diff --git a/plat/arm/board/common/rotpk/arm_full_dev_ecdsa_p256_rotpk.S b/plat/arm/board/common/rotpk/arm_full_dev_ecdsa_p256_rotpk.S
new file mode 100644
index 0000000..44f49bb
--- /dev/null
+++ b/plat/arm/board/common/rotpk/arm_full_dev_ecdsa_p256_rotpk.S
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* corstone1000 platform provides custom values for the macros defined in
+ * arm_def.h , so only platform_def.h needs to be included
+ */
+#if !defined(TARGET_PLATFORM_FVP) && !defined(TARGET_PLATFORM_FPGA)
+#include "plat/arm/common/arm_def.h"
+#else
+#include <platform_def.h>
+#endif
+
+	.global arm_rotpk_key
+	.global arm_rotpk_key_end
+
+	.section .rodata.arm_rotpk_key, "a"
+
+/* Derived from arm_rotprivk_ecdsa.pem private key file. */
+arm_rotpk_key:
+	.byte 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2A, 0x86, 0x48, 0xCE, 0x3D
+	.byte 0x02, 0x01, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01
+	.byte 0x07, 0x03, 0x42, 0x00, 0x04, 0x9B, 0xE6, 0x48, 0xBD, 0x34, 0x38
+	.byte 0xE1, 0xA2, 0xA4, 0xF3, 0x70, 0xE1, 0x54, 0xBB, 0x2F, 0xB0, 0x5A
+	.byte 0x4A, 0x0C, 0xFF, 0xC2, 0x87, 0xDB, 0xC0, 0xFB, 0x81, 0xE9, 0xF9
+	.byte 0xF9, 0x95, 0x7D, 0x7E, 0xA0, 0x0C, 0x7F, 0x0A, 0xD4, 0xE0, 0x62
+	.byte 0x4A, 0x94, 0x5F, 0xEC, 0x52, 0x7D, 0x44, 0x63, 0xC8, 0x9F, 0x61
+	.byte 0xFA, 0xC6, 0xCB, 0x7E, 0x6B, 0x53, 0xAD, 0x2C, 0xC5, 0x94, 0x0D
+	.byte 0x1A, 0x86, 0x91
+arm_rotpk_key_end:
+
+.if ARM_ROTPK_KEY_LEN != arm_rotpk_key_end - arm_rotpk_key
+.error "Invalid ROTPK length."
+.endif