diff --git a/docs/about/features.rst b/docs/about/features.rst
index c12509d..9b7bdf9 100644
--- a/docs/about/features.rst
+++ b/docs/about/features.rst
@@ -128,7 +128,7 @@
 in a platform:
 
 -  MPU translation library ``lib/xlat_mpu``
--  RSS comms driver ``drivers/arm/rss``
+-  RSE comms driver ``drivers/arm/rse``
 
 Still to come
 -------------
diff --git a/docs/about/maintainers.rst b/docs/about/maintainers.rst
index 6d34339..0fade3e 100644
--- a/docs/about/maintainers.rst
+++ b/docs/about/maintainers.rst
@@ -337,12 +337,12 @@
 :|F|: include/drivers/arm/mhu.h
 :|F|: drivers/arm/mhu
 
-Runtime Security Subsystem (RSS) comms driver
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Runtime Security Engine (RSE) comms driver
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 :|M|: David Vincze <david.vincze@arm.com>
 :|G|: `davidvincze`_
-:|F|: include/drivers/arm/rss_comms.h
-:|F|: drivers/arm/rss
+:|F|: include/drivers/arm/rse_comms.h
+:|F|: drivers/arm/rse
 
 Libfdt wrappers
 ^^^^^^^^^^^^^^^
diff --git a/docs/design_documents/index.rst b/docs/design_documents/index.rst
index ecc68b2..ac982e0 100644
--- a/docs/design_documents/index.rst
+++ b/docs/design_documents/index.rst
@@ -9,7 +9,7 @@
    context_mgmt_rework
    measured_boot_poc
    drtm_poc
-   rss
+   rse
    psci_osi_mode
    measured_boot
 
diff --git a/docs/design_documents/measured_boot.rst b/docs/design_documents/measured_boot.rst
index 8a2ab2d..9dfe494 100644
--- a/docs/design_documents/measured_boot.rst
+++ b/docs/design_documents/measured_boot.rst
@@ -91,10 +91,10 @@
    and the variable length crypto agile structure called TCG_PCR_EVENT2. Event
    Log driver implemented in TF-A covers later part.
 
-#. RSS
+#. RSE
 
    It is one of physical backend to extend the measurements. Please refer this
-   document :ref:`Runtime Security Subsystem (RSS)` for more details.
+   document :ref:`Runtime Security Engine (RSE)` for more details.
 
 Platform Interface
 ------------------
@@ -121,7 +121,7 @@
       void bl2_plat_mboot_init(void);
 
    Initialise all Measured Boot backends supported by the platform
-   (e.g. Event Log buffer, RSS). As these functions do not return any value,
+   (e.g. Event Log buffer, RSE). As these functions do not return any value,
    the platform should deal with error management, such as logging the error
    somewhere, or panicking the system if this is considered a fatal error.
 
@@ -147,7 +147,7 @@
 
      - If it is Event Log backend, then record the measurement in TCG Event Log
        format.
-     - If it is a secure crypto-processor (like RSS), then extend the designated
+     - If it is a secure crypto-processor (like RSE), then extend the designated
        PCR (or slot) with the given measurement.
    - This function must return 0 on success, a signed integer error code
      otherwise.
@@ -223,7 +223,7 @@
    - This function must return 0 on success, a signed integer error code
      otherwise.
    - In TC2 platform, this function is used to calculate the hash of the given
-     key and forward this hash to RSS alongside the measurement of the image
+     key and forward this hash to RSE alongside the measurement of the image
      which the key signs.
 
 --------------
diff --git a/docs/design_documents/rse.rst b/docs/design_documents/rse.rst
index 18d5436..7296a45 100644
--- a/docs/design_documents/rse.rst
+++ b/docs/design_documents/rse.rst
@@ -1,45 +1,45 @@
-Runtime Security Subsystem (RSS)
-================================
+Runtime Security Engine (RSE)
+=============================
 
-This document focuses on the relationship between the Runtime Security Subsystem
-(RSS) and the application processor (AP). According to the ARM reference design
-the RSS is an independent core next to the AP and the SCP on the same die. It
+This document focuses on the relationship between the Runtime Security Engine
+(RSE) and the application processor (AP). According to the ARM reference design
+the RSE is an independent core next to the AP and the SCP on the same die. It
 provides fundamental security guarantees and runtime services for the rest of
 the system (e.g.: trusted boot, measured boot, platform attestation,
 key management, and key derivation).
 
-At power up RSS boots first from its private ROM code. It validates and loads
+At power up RSE boots first from its private ROM code. It validates and loads
 its own images and the initial images of SCP and AP. When AP and SCP are
 released from reset and their initial code is loaded then they continue their
-own boot process, which is the same as on non-RSS systems. Please refer to the
-``RSS documentation`` [1]_ for more details about the RSS boot flow.
+own boot process, which is the same as on non-RSE systems. Please refer to the
+``RSE documentation`` [1]_ for more details about the RSE boot flow.
 
-The last stage of the RSS firmware is a persistent, runtime component. Much
+The last stage of the RSE firmware is a persistent, runtime component. Much
 like AP_BL31, this is a passive entity which has no periodical task to do and
-just waits for external requests from other subsystems. RSS and other
-subsystems can communicate with each other over message exchange. RSS waits
+just waits for external requests from other subsystems. RSE and other
+subsystems can communicate with each other over message exchange. RSE waits
 in idle for the incoming request, handles them, and sends a response then goes
 back to idle.
 
-RSS communication layer
+RSE communication layer
 -----------------------
 
-The communication between RSS and other subsystems are primarily relying on the
-Message Handling Unit (MHU) module. The number of MHU interfaces between RSS
+The communication between RSE and other subsystems are primarily relying on the
+Message Handling Unit (MHU) module. The number of MHU interfaces between RSE
 and other cores is IMPDEF. Besides MHU other modules also could take part in
-the communication. RSS is capable of mapping the AP memory to its address space.
-Thereby either RSS core itself or a DMA engine if it is present, can move the
-data between memory belonging to RSS or AP. In this way, a bigger amount of data
+the communication. RSE is capable of mapping the AP memory to its address space.
+Thereby either RSE core itself or a DMA engine if it is present, can move the
+data between memory belonging to RSE or AP. In this way, a bigger amount of data
 can be transferred in a short time.
 
 The MHU comes in pairs. There is a sender and receiver side. They are connected
 to each other. An MHU interface consists of two pairs of MHUs, one sender and
 one receiver on both sides. Bidirectional communication is possible over an
-interface. One pair provides message sending from AP to RSS and the other pair
-from RSS to AP. The sender and receiver are connected via channels. There is an
+interface. One pair provides message sending from AP to RSE and the other pair
+from RSE to AP. The sender and receiver are connected via channels. There is an
 IMPDEF number of channels (e.g: 4-16) between a sender and a receiver module.
 
-The RSS communication layer provides two ways for message exchange:
+The RSE communication layer provides two ways for message exchange:
 
 - ``Embedded messaging``: The full message, including header and payload, are
   exchanged over the MHU channels. A channel is capable of delivering a single
@@ -55,16 +55,16 @@
 - ``Pointer-access messaging``: The message header and the payload are
   separated and they are conveyed in different ways. The header is sent
   over the channels, similar to the embedded messaging but the payload is
-  copied over by RSS core (or by DMA) between the sender and the receiver. This
+  copied over by RSE core (or by DMA) between the sender and the receiver. This
   could be useful in the case of long messages because transaction time is less
-  compared to the embedded messaging mode. Small payloads are copied by the RSS
+  compared to the embedded messaging mode. Small payloads are copied by the RSE
   core because setting up DMA would require more CPU cycles. The payload is
-  either copied into an internal buffer or directly read-written by RSS. Actual
-  behavior depends on RSS setup, whether the partition supports memory-mapped
+  either copied into an internal buffer or directly read-written by RSE. Actual
+  behavior depends on RSE setup, whether the partition supports memory-mapped
   ``iovec``. Therefore, the sender must handle both cases and prevent access to
-  the memory, where payload data lives, while the RSS handles the request.
+  the memory, where payload data lives, while the RSE handles the request.
 
-The RSS communication layer supports both ways of messaging in parallel. It is
+The RSE communication layer supports both ways of messaging in parallel. It is
 decided at runtime based on the message size which way to transfer the message.
 
 .. code-block:: bash
@@ -93,25 +93,25 @@
              V                           |            | |      V           V
     +----------------------------------------------+  | |  +-------------------+
     |                                              |--+-+  |                   |
-    |                  RSS                         |       |      SRAM         |
+    |                  RSE                         |       |      SRAM         |
     |                                              |       |                   |
     +----------------------------------------------+       +-------------------+
 
 .. Note::
 
-    The RSS communication layer is not prepared for concurrent execution. The
+    The RSE communication layer is not prepared for concurrent execution. The
     current use case only requires message exchange during the boot phase. In
     the boot phase, only a single core is running and the rest of the cores are
     in reset.
 
 Message structure
 ^^^^^^^^^^^^^^^^^
-A description of the message format can be found in the ``RSS communication
+A description of the message format can be found in the ``RSE communication
 design`` [2]_ document.
 
 Source files
 ^^^^^^^^^^^^
-- RSS comms:  ``drivers/arm/rss``
+- RSE comms:  ``drivers/arm/rse``
 - MHU driver: ``drivers/arm/mhu``
 
 
@@ -119,29 +119,29 @@
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 The API is defined in these header files:
 
-- ``include/drivers/arm/rss_comms.h``
+- ``include/drivers/arm/rse_comms.h``
 - ``include/drivers/arm/mhu.h``
 
-RSS provided runtime services
+RSE provided runtime services
 -----------------------------
 
-RSS provides the following runtime services:
+RSE provides the following runtime services:
 
 - ``Measured boot``: Securely store the firmware measurements which were
   computed during the boot process and the associated metadata (image
   description, measurement algorithm, etc.). More info on measured boot service
-  in RSS can be found in the ``measured_boot_integration_guide`` [3]_ .
+  in RSE can be found in the ``measured_boot_integration_guide`` [3]_ .
 - ``Delegated attestation``: Query the platform attestation token and derive a
   delegated attestation key. More info on the delegated attestation service
-  in RSS can be found in the ``delegated_attestation_integration_guide`` [4]_ .
+  in RSE can be found in the ``delegated_attestation_integration_guide`` [4]_ .
 - ``OTP assets management``: Public keys used by AP during the trusted boot
-  process can be requested from RSS. Furthermore, AP can request RSS to
+  process can be requested from RSE. Furthermore, AP can request RSE to
   increase a non-volatile counter. Please refer to the
-  ``RSS key management`` [5]_ document for more details.
+  ``RSE key management`` [5]_ document for more details.
 
 Runtime service API
 ^^^^^^^^^^^^^^^^^^^
-The RSS provided runtime services implement a PSA aligned API. The parameter
+The RSE provided runtime services implement a PSA aligned API. The parameter
 encoding follows the PSA client protocol described in the
 ``Firmware Framework for M`` [6]_ document in chapter 4.4. The implementation is
 restricted to the static handle use case therefore only the ``psa_call`` API is
@@ -168,7 +168,7 @@
          |                               |
          V                               V
     +------------------------------------------------+
-    |         RSS communication protocol             |
+    |         RSE communication protocol             |
     +------------------------------------------------+
          |                     ^
          | mhu_send_data()     | mhu_receive_data()
@@ -188,7 +188,7 @@
                          |
                          V
     +------------------------------------------------+
-    |             MHU HW on RSS side                 |
+    |             MHU HW on RSE side                 |
     +------------------------------------------------+
              |                        ^
              | IRQ                    | Register access
@@ -204,17 +204,17 @@
     +---------------+       +------------------------+
 
 
-RSS based Measured Boot
+RSE based Measured Boot
 -----------------------
 
 Measured Boot is the process of cryptographically measuring (computing the hash
 value of a binary) the code and critical data used at boot time. The
 measurement must be stored in a tamper-resistant way, so the security state
-of the device can be attested later to an external party. RSS provides a runtime
+of the device can be attested later to an external party. RSE provides a runtime
 service which is meant to store measurements and associated metadata alongside.
 
 Data is stored in internal SRAM which is only accessible by the secure runtime
-firmware of RSS. Data is stored in so-called measurement slots. A platform has
+firmware of RSE. Data is stored in so-called measurement slots. A platform has
 IMPDEF number of measurement slots. The measurement storage follows extend
 semantics. This means that measurements are not stored directly (as it was
 taken) instead they contribute to the current value of the measurement slot.
@@ -236,7 +236,7 @@
 .. code-block:: c
 
     psa_status_t
-    rss_measured_boot_extend_measurement(uint8_t        index,
+    rse_measured_boot_extend_measurement(uint8_t        index,
                                          const uint8_t *signer_id,
                                          size_t         signer_id_size,
                                          const uint8_t *version,
@@ -291,27 +291,27 @@
 .. Note::
 
     Extending multiple measurements in the same slot leads to some metadata
-    information loss. Since RSS is not constrained on special HW resources to
+    information loss. Since RSE is not constrained on special HW resources to
     store the measurements and metadata, therefore it is worth considering to
     store all of them one by one in distinct slots. However, they are one-by-one
     included in the platform attestation token. So, the number of distinct
     firmware image measurements has an impact on the size of the attestation
     token.
 
-The allocation of the measurement slot among RSS, Root and Realm worlds is
+The allocation of the measurement slot among RSE, Root and Realm worlds is
 platform dependent. The platform must provide an allocation of the measurement
 slot at build time. An example can be found in
 ``tf-a/plat/arm/board/tc/tc_bl1_measured_boot.c``
 Furthermore, the memory, which holds the metadata is also statically allocated
-in RSS memory. Some of the fields have a static value (measurement algorithm),
+in RSE memory. Some of the fields have a static value (measurement algorithm),
 and some of the values have a dynamic value (measurement value) which is updated
 by the bootloaders when the firmware image is loaded and measured. The metadata
 structure is defined in
-``include/drivers/measured_boot/rss/rss_measured_boot.h``.
+``include/drivers/measured_boot/rse/rse_measured_boot.h``.
 
 .. code-block:: c
 
-    struct rss_mboot_metadata {
+    struct rse_mboot_metadata {
             unsigned int id;
             uint8_t slot;
             uint8_t signer_id[SIGNER_ID_MAX_SIZE];
@@ -328,24 +328,24 @@
 ^^^^^^^^^^^^^
 
 This function calculates the hash of a public key (signer-ID) using the
-``Measurement algorithm`` and stores it in the ``rss_mboot_metadata`` field
+``Measurement algorithm`` and stores it in the ``rse_mboot_metadata`` field
 named ``signer_id``.
 Prior to calling this function, the caller must ensure that the ``signer_id``
 field points to the zero-filled buffer.
 
 Defined here:
 
-- ``include/drivers/measured_boot/rss/rss_measured_boot.h``
+- ``include/drivers/measured_boot/rse/rse_measured_boot.h``
 
 .. code-block:: c
 
-   int rss_mboot_set_signer_id(struct rss_mboot_metadata *metadata_ptr,
+   int rse_mboot_set_signer_id(struct rse_mboot_metadata *metadata_ptr,
                                const void *pk_oid,
                                const void *pk_ptr,
                                size_t pk_len)
 
 
-- First parameter is the pointer to the ``rss_mboot_metadata`` structure.
+- First parameter is the pointer to the ``rse_mboot_metadata`` structure.
 - Second parameter is the pointer to the key-OID of the public key.
 - Third parameter is the pointer to the public key buffer.
 - Fourth parameter is the size of public key buffer.
@@ -356,15 +356,15 @@
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 - ``MEASURED_BOOT``: Enable measured boot. It depends on the platform
-  implementation whether RSS or TPM (or both) backend based measured boot is
+  implementation whether RSE or TPM (or both) backend based measured boot is
   enabled.
-- ``MBOOT_RSS_HASH_ALG``: Determine the hash algorithm to measure the images.
+- ``MBOOT_RSE_HASH_ALG``: Determine the hash algorithm to measure the images.
   The default value is sha-256.
 
 Measured boot flow
 ^^^^^^^^^^^^^^^^^^
 
-.. figure:: ../resources/diagrams/rss_measured_boot_flow.svg
+.. figure:: ../resources/diagrams/rse_measured_boot_flow.svg
   :align: center
 
 Sample console log
@@ -425,15 +425,15 @@
 the ``Delegated Attestation Service Integration Guide`` [4]_ document.
 
 In the CCA use case, the Realm Management Monitor (RMM) relies on the delegated
-attestation service of the RSS to get a realm attestation key and the CCA
+attestation service of the RSE to get a realm attestation key and the CCA
 platform token. BL31 does not use the service for its own purpose, only calls
-it on behalf of RMM. The access to MHU interface and thereby to RSS is
+it on behalf of RMM. The access to MHU interface and thereby to RSE is
 restricted to BL31 only. Therefore, RMM does not have direct access, all calls
 need to go through BL31. The RMM dispatcher module of the BL31 is responsible
 for delivering the calls between the two parties.
 
 .. Note::
-     Currently the connection between the RMM dispatcher and the PSA/RSS layer
+     Currently the connection between the RMM dispatcher and the PSA/RSE layer
      is not yet implemented. RMM dispatcher just returns hard coded data.
 
 Delegated Attestation API
@@ -445,7 +445,7 @@
 .. code-block:: c
 
     psa_status_t
-    rss_delegated_attest_get_delegated_key(uint8_t   ecc_curve,
+    rse_delegated_attest_get_delegated_key(uint8_t   ecc_curve,
                                            uint32_t  key_bits,
                                            uint8_t  *key_buf,
                                            size_t    key_buf_size,
@@ -453,7 +453,7 @@
                                            uint32_t  hash_algo);
 
     psa_status_t
-    rss_delegated_attest_get_token(const uint8_t *dak_pub_hash,
+    rse_delegated_attest_get_token(const uint8_t *dak_pub_hash,
                                    size_t         dak_pub_hash_size,
                                    uint8_t       *token_buf,
                                    size_t         token_buf_size,
@@ -462,7 +462,7 @@
 Attestation flow
 ^^^^^^^^^^^^^^^^
 
-.. figure:: ../resources/diagrams/rss_attestation_flow.svg
+.. figure:: ../resources/diagrams/rse_attestation_flow.svg
   :align: center
 
 Sample attestation token
@@ -623,27 +623,27 @@
         "CCA_PLATFORM_VERIFICATION_SERVICE": "www.trustedfirmware.org"
     }
 
-RSS OTP Assets Management
+RSE OTP Assets Management
 -------------------------
 
-RSS provides access for AP to assets in OTP, which include keys for image
+RSE provides access for AP to assets in OTP, which include keys for image
 signature verification and non-volatile counters for anti-rollback protection.
 
 Non-Volatile Counter API
 ^^^^^^^^^^^^^^^^^^^^^^^^
 
-AP/RSS interface for retrieving and incrementing non-volatile counters API is
+AP/RSE interface for retrieving and incrementing non-volatile counters API is
 as follows.
 
 Defined here:
 
-- ``include/lib/psa/rss_platform_api.h``
+- ``include/lib/psa/rse_platform_api.h``
 
 .. code-block:: c
 
-    psa_status_t rss_platform_nv_counter_increment(uint32_t counter_id)
+    psa_status_t rse_platform_nv_counter_increment(uint32_t counter_id)
 
-    psa_status_t rss_platform_nv_counter_read(uint32_t counter_id,
+    psa_status_t rse_platform_nv_counter_read(uint32_t counter_id,
             uint32_t size, uint8_t *val)
 
 Through this service, we can read/increment any of the 3 non-volatile
@@ -656,15 +656,15 @@
 Public Key API
 ^^^^^^^^^^^^^^
 
-AP/RSS interface for reading the ROTPK is as follows.
+AP/RSE interface for reading the ROTPK is as follows.
 
 Defined here:
 
-- ``include/lib/psa/rss_platform_api.h``
+- ``include/lib/psa/rse_platform_api.h``
 
 .. code-block:: c
 
-    psa_status_t rss_platform_key_read(enum rss_key_id_builtin_t key,
+    psa_status_t rse_platform_key_read(enum rse_key_id_builtin_t key,
             uint8_t *data, size_t data_size, size_t *data_length)
 
 Through this service, we can read any of the 3 ROTPKs used on an
@@ -677,11 +677,11 @@
 References
 ----------
 
-.. [1] https://tf-m-user-guide.trustedfirmware.org/platform/arm/rss/readme.html
-.. [2] https://tf-m-user-guide.trustedfirmware.org/platform/arm/rss/rss_comms.html
+.. [1] https://tf-m-user-guide.trustedfirmware.org/platform/arm/rse/readme.html
+.. [2] https://tf-m-user-guide.trustedfirmware.org/platform/arm/rse/rse_comms.html
 .. [3] https://git.trustedfirmware.org/TF-M/tf-m-extras.git/tree/partitions/measured_boot/measured_boot_integration_guide.rst
 .. [4] https://git.trustedfirmware.org/TF-M/tf-m-extras.git/tree/partitions/delegated_attestation/delegated_attest_integration_guide.rst
-.. [5] https://tf-m-user-guide.trustedfirmware.org/platform/arm/rss/rss_key_management.html
+.. [5] https://tf-m-user-guide.trustedfirmware.org/platform/arm/rse/rse_key_management.html
 .. [6] https://developer.arm.com/-/media/Files/pdf/PlatformSecurityArchitecture/Architect/DEN0063-PSA_Firmware_Framework-1.0.0-2.pdf?revision=2d1429fa-4b5b-461a-a60e-4ef3d8f7f4b4&hash=3BFD6F3E687F324672F18E5BE9F08EDC48087C93
 .. [7] https://developer.arm.com/documentation/DEN0096/A_a/?lang=en
 
diff --git a/docs/porting-guide.rst b/docs/porting-guide.rst
index 7c66d11..fdd4340 100644
--- a/docs/porting-guide.rst
+++ b/docs/porting-guide.rst
@@ -256,10 +256,10 @@
 
    Defines the maximum address in secure RAM that the BL31 image can occupy.
 
--  **#define : PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE**
+-  **#define : PLAT_RSE_COMMS_PAYLOAD_MAX_SIZE**
 
-   Defines the maximum message size between AP and RSS. Need to define if
-   platform supports RSS.
+   Defines the maximum message size between AP and RSE. Need to define if
+   platform supports RSE.
 
 For every image, the platform must define individual identifiers that will be
 used by BL1 or BL2 to load the corresponding image into memory from non-volatile
diff --git a/docs/resources/diagrams/plantuml/rse_attestation_flow.puml b/docs/resources/diagrams/plantuml/rse_attestation_flow.puml
index aca5c01..9d7d780 100644
--- a/docs/resources/diagrams/plantuml/rse_attestation_flow.puml
+++ b/docs/resources/diagrams/plantuml/rse_attestation_flow.puml
@@ -5,7 +5,7 @@
 participant RMM
 participant BL31
 endbox
-box RSS
+box RSE
 participant DelegAttest
 participant InitAttest
 participant MeasuredBoot
diff --git a/docs/resources/diagrams/plantuml/rse_measured_boot_flow.puml b/docs/resources/diagrams/plantuml/rse_measured_boot_flow.puml
index 1aeb1a9..97af562 100644
--- a/docs/resources/diagrams/plantuml/rse_measured_boot_flow.puml
+++ b/docs/resources/diagrams/plantuml/rse_measured_boot_flow.puml
@@ -1,11 +1,11 @@
 @startuml
 skinparam ParticipantPadding 10
 skinparam BoxPadding 10
-box RSS
-participant RSS_BL1_1
-participant RSS_BL1_2
-participant RSS_BL2
-participant RSS_S
+box RSE
+participant RSE_BL1_1
+participant RSE_BL1_2
+participant RSE_BL2
+participant RSE_S
 endbox
 box SCP
 participant SCP_BL1
@@ -16,64 +16,64 @@
 participant AP_BL31
 endbox
 
-== RSS Boot phase ==
--> RSS_BL1_1: Reset
-Rnote over RSS_BL1_1: ROM code, XIP
-Rnote over RSS_BL1_2: OTP code, XIP
-Rnote over RSS_BL2, AP_BL31: Stored in flash, loaded and executed in RAM
-activate RSS_BL1_1 #Green
-RSS_BL1_1 -->> RSS_BL1_2: Validate, measure
-Rnote over RSS_BL1_1: BL1_2 measurement\n\ saved to a shared buffer
-RSS_BL1_1 -> RSS_BL1_2: Pass execution
-deactivate RSS_BL1_1
-activate RSS_BL1_2 #Green
-RSS_BL1_2 -->> RSS_BL2: Validate, measure, load
-Rnote over RSS_BL1_2: RSS_BL2 measurement\n\ saved to a shared buffer
-RSS_BL1_2 -> RSS_BL2: Pass execution
-deactivate RSS_BL1_2
-activate RSS_BL2 #Green
-RSS_BL2 -->> RSS_S: Validate, measure, load
-RSS_BL2 -->> SCP_BL1: Validate, measure, load
-Rnote over RSS_BL2: RSS_S and SCP_BL1\n\ measurements saved\n\ to a shared buffer
-RSS_BL2 -> SCP_BL1: Release from reset
+== RSE Boot phase ==
+-> RSE_BL1_1: Reset
+Rnote over RSE_BL1_1: ROM code, XIP
+Rnote over RSE_BL1_2: OTP code, XIP
+Rnote over RSE_BL2, AP_BL31: Stored in flash, loaded and executed in RAM
+activate RSE_BL1_1 #Green
+RSE_BL1_1 -->> RSE_BL1_2: Validate, measure
+Rnote over RSE_BL1_1: BL1_2 measurement\n\ saved to a shared buffer
+RSE_BL1_1 -> RSE_BL1_2: Pass execution
+deactivate RSE_BL1_1
+activate RSE_BL1_2 #Green
+RSE_BL1_2 -->> RSE_BL2: Validate, measure, load
+Rnote over RSE_BL1_2: RSE_BL2 measurement\n\ saved to a shared buffer
+RSE_BL1_2 -> RSE_BL2: Pass execution
+deactivate RSE_BL1_2
+activate RSE_BL2 #Green
+RSE_BL2 -->> RSE_S: Validate, measure, load
+RSE_BL2 -->> SCP_BL1: Validate, measure, load
+Rnote over RSE_BL2: RSE_S and SCP_BL1\n\ measurements saved\n\ to a shared buffer
+RSE_BL2 -> SCP_BL1: Release from reset
 activate SCP_BL1 #Green
-Rnote over RSS_BL2, SCP_BL1: MHU init between RSS and SCP
+Rnote over RSE_BL2, SCP_BL1: MHU init between RSE and SCP
 Rnote over SCP_BL1: Configure memory
-Rnote over RSS_BL2: Waits for SCP
-SCP_BL1 --> RSS_BL2: Done
-RSS_BL2 -->> AP_BL1: Validate, measure, load
-Rnote over RSS_BL2: AP_BL1 measurement\n\ saved to a shared buffer
-RSS_BL2 -> AP_BL1: Release from reset
+Rnote over RSE_BL2: Waits for SCP
+SCP_BL1 --> RSE_BL2: Done
+RSE_BL2 -->> AP_BL1: Validate, measure, load
+Rnote over RSE_BL2: AP_BL1 measurement\n\ saved to a shared buffer
+RSE_BL2 -> AP_BL1: Release from reset
 activate AP_BL1 #Green
-RSS_BL2 -> RSS_S: Pass execution
-deactivate RSS_BL2
-activate RSS_S #Green
-Rnote over RSS_S: Measurements read from\n\ shared buffer and saved by\n\
+RSE_BL2 -> RSE_S: Pass execution
+deactivate RSE_BL2
+activate RSE_S #Green
+Rnote over RSE_S: Measurements read from\n\ shared buffer and saved by\n\
 Measured Boot service to\n\ measurement slots.
 
-== RSS Runtime / AP Boot phase ==
-Rnote over RSS_S, AP_BL1: MHU init between RSS and AP
+== RSE Runtime / AP Boot phase ==
+Rnote over RSE_S, AP_BL1: MHU init between RSE and AP
 Rnote over AP_BL1: Measure and load:\n\ FW_CONFIG\n\ TB_FW_CONFIG
-AP_BL1 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL1 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 AP_BL1 -->> AP_BL2: Validate, measure,load
-AP_BL1 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL1 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 AP_BL1 -> AP_BL2: Pass execution
 deactivate AP_BL1
 activate AP_BL2 #Green
 Rnote over AP_BL2: Measure and load:\n\ HW_CONFIG
-AP_BL2 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL2 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 AP_BL2 -->> AP_BL31: Validate, measure,load
 Rnote over AP_BL2: Measure and load:\n\ BL31
-AP_BL2 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL2 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 Rnote over AP_BL2: Measure and load:\n\ RMM
-AP_BL2 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL2 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 AP_BL2 -> AP_BL31: Pass execution
 deactivate AP_BL2
 activate AP_BL31 #Green
-== RSS / AP Runtime ==
+== RSE / AP Runtime ==
 @enduml
diff --git a/docs/resources/diagrams/plantuml/tfa_rse_dfd.puml b/docs/resources/diagrams/plantuml/tfa_rse_dfd.puml
index a7e0ce5..68a80bf 100644
--- a/docs/resources/diagrams/plantuml/tfa_rse_dfd.puml
+++ b/docs/resources/diagrams/plantuml/tfa_rse_dfd.puml
@@ -5,7 +5,7 @@
  '/
 
 /'
-TF-A Data Flow Diagram including RSS
+TF-A Data Flow Diagram including RSE
 '/
 
 @startuml
@@ -54,12 +54,12 @@
             bl31 [label="TF-A Runtime\n(BL31)" fillcolor="#ddffb3"]
         }
 
-        # RSS cluster
-        subgraph cluster_rss{
-            label ="RSS";
+        # RSE cluster
+        subgraph cluster_rse{
+            label ="RSE";
             graph [style=filled color="#000000" fillcolor="#faf9cd"]
 
-            rss [label="Runtime Security\n\ Subsystem\n\ (RSS)" fillcolor="#ddffb3"]
+            rse [label="Runtime Security\n\ Subsystem\n\ (RSE)" fillcolor="#ddffb3"]
         }
     }
 
@@ -70,7 +70,7 @@
     sec -> bl2 [dir="both" lhead=cluster_tfa label="DF4"]
     nsec -> bl1 [dir="both" lhead=cluster_tfa, label="DF5"]
     bl2 ->  tzc [dir="both" ltail=cluster_tfa lhead=cluster_ip label="DF6" minlen=1]
-    bl31 -> rss [dir="both" ltail=cluster_tfa lhead=cluster_rss label="DF7" minlen=1]
+    bl31 -> rse [dir="both" ltail=cluster_tfa lhead=cluster_rse label="DF7" minlen=1]
 
 }
 
diff --git a/docs/resources/diagrams/rse_attestation_flow.svg b/docs/resources/diagrams/rse_attestation_flow.svg
index 3728c6f..7257576 100644
--- a/docs/resources/diagrams/rse_attestation_flow.svg
+++ b/docs/resources/diagrams/rse_attestation_flow.svg
@@ -1,4 +1,4 @@
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style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="266.5" x2="266.5" y1="56.4297" y2="1046.875"/><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="426" x2="426" y1="56.4297" y2="1046.875"/><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="553.5" x2="553.5" y1="56.4297" y2="1046.875"/><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="705" x2="705" y1="56.4297" y2="1046.875"/><line style="stroke:#181818;stroke-width:0.5;stroke-dasharray:5.0,5.0;" x1="822" x2="822" y1="56.4297" y2="1046.875"/><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="48" x="58" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="34" x="65" y="45.1279">RMM</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="48" x="58" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="34" x="65" y="1065.8701">RMM</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="49" x="242.5" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="35" x="249.5" y="45.1279">BL31</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="49" x="242.5" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="35" x="249.5" y="1065.8701">BL31</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="96" x="378" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="82" x="385" y="45.1279">DelegAttest</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="96" x="378" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="82" x="385" y="1065.8701">DelegAttest</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="75" x="516.5" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="61" x="523.5" y="45.1279">InitAttest</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="75" x="516.5" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="61" x="523.5" y="1065.8701">InitAttest</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="116" x="647" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="102" x="654" y="45.1279">MeasuredBoot</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="116" x="647" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="102" x="654" y="1065.8701">MeasuredBoot</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="59" x="793" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="45" x="800" y="45.1279">Crypto</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="59" x="793" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="45" x="800" y="1065.8701">Crypto</text><rect fill="#EEEEEE" height="3" style="stroke:#EEEEEE;stroke-width:1.0;" width="893" x="0" y="86.9961"/><line style="stroke:#000000;stroke-width:1.0;" x1="0" x2="893" y1="86.9961" y2="86.9961"/><line style="stroke:#000000;stroke-width:1.0;" x1="0" x2="893" y1="89.9961" y2="89.9961"/><rect fill="#EEEEEE" height="23.1328" style="stroke:#000000;stroke-width:2.0;" width="144" x="374.5" y="76.4297"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="125" x="380.5" y="92.4966">RMM Boot phase</text><polygon fill="#181818" points="255,141.8281,265,145.8281,255,149.8281,259,145.8281" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="82" x2="261" y1="145.8281" y2="145.8281"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="99" x="89" y="125.6294">get_realm_key(</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="74" x="121" y="140.7622">hash_algo</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="25" x="195" y="140.7622">, ...)</text><polygon fill="#181818" points="414,170.9609,424,174.9609,414,178.9609,418,174.9609" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="267" x2="420" y1="174.9609" y2="174.9609"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="121" x="274" y="169.895">get_delegated_key</text><polygon fill="#181818" points="693,200.0938,703,204.0938,693,208.0938,697,204.0938" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="426" x2="699" y1="204.0938" y2="204.0938"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="127" x="433" y="199.0278">read_measurement</text><rect fill="#FEFFDD" height="53" style="stroke:#181818;stroke-width:0.5;" width="167" x="342" y="217.0938"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="95" x="346" y="233.1606">Compute input</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="110" x="346" y="248.2935">for key derivation</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="159" x="346" y="263.4263">(hash of measurements)</text><polygon fill="#181818" points="810.5,292.625,820.5,296.625,810.5,300.625,814.5,296.625" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="426" x2="816.5" y1="296.625" y2="296.625"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="68" x="433" y="291.5591">derive_key</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="150" x="351" y="309.625"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="126" x="355" y="325.6919">Compute public key</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="60" x="355" y="340.8247">hash with</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="74" x="419" y="340.8247">hash_algo</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="4" x="493" y="340.8247">.</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="132" x="756" y="357.8906"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="124" x="760" y="373.9575">Seed is provisioned</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="88" x="760" y="389.0903">in the factory.</text><polygon fill="#181818" points="278,418.2891,268,422.2891,278,426.2891,274,422.2891" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="272" x2="425" y1="422.2891" y2="422.2891"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="121" x="284" y="417.2231">get_delegated_key</text><polygon fill="#181818" points="93,447.4219,83,451.4219,93,455.4219,89,451.4219" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="87" x2="266" y1="451.4219" y2="451.4219"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="94" x="99" y="446.356">get_realm_key</text><rect fill="#FEFFDD" height="129" style="stroke:#181818;stroke-width:0.5;" width="154" x="5" y="464.4219"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="102" x="9" y="480.4888">Only private key</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="114" x="9" y="495.6216">is returned. Public</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="104" x="9" y="510.7544">key and its hash</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="126" x="9" y="525.8872">must be computed.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="134" x="9" y="541.02">Public key is included</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="121" x="9" y="556.1528">in the realm token.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="125" x="9" y="571.2856">Its hash is the input</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="146" x="9" y="586.4185">for get_platform_token</text><polygon fill="#181818" points="255,630.75,265,634.75,255,638.75,259,634.75" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="82" x2="261" y1="634.75" y2="634.75"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="130" x="89" y="614.5513">get_platform_token(</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="104" x="121" y="629.6841">pub_key_hash</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="25" x="225" y="629.6841">, ...)</text><polygon fill="#181818" points="414,659.8828,424,663.8828,414,667.8828,418,663.8828" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="267" x2="420" y1="663.8828" y2="663.8828"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="135" x="274" y="658.8169">get_delegated_token</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="155" x="348" y="676.8828"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="39" x="352" y="692.9497">Check</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="104" x="395" y="692.9497">pub_key_hash</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="128" x="352" y="708.0825">against derived key.</text><polygon fill="#181818" points="542,737.2813,552,741.2813,542,745.2813,546,741.2813" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="426" x2="548" y1="741.2813" y2="741.2813"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="104" x="433" y="736.2153">get_initial_token</text><rect fill="#FEFFDD" height="53" style="stroke:#181818;stroke-width:0.5;" width="181" x="463" y="754.2813"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="168" x="467" y="770.3481">Create the token including</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="21" x="467" y="785.481">the</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="104" x="492" y="785.481">pub_key_hash</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="40" x="600" y="785.481">as the</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="99" x="467" y="800.6138">challenge claim</text><polygon fill="#181818" points="693,829.8125,703,833.8125,693,837.8125,697,833.8125" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="554" x2="699" y1="833.8125" y2="833.8125"/><text fill="#000000" font-family="sans-serif" font-size="13" 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style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="272" x2="425" y1="921.2109" y2="921.2109"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="135" x="284" y="916.145">get_delegated_token</text><polygon fill="#181818" points="93,946.3438,83,950.3438,93,954.3438,89,950.3438" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="87" x2="266" y1="950.3438" y2="950.3438"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="125" x="99" y="945.2778">get_platform_token</text><rect fill="#FEFFDD" height="68" style="stroke:#181818;stroke-width:0.5;" width="116" x="24" y="963.3438"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="108" x="28" y="979.4106">Platform token is</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="101" x="28" y="994.5435">cached. It is not</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="98" x="28" y="1009.6763">changing within</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="90" x="28" y="1024.8091">a power cycle.</text><!--MD5=[84fabec568a656165bea957fac178b53]
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font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="34" x="65" y="1065.8701">RMM</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="49" x="242.5" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="35" x="249.5" y="45.1279">BL31</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="49" x="242.5" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="35" x="249.5" y="1065.8701">BL31</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="96" x="378" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="82" x="385" y="45.1279">DelegAttest</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="96" x="378" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="82" x="385" y="1065.8701">DelegAttest</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="75" x="516.5" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="61" x="523.5" y="45.1279">InitAttest</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="75" x="516.5" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="61" x="523.5" y="1065.8701">InitAttest</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="116" x="647" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="102" x="654" y="45.1279">MeasuredBoot</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="116" x="647" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="102" x="654" y="1065.8701">MeasuredBoot</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="59" x="793" y="25.1328"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="45" x="800" y="45.1279">Crypto</text><rect fill="#E2E2F0" height="30.2969" rx="2.5" ry="2.5" style="stroke:#181818;stroke-width:0.5;" width="59" x="793" y="1045.875"/><text fill="#000000" font-family="sans-serif" font-size="14" lengthAdjust="spacing" textLength="45" x="800" y="1065.8701">Crypto</text><rect fill="#EEEEEE" height="3" style="stroke:#EEEEEE;stroke-width:1.0;" width="893" x="0" y="86.9961"/><line style="stroke:#000000;stroke-width:1.0;" x1="0" x2="893" y1="86.9961" y2="86.9961"/><line style="stroke:#000000;stroke-width:1.0;" x1="0" x2="893" y1="89.9961" y2="89.9961"/><rect fill="#EEEEEE" height="23.1328" style="stroke:#000000;stroke-width:2.0;" width="144" x="374.5" y="76.4297"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="125" x="380.5" y="92.4966">RMM Boot phase</text><polygon fill="#181818" points="255,141.8281,265,145.8281,255,149.8281,259,145.8281" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="82" x2="261" y1="145.8281" y2="145.8281"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="99" x="89" y="125.6294">get_realm_key(</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="74" x="121" y="140.7622">hash_algo</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="25" x="195" y="140.7622">, ...)</text><polygon fill="#181818" points="414,170.9609,424,174.9609,414,178.9609,418,174.9609" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="267" x2="420" y1="174.9609" y2="174.9609"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="121" x="274" y="169.895">get_delegated_key</text><polygon fill="#181818" points="693,200.0938,703,204.0938,693,208.0938,697,204.0938" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="426" x2="699" y1="204.0938" y2="204.0938"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="127" x="433" y="199.0278">read_measurement</text><rect fill="#FEFFDD" height="53" style="stroke:#181818;stroke-width:0.5;" width="167" x="342" y="217.0938"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="95" x="346" y="233.1606">Compute input</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="110" x="346" y="248.2935">for key derivation</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="159" x="346" y="263.4263">(hash of measurements)</text><polygon fill="#181818" points="810.5,292.625,820.5,296.625,810.5,300.625,814.5,296.625" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="426" x2="816.5" y1="296.625" y2="296.625"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="68" x="433" y="291.5591">derive_key</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="150" x="351" y="309.625"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="126" x="355" y="325.6919">Compute public key</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="60" x="355" y="340.8247">hash with</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="74" x="419" y="340.8247">hash_algo</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="4" x="493" y="340.8247">.</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="132" x="756" y="357.8906"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="124" x="760" y="373.9575">Seed is provisioned</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="88" x="760" y="389.0903">in the factory.</text><polygon fill="#181818" points="278,418.2891,268,422.2891,278,426.2891,274,422.2891" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="272" x2="425" y1="422.2891" y2="422.2891"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="121" x="284" y="417.2231">get_delegated_key</text><polygon fill="#181818" points="93,447.4219,83,451.4219,93,455.4219,89,451.4219" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="87" x2="266" y1="451.4219" y2="451.4219"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="94" x="99" y="446.356">get_realm_key</text><rect fill="#FEFFDD" height="129" style="stroke:#181818;stroke-width:0.5;" width="154" x="5" y="464.4219"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="102" x="9" y="480.4888">Only private key</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="114" x="9" y="495.6216">is returned. Public</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="104" x="9" y="510.7544">key and its hash</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="126" x="9" y="525.8872">must be computed.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="134" x="9" y="541.02">Public key is included</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="121" x="9" y="556.1528">in the realm token.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="125" x="9" y="571.2856">Its hash is the input</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="146" x="9" y="586.4185">for get_platform_token</text><polygon fill="#181818" points="255,630.75,265,634.75,255,638.75,259,634.75" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="82" x2="261" y1="634.75" y2="634.75"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="130" x="89" y="614.5513">get_platform_token(</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="104" x="121" y="629.6841">pub_key_hash</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="25" x="225" y="629.6841">, ...)</text><polygon fill="#181818" points="414,659.8828,424,663.8828,414,667.8828,418,663.8828" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="267" x2="420" y1="663.8828" y2="663.8828"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="135" x="274" y="658.8169">get_delegated_token</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="155" x="348" y="676.8828"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="39" x="352" y="692.9497">Check</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="104" x="395" y="692.9497">pub_key_hash</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="128" x="352" y="708.0825">against derived key.</text><polygon fill="#181818" points="542,737.2813,552,741.2813,542,745.2813,546,741.2813" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="426" x2="548" y1="741.2813" y2="741.2813"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="104" x="433" y="736.2153">get_initial_token</text><rect fill="#FEFFDD" height="53" style="stroke:#181818;stroke-width:0.5;" width="181" x="463" y="754.2813"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="168" x="467" y="770.3481">Create the token including</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="21" x="467" y="785.481">the</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="104" x="492" y="785.481">pub_key_hash</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="40" x="600" y="785.481">as the</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="99" x="467" y="800.6138">challenge claim</text><polygon fill="#181818" points="693,829.8125,703,833.8125,693,837.8125,697,833.8125" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="554" x2="699" y1="833.8125" y2="833.8125"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="127" x="561" y="828.7466">read_measurement</text><polygon fill="#181818" points="810.5,858.9453,820.5,862.9453,810.5,866.9453,814.5,862.9453" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="554" x2="816.5" y1="862.9453" y2="862.9453"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="69" x="561" y="857.8794">sign_token</text><polygon fill="#181818" points="437,888.0781,427,892.0781,437,896.0781,433,892.0781" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="431" x2="553" y1="892.0781" y2="892.0781"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="104" x="443" y="887.0122">get_initial_token</text><polygon fill="#181818" points="278,917.2109,268,921.2109,278,925.2109,274,921.2109" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="272" x2="425" y1="921.2109" y2="921.2109"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="135" x="284" y="916.145">get_delegated_token</text><polygon fill="#181818" points="93,946.3438,83,950.3438,93,954.3438,89,950.3438" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="87" x2="266" y1="950.3438" y2="950.3438"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="125" x="99" y="945.2778">get_platform_token</text><rect fill="#FEFFDD" height="68" style="stroke:#181818;stroke-width:0.5;" width="116" x="24" y="963.3438"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="108" x="28" y="979.4106">Platform token is</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="101" x="28" y="994.5435">cached. It is not</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="98" x="28" y="1009.6763">changing within</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="90" x="28" y="1024.8091">a power cycle.</text><!--MD5=[84fabec568a656165bea957fac178b53]
 @startuml
 skinparam ParticipantPadding 10
 skinparam BoxPadding 10
@@ -6,7 +6,7 @@
 participant RMM
 participant BL31
 endbox
-box RSS
+box RSE
 participant DelegAttest
 participant InitAttest
 participant MeasuredBoot
diff --git a/docs/resources/diagrams/rse_measured_boot_flow.svg b/docs/resources/diagrams/rse_measured_boot_flow.svg
index f5bf311..0ccfbc2 100644
--- a/docs/resources/diagrams/rse_measured_boot_flow.svg
+++ b/docs/resources/diagrams/rse_measured_boot_flow.svg
@@ -1,12 +1,12 @@
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style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="0" x2="75.5" y1="130.6953" y2="130.6953"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="36" x="7" y="125.6294">Reset</text><rect fill="#FEFFDD" height="23" style="stroke:#181818;stroke-width:0.5;" width="99" x="37" y="143.6953"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="91" x="41" y="159.7622">ROM code, XIP</text><rect fill="#FEFFDD" height="23" style="stroke:#181818;stroke-width:0.5;" width="95" x="185" y="176.8281"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="87" x="189" y="192.895">OTP code, XIP</text><rect fill="#FEFFDD" height="23" style="stroke:#181818;stroke-width:0.5;" width="861" x="368" y="209.9609"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="281" x="658" y="226.0278">Stored in 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measure, load</text><line style="stroke:#181818;stroke-width:1.0;" x1="709" x2="699" y1="501.4219" y2="497.4219"/><line style="stroke:#181818;stroke-width:1.0;" x1="709" x2="699" y1="501.4219" y2="505.4219"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="418.5" x2="710" y1="501.4219" y2="501.4219"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="152" x="425.5" y="496.356">Validate, measure, load</text><rect fill="#FEFFDD" height="53" style="stroke:#181818;stroke-width:0.5;" width="148" x="339" y="514.4219"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="131" x="343" y="530.4888">RSS_S and SCP_BL1</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="140" x="343" y="545.6216">measurements saved</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="114" x="343" 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flash, loaded and executed in RAM</text><line style="stroke:#181818;stroke-width:1.0;" x1="230.5" x2="220.5" y1="259.2266" y2="255.2266"/><line style="stroke:#181818;stroke-width:1.0;" x1="230.5" x2="220.5" y1="259.2266" y2="263.2266"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="91.5" x2="231.5" y1="259.2266" y2="259.2266"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="117" x="98.5" y="254.1606">Validate, measure</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="164" x="5" y="272.2266"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="134" x="9" y="288.2935">BL1_2 measurement</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="156" x="9" y="303.4263">saved to a shared buffer</text><polygon fill="#181818" points="215.5,332.625,225.5,336.625,215.5,340.625,219.5,336.625" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="86.5" x2="221.5" y1="336.625" y2="336.625"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="96" x="93.5" y="331.5591">Pass execution</text><line style="stroke:#181818;stroke-width:1.0;" x1="411.5" x2="401.5" y1="365.7578" y2="361.7578"/><line style="stroke:#181818;stroke-width:1.0;" x1="411.5" x2="401.5" y1="365.7578" y2="369.7578"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="237.5" x2="412.5" y1="365.7578" y2="365.7578"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="152" x="244.5" y="360.6919">Validate, measure, load</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="164" x="150" y="378.7578"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="152" x="154" y="394.8247">RSE_BL2 measurement</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="156" x="154" y="409.9575">saved to a shared buffer</text><polygon fill="#181818" points="396.5,439.1563,406.5,443.1563,396.5,447.1563,400.5,443.1563" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="232.5" x2="402.5" y1="443.1563" y2="443.1563"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="96" x="239.5" y="438.0903">Pass execution</text><line style="stroke:#181818;stroke-width:1.0;" x1="592.5" x2="582.5" y1="472.2891" y2="468.2891"/><line style="stroke:#181818;stroke-width:1.0;" x1="592.5" x2="582.5" y1="472.2891" y2="476.2891"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="418.5" x2="593.5" y1="472.2891" y2="472.2891"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="152" x="425.5" y="467.2231">Validate, measure, load</text><line style="stroke:#181818;stroke-width:1.0;" x1="709" x2="699" y1="501.4219" y2="497.4219"/><line style="stroke:#181818;stroke-width:1.0;" x1="709" x2="699" y1="501.4219" y2="505.4219"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="418.5" x2="710" y1="501.4219" y2="501.4219"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="152" x="425.5" y="496.356">Validate, measure, load</text><rect fill="#FEFFDD" height="53" style="stroke:#181818;stroke-width:0.5;" width="148" x="339" y="514.4219"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="131" x="343" y="530.4888">RSE_S and SCP_BL1</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="140" x="343" y="545.6216">measurements saved</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="114" x="343" y="560.7544">to a shared buffer</text><polygon fill="#181818" points="694,589.9531,704,593.9531,694,597.9531,698,593.9531" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="418.5" x2="700" y1="593.9531" y2="593.9531"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="121" x="425.5" y="588.8872">Release from reset</text><rect fill="#FEFFDD" height="23" style="stroke:#181818;stroke-width:0.5;" width="387" x="368" y="606.9531"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="200" x="461.75" y="623.02">MHU init between RSE and SCP</text><rect fill="#FEFFDD" height="23" style="stroke:#181818;stroke-width:0.5;" width="127" x="647" y="640.0859"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="119" x="651" y="656.1528">Configure memory</text><rect fill="#FEFFDD" height="23" style="stroke:#181818;stroke-width:0.5;" width="93" x="367" y="673.2188"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="85" x="371" y="689.2856">Waits for SCP</text><polygon fill="#181818" points="429.5,718.4844,419.5,722.4844,429.5,726.4844,425.5,722.4844" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="423.5" x2="705" y1="722.4844" y2="722.4844"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="34" x="435.5" y="717.4185">Done</text><line style="stroke:#181818;stroke-width:1.0;" x1="829" x2="819" y1="751.6172" y2="747.6172"/><line style="stroke:#181818;stroke-width:1.0;" x1="829" x2="819" y1="751.6172" y2="755.6172"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="418.5" x2="830" y1="751.6172" y2="751.6172"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="152" x="425.5" y="746.5513">Validate, measure, load</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="164" x="331" y="764.6172"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="143" x="335" y="780.6841">AP_BL1 measurement</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="156" x="335" y="795.8169">saved to a shared buffer</text><polygon fill="#181818" points="814,825.0156,824,829.0156,814,833.0156,818,829.0156" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="418.5" x2="820" y1="829.0156" y2="829.0156"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="121" x="425.5" y="823.9497">Release from reset</text><polygon fill="#181818" points="577.5,854.1484,587.5,858.1484,577.5,862.1484,581.5,858.1484" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="413.5" x2="583.5" y1="858.1484" y2="858.1484"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="96" x="420.5" y="853.0825">Pass execution</text><rect fill="#FEFFDD" height="68" style="stroke:#181818;stroke-width:0.5;" width="182" x="503" y="871.1484"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="163" x="507" y="887.2153">Measurements read from</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="174" x="507" y="902.3481">shared buffer and saved by</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="163" x="507" y="917.481">Measured Boot service to</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="129" x="507" y="932.6138">measurement slots.</text><rect fill="#EEEEEE" height="3" style="stroke:#EEEEEE;stroke-width:1.0;" width="1247" x="0" y="965.2461"/><line style="stroke:#000000;stroke-width:1.0;" x1="0" x2="1247" y1="965.2461" y2="965.2461"/><line style="stroke:#000000;stroke-width:1.0;" x1="0" x2="1247" y1="968.2461" y2="968.2461"/><rect fill="#EEEEEE" height="23.1328" style="stroke:#000000;stroke-width:2.0;" width="237" x="505" y="954.6797"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="218" x="511" y="970.7466">RSE Runtime / AP Boot phase</text><rect fill="#FEFFDD" height="23" style="stroke:#181818;stroke-width:0.5;" width="313" x="556" y="992.8125"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="191" x="617" y="1008.8794">MHU init between RSE and AP</text><rect fill="#FEFFDD" height="53" style="stroke:#181818;stroke-width:0.5;" width="126" x="768" y="1025.9453"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="118" x="772" y="1042.0122">Measure and load:</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="74" x="772" y="1057.145">FW_CONFIG</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="97" x="772" y="1072.2778">TB_FW_CONFIG</text><polygon fill="#181818" points="610.5,1101.4766,600.5,1105.4766,610.5,1109.4766,606.5,1105.4766" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="604.5" x2="825" y1="1105.4766" y2="1105.4766"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="139" x="616.5" y="1100.4106">Extend measurement</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="136" x="526" y="1118.4766"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="101" x="530" y="1134.5435">Measured Boot:</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="128" x="530" y="1149.6763">store measurement</text><line style="stroke:#181818;stroke-width:1.0;" x1="1006" x2="996" y1="1182.875" y2="1178.875"/><line style="stroke:#181818;stroke-width:1.0;" x1="1006" x2="996" y1="1182.875" y2="1186.875"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="836" x2="1007" y1="1182.875" y2="1182.875"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="148" x="843" y="1177.8091">Validate, measure,load</text><polygon fill="#181818" points="610.5,1208.0078,600.5,1212.0078,610.5,1216.0078,606.5,1212.0078" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="604.5" x2="825" y1="1212.0078" y2="1212.0078"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="139" x="616.5" y="1206.9419">Extend measurement</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="136" x="526" y="1225.0078"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="101" x="530" y="1241.0747">Measured Boot:</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="128" x="530" y="1256.2075">store measurement</text><polygon fill="#181818" points="991,1285.4063,1001,1289.4063,991,1293.4063,995,1289.4063" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="831" x2="997" y1="1289.4063" y2="1289.4063"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="96" x="838" y="1284.3403">Pass execution</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="126" x="945" y="1302.4063"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="118" x="949" y="1318.4731">Measure and load:</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="77" x="949" y="1333.606">HW_CONFIG</text><polygon fill="#181818" points="610.5,1362.8047,600.5,1366.8047,610.5,1370.8047,606.5,1366.8047" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="604.5" x2="1002" y1="1366.8047" y2="1366.8047"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="139" x="616.5" y="1361.7388">Extend measurement</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="136" x="526" y="1379.8047"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="101" x="530" y="1395.8716">Measured Boot:</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="128" x="530" y="1411.0044">store measurement</text><line style="stroke:#181818;stroke-width:1.0;" x1="1183" x2="1173" y1="1444.2031" y2="1440.2031"/><line style="stroke:#181818;stroke-width:1.0;" x1="1183" x2="1173" y1="1444.2031" y2="1448.2031"/><line style="stroke:#181818;stroke-width:1.0;stroke-dasharray:2.0,2.0;" x1="1013" x2="1184" y1="1444.2031" y2="1444.2031"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="148" x="1020" y="1439.1372">Validate, measure,load</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="126" x="945" y="1457.2031"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="118" x="949" y="1473.27">Measure and load:</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="32" x="949" y="1488.4028">BL31</text><polygon fill="#181818" points="610.5,1517.6016,600.5,1521.6016,610.5,1525.6016,606.5,1521.6016" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="604.5" x2="1002" y1="1521.6016" y2="1521.6016"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="139" x="616.5" y="1516.5356">Extend measurement</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="136" x="526" y="1534.6016"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="101" x="530" y="1550.6685">Measured Boot:</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="128" x="530" y="1565.8013">store measurement</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="126" x="945" y="1582.8672"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="118" x="949" y="1598.9341">Measure and load:</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="30" x="949" y="1614.0669">RMM</text><polygon fill="#181818" points="610.5,1643.2656,600.5,1647.2656,610.5,1651.2656,606.5,1647.2656" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="604.5" x2="1002" y1="1647.2656" y2="1647.2656"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="139" x="616.5" y="1642.1997">Extend measurement</text><rect fill="#FEFFDD" height="38" style="stroke:#181818;stroke-width:0.5;" width="136" x="526" y="1660.2656"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="101" x="530" y="1676.3325">Measured Boot:</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="128" x="530" y="1691.4653">store measurement</text><polygon fill="#181818" points="1168,1720.6641,1178,1724.6641,1168,1728.6641,1172,1724.6641" style="stroke:#181818;stroke-width:1.0;"/><line style="stroke:#181818;stroke-width:1.0;" x1="1008" x2="1174" y1="1724.6641" y2="1724.6641"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacing" textLength="96" x="1015" y="1719.5981">Pass execution</text><rect fill="#EEEEEE" height="3" style="stroke:#EEEEEE;stroke-width:1.0;" width="1247" x="0" y="1753.2305"/><line style="stroke:#000000;stroke-width:1.0;" x1="0" x2="1247" y1="1753.2305" y2="1753.2305"/><line style="stroke:#000000;stroke-width:1.0;" x1="0" x2="1247" y1="1756.2305" y2="1756.2305"/><rect fill="#EEEEEE" height="23.1328" style="stroke:#000000;stroke-width:2.0;" width="148" x="549.5" y="1742.6641"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacing" textLength="129" x="555.5" y="1758.731">RSE / AP Runtime</text><!--MD5=[e3f0ee259d2a4aa9c2a97ff856de0312]
 @startuml
 skinparam ParticipantPadding 10
 skinparam BoxPadding 10
-box RSS
-participant RSS_BL1_1
-participant RSS_BL1_2
-participant RSS_BL2
-participant RSS_S
+box RSE
+participant RSE_BL1_1
+participant RSE_BL1_2
+participant RSE_BL2
+participant RSE_S
 endbox
 box SCP
 participant SCP_BL1
@@ -17,65 +17,65 @@
 participant AP_BL31
 endbox
 
-== RSS Boot phase ==
--> RSS_BL1_1: Reset
-Rnote over RSS_BL1_1: ROM code, XIP
-Rnote over RSS_BL1_2: OTP code, XIP
-Rnote over RSS_BL2, AP_BL31: Stored in flash, loaded and executed in RAM
-activate RSS_BL1_1 #Green
-RSS_BL1_1 - ->> RSS_BL1_2: Validate, measure
-Rnote over RSS_BL1_1: BL1_2 measurement\n\ saved to a shared buffer
-RSS_BL1_1 -> RSS_BL1_2: Pass execution
-deactivate RSS_BL1_1
-activate RSS_BL1_2 #Green
-RSS_BL1_2 - ->> RSS_BL2: Validate, measure, load
-Rnote over RSS_BL1_2: RSS_BL2 measurement\n\ saved to a shared buffer
-RSS_BL1_2 -> RSS_BL2: Pass execution
-deactivate RSS_BL1_2
-activate RSS_BL2 #Green
-RSS_BL2 - ->> RSS_S: Validate, measure, load
-RSS_BL2 - ->> SCP_BL1: Validate, measure, load
-Rnote over RSS_BL2: RSS_S and SCP_BL1\n\ measurements saved\n\ to a shared buffer
-RSS_BL2 -> SCP_BL1: Release from reset
+== RSE Boot phase ==
+-> RSE_BL1_1: Reset
+Rnote over RSE_BL1_1: ROM code, XIP
+Rnote over RSE_BL1_2: OTP code, XIP
+Rnote over RSE_BL2, AP_BL31: Stored in flash, loaded and executed in RAM
+activate RSE_BL1_1 #Green
+RSE_BL1_1 - ->> RSE_BL1_2: Validate, measure
+Rnote over RSE_BL1_1: BL1_2 measurement\n\ saved to a shared buffer
+RSE_BL1_1 -> RSE_BL1_2: Pass execution
+deactivate RSE_BL1_1
+activate RSE_BL1_2 #Green
+RSE_BL1_2 - ->> RSE_BL2: Validate, measure, load
+Rnote over RSE_BL1_2: RSE_BL2 measurement\n\ saved to a shared buffer
+RSE_BL1_2 -> RSE_BL2: Pass execution
+deactivate RSE_BL1_2
+activate RSE_BL2 #Green
+RSE_BL2 - ->> RSE_S: Validate, measure, load
+RSE_BL2 - ->> SCP_BL1: Validate, measure, load
+Rnote over RSE_BL2: RSE_S and SCP_BL1\n\ measurements saved\n\ to a shared buffer
+RSE_BL2 -> SCP_BL1: Release from reset
 activate SCP_BL1 #Green
-Rnote over RSS_BL2, SCP_BL1: MHU init between RSS and SCP
+Rnote over RSE_BL2, SCP_BL1: MHU init between RSE and SCP
 Rnote over SCP_BL1: Configure memory
-Rnote over RSS_BL2: Waits for SCP
-SCP_BL1 - -> RSS_BL2: Done
-RSS_BL2 - ->> AP_BL1: Validate, measure, load
-Rnote over RSS_BL2: AP_BL1 measurement\n\ saved to a shared buffer
-RSS_BL2 -> AP_BL1: Release from reset
+Rnote over RSE_BL2: Waits for SCP
+SCP_BL1 - -> RSE_BL2: Done
+RSE_BL2 - ->> AP_BL1: Validate, measure, load
+Rnote over RSE_BL2: AP_BL1 measurement\n\ saved to a shared buffer
+RSE_BL2 -> AP_BL1: Release from reset
 activate AP_BL1 #Green
-RSS_BL2 -> RSS_S: Pass execution
-deactivate RSS_BL2
-activate RSS_S #Green
-Rnote over RSS_S: Measurements read from\n\ shared buffer and saved by\nMeasured Boot service to\n\ measurement slots.
+RSE_BL2 -> RSE_S: Pass execution
+deactivate RSE_BL2
+activate RSE_S #Green
+Rnote over RSE_S: Measurements read from\n\ shared buffer and saved by\nMeasured Boot service to\n\ measurement slots.
 
-== RSS Runtime / AP Boot phase ==
-Rnote over RSS_S, AP_BL1: MHU init between RSS and AP
+== RSE Runtime / AP Boot phase ==
+Rnote over RSE_S, AP_BL1: MHU init between RSE and AP
 Rnote over AP_BL1: Measure and load:\n\ FW_CONFIG\n\ TB_FW_CONFIG
-AP_BL1 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL1 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 AP_BL1 - ->> AP_BL2: Validate, measure,load
-AP_BL1 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL1 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 AP_BL1 -> AP_BL2: Pass execution
 deactivate AP_BL1
 activate AP_BL2 #Green
 Rnote over AP_BL2: Measure and load:\n\ HW_CONFIG
-AP_BL2 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL2 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 AP_BL2 - ->> AP_BL31: Validate, measure,load
 Rnote over AP_BL2: Measure and load:\n\ BL31
-AP_BL2 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL2 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 Rnote over AP_BL2: Measure and load:\n\ RMM
-AP_BL2 -> RSS_S: Extend measurement
-Rnote over RSS_S: Measured Boot:\n\ store measurement
+AP_BL2 -> RSE_S: Extend measurement
+Rnote over RSE_S: Measured Boot:\n\ store measurement
 AP_BL2 -> AP_BL31: Pass execution
 deactivate AP_BL2
 activate AP_BL31 #Green
-== RSS / AP Runtime ==
+== RSE / AP Runtime ==
 @enduml
 
 PlantUML version 1.2022.7(Mon Aug 22 19:01:30 CEST 2022)
diff --git a/docs/threat_model/firmware_threat_model/index.rst b/docs/threat_model/firmware_threat_model/index.rst
index 05b6710..ce1752f 100644
--- a/docs/threat_model/firmware_threat_model/index.rst
+++ b/docs/threat_model/firmware_threat_model/index.rst
@@ -30,7 +30,7 @@
    threat_model
    threat_model_el3_spm
    threat_model_fvp_r
-   threat_model_rss_interface
+   threat_model_rse_interface
    threat_model_arm_cca
    threat_model_fw_update_and_recovery
 
diff --git a/docs/threat_model/firmware_threat_model/threat_model_rse_interface.rst b/docs/threat_model/firmware_threat_model/threat_model_rse_interface.rst
index 025d2d9..3b391c1 100644
--- a/docs/threat_model/firmware_threat_model/threat_model_rse_interface.rst
+++ b/docs/threat_model/firmware_threat_model/threat_model_rse_interface.rst
@@ -1,41 +1,41 @@
-Threat Model for RSS - AP interface
+Threat Model for RSE - AP interface
 ***********************************
 
 ************
 Introduction
 ************
 This document is an extension for the general TF-A threat-model. It considers
-those platforms where a Runtime Security Subsystem (RSS) is included in the SoC
+those platforms where a Runtime Security Engine (RSE) is included in the SoC
 next to the Application Processor (AP).
 
 ********************
 Target of Evaluation
 ********************
-The scope of this threat model only includes the interface between the RSS and
+The scope of this threat model only includes the interface between the RSE and
 AP. Otherwise, the TF-A :ref:`Generic Threat Model` document is applicable for
-the AP core. The threat model for the RSS firmware will be provided by the RSS
+the AP core. The threat model for the RSE firmware will be provided by the RSE
 firmware project in the future.
 
 
 Data Flow Diagram
 =================
 This diagram is different only from the general TF-A data flow diagram in that
-it includes the RSS and highlights the interface between the AP and the RSS
-cores. The interface description only focuses on the AP-RSS interface the rest
+it includes the RSE and highlights the interface between the AP and the RSE
+cores. The interface description only focuses on the AP-RSE interface the rest
 is the same as in the general TF-A threat-model document.
 
-.. uml:: ../../resources/diagrams/plantuml/tfa_rss_dfd.puml
-  :caption: Figure 1: TF-A Data Flow Diagram including RSS
+.. uml:: ../../resources/diagrams/plantuml/tfa_rse_dfd.puml
+  :caption: Figure 1: TF-A Data Flow Diagram including RSE
 
-.. table:: Table 1: TF-A - RSS data flow diagram
+.. table:: Table 1: TF-A - RSE data flow diagram
 
   +-----------------+--------------------------------------------------------+
   | Diagram Element | Description                                            |
   +=================+========================================================+
-  |       DF7       | | Boot images interact with RSS over a communication   |
+  |       DF7       | | Boot images interact with RSE over a communication   |
   |                 |   channel to record boot measurements and get image    |
   |                 |   verification keys. At runtime, BL31 obtains the      |
-  |                 |   realm world attestation signing key from RSS.        |
+  |                 |   realm world attestation signing key from RSE.        |
   +-----------------+--------------------------------------------------------+
 
 Threat Assessment
@@ -44,12 +44,12 @@
 threat-model document, :ref:`Generic Threat Model`. All the threats listed there
 are applicable for the AP core, here only the differences are highlighted.
 
-    - ID 11: The access to the communication interface between AP and RSS is
+    - ID 11: The access to the communication interface between AP and RSE is
       allowed only for firmware running at EL3. Accidentally exposing this
-      interface to NSCode can allow malicious code to interact with RSS and
+      interface to NSCode can allow malicious code to interact with RSE and
       gain access to sensitive data.
     - ID 13: Relevant in the context of the realm attestation key, which can be
-      retrieved by BL31 through DF7. The RSS communication protocol layer
+      retrieved by BL31 through DF7. The RSE communication protocol layer
       mitigates against this by clearing its internal buffer when reply is
       received. The caller of the API must do the same if data is not needed
       anymore.
diff --git a/docs/threat_model/supply_chain_threat_model.rst b/docs/threat_model/supply_chain_threat_model.rst
index 386a4b0..a0fed5c 100644
--- a/docs/threat_model/supply_chain_threat_model.rst
+++ b/docs/threat_model/supply_chain_threat_model.rst
@@ -115,7 +115,7 @@
 - *EDK2 UEFI*: Normal world bootloader from the EDK2 project [7]_. We use EDK2
   UEFI binaries hosted on tf.org servers for testing [8]_.
 
-Other software components used to test TF-A include U-Boot, Linux kernel, RSS,
+Other software components used to test TF-A include U-Boot, Linux kernel, RSE,
 MCP, and file systems, all sourced from the Arm Reference Platforms teams.
 
 TF-A Toolchain