Squashed 'lib/mbedtls/external/mbedtls/' content from commit 2ca6c285a0dd
git-subtree-dir: lib/mbedtls/external/mbedtls
git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206
diff --git a/programs/x509/CMakeLists.txt b/programs/x509/CMakeLists.txt
new file mode 100644
index 0000000..43437f0
--- /dev/null
+++ b/programs/x509/CMakeLists.txt
@@ -0,0 +1,24 @@
+set(libs
+ ${mbedx509_target}
+)
+
+set(executables
+ cert_app
+ cert_req
+ cert_write
+ crl_app
+ load_roots
+ req_app
+)
+
+foreach(exe IN LISTS executables)
+ add_executable(${exe} ${exe}.c $<TARGET_OBJECTS:mbedtls_test>)
+ target_link_libraries(${exe} ${libs} ${CMAKE_THREAD_LIBS_INIT})
+ target_include_directories(${exe} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../../tests/include)
+endforeach()
+
+target_link_libraries(cert_app ${mbedtls_target})
+
+install(TARGETS ${executables}
+ DESTINATION "bin"
+ PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
new file mode 100644
index 0000000..cb1e5bc
--- /dev/null
+++ b/programs/x509/cert_app.c
@@ -0,0 +1,456 @@
+/*
+ * Certificate reading application
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#include "mbedtls/build_info.h"
+
+#include "mbedtls/platform.h"
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) || \
+ !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \
+ !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) || \
+ !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
+ !defined(MBEDTLS_CTR_DRBG_C) || defined(MBEDTLS_X509_REMOVE_INFO)
+int main(void)
+{
+ mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
+ "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+ "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_FS_IO and/or "
+ "MBEDTLS_CTR_DRBG_C not defined and/or MBEDTLS_X509_REMOVE_INFO defined.\n");
+ mbedtls_exit(0);
+}
+#else
+
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/debug.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MODE_NONE 0
+#define MODE_FILE 1
+#define MODE_SSL 2
+
+#define DFL_MODE MODE_NONE
+#define DFL_FILENAME "cert.crt"
+#define DFL_CA_FILE ""
+#define DFL_CRL_FILE ""
+#define DFL_CA_PATH ""
+#define DFL_SERVER_NAME "localhost"
+#define DFL_SERVER_PORT "4433"
+#define DFL_DEBUG_LEVEL 0
+#define DFL_PERMISSIVE 0
+
+#define USAGE_IO \
+ " ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \
+ " default: \"\" (none)\n" \
+ " crl_file=%%s The single CRL file you want to use\n" \
+ " default: \"\" (none)\n" \
+ " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \
+ " default: \"\" (none) (overrides ca_file)\n"
+
+#define USAGE \
+ "\n usage: cert_app param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ " mode=file|ssl default: none\n" \
+ " filename=%%s default: cert.crt\n" \
+ USAGE_IO \
+ " server_name=%%s default: localhost\n" \
+ " server_port=%%d default: 4433\n" \
+ " debug_level=%%d default: 0 (disabled)\n" \
+ " permissive=%%d default: 0 (disabled)\n" \
+ "\n"
+
+
+/*
+ * global options
+ */
+struct options {
+ int mode; /* the mode to run the application in */
+ const char *filename; /* filename of the certificate file */
+ const char *ca_file; /* the file with the CA certificate(s) */
+ const char *crl_file; /* the file with the CRL to use */
+ const char *ca_path; /* the path with the CA certificate(s) reside */
+ const char *server_name; /* hostname of the server (client only) */
+ const char *server_port; /* port on which the ssl service runs */
+ int debug_level; /* level of debugging */
+ int permissive; /* permissive parsing */
+} opt;
+
+static void my_debug(void *ctx, int level,
+ const char *file, int line,
+ const char *str)
+{
+ ((void) level);
+
+ mbedtls_fprintf((FILE *) ctx, "%s:%04d: %s", file, line, str);
+ fflush((FILE *) ctx);
+}
+
+static int my_verify(void *data, mbedtls_x509_crt *crt, int depth, uint32_t *flags)
+{
+ char buf[1024];
+ ((void) data);
+
+ mbedtls_printf("\nVerify requested for (Depth %d):\n", depth);
+ mbedtls_x509_crt_info(buf, sizeof(buf) - 1, "", crt);
+ mbedtls_printf("%s", buf);
+
+ if ((*flags) == 0) {
+ mbedtls_printf(" This certificate has no flags\n");
+ } else {
+ mbedtls_x509_crt_verify_info(buf, sizeof(buf), " ! ", *flags);
+ mbedtls_printf("%s\n", buf);
+ }
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int ret = 1;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ mbedtls_net_context server_fd;
+ unsigned char buf[1024];
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_x509_crt cacert;
+ mbedtls_x509_crl cacrl;
+ int i, j;
+ uint32_t flags;
+ int verify = 0;
+ char *p, *q;
+ const char *pers = "cert_app";
+
+ /*
+ * Set to sane values
+ */
+ mbedtls_net_init(&server_fd);
+ mbedtls_ctr_drbg_init(&ctr_drbg);
+ mbedtls_ssl_init(&ssl);
+ mbedtls_ssl_config_init(&conf);
+ mbedtls_x509_crt_init(&cacert);
+ mbedtls_entropy_init(&entropy);
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ mbedtls_x509_crl_init(&cacrl);
+#else
+ /* Zeroize structure as CRL parsing is not supported and we have to pass
+ it to the verify function */
+ memset(&cacrl, 0, sizeof(mbedtls_x509_crl));
+#endif
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_status_t status = psa_crypto_init();
+ if (status != PSA_SUCCESS) {
+ mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+ (int) status);
+ goto exit;
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ if (argc < 2) {
+usage:
+ mbedtls_printf(USAGE);
+ goto exit;
+ }
+
+ opt.mode = DFL_MODE;
+ opt.filename = DFL_FILENAME;
+ opt.ca_file = DFL_CA_FILE;
+ opt.crl_file = DFL_CRL_FILE;
+ opt.ca_path = DFL_CA_PATH;
+ opt.server_name = DFL_SERVER_NAME;
+ opt.server_port = DFL_SERVER_PORT;
+ opt.debug_level = DFL_DEBUG_LEVEL;
+ opt.permissive = DFL_PERMISSIVE;
+
+ for (i = 1; i < argc; i++) {
+ p = argv[i];
+ if ((q = strchr(p, '=')) == NULL) {
+ goto usage;
+ }
+ *q++ = '\0';
+
+ for (j = 0; p + j < q; j++) {
+ if (argv[i][j] >= 'A' && argv[i][j] <= 'Z') {
+ argv[i][j] |= 0x20;
+ }
+ }
+
+ if (strcmp(p, "mode") == 0) {
+ if (strcmp(q, "file") == 0) {
+ opt.mode = MODE_FILE;
+ } else if (strcmp(q, "ssl") == 0) {
+ opt.mode = MODE_SSL;
+ } else {
+ goto usage;
+ }
+ } else if (strcmp(p, "filename") == 0) {
+ opt.filename = q;
+ } else if (strcmp(p, "ca_file") == 0) {
+ opt.ca_file = q;
+ } else if (strcmp(p, "crl_file") == 0) {
+ opt.crl_file = q;
+ } else if (strcmp(p, "ca_path") == 0) {
+ opt.ca_path = q;
+ } else if (strcmp(p, "server_name") == 0) {
+ opt.server_name = q;
+ } else if (strcmp(p, "server_port") == 0) {
+ opt.server_port = q;
+ } else if (strcmp(p, "debug_level") == 0) {
+ opt.debug_level = atoi(q);
+ if (opt.debug_level < 0 || opt.debug_level > 65535) {
+ goto usage;
+ }
+ } else if (strcmp(p, "permissive") == 0) {
+ opt.permissive = atoi(q);
+ if (opt.permissive < 0 || opt.permissive > 1) {
+ goto usage;
+ }
+ } else {
+ goto usage;
+ }
+ }
+
+ /*
+ * 1.1. Load the trusted CA
+ */
+ mbedtls_printf(" . Loading the CA root certificate ...");
+ fflush(stdout);
+
+ if (strlen(opt.ca_path)) {
+ if ((ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path)) < 0) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse_path returned -0x%x\n\n",
+ (unsigned int) -ret);
+ goto exit;
+ }
+
+ verify = 1;
+ } else if (strlen(opt.ca_file)) {
+ if ((ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file)) < 0) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse_file returned -0x%x\n\n",
+ (unsigned int) -ret);
+ goto exit;
+ }
+
+ verify = 1;
+ }
+
+ mbedtls_printf(" ok (%d skipped)\n", ret);
+
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ if (strlen(opt.crl_file)) {
+ if ((ret = mbedtls_x509_crl_parse_file(&cacrl, opt.crl_file)) != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_crl_parse returned -0x%x\n\n",
+ (unsigned int) -ret);
+ goto exit;
+ }
+
+ verify = 1;
+ }
+#endif
+
+ if (opt.mode == MODE_FILE) {
+ mbedtls_x509_crt crt;
+ mbedtls_x509_crt *cur = &crt;
+ mbedtls_x509_crt_init(&crt);
+
+ /*
+ * 1.1. Load the certificate(s)
+ */
+ mbedtls_printf("\n . Loading the certificate(s) ...");
+ fflush(stdout);
+
+ ret = mbedtls_x509_crt_parse_file(&crt, opt.filename);
+
+ if (ret < 0) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse_file returned %d\n\n", ret);
+ mbedtls_x509_crt_free(&crt);
+ goto exit;
+ }
+
+ if (opt.permissive == 0 && ret > 0) {
+ mbedtls_printf(
+ " failed\n ! mbedtls_x509_crt_parse failed to parse %d certificates\n\n",
+ ret);
+ mbedtls_x509_crt_free(&crt);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ /*
+ * 1.2 Print the certificate(s)
+ */
+ while (cur != NULL) {
+ mbedtls_printf(" . Peer certificate information ...\n");
+ ret = mbedtls_x509_crt_info((char *) buf, sizeof(buf) - 1, " ",
+ cur);
+ if (ret == -1) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_crt_info returned %d\n\n", ret);
+ mbedtls_x509_crt_free(&crt);
+ goto exit;
+ }
+
+ mbedtls_printf("%s\n", buf);
+
+ cur = cur->next;
+ }
+
+ /*
+ * 1.3 Verify the certificate
+ */
+ if (verify) {
+ mbedtls_printf(" . Verifying X.509 certificate...");
+
+ if ((ret = mbedtls_x509_crt_verify(&crt, &cacert, &cacrl, NULL, &flags,
+ my_verify, NULL)) != 0) {
+ char vrfy_buf[512];
+
+ mbedtls_printf(" failed\n");
+
+ mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), " ! ", flags);
+
+ mbedtls_printf("%s\n", vrfy_buf);
+ } else {
+ mbedtls_printf(" ok\n");
+ }
+ }
+
+ mbedtls_x509_crt_free(&crt);
+ } else if (opt.mode == MODE_SSL) {
+ /*
+ * 1. Initialize the RNG and the session data
+ */
+ mbedtls_printf("\n . Seeding the random number generator...");
+ fflush(stdout);
+
+ if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen(pers))) != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret);
+ goto ssl_exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+#if defined(MBEDTLS_DEBUG_C)
+ mbedtls_debug_set_threshold(opt.debug_level);
+#endif
+
+ /*
+ * 2. Start the connection
+ */
+ mbedtls_printf(" . SSL connection to tcp/%s/%s...", opt.server_name,
+ opt.server_port);
+ fflush(stdout);
+
+ if ((ret = mbedtls_net_connect(&server_fd, opt.server_name,
+ opt.server_port, MBEDTLS_NET_PROTO_TCP)) != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_net_connect returned %d\n\n", ret);
+ goto ssl_exit;
+ }
+
+ /*
+ * 3. Setup stuff
+ */
+ if ((ret = mbedtls_ssl_config_defaults(&conf,
+ MBEDTLS_SSL_IS_CLIENT,
+ MBEDTLS_SSL_TRANSPORT_STREAM,
+ MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
+ goto exit;
+ }
+
+ if (verify) {
+ mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_REQUIRED);
+ mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+ mbedtls_ssl_conf_verify(&conf, my_verify, NULL);
+ } else {
+ mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_NONE);
+ }
+
+ mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+ mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
+
+ if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned %d\n\n", ret);
+ goto ssl_exit;
+ }
+
+ if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret);
+ goto ssl_exit;
+ }
+
+ mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
+
+ /*
+ * 4. Handshake
+ */
+ while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+ if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+ mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned %d\n\n", ret);
+ goto ssl_exit;
+ }
+ }
+
+ mbedtls_printf(" ok\n");
+
+ /*
+ * 5. Print the certificate
+ */
+#if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
+ mbedtls_printf(" . Peer certificate information ... skipped\n");
+#else
+ mbedtls_printf(" . Peer certificate information ...\n");
+ ret = mbedtls_x509_crt_info((char *) buf, sizeof(buf) - 1, " ",
+ mbedtls_ssl_get_peer_cert(&ssl));
+ if (ret == -1) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_crt_info returned %d\n\n", ret);
+ goto ssl_exit;
+ }
+
+ mbedtls_printf("%s\n", buf);
+#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
+
+ mbedtls_ssl_close_notify(&ssl);
+
+ssl_exit:
+ mbedtls_ssl_free(&ssl);
+ mbedtls_ssl_config_free(&conf);
+ } else {
+ goto usage;
+ }
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+
+ mbedtls_net_free(&server_fd);
+ mbedtls_x509_crt_free(&cacert);
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ mbedtls_x509_crl_free(&cacrl);
+#endif
+ mbedtls_ctr_drbg_free(&ctr_drbg);
+ mbedtls_entropy_free(&entropy);
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ mbedtls_psa_crypto_free();
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ mbedtls_exit(exit_code);
+}
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
+ MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
+ MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_FS_IO && MBEDTLS_CTR_DRBG_C */
diff --git a/programs/x509/cert_req.c b/programs/x509/cert_req.c
new file mode 100644
index 0000000..dcfd176
--- /dev/null
+++ b/programs/x509/cert_req.c
@@ -0,0 +1,514 @@
+/*
+ * Certificate request generation
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#include "mbedtls/build_info.h"
+
+#include "mbedtls/platform.h"
+/* md.h is included this early since MD_CAN_XXX macros are defined there. */
+#include "mbedtls/md.h"
+
+#if !defined(MBEDTLS_X509_CSR_WRITE_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
+ !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_MD_CAN_SHA256) || \
+ !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
+ !defined(MBEDTLS_PEM_WRITE_C) || !defined(MBEDTLS_FS_IO) || \
+ !defined(MBEDTLS_MD_C)
+int main(void)
+{
+ mbedtls_printf("MBEDTLS_X509_CSR_WRITE_C and/or MBEDTLS_FS_IO and/or "
+ "MBEDTLS_PK_PARSE_C and/or MBEDTLS_MD_CAN_SHA256 and/or "
+ "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C "
+ "not defined.\n");
+ mbedtls_exit(0);
+}
+#else
+
+#include "mbedtls/x509_csr.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/error.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define DFL_FILENAME "keyfile.key"
+#define DFL_PASSWORD NULL
+#define DFL_DEBUG_LEVEL 0
+#define DFL_OUTPUT_FILENAME "cert.req"
+#define DFL_SUBJECT_NAME "CN=Cert,O=mbed TLS,C=UK"
+#define DFL_KEY_USAGE 0
+#define DFL_FORCE_KEY_USAGE 0
+#define DFL_NS_CERT_TYPE 0
+#define DFL_FORCE_NS_CERT_TYPE 0
+#define DFL_MD_ALG MBEDTLS_MD_SHA256
+
+#define USAGE \
+ "\n usage: cert_req param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ " filename=%%s default: keyfile.key\n" \
+ " password=%%s default: NULL\n" \
+ " debug_level=%%d default: 0 (disabled)\n" \
+ " output_file=%%s default: cert.req\n" \
+ " subject_name=%%s default: CN=Cert,O=mbed TLS,C=UK\n" \
+ " san=%%s default: (none)\n" \
+ " Semicolon-separated-list of values:\n" \
+ " DNS:value\n" \
+ " URI:value\n" \
+ " RFC822:value\n" \
+ " IP:value (Only IPv4 is supported)\n" \
+ " DN:list of comma separated key=value pairs\n" \
+ " key_usage=%%s default: (empty)\n" \
+ " Comma-separated-list of values:\n" \
+ " digital_signature\n" \
+ " non_repudiation\n" \
+ " key_encipherment\n" \
+ " data_encipherment\n" \
+ " key_agreement\n" \
+ " key_cert_sign\n" \
+ " crl_sign\n" \
+ " force_key_usage=0/1 default: off\n" \
+ " Add KeyUsage even if it is empty\n" \
+ " ns_cert_type=%%s default: (empty)\n" \
+ " Comma-separated-list of values:\n" \
+ " ssl_client\n" \
+ " ssl_server\n" \
+ " email\n" \
+ " object_signing\n" \
+ " ssl_ca\n" \
+ " email_ca\n" \
+ " object_signing_ca\n" \
+ " force_ns_cert_type=0/1 default: off\n" \
+ " Add NsCertType even if it is empty\n" \
+ " md=%%s default: SHA256\n" \
+ " possible values:\n" \
+ " MD5, RIPEMD160, SHA1,\n" \
+ " SHA224, SHA256, SHA384, SHA512\n" \
+ "\n"
+
+
+/*
+ * global options
+ */
+struct options {
+ const char *filename; /* filename of the key file */
+ const char *password; /* password for the key file */
+ int debug_level; /* level of debugging */
+ const char *output_file; /* where to store the constructed key file */
+ const char *subject_name; /* subject name for certificate request */
+ mbedtls_x509_san_list *san_list; /* subjectAltName for certificate request */
+ unsigned char key_usage; /* key usage flags */
+ int force_key_usage; /* Force adding the KeyUsage extension */
+ unsigned char ns_cert_type; /* NS cert type */
+ int force_ns_cert_type; /* Force adding NsCertType extension */
+ mbedtls_md_type_t md_alg; /* Hash algorithm used for signature. */
+} opt;
+
+int write_certificate_request(mbedtls_x509write_csr *req, const char *output_file,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng)
+{
+ int ret;
+ FILE *f;
+ unsigned char output_buf[4096];
+ size_t len = 0;
+
+ memset(output_buf, 0, 4096);
+ if ((ret = mbedtls_x509write_csr_pem(req, output_buf, 4096, f_rng, p_rng)) < 0) {
+ return ret;
+ }
+
+ len = strlen((char *) output_buf);
+
+ if ((f = fopen(output_file, "w")) == NULL) {
+ return -1;
+ }
+
+ if (fwrite(output_buf, 1, len, f) != len) {
+ fclose(f);
+ return -1;
+ }
+
+ fclose(f);
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int ret = 1;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ mbedtls_pk_context key;
+ char buf[1024];
+ int i;
+ char *p, *q, *r;
+ mbedtls_x509write_csr req;
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ const char *pers = "csr example app";
+ mbedtls_x509_san_list *cur, *prev;
+ mbedtls_asn1_named_data *ext_san_dirname = NULL;
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ uint8_t ip[4] = { 0 };
+#endif
+ /*
+ * Set to sane values
+ */
+ mbedtls_x509write_csr_init(&req);
+ mbedtls_pk_init(&key);
+ mbedtls_ctr_drbg_init(&ctr_drbg);
+ memset(buf, 0, sizeof(buf));
+ mbedtls_entropy_init(&entropy);
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_status_t status = psa_crypto_init();
+ if (status != PSA_SUCCESS) {
+ mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+ (int) status);
+ goto exit;
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ if (argc < 2) {
+usage:
+ mbedtls_printf(USAGE);
+ goto exit;
+ }
+
+ opt.filename = DFL_FILENAME;
+ opt.password = DFL_PASSWORD;
+ opt.debug_level = DFL_DEBUG_LEVEL;
+ opt.output_file = DFL_OUTPUT_FILENAME;
+ opt.subject_name = DFL_SUBJECT_NAME;
+ opt.key_usage = DFL_KEY_USAGE;
+ opt.force_key_usage = DFL_FORCE_KEY_USAGE;
+ opt.ns_cert_type = DFL_NS_CERT_TYPE;
+ opt.force_ns_cert_type = DFL_FORCE_NS_CERT_TYPE;
+ opt.md_alg = DFL_MD_ALG;
+ opt.san_list = NULL;
+
+ for (i = 1; i < argc; i++) {
+ p = argv[i];
+ if ((q = strchr(p, '=')) == NULL) {
+ goto usage;
+ }
+ *q++ = '\0';
+ if (strcmp(p, "filename") == 0) {
+ opt.filename = q;
+ } else if (strcmp(p, "password") == 0) {
+ opt.password = q;
+ } else if (strcmp(p, "output_file") == 0) {
+ opt.output_file = q;
+ } else if (strcmp(p, "debug_level") == 0) {
+ opt.debug_level = atoi(q);
+ if (opt.debug_level < 0 || opt.debug_level > 65535) {
+ goto usage;
+ }
+ } else if (strcmp(p, "subject_name") == 0) {
+ opt.subject_name = q;
+ } else if (strcmp(p, "san") == 0) {
+ char *subtype_value;
+ prev = NULL;
+
+ while (q != NULL) {
+ char *semicolon;
+ r = q;
+
+ /* Find the first non-escaped ; occurrence and remove escaped ones */
+ do {
+ if ((semicolon = strchr(r, ';')) != NULL) {
+ if (*(semicolon-1) != '\\') {
+ r = semicolon;
+ break;
+ }
+ /* Remove the escape character */
+ size_t size_left = strlen(semicolon);
+ memmove(semicolon-1, semicolon, size_left);
+ *(semicolon + size_left - 1) = '\0';
+ /* r will now point at the character after the semicolon */
+ r = semicolon;
+ }
+
+ } while (semicolon != NULL);
+
+ if (semicolon != NULL) {
+ *r++ = '\0';
+ } else {
+ r = NULL;
+ }
+
+ cur = mbedtls_calloc(1, sizeof(mbedtls_x509_san_list));
+ if (cur == NULL) {
+ mbedtls_printf("Not enough memory for subjectAltName list\n");
+ goto usage;
+ }
+
+ cur->next = NULL;
+
+ if ((subtype_value = strchr(q, ':')) != NULL) {
+ *subtype_value++ = '\0';
+ } else {
+ mbedtls_printf(
+ "Invalid argument for option SAN: Entry must be of the form TYPE:value\n");
+ goto usage;
+ }
+ if (strcmp(q, "RFC822") == 0) {
+ cur->node.type = MBEDTLS_X509_SAN_RFC822_NAME;
+ } else if (strcmp(q, "URI") == 0) {
+ cur->node.type = MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER;
+ } else if (strcmp(q, "DNS") == 0) {
+ cur->node.type = MBEDTLS_X509_SAN_DNS_NAME;
+ } else if (strcmp(q, "IP") == 0) {
+ size_t ip_addr_len = 0;
+ cur->node.type = MBEDTLS_X509_SAN_IP_ADDRESS;
+ ip_addr_len = mbedtls_x509_crt_parse_cn_inet_pton(subtype_value, ip);
+ if (ip_addr_len == 0) {
+ mbedtls_printf("mbedtls_x509_crt_parse_cn_inet_pton failed to parse %s\n",
+ subtype_value);
+ goto exit;
+ }
+ cur->node.san.unstructured_name.p = (unsigned char *) ip;
+ cur->node.san.unstructured_name.len = sizeof(ip);
+ } else if (strcmp(q, "DN") == 0) {
+ cur->node.type = MBEDTLS_X509_SAN_DIRECTORY_NAME;
+ if ((ret = mbedtls_x509_string_to_names(&ext_san_dirname,
+ subtype_value)) != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(
+ " failed\n ! mbedtls_x509_string_to_names "
+ "returned -0x%04x - %s\n\n",
+ (unsigned int) -ret, buf);
+ goto exit;
+ }
+ cur->node.san.directory_name = *ext_san_dirname;
+ } else {
+ mbedtls_free(cur);
+ goto usage;
+ }
+
+ if (cur->node.type == MBEDTLS_X509_SAN_RFC822_NAME ||
+ cur->node.type == MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER ||
+ cur->node.type == MBEDTLS_X509_SAN_DNS_NAME) {
+ q = subtype_value;
+ cur->node.san.unstructured_name.p = (unsigned char *) q;
+ cur->node.san.unstructured_name.len = strlen(q);
+ }
+
+ if (prev == NULL) {
+ opt.san_list = cur;
+ } else {
+ prev->next = cur;
+ }
+
+ prev = cur;
+ q = r;
+ }
+ } else if (strcmp(p, "md") == 0) {
+ const mbedtls_md_info_t *md_info =
+ mbedtls_md_info_from_string(q);
+ if (md_info == NULL) {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ opt.md_alg = mbedtls_md_get_type(md_info);
+ } else if (strcmp(p, "key_usage") == 0) {
+ while (q != NULL) {
+ if ((r = strchr(q, ',')) != NULL) {
+ *r++ = '\0';
+ }
+
+ if (strcmp(q, "digital_signature") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_DIGITAL_SIGNATURE;
+ } else if (strcmp(q, "non_repudiation") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_NON_REPUDIATION;
+ } else if (strcmp(q, "key_encipherment") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_KEY_ENCIPHERMENT;
+ } else if (strcmp(q, "data_encipherment") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_DATA_ENCIPHERMENT;
+ } else if (strcmp(q, "key_agreement") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_KEY_AGREEMENT;
+ } else if (strcmp(q, "key_cert_sign") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_KEY_CERT_SIGN;
+ } else if (strcmp(q, "crl_sign") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_CRL_SIGN;
+ } else {
+ goto usage;
+ }
+
+ q = r;
+ }
+ } else if (strcmp(p, "force_key_usage") == 0) {
+ switch (atoi(q)) {
+ case 0: opt.force_key_usage = 0; break;
+ case 1: opt.force_key_usage = 1; break;
+ default: goto usage;
+ }
+ } else if (strcmp(p, "ns_cert_type") == 0) {
+ while (q != NULL) {
+ if ((r = strchr(q, ',')) != NULL) {
+ *r++ = '\0';
+ }
+
+ if (strcmp(q, "ssl_client") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CLIENT;
+ } else if (strcmp(q, "ssl_server") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER;
+ } else if (strcmp(q, "email") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL;
+ } else if (strcmp(q, "object_signing") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING;
+ } else if (strcmp(q, "ssl_ca") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CA;
+ } else if (strcmp(q, "email_ca") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL_CA;
+ } else if (strcmp(q, "object_signing_ca") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING_CA;
+ } else {
+ goto usage;
+ }
+
+ q = r;
+ }
+ } else if (strcmp(p, "force_ns_cert_type") == 0) {
+ switch (atoi(q)) {
+ case 0: opt.force_ns_cert_type = 0; break;
+ case 1: opt.force_ns_cert_type = 1; break;
+ default: goto usage;
+ }
+ } else {
+ goto usage;
+ }
+ }
+
+ /* Set the MD algorithm to use for the signature in the CSR */
+ mbedtls_x509write_csr_set_md_alg(&req, opt.md_alg);
+
+ /* Set the Key Usage Extension flags in the CSR */
+ if (opt.key_usage || opt.force_key_usage == 1) {
+ ret = mbedtls_x509write_csr_set_key_usage(&req, opt.key_usage);
+
+ if (ret != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_x509write_csr_set_key_usage returned %d", ret);
+ goto exit;
+ }
+ }
+
+ /* Set the Cert Type flags in the CSR */
+ if (opt.ns_cert_type || opt.force_ns_cert_type == 1) {
+ ret = mbedtls_x509write_csr_set_ns_cert_type(&req, opt.ns_cert_type);
+
+ if (ret != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_x509write_csr_set_ns_cert_type returned %d", ret);
+ goto exit;
+ }
+ }
+
+ /* Set the SubjectAltName in the CSR */
+ if (opt.san_list != NULL) {
+ ret = mbedtls_x509write_csr_set_subject_alternative_name(&req, opt.san_list);
+
+ if (ret != 0) {
+ mbedtls_printf(
+ " failed\n ! mbedtls_x509write_csr_set_subject_alternative_name returned %d",
+ ret);
+ goto exit;
+ }
+ }
+
+ /*
+ * 0. Seed the PRNG
+ */
+ mbedtls_printf(" . Seeding the random number generator...");
+ fflush(stdout);
+
+ if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen(pers))) != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_ctr_drbg_seed returned %d", ret);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ /*
+ * 1.0. Check the subject name for validity
+ */
+ mbedtls_printf(" . Checking subject name...");
+ fflush(stdout);
+
+ if ((ret = mbedtls_x509write_csr_set_subject_name(&req, opt.subject_name)) != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_x509write_csr_set_subject_name returned %d", ret);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ /*
+ * 1.1. Load the key
+ */
+ mbedtls_printf(" . Loading the private key ...");
+ fflush(stdout);
+
+ ret = mbedtls_pk_parse_keyfile(&key, opt.filename, opt.password,
+ mbedtls_ctr_drbg_random, &ctr_drbg);
+
+ if (ret != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_pk_parse_keyfile returned %d", ret);
+ goto exit;
+ }
+
+ mbedtls_x509write_csr_set_key(&req, &key);
+
+ mbedtls_printf(" ok\n");
+
+ /*
+ * 1.2. Writing the request
+ */
+ mbedtls_printf(" . Writing the certificate request ...");
+ fflush(stdout);
+
+ if ((ret = write_certificate_request(&req, opt.output_file,
+ mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+ mbedtls_printf(" failed\n ! write_certificate_request %d", ret);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+
+ if (exit_code != MBEDTLS_EXIT_SUCCESS) {
+#ifdef MBEDTLS_ERROR_C
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" - %s\n", buf);
+#else
+ mbedtls_printf("\n");
+#endif
+ }
+
+ mbedtls_x509write_csr_free(&req);
+ mbedtls_asn1_free_named_data_list(&ext_san_dirname);
+ mbedtls_pk_free(&key);
+ mbedtls_ctr_drbg_free(&ctr_drbg);
+ mbedtls_entropy_free(&entropy);
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ mbedtls_psa_crypto_free();
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ cur = opt.san_list;
+ while (cur != NULL) {
+ prev = cur;
+ cur = cur->next;
+ mbedtls_free(prev);
+ }
+
+
+ mbedtls_exit(exit_code);
+}
+#endif /* MBEDTLS_X509_CSR_WRITE_C && MBEDTLS_PK_PARSE_C && MBEDTLS_FS_IO &&
+ MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_PEM_WRITE_C */
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
new file mode 100644
index 0000000..0b2575e
--- /dev/null
+++ b/programs/x509/cert_write.c
@@ -0,0 +1,1016 @@
+/*
+ * Certificate generation and signing
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#include "mbedtls/build_info.h"
+
+#include "mbedtls/platform.h"
+/* md.h is included this early since MD_CAN_XXX macros are defined there. */
+#include "mbedtls/md.h"
+
+#if !defined(MBEDTLS_X509_CRT_WRITE_C) || \
+ !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
+ !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
+ !defined(MBEDTLS_ERROR_C) || !defined(MBEDTLS_MD_CAN_SHA256) || \
+ !defined(MBEDTLS_PEM_WRITE_C) || !defined(MBEDTLS_MD_C)
+int main(void)
+{
+ mbedtls_printf("MBEDTLS_X509_CRT_WRITE_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
+ "MBEDTLS_FS_IO and/or MBEDTLS_MD_CAN_SHA256 and/or "
+ "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+ "MBEDTLS_ERROR_C not defined.\n");
+ mbedtls_exit(0);
+}
+#else
+
+#include "mbedtls/x509_crt.h"
+#include "mbedtls/x509_csr.h"
+#include "mbedtls/oid.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/error.h"
+#include "test/helpers.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#define SET_OID(x, oid) \
+ do { x.len = MBEDTLS_OID_SIZE(oid); x.p = (unsigned char *) oid; } while (0)
+
+#if defined(MBEDTLS_X509_CSR_PARSE_C)
+#define USAGE_CSR \
+ " request_file=%%s default: (empty)\n" \
+ " If request_file is specified, subject_key,\n" \
+ " subject_pwd and subject_name are ignored!\n"
+#else
+#define USAGE_CSR ""
+#endif /* MBEDTLS_X509_CSR_PARSE_C */
+
+#define FORMAT_PEM 0
+#define FORMAT_DER 1
+
+#define DFL_ISSUER_CRT ""
+#define DFL_REQUEST_FILE ""
+#define DFL_SUBJECT_KEY "subject.key"
+#define DFL_ISSUER_KEY "ca.key"
+#define DFL_SUBJECT_PWD ""
+#define DFL_ISSUER_PWD ""
+#define DFL_OUTPUT_FILENAME "cert.crt"
+#define DFL_SUBJECT_NAME "CN=Cert,O=mbed TLS,C=UK"
+#define DFL_ISSUER_NAME "CN=CA,O=mbed TLS,C=UK"
+#define DFL_NOT_BEFORE "20010101000000"
+#define DFL_NOT_AFTER "20301231235959"
+#define DFL_SERIAL "1"
+#define DFL_SERIAL_HEX "1"
+#define DFL_EXT_SUBJECTALTNAME ""
+#define DFL_SELFSIGN 0
+#define DFL_IS_CA 0
+#define DFL_MAX_PATHLEN -1
+#define DFL_SIG_ALG MBEDTLS_MD_SHA256
+#define DFL_KEY_USAGE 0
+#define DFL_EXT_KEY_USAGE NULL
+#define DFL_NS_CERT_TYPE 0
+#define DFL_VERSION 3
+#define DFL_AUTH_IDENT 1
+#define DFL_SUBJ_IDENT 1
+#define DFL_CONSTRAINTS 1
+#define DFL_DIGEST MBEDTLS_MD_SHA256
+#define DFL_FORMAT FORMAT_PEM
+
+#define USAGE \
+ "\n usage: cert_write param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ USAGE_CSR \
+ " subject_key=%%s default: subject.key\n" \
+ " subject_pwd=%%s default: (empty)\n" \
+ " subject_name=%%s default: CN=Cert,O=mbed TLS,C=UK\n" \
+ "\n" \
+ " issuer_crt=%%s default: (empty)\n" \
+ " If issuer_crt is specified, issuer_name is\n" \
+ " ignored!\n" \
+ " issuer_name=%%s default: CN=CA,O=mbed TLS,C=UK\n" \
+ "\n" \
+ " selfsign=%%d default: 0 (false)\n" \
+ " If selfsign is enabled, issuer_name and\n" \
+ " issuer_key are required (issuer_crt and\n" \
+ " subject_* are ignored\n" \
+ " issuer_key=%%s default: ca.key\n" \
+ " issuer_pwd=%%s default: (empty)\n" \
+ " output_file=%%s default: cert.crt\n" \
+ " serial=%%s default: 1\n" \
+ " In decimal format; it can be used as\n" \
+ " alternative to serial_hex, but it's\n" \
+ " limited in max length to\n" \
+ " unsigned long long int\n" \
+ " serial_hex=%%s default: 1\n" \
+ " In hex format; it can be used as\n" \
+ " alternative to serial\n" \
+ " not_before=%%s default: 20010101000000\n" \
+ " not_after=%%s default: 20301231235959\n" \
+ " is_ca=%%d default: 0 (disabled)\n" \
+ " max_pathlen=%%d default: -1 (none)\n" \
+ " md=%%s default: SHA256\n" \
+ " Supported values (if enabled):\n" \
+ " MD5, RIPEMD160, SHA1,\n" \
+ " SHA224, SHA256, SHA384, SHA512\n" \
+ " version=%%d default: 3\n" \
+ " Possible values: 1, 2, 3\n" \
+ " subject_identifier=%%s default: 1\n" \
+ " Possible values: 0, 1\n" \
+ " (Considered for v3 only)\n" \
+ " san=%%s default: (none)\n" \
+ " Semicolon-separated-list of values:\n" \
+ " DNS:value\n" \
+ " URI:value\n" \
+ " RFC822:value\n" \
+ " IP:value (Only IPv4 is supported)\n" \
+ " DN:list of comma separated key=value pairs\n" \
+ " authority_identifier=%%s default: 1\n" \
+ " Possible values: 0, 1\n" \
+ " (Considered for v3 only)\n" \
+ " basic_constraints=%%d default: 1\n" \
+ " Possible values: 0, 1\n" \
+ " (Considered for v3 only)\n" \
+ " key_usage=%%s default: (empty)\n" \
+ " Comma-separated-list of values:\n" \
+ " digital_signature\n" \
+ " non_repudiation\n" \
+ " key_encipherment\n" \
+ " data_encipherment\n" \
+ " key_agreement\n" \
+ " key_cert_sign\n" \
+ " crl_sign\n" \
+ " (Considered for v3 only)\n" \
+ " ext_key_usage=%%s default: (empty)\n" \
+ " Comma-separated-list of values:\n" \
+ " serverAuth\n" \
+ " clientAuth\n" \
+ " codeSigning\n" \
+ " emailProtection\n" \
+ " timeStamping\n" \
+ " OCSPSigning\n" \
+ " ns_cert_type=%%s default: (empty)\n" \
+ " Comma-separated-list of values:\n" \
+ " ssl_client\n" \
+ " ssl_server\n" \
+ " email\n" \
+ " object_signing\n" \
+ " ssl_ca\n" \
+ " email_ca\n" \
+ " object_signing_ca\n" \
+ " format=pem|der default: pem\n" \
+ "\n"
+
+typedef enum {
+ SERIAL_FRMT_UNSPEC,
+ SERIAL_FRMT_DEC,
+ SERIAL_FRMT_HEX
+} serial_format_t;
+
+/*
+ * global options
+ */
+struct options {
+ const char *issuer_crt; /* filename of the issuer certificate */
+ const char *request_file; /* filename of the certificate request */
+ const char *subject_key; /* filename of the subject key file */
+ const char *issuer_key; /* filename of the issuer key file */
+ const char *subject_pwd; /* password for the subject key file */
+ const char *issuer_pwd; /* password for the issuer key file */
+ const char *output_file; /* where to store the constructed CRT */
+ const char *subject_name; /* subject name for certificate */
+ mbedtls_x509_san_list *san_list; /* subjectAltName for certificate */
+ const char *issuer_name; /* issuer name for certificate */
+ const char *not_before; /* validity period not before */
+ const char *not_after; /* validity period not after */
+ const char *serial; /* serial number string (decimal) */
+ const char *serial_hex; /* serial number string (hex) */
+ int selfsign; /* selfsign the certificate */
+ int is_ca; /* is a CA certificate */
+ int max_pathlen; /* maximum CA path length */
+ int authority_identifier; /* add authority identifier to CRT */
+ int subject_identifier; /* add subject identifier to CRT */
+ int basic_constraints; /* add basic constraints ext to CRT */
+ int version; /* CRT version */
+ mbedtls_md_type_t md; /* Hash used for signing */
+ unsigned char key_usage; /* key usage flags */
+ mbedtls_asn1_sequence *ext_key_usage; /* extended key usages */
+ unsigned char ns_cert_type; /* NS cert type */
+ int format; /* format */
+} opt;
+
+int write_certificate(mbedtls_x509write_cert *crt, const char *output_file,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng)
+{
+ int ret;
+ FILE *f;
+ unsigned char output_buf[4096];
+ unsigned char *output_start;
+ size_t len = 0;
+
+ memset(output_buf, 0, 4096);
+ if (opt.format == FORMAT_DER) {
+ ret = mbedtls_x509write_crt_der(crt, output_buf, 4096,
+ f_rng, p_rng);
+ if (ret < 0) {
+ return ret;
+ }
+
+ len = ret;
+ output_start = output_buf + 4096 - len;
+ } else {
+ ret = mbedtls_x509write_crt_pem(crt, output_buf, 4096,
+ f_rng, p_rng);
+ if (ret < 0) {
+ return ret;
+ }
+
+ len = strlen((char *) output_buf);
+ output_start = output_buf;
+ }
+
+ if ((f = fopen(output_file, "w")) == NULL) {
+ return -1;
+ }
+
+ if (fwrite(output_start, 1, len, f) != len) {
+ fclose(f);
+ return -1;
+ }
+
+ fclose(f);
+
+ return 0;
+}
+
+int parse_serial_decimal_format(unsigned char *obuf, size_t obufmax,
+ const char *ibuf, size_t *len)
+{
+ unsigned long long int dec;
+ unsigned int remaining_bytes = sizeof(dec);
+ unsigned char *p = obuf;
+ unsigned char val;
+ char *end_ptr = NULL;
+
+ errno = 0;
+ dec = strtoull(ibuf, &end_ptr, 10);
+
+ if ((errno != 0) || (end_ptr == ibuf)) {
+ return -1;
+ }
+
+ *len = 0;
+
+ while (remaining_bytes > 0) {
+ if (obufmax < (*len + 1)) {
+ return -1;
+ }
+
+ val = (dec >> ((remaining_bytes - 1) * 8)) & 0xFF;
+
+ /* Skip leading zeros */
+ if ((val != 0) || (*len != 0)) {
+ *p = val;
+ (*len)++;
+ p++;
+ }
+
+ remaining_bytes--;
+ }
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int ret = 1;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ mbedtls_x509_crt issuer_crt;
+ mbedtls_pk_context loaded_issuer_key, loaded_subject_key;
+ mbedtls_pk_context *issuer_key = &loaded_issuer_key,
+ *subject_key = &loaded_subject_key;
+ char buf[1024];
+ char issuer_name[256];
+ int i;
+ char *p, *q, *r;
+#if defined(MBEDTLS_X509_CSR_PARSE_C)
+ char subject_name[256];
+ mbedtls_x509_csr csr;
+#endif
+ mbedtls_x509write_cert crt;
+ serial_format_t serial_frmt = SERIAL_FRMT_UNSPEC;
+ unsigned char serial[MBEDTLS_X509_RFC5280_MAX_SERIAL_LEN];
+ size_t serial_len;
+ mbedtls_asn1_sequence *ext_key_usage;
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ const char *pers = "crt example app";
+ mbedtls_x509_san_list *cur, *prev;
+ mbedtls_asn1_named_data *ext_san_dirname = NULL;
+ uint8_t ip[4] = { 0 };
+ /*
+ * Set to sane values
+ */
+ mbedtls_x509write_crt_init(&crt);
+ mbedtls_pk_init(&loaded_issuer_key);
+ mbedtls_pk_init(&loaded_subject_key);
+ mbedtls_ctr_drbg_init(&ctr_drbg);
+ mbedtls_entropy_init(&entropy);
+#if defined(MBEDTLS_X509_CSR_PARSE_C)
+ mbedtls_x509_csr_init(&csr);
+#endif
+ mbedtls_x509_crt_init(&issuer_crt);
+ memset(buf, 0, sizeof(buf));
+ memset(serial, 0, sizeof(serial));
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_status_t status = psa_crypto_init();
+ if (status != PSA_SUCCESS) {
+ mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+ (int) status);
+ goto exit;
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ if (argc < 2) {
+usage:
+ mbedtls_printf(USAGE);
+ goto exit;
+ }
+
+ opt.issuer_crt = DFL_ISSUER_CRT;
+ opt.request_file = DFL_REQUEST_FILE;
+ opt.subject_key = DFL_SUBJECT_KEY;
+ opt.issuer_key = DFL_ISSUER_KEY;
+ opt.subject_pwd = DFL_SUBJECT_PWD;
+ opt.issuer_pwd = DFL_ISSUER_PWD;
+ opt.output_file = DFL_OUTPUT_FILENAME;
+ opt.subject_name = DFL_SUBJECT_NAME;
+ opt.issuer_name = DFL_ISSUER_NAME;
+ opt.not_before = DFL_NOT_BEFORE;
+ opt.not_after = DFL_NOT_AFTER;
+ opt.serial = DFL_SERIAL;
+ opt.serial_hex = DFL_SERIAL_HEX;
+ opt.selfsign = DFL_SELFSIGN;
+ opt.is_ca = DFL_IS_CA;
+ opt.max_pathlen = DFL_MAX_PATHLEN;
+ opt.key_usage = DFL_KEY_USAGE;
+ opt.ext_key_usage = DFL_EXT_KEY_USAGE;
+ opt.ns_cert_type = DFL_NS_CERT_TYPE;
+ opt.version = DFL_VERSION - 1;
+ opt.md = DFL_DIGEST;
+ opt.subject_identifier = DFL_SUBJ_IDENT;
+ opt.authority_identifier = DFL_AUTH_IDENT;
+ opt.basic_constraints = DFL_CONSTRAINTS;
+ opt.format = DFL_FORMAT;
+ opt.san_list = NULL;
+
+ for (i = 1; i < argc; i++) {
+
+ p = argv[i];
+ if ((q = strchr(p, '=')) == NULL) {
+ goto usage;
+ }
+ *q++ = '\0';
+
+ if (strcmp(p, "request_file") == 0) {
+ opt.request_file = q;
+ } else if (strcmp(p, "subject_key") == 0) {
+ opt.subject_key = q;
+ } else if (strcmp(p, "issuer_key") == 0) {
+ opt.issuer_key = q;
+ } else if (strcmp(p, "subject_pwd") == 0) {
+ opt.subject_pwd = q;
+ } else if (strcmp(p, "issuer_pwd") == 0) {
+ opt.issuer_pwd = q;
+ } else if (strcmp(p, "issuer_crt") == 0) {
+ opt.issuer_crt = q;
+ } else if (strcmp(p, "output_file") == 0) {
+ opt.output_file = q;
+ } else if (strcmp(p, "subject_name") == 0) {
+ opt.subject_name = q;
+ } else if (strcmp(p, "issuer_name") == 0) {
+ opt.issuer_name = q;
+ } else if (strcmp(p, "not_before") == 0) {
+ opt.not_before = q;
+ } else if (strcmp(p, "not_after") == 0) {
+ opt.not_after = q;
+ } else if (strcmp(p, "serial") == 0) {
+ if (serial_frmt != SERIAL_FRMT_UNSPEC) {
+ mbedtls_printf("Invalid attempt to set the serial more than once\n");
+ goto usage;
+ }
+ serial_frmt = SERIAL_FRMT_DEC;
+ opt.serial = q;
+ } else if (strcmp(p, "serial_hex") == 0) {
+ if (serial_frmt != SERIAL_FRMT_UNSPEC) {
+ mbedtls_printf("Invalid attempt to set the serial more than once\n");
+ goto usage;
+ }
+ serial_frmt = SERIAL_FRMT_HEX;
+ opt.serial_hex = q;
+ } else if (strcmp(p, "authority_identifier") == 0) {
+ opt.authority_identifier = atoi(q);
+ if (opt.authority_identifier != 0 &&
+ opt.authority_identifier != 1) {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ } else if (strcmp(p, "subject_identifier") == 0) {
+ opt.subject_identifier = atoi(q);
+ if (opt.subject_identifier != 0 &&
+ opt.subject_identifier != 1) {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ } else if (strcmp(p, "basic_constraints") == 0) {
+ opt.basic_constraints = atoi(q);
+ if (opt.basic_constraints != 0 &&
+ opt.basic_constraints != 1) {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ } else if (strcmp(p, "md") == 0) {
+ const mbedtls_md_info_t *md_info =
+ mbedtls_md_info_from_string(q);
+ if (md_info == NULL) {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ opt.md = mbedtls_md_get_type(md_info);
+ } else if (strcmp(p, "version") == 0) {
+ opt.version = atoi(q);
+ if (opt.version < 1 || opt.version > 3) {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ opt.version--;
+ } else if (strcmp(p, "selfsign") == 0) {
+ opt.selfsign = atoi(q);
+ if (opt.selfsign < 0 || opt.selfsign > 1) {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ } else if (strcmp(p, "is_ca") == 0) {
+ opt.is_ca = atoi(q);
+ if (opt.is_ca < 0 || opt.is_ca > 1) {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ } else if (strcmp(p, "max_pathlen") == 0) {
+ opt.max_pathlen = atoi(q);
+ if (opt.max_pathlen < -1 || opt.max_pathlen > 127) {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ } else if (strcmp(p, "key_usage") == 0) {
+ while (q != NULL) {
+ if ((r = strchr(q, ',')) != NULL) {
+ *r++ = '\0';
+ }
+
+ if (strcmp(q, "digital_signature") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_DIGITAL_SIGNATURE;
+ } else if (strcmp(q, "non_repudiation") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_NON_REPUDIATION;
+ } else if (strcmp(q, "key_encipherment") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_KEY_ENCIPHERMENT;
+ } else if (strcmp(q, "data_encipherment") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_DATA_ENCIPHERMENT;
+ } else if (strcmp(q, "key_agreement") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_KEY_AGREEMENT;
+ } else if (strcmp(q, "key_cert_sign") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_KEY_CERT_SIGN;
+ } else if (strcmp(q, "crl_sign") == 0) {
+ opt.key_usage |= MBEDTLS_X509_KU_CRL_SIGN;
+ } else {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+
+ q = r;
+ }
+ } else if (strcmp(p, "ext_key_usage") == 0) {
+ mbedtls_asn1_sequence **tail = &opt.ext_key_usage;
+
+ while (q != NULL) {
+ if ((r = strchr(q, ',')) != NULL) {
+ *r++ = '\0';
+ }
+
+ ext_key_usage = mbedtls_calloc(1, sizeof(mbedtls_asn1_sequence));
+ ext_key_usage->buf.tag = MBEDTLS_ASN1_OID;
+ if (strcmp(q, "serverAuth") == 0) {
+ SET_OID(ext_key_usage->buf, MBEDTLS_OID_SERVER_AUTH);
+ } else if (strcmp(q, "clientAuth") == 0) {
+ SET_OID(ext_key_usage->buf, MBEDTLS_OID_CLIENT_AUTH);
+ } else if (strcmp(q, "codeSigning") == 0) {
+ SET_OID(ext_key_usage->buf, MBEDTLS_OID_CODE_SIGNING);
+ } else if (strcmp(q, "emailProtection") == 0) {
+ SET_OID(ext_key_usage->buf, MBEDTLS_OID_EMAIL_PROTECTION);
+ } else if (strcmp(q, "timeStamping") == 0) {
+ SET_OID(ext_key_usage->buf, MBEDTLS_OID_TIME_STAMPING);
+ } else if (strcmp(q, "OCSPSigning") == 0) {
+ SET_OID(ext_key_usage->buf, MBEDTLS_OID_OCSP_SIGNING);
+ } else if (strcmp(q, "any") == 0) {
+ SET_OID(ext_key_usage->buf, MBEDTLS_OID_ANY_EXTENDED_KEY_USAGE);
+ } else {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+
+ *tail = ext_key_usage;
+ tail = &ext_key_usage->next;
+
+ q = r;
+ }
+ } else if (strcmp(p, "san") == 0) {
+ char *subtype_value;
+ prev = NULL;
+
+ while (q != NULL) {
+ char *semicolon;
+ r = q;
+
+ /* Find the first non-escaped ; occurrence and remove escaped ones */
+ do {
+ if ((semicolon = strchr(r, ';')) != NULL) {
+ if (*(semicolon-1) != '\\') {
+ r = semicolon;
+ break;
+ }
+ /* Remove the escape character */
+ size_t size_left = strlen(semicolon);
+ memmove(semicolon-1, semicolon, size_left);
+ *(semicolon + size_left - 1) = '\0';
+ /* r will now point at the character after the semicolon */
+ r = semicolon;
+ }
+
+ } while (semicolon != NULL);
+
+ if (semicolon != NULL) {
+ *r++ = '\0';
+ } else {
+ r = NULL;
+ }
+
+ cur = mbedtls_calloc(1, sizeof(mbedtls_x509_san_list));
+ if (cur == NULL) {
+ mbedtls_printf("Not enough memory for subjectAltName list\n");
+ goto usage;
+ }
+
+ cur->next = NULL;
+
+ if ((subtype_value = strchr(q, ':')) != NULL) {
+ *subtype_value++ = '\0';
+ } else {
+ mbedtls_printf(
+ "Invalid argument for option SAN: Entry must be of the form TYPE:value\n");
+ goto usage;
+ }
+ if (strcmp(q, "RFC822") == 0) {
+ cur->node.type = MBEDTLS_X509_SAN_RFC822_NAME;
+ } else if (strcmp(q, "URI") == 0) {
+ cur->node.type = MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER;
+ } else if (strcmp(q, "DNS") == 0) {
+ cur->node.type = MBEDTLS_X509_SAN_DNS_NAME;
+ } else if (strcmp(q, "IP") == 0) {
+ size_t ip_addr_len = 0;
+ cur->node.type = MBEDTLS_X509_SAN_IP_ADDRESS;
+ ip_addr_len = mbedtls_x509_crt_parse_cn_inet_pton(subtype_value, ip);
+ if (ip_addr_len == 0) {
+ mbedtls_printf("mbedtls_x509_crt_parse_cn_inet_pton failed to parse %s\n",
+ subtype_value);
+ goto exit;
+ }
+ cur->node.san.unstructured_name.p = (unsigned char *) ip;
+ cur->node.san.unstructured_name.len = sizeof(ip);
+ } else if (strcmp(q, "DN") == 0) {
+ cur->node.type = MBEDTLS_X509_SAN_DIRECTORY_NAME;
+ if ((ret = mbedtls_x509_string_to_names(&ext_san_dirname,
+ subtype_value)) != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(
+ " failed\n ! mbedtls_x509_string_to_names "
+ "returned -0x%04x - %s\n\n",
+ (unsigned int) -ret, buf);
+ goto exit;
+ }
+ cur->node.san.directory_name = *ext_san_dirname;
+ } else {
+ mbedtls_free(cur);
+ goto usage;
+ }
+
+ if (cur->node.type == MBEDTLS_X509_SAN_RFC822_NAME ||
+ cur->node.type == MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER ||
+ cur->node.type == MBEDTLS_X509_SAN_DNS_NAME) {
+ q = subtype_value;
+ cur->node.san.unstructured_name.p = (unsigned char *) q;
+ cur->node.san.unstructured_name.len = strlen(q);
+ }
+
+ if (prev == NULL) {
+ opt.san_list = cur;
+ } else {
+ prev->next = cur;
+ }
+
+ prev = cur;
+ q = r;
+ }
+ } else if (strcmp(p, "ns_cert_type") == 0) {
+ while (q != NULL) {
+ if ((r = strchr(q, ',')) != NULL) {
+ *r++ = '\0';
+ }
+
+ if (strcmp(q, "ssl_client") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CLIENT;
+ } else if (strcmp(q, "ssl_server") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_SERVER;
+ } else if (strcmp(q, "email") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL;
+ } else if (strcmp(q, "object_signing") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING;
+ } else if (strcmp(q, "ssl_ca") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_SSL_CA;
+ } else if (strcmp(q, "email_ca") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_EMAIL_CA;
+ } else if (strcmp(q, "object_signing_ca") == 0) {
+ opt.ns_cert_type |= MBEDTLS_X509_NS_CERT_TYPE_OBJECT_SIGNING_CA;
+ } else {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+
+ q = r;
+ }
+ } else if (strcmp(p, "format") == 0) {
+ if (strcmp(q, "der") == 0) {
+ opt.format = FORMAT_DER;
+ } else if (strcmp(q, "pem") == 0) {
+ opt.format = FORMAT_PEM;
+ } else {
+ mbedtls_printf("Invalid argument for option %s\n", p);
+ goto usage;
+ }
+ } else {
+ goto usage;
+ }
+ }
+
+ mbedtls_printf("\n");
+
+ /*
+ * 0. Seed the PRNG
+ */
+ mbedtls_printf(" . Seeding the random number generator...");
+ fflush(stdout);
+
+ if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen(pers))) != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_ctr_drbg_seed returned %d - %s\n",
+ ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ // Parse serial to MPI
+ //
+ mbedtls_printf(" . Reading serial number...");
+ fflush(stdout);
+
+ if (serial_frmt == SERIAL_FRMT_HEX) {
+ ret = mbedtls_test_unhexify(serial, sizeof(serial),
+ opt.serial_hex, &serial_len);
+ } else { // SERIAL_FRMT_DEC || SERIAL_FRMT_UNSPEC
+ ret = parse_serial_decimal_format(serial, sizeof(serial),
+ opt.serial, &serial_len);
+ }
+
+ if (ret != 0) {
+ mbedtls_printf(" failed\n ! Unable to parse serial\n");
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ // Parse issuer certificate if present
+ //
+ if (!opt.selfsign && strlen(opt.issuer_crt)) {
+ /*
+ * 1.0.a. Load the certificates
+ */
+ mbedtls_printf(" . Loading the issuer certificate ...");
+ fflush(stdout);
+
+ if ((ret = mbedtls_x509_crt_parse_file(&issuer_crt, opt.issuer_crt)) != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse_file "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ ret = mbedtls_x509_dn_gets(issuer_name, sizeof(issuer_name),
+ &issuer_crt.subject);
+ if (ret < 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509_dn_gets "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ opt.issuer_name = issuer_name;
+
+ mbedtls_printf(" ok\n");
+ }
+
+#if defined(MBEDTLS_X509_CSR_PARSE_C)
+ // Parse certificate request if present
+ //
+ if (!opt.selfsign && strlen(opt.request_file)) {
+ /*
+ * 1.0.b. Load the CSR
+ */
+ mbedtls_printf(" . Loading the certificate request ...");
+ fflush(stdout);
+
+ if ((ret = mbedtls_x509_csr_parse_file(&csr, opt.request_file)) != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509_csr_parse_file "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ ret = mbedtls_x509_dn_gets(subject_name, sizeof(subject_name),
+ &csr.subject);
+ if (ret < 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509_dn_gets "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ opt.subject_name = subject_name;
+ subject_key = &csr.pk;
+
+ mbedtls_printf(" ok\n");
+ }
+#endif /* MBEDTLS_X509_CSR_PARSE_C */
+
+ /*
+ * 1.1. Load the keys
+ */
+ if (!opt.selfsign && !strlen(opt.request_file)) {
+ mbedtls_printf(" . Loading the subject key ...");
+ fflush(stdout);
+
+ ret = mbedtls_pk_parse_keyfile(&loaded_subject_key, opt.subject_key,
+ opt.subject_pwd, mbedtls_ctr_drbg_random, &ctr_drbg);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_pk_parse_keyfile "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+ }
+
+ mbedtls_printf(" . Loading the issuer key ...");
+ fflush(stdout);
+
+ ret = mbedtls_pk_parse_keyfile(&loaded_issuer_key, opt.issuer_key,
+ opt.issuer_pwd, mbedtls_ctr_drbg_random, &ctr_drbg);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_pk_parse_keyfile "
+ "returned -x%02x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ // Check if key and issuer certificate match
+ //
+ if (strlen(opt.issuer_crt)) {
+ if (mbedtls_pk_check_pair(&issuer_crt.pk, issuer_key,
+ mbedtls_ctr_drbg_random, &ctr_drbg) != 0) {
+ mbedtls_printf(" failed\n ! issuer_key does not match "
+ "issuer certificate\n\n");
+ goto exit;
+ }
+ }
+
+ mbedtls_printf(" ok\n");
+
+ if (opt.selfsign) {
+ opt.subject_name = opt.issuer_name;
+ subject_key = issuer_key;
+ }
+
+ mbedtls_x509write_crt_set_subject_key(&crt, subject_key);
+ mbedtls_x509write_crt_set_issuer_key(&crt, issuer_key);
+
+ /*
+ * 1.0. Check the names for validity
+ */
+ if ((ret = mbedtls_x509write_crt_set_subject_name(&crt, opt.subject_name)) != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509write_crt_set_subject_name "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ if ((ret = mbedtls_x509write_crt_set_issuer_name(&crt, opt.issuer_name)) != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509write_crt_set_issuer_name "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" . Setting certificate values ...");
+ fflush(stdout);
+
+ mbedtls_x509write_crt_set_version(&crt, opt.version);
+ mbedtls_x509write_crt_set_md_alg(&crt, opt.md);
+
+ ret = mbedtls_x509write_crt_set_serial_raw(&crt, serial, serial_len);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509write_crt_set_serial_raw "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ ret = mbedtls_x509write_crt_set_validity(&crt, opt.not_before, opt.not_after);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509write_crt_set_validity "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+ opt.basic_constraints != 0) {
+ mbedtls_printf(" . Adding the Basic Constraints extension ...");
+ fflush(stdout);
+
+ ret = mbedtls_x509write_crt_set_basic_constraints(&crt, opt.is_ca,
+ opt.max_pathlen);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! x509write_crt_set_basic_constraints "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+ }
+
+#if defined(MBEDTLS_MD_CAN_SHA1)
+ if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+ opt.subject_identifier != 0) {
+ mbedtls_printf(" . Adding the Subject Key Identifier ...");
+ fflush(stdout);
+
+ ret = mbedtls_x509write_crt_set_subject_key_identifier(&crt);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509write_crt_set_subject"
+ "_key_identifier returned -0x%04x - %s\n\n",
+ (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+ }
+
+ if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+ opt.authority_identifier != 0) {
+ mbedtls_printf(" . Adding the Authority Key Identifier ...");
+ fflush(stdout);
+
+ ret = mbedtls_x509write_crt_set_authority_key_identifier(&crt);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509write_crt_set_authority_"
+ "key_identifier returned -0x%04x - %s\n\n",
+ (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+ }
+#endif /* MBEDTLS_MD_CAN_SHA1 */
+
+ if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+ opt.key_usage != 0) {
+ mbedtls_printf(" . Adding the Key Usage extension ...");
+ fflush(stdout);
+
+ ret = mbedtls_x509write_crt_set_key_usage(&crt, opt.key_usage);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509write_crt_set_key_usage "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+ }
+
+ if (opt.san_list != NULL) {
+ ret = mbedtls_x509write_crt_set_subject_alternative_name(&crt, opt.san_list);
+
+ if (ret != 0) {
+ mbedtls_printf(
+ " failed\n ! mbedtls_x509write_crt_set_subject_alternative_name returned %d",
+ ret);
+ goto exit;
+ }
+ }
+
+ if (opt.ext_key_usage) {
+ mbedtls_printf(" . Adding the Extended Key Usage extension ...");
+ fflush(stdout);
+
+ ret = mbedtls_x509write_crt_set_ext_key_usage(&crt, opt.ext_key_usage);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(
+ " failed\n ! mbedtls_x509write_crt_set_ext_key_usage returned -0x%02x - %s\n\n",
+ (unsigned int) -ret,
+ buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+ }
+
+ if (opt.version == MBEDTLS_X509_CRT_VERSION_3 &&
+ opt.ns_cert_type != 0) {
+ mbedtls_printf(" . Adding the NS Cert Type extension ...");
+ fflush(stdout);
+
+ ret = mbedtls_x509write_crt_set_ns_cert_type(&crt, opt.ns_cert_type);
+ if (ret != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! mbedtls_x509write_crt_set_ns_cert_type "
+ "returned -0x%04x - %s\n\n", (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+ }
+
+ /*
+ * 1.2. Writing the certificate
+ */
+ mbedtls_printf(" . Writing the certificate...");
+ fflush(stdout);
+
+ if ((ret = write_certificate(&crt, opt.output_file,
+ mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) {
+ mbedtls_strerror(ret, buf, sizeof(buf));
+ mbedtls_printf(" failed\n ! write_certificate -0x%04x - %s\n\n",
+ (unsigned int) -ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+#if defined(MBEDTLS_X509_CSR_PARSE_C)
+ mbedtls_x509_csr_free(&csr);
+#endif /* MBEDTLS_X509_CSR_PARSE_C */
+ mbedtls_asn1_free_named_data_list(&ext_san_dirname);
+ mbedtls_x509_crt_free(&issuer_crt);
+ mbedtls_x509write_crt_free(&crt);
+ mbedtls_pk_free(&loaded_subject_key);
+ mbedtls_pk_free(&loaded_issuer_key);
+ mbedtls_ctr_drbg_free(&ctr_drbg);
+ mbedtls_entropy_free(&entropy);
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ mbedtls_psa_crypto_free();
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ mbedtls_exit(exit_code);
+}
+#endif /* MBEDTLS_X509_CRT_WRITE_C && MBEDTLS_X509_CRT_PARSE_C &&
+ MBEDTLS_FS_IO && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
+ MBEDTLS_ERROR_C && MBEDTLS_PEM_WRITE_C */
diff --git a/programs/x509/crl_app.c b/programs/x509/crl_app.c
new file mode 100644
index 0000000..5e3fd5a
--- /dev/null
+++ b/programs/x509/crl_app.c
@@ -0,0 +1,132 @@
+/*
+ * CRL reading application
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#include "mbedtls/build_info.h"
+
+#include "mbedtls/platform.h"
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) || \
+ !defined(MBEDTLS_X509_CRL_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
+ defined(MBEDTLS_X509_REMOVE_INFO)
+int main(void)
+{
+ mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_X509_CRL_PARSE_C and/or MBEDTLS_FS_IO not defined and/or "
+ "MBEDTLS_X509_REMOVE_INFO defined.\n");
+ mbedtls_exit(0);
+}
+#else
+
+#include "mbedtls/x509_crl.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define DFL_FILENAME "crl.pem"
+#define DFL_DEBUG_LEVEL 0
+
+#define USAGE \
+ "\n usage: crl_app param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ " filename=%%s default: crl.pem\n" \
+ "\n"
+
+
+/*
+ * global options
+ */
+struct options {
+ const char *filename; /* filename of the certificate file */
+} opt;
+
+int main(int argc, char *argv[])
+{
+ int ret = 1;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ unsigned char buf[100000];
+ mbedtls_x509_crl crl;
+ int i;
+ char *p, *q;
+
+ /*
+ * Set to sane values
+ */
+ mbedtls_x509_crl_init(&crl);
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_status_t status = psa_crypto_init();
+ if (status != PSA_SUCCESS) {
+ mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+ (int) status);
+ goto exit;
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ if (argc < 2) {
+usage:
+ mbedtls_printf(USAGE);
+ goto exit;
+ }
+
+ opt.filename = DFL_FILENAME;
+
+ for (i = 1; i < argc; i++) {
+ p = argv[i];
+ if ((q = strchr(p, '=')) == NULL) {
+ goto usage;
+ }
+ *q++ = '\0';
+
+ if (strcmp(p, "filename") == 0) {
+ opt.filename = q;
+ } else {
+ goto usage;
+ }
+ }
+
+ /*
+ * 1.1. Load the CRL
+ */
+ mbedtls_printf("\n . Loading the CRL ...");
+ fflush(stdout);
+
+ ret = mbedtls_x509_crl_parse_file(&crl, opt.filename);
+
+ if (ret != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_crl_parse_file returned %d\n\n", ret);
+ mbedtls_x509_crl_free(&crl);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ /*
+ * 1.2 Print the CRL
+ */
+ mbedtls_printf(" . CRL information ...\n");
+ ret = mbedtls_x509_crl_info((char *) buf, sizeof(buf) - 1, " ", &crl);
+ if (ret == -1) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_crl_info returned %d\n\n", ret);
+ mbedtls_x509_crl_free(&crl);
+ goto exit;
+ }
+
+ mbedtls_printf("%s\n", buf);
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+ mbedtls_x509_crl_free(&crl);
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ mbedtls_psa_crypto_free();
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ mbedtls_exit(exit_code);
+}
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_X509_CRL_PARSE_C &&
+ MBEDTLS_FS_IO */
diff --git a/programs/x509/load_roots.c b/programs/x509/load_roots.c
new file mode 100644
index 0000000..f0e6acf
--- /dev/null
+++ b/programs/x509/load_roots.c
@@ -0,0 +1,165 @@
+/*
+ * Root CA reading application
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#include "mbedtls/build_info.h"
+
+#include "mbedtls/platform.h"
+
+#if !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
+ !defined(MBEDTLS_TIMING_C)
+int main(void)
+{
+ mbedtls_printf("MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_FS_IO and/or "
+ "MBEDTLS_TIMING_C not defined.\n");
+ mbedtls_exit(0);
+}
+#else
+
+#include "mbedtls/error.h"
+#include "mbedtls/timing.h"
+#include "mbedtls/x509_crt.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define DFL_ITERATIONS 1
+#define DFL_PRIME_CACHE 1
+
+#define USAGE \
+ "\n usage: load_roots param=<>... [--] FILE...\n" \
+ "\n acceptable parameters:\n" \
+ " iterations=%%d Iteration count (not including cache priming); default: 1\n" \
+ " prime=%%d Prime the disk read cache? Default: 1 (yes)\n" \
+ "\n"
+
+
+/*
+ * global options
+ */
+struct options {
+ const char **filenames; /* NULL-terminated list of file names */
+ unsigned iterations; /* Number of iterations to time */
+ int prime_cache; /* Prime the disk read cache? */
+} opt;
+
+
+int read_certificates(const char *const *filenames)
+{
+ mbedtls_x509_crt cas;
+ int ret = 0;
+ const char *const *cur;
+
+ mbedtls_x509_crt_init(&cas);
+
+ for (cur = filenames; *cur != NULL; cur++) {
+ ret = mbedtls_x509_crt_parse_file(&cas, *cur);
+ if (ret != 0) {
+#if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
+ char error_message[200];
+ mbedtls_strerror(ret, error_message, sizeof(error_message));
+ printf("\n%s: -0x%04x (%s)\n",
+ *cur, (unsigned) -ret, error_message);
+#else
+ printf("\n%s: -0x%04x\n",
+ *cur, (unsigned) -ret);
+#endif
+ goto exit;
+ }
+ }
+
+exit:
+ mbedtls_x509_crt_free(&cas);
+ return ret == 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ unsigned i, j;
+ struct mbedtls_timing_hr_time timer;
+ unsigned long ms;
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_status_t status = psa_crypto_init();
+ if (status != PSA_SUCCESS) {
+ mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+ (int) status);
+ goto exit;
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ if (argc <= 1) {
+ mbedtls_printf(USAGE);
+ goto exit;
+ }
+
+ opt.filenames = NULL;
+ opt.iterations = DFL_ITERATIONS;
+ opt.prime_cache = DFL_PRIME_CACHE;
+
+ for (i = 1; i < (unsigned) argc; i++) {
+ char *p = argv[i];
+ char *q = NULL;
+
+ if (strcmp(p, "--") == 0) {
+ break;
+ }
+ if ((q = strchr(p, '=')) == NULL) {
+ break;
+ }
+ *q++ = '\0';
+
+ for (j = 0; p + j < q; j++) {
+ if (argv[i][j] >= 'A' && argv[i][j] <= 'Z') {
+ argv[i][j] |= 0x20;
+ }
+ }
+
+ if (strcmp(p, "iterations") == 0) {
+ opt.iterations = atoi(q);
+ } else if (strcmp(p, "prime") == 0) {
+ opt.iterations = atoi(q) != 0;
+ } else {
+ mbedtls_printf("Unknown option: %s\n", p);
+ mbedtls_printf(USAGE);
+ goto exit;
+ }
+ }
+
+ opt.filenames = (const char **) argv + i;
+ if (*opt.filenames == 0) {
+ mbedtls_printf("Missing list of certificate files to parse\n");
+ goto exit;
+ }
+
+ mbedtls_printf("Parsing %u certificates", argc - i);
+ if (opt.prime_cache) {
+ if (!read_certificates(opt.filenames)) {
+ goto exit;
+ }
+ mbedtls_printf(" ");
+ }
+
+ (void) mbedtls_timing_get_timer(&timer, 1);
+ for (i = 1; i <= opt.iterations; i++) {
+ if (!read_certificates(opt.filenames)) {
+ goto exit;
+ }
+ mbedtls_printf(".");
+ }
+ ms = mbedtls_timing_get_timer(&timer, 0);
+ mbedtls_printf("\n%u iterations -> %lu ms\n", opt.iterations, ms);
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ mbedtls_psa_crypto_free();
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+ mbedtls_exit(exit_code);
+}
+#endif /* necessary configuration */
diff --git a/programs/x509/req_app.c b/programs/x509/req_app.c
new file mode 100644
index 0000000..fff0983
--- /dev/null
+++ b/programs/x509/req_app.c
@@ -0,0 +1,132 @@
+/*
+ * Certificate request reading application
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#include "mbedtls/build_info.h"
+
+#include "mbedtls/platform.h"
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) || \
+ !defined(MBEDTLS_X509_CSR_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
+ defined(MBEDTLS_X509_REMOVE_INFO)
+int main(void)
+{
+ mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_X509_CSR_PARSE_C and/or MBEDTLS_FS_IO not defined and/or "
+ "MBEDTLS_X509_REMOVE_INFO defined.\n");
+ mbedtls_exit(0);
+}
+#else
+
+#include "mbedtls/x509_csr.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define DFL_FILENAME "cert.req"
+#define DFL_DEBUG_LEVEL 0
+
+#define USAGE \
+ "\n usage: req_app param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ " filename=%%s default: cert.req\n" \
+ "\n"
+
+
+/*
+ * global options
+ */
+struct options {
+ const char *filename; /* filename of the certificate request */
+} opt;
+
+int main(int argc, char *argv[])
+{
+ int ret = 1;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ unsigned char buf[100000];
+ mbedtls_x509_csr csr;
+ int i;
+ char *p, *q;
+
+ /*
+ * Set to sane values
+ */
+ mbedtls_x509_csr_init(&csr);
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_status_t status = psa_crypto_init();
+ if (status != PSA_SUCCESS) {
+ mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+ (int) status);
+ goto exit;
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ if (argc < 2) {
+usage:
+ mbedtls_printf(USAGE);
+ goto exit;
+ }
+
+ opt.filename = DFL_FILENAME;
+
+ for (i = 1; i < argc; i++) {
+ p = argv[i];
+ if ((q = strchr(p, '=')) == NULL) {
+ goto usage;
+ }
+ *q++ = '\0';
+
+ if (strcmp(p, "filename") == 0) {
+ opt.filename = q;
+ } else {
+ goto usage;
+ }
+ }
+
+ /*
+ * 1.1. Load the CSR
+ */
+ mbedtls_printf("\n . Loading the CSR ...");
+ fflush(stdout);
+
+ ret = mbedtls_x509_csr_parse_file(&csr, opt.filename);
+
+ if (ret != 0) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_csr_parse_file returned %d\n\n", ret);
+ mbedtls_x509_csr_free(&csr);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ /*
+ * 1.2 Print the CSR
+ */
+ mbedtls_printf(" . CSR information ...\n");
+ ret = mbedtls_x509_csr_info((char *) buf, sizeof(buf) - 1, " ", &csr);
+ if (ret == -1) {
+ mbedtls_printf(" failed\n ! mbedtls_x509_csr_info returned %d\n\n", ret);
+ mbedtls_x509_csr_free(&csr);
+ goto exit;
+ }
+
+ mbedtls_printf("%s\n", buf);
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+ mbedtls_x509_csr_free(&csr);
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ mbedtls_psa_crypto_free();
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ mbedtls_exit(exit_code);
+}
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_X509_CSR_PARSE_C &&
+ MBEDTLS_FS_IO */