| /* BEGIN_HEADER */ |
| #include "mbedtls/pk.h" |
| |
| /* For error codes */ |
| #include "mbedtls/asn1.h" |
| #include "mbedtls/base64.h" |
| #include "mbedtls/ecp.h" |
| #include "mbedtls/rsa.h" |
| |
| #include "hash_info.h" |
| #include "mbedtls/legacy_or_psa.h" |
| |
| #include <limits.h> |
| #include <stdint.h> |
| |
| /* Needed only for test case data under #if defined(MBEDTLS_USE_PSA_CRYPTO), |
| * but the test code generator requires test case data to be valid C code |
| * unconditionally (https://github.com/Mbed-TLS/mbedtls/issues/2023). */ |
| #include "psa/crypto.h" |
| |
| #define RSA_KEY_SIZE 512 |
| #define RSA_KEY_LEN 64 |
| |
| /** Generate a key of the desired type. |
| * |
| * \param pk The PK object to fill. It must have been initialized |
| * with mbedtls_pk_setup(). |
| * \param parameter - For RSA keys, the key size in bits. |
| * - For EC keys, the curve (\c MBEDTLS_ECP_DP_xxx). |
| * |
| * \return The status from the underlying type-specific key |
| * generation function. |
| * \return -1 if the key type is not recognized. |
| */ |
| static int pk_genkey(mbedtls_pk_context *pk, int parameter) |
| { |
| ((void) pk); |
| (void) parameter; |
| |
| #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME) |
| if (mbedtls_pk_get_type(pk) == MBEDTLS_PK_RSA) { |
| return mbedtls_rsa_gen_key(mbedtls_pk_rsa(*pk), |
| mbedtls_test_rnd_std_rand, NULL, |
| parameter, 3); |
| } |
| #endif |
| #if defined(MBEDTLS_ECP_C) |
| if (mbedtls_pk_get_type(pk) == MBEDTLS_PK_ECKEY || |
| mbedtls_pk_get_type(pk) == MBEDTLS_PK_ECKEY_DH || |
| mbedtls_pk_get_type(pk) == MBEDTLS_PK_ECDSA) { |
| int ret; |
| if ((ret = mbedtls_ecp_group_load(&mbedtls_pk_ec(*pk)->grp, |
| parameter)) != 0) { |
| return ret; |
| } |
| |
| return mbedtls_ecp_gen_keypair(&mbedtls_pk_ec(*pk)->grp, |
| &mbedtls_pk_ec(*pk)->d, |
| &mbedtls_pk_ec(*pk)->Q, |
| mbedtls_test_rnd_std_rand, NULL); |
| } |
| #endif |
| return -1; |
| } |
| |
| #if defined(MBEDTLS_RSA_C) |
| int mbedtls_rsa_decrypt_func(void *ctx, size_t *olen, |
| const unsigned char *input, unsigned char *output, |
| size_t output_max_len) |
| { |
| return mbedtls_rsa_pkcs1_decrypt((mbedtls_rsa_context *) ctx, |
| mbedtls_test_rnd_std_rand, NULL, |
| olen, input, output, output_max_len); |
| } |
| int mbedtls_rsa_sign_func(void *ctx, |
| int (*f_rng)(void *, unsigned char *, size_t), void *p_rng, |
| mbedtls_md_type_t md_alg, unsigned int hashlen, |
| const unsigned char *hash, unsigned char *sig) |
| { |
| ((void) f_rng); |
| ((void) p_rng); |
| return mbedtls_rsa_pkcs1_sign((mbedtls_rsa_context *) ctx, |
| mbedtls_test_rnd_std_rand, NULL, |
| md_alg, hashlen, hash, sig); |
| } |
| size_t mbedtls_rsa_key_len_func(void *ctx) |
| { |
| return ((const mbedtls_rsa_context *) ctx)->len; |
| } |
| #endif /* MBEDTLS_RSA_C */ |
| |
| #if defined(MBEDTLS_USE_PSA_CRYPTO) |
| |
| /* |
| * Generate an ECC key using PSA and return the key identifier of that key, |
| * or 0 if the key generation failed. |
| * The key uses NIST P-256 and is usable for signing with SHA-256. |
| */ |
| mbedtls_svc_key_id_t pk_psa_genkey_ecc(void) |
| { |
| mbedtls_svc_key_id_t key; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| const psa_key_type_t type = |
| PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1); |
| const size_t bits = 256; |
| |
| psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH); |
| psa_set_key_algorithm(&attributes, PSA_ALG_ECDSA(PSA_ALG_SHA_256)); |
| psa_set_key_type(&attributes, type); |
| psa_set_key_bits(&attributes, bits); |
| PSA_ASSERT(psa_generate_key(&attributes, &key)); |
| |
| exit: |
| return key; |
| } |
| |
| /* |
| * Generate an RSA key using PSA and return the key identifier of that key, |
| * or 0 if the key generation failed. |
| */ |
| mbedtls_svc_key_id_t pk_psa_genkey_rsa(void) |
| { |
| mbedtls_svc_key_id_t key; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| const psa_key_type_t type = PSA_KEY_TYPE_RSA_KEY_PAIR; |
| const size_t bits = 1024; |
| |
| psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH); |
| psa_set_key_algorithm(&attributes, PSA_ALG_RSA_PKCS1V15_SIGN_RAW); |
| psa_set_key_type(&attributes, type); |
| psa_set_key_bits(&attributes, bits); |
| PSA_ASSERT(psa_generate_key(&attributes, &key)); |
| |
| exit: |
| return key; |
| } |
| #endif /* MBEDTLS_USE_PSA_CRYPTO */ |
| /* END_HEADER */ |
| |
| /* BEGIN_DEPENDENCIES |
| * depends_on:MBEDTLS_PK_C |
| * END_DEPENDENCIES |
| */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_USE_PSA_CRYPTO */ |
| void pk_psa_utils(int key_is_rsa) |
| { |
| mbedtls_pk_context pk, pk2; |
| mbedtls_svc_key_id_t key; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| |
| const char * const name = "Opaque"; |
| size_t bitlen; |
| |
| mbedtls_md_type_t md_alg = MBEDTLS_MD_NONE; |
| unsigned char b1[1], b2[1]; |
| size_t len; |
| mbedtls_pk_debug_item dbg; |
| |
| PSA_ASSERT(psa_crypto_init()); |
| |
| mbedtls_pk_init(&pk); |
| mbedtls_pk_init(&pk2); |
| |
| TEST_ASSERT(psa_crypto_init() == PSA_SUCCESS); |
| |
| TEST_ASSERT(mbedtls_pk_setup_opaque(&pk, MBEDTLS_SVC_KEY_ID_INIT) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| mbedtls_pk_free(&pk); |
| mbedtls_pk_init(&pk); |
| |
| if (key_is_rsa) { |
| bitlen = 1024; /* hardcoded in genkey() */ |
| key = pk_psa_genkey_rsa(); |
| } else { |
| bitlen = 256; /* hardcoded in genkey() */ |
| key = pk_psa_genkey_ecc(); |
| } |
| if (mbedtls_svc_key_id_is_null(key)) { |
| goto exit; |
| } |
| |
| TEST_ASSERT(mbedtls_pk_setup_opaque(&pk, key) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_get_type(&pk) == MBEDTLS_PK_OPAQUE); |
| TEST_ASSERT(strcmp(mbedtls_pk_get_name(&pk), name) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_get_bitlen(&pk) == bitlen); |
| TEST_ASSERT(mbedtls_pk_get_len(&pk) == bitlen / 8); |
| |
| if (key_is_rsa) { |
| TEST_ASSERT(mbedtls_pk_can_do(&pk, MBEDTLS_PK_ECKEY) == 0); |
| TEST_ASSERT(mbedtls_pk_can_do(&pk, MBEDTLS_PK_ECDSA) == 0); |
| TEST_ASSERT(mbedtls_pk_can_do(&pk, MBEDTLS_PK_RSA) == 1); |
| } else { |
| TEST_ASSERT(mbedtls_pk_can_do(&pk, MBEDTLS_PK_ECKEY) == 1); |
| TEST_ASSERT(mbedtls_pk_can_do(&pk, MBEDTLS_PK_ECDSA) == 1); |
| TEST_ASSERT(mbedtls_pk_can_do(&pk, MBEDTLS_PK_RSA) == 0); |
| } |
| |
| /* unsupported operations: verify, decrypt, encrypt */ |
| TEST_ASSERT(mbedtls_pk_verify(&pk, md_alg, |
| b1, sizeof(b1), b2, sizeof(b2)) |
| == MBEDTLS_ERR_PK_TYPE_MISMATCH); |
| if (key_is_rsa == 0) { |
| TEST_ASSERT(mbedtls_pk_decrypt(&pk, b1, sizeof(b1), |
| b2, &len, sizeof(b2), |
| NULL, NULL) |
| == MBEDTLS_ERR_PK_TYPE_MISMATCH); |
| } |
| TEST_ASSERT(mbedtls_pk_encrypt(&pk, b1, sizeof(b1), |
| b2, &len, sizeof(b2), |
| NULL, NULL) |
| == MBEDTLS_ERR_PK_TYPE_MISMATCH); |
| |
| /* unsupported functions: check_pair, debug */ |
| if (key_is_rsa) { |
| TEST_ASSERT(mbedtls_pk_setup(&pk2, |
| mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)) == 0); |
| } else { |
| TEST_ASSERT(mbedtls_pk_setup(&pk2, |
| mbedtls_pk_info_from_type(MBEDTLS_PK_ECKEY)) == 0); |
| } |
| TEST_ASSERT(mbedtls_pk_check_pair(&pk, &pk2, |
| mbedtls_test_rnd_std_rand, NULL) |
| == MBEDTLS_ERR_PK_TYPE_MISMATCH); |
| TEST_ASSERT(mbedtls_pk_debug(&pk, &dbg) |
| == MBEDTLS_ERR_PK_TYPE_MISMATCH); |
| |
| /* test that freeing the context does not destroy the key */ |
| mbedtls_pk_free(&pk); |
| TEST_ASSERT(PSA_SUCCESS == psa_get_key_attributes(key, &attributes)); |
| TEST_ASSERT(PSA_SUCCESS == psa_destroy_key(key)); |
| |
| exit: |
| /* |
| * Key attributes may have been returned by psa_get_key_attributes() |
| * thus reset them as required. |
| */ |
| psa_reset_key_attributes(&attributes); |
| |
| mbedtls_pk_free(&pk); /* redundant except upon error */ |
| mbedtls_pk_free(&pk2); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_USE_PSA_CRYPTO */ |
| void pk_can_do_ext(int opaque_key, int key_type, int key_usage, int key_alg, |
| int key_alg2, int parameter, int alg_check, int usage_check, |
| int result) |
| { |
| mbedtls_pk_context pk; |
| mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| |
| PSA_ASSERT(psa_crypto_init()); |
| |
| mbedtls_pk_init(&pk); |
| |
| if (opaque_key == 1) { |
| psa_set_key_usage_flags(&attributes, key_usage); |
| psa_set_key_algorithm(&attributes, key_alg); |
| if (key_alg2 != 0) { |
| psa_set_key_enrollment_algorithm(&attributes, key_alg2); |
| } |
| psa_set_key_type(&attributes, key_type); |
| psa_set_key_bits(&attributes, parameter); |
| |
| PSA_ASSERT(psa_generate_key(&attributes, &key)); |
| |
| if (mbedtls_svc_key_id_is_null(key)) { |
| goto exit; |
| } |
| |
| TEST_EQUAL(mbedtls_pk_setup_opaque(&pk, key), 0); |
| |
| TEST_EQUAL(mbedtls_pk_get_type(&pk), MBEDTLS_PK_OPAQUE); |
| } else { |
| TEST_EQUAL(mbedtls_pk_setup(&pk, |
| mbedtls_pk_info_from_type(key_type)), 0); |
| TEST_EQUAL(pk_genkey(&pk, parameter), 0); |
| TEST_EQUAL(mbedtls_pk_get_type(&pk), key_type); |
| } |
| |
| TEST_EQUAL(mbedtls_pk_can_do_ext(&pk, alg_check, usage_check), result); |
| |
| exit: |
| psa_reset_key_attributes(&attributes); |
| PSA_ASSERT(psa_destroy_key(key)); |
| mbedtls_pk_free(&pk); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void pk_invalid_param() |
| { |
| mbedtls_pk_context ctx; |
| mbedtls_pk_type_t pk_type = 0; |
| unsigned char buf[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 }; |
| size_t buf_size = sizeof(buf); |
| |
| mbedtls_pk_init(&ctx); |
| |
| TEST_EQUAL(MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_restartable(&ctx, MBEDTLS_MD_NONE, |
| NULL, buf_size, |
| buf, buf_size, |
| NULL)); |
| TEST_EQUAL(MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_restartable(&ctx, MBEDTLS_MD_SHA256, |
| NULL, 0, |
| buf, buf_size, |
| NULL)); |
| TEST_EQUAL(MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_ext(pk_type, NULL, |
| &ctx, MBEDTLS_MD_NONE, |
| NULL, buf_size, |
| buf, buf_size)); |
| TEST_EQUAL(MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_ext(pk_type, NULL, |
| &ctx, MBEDTLS_MD_SHA256, |
| NULL, 0, |
| buf, buf_size)); |
| TEST_EQUAL(MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign_restartable(&ctx, MBEDTLS_MD_NONE, |
| NULL, buf_size, |
| buf, buf_size, &buf_size, |
| NULL, NULL, |
| NULL)); |
| TEST_EQUAL(MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign_restartable(&ctx, MBEDTLS_MD_SHA256, |
| NULL, 0, |
| buf, buf_size, &buf_size, |
| NULL, NULL, |
| NULL)); |
| exit: |
| mbedtls_pk_free(&ctx); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void valid_parameters() |
| { |
| mbedtls_pk_context pk; |
| unsigned char buf[1]; |
| size_t len; |
| void *options = NULL; |
| |
| mbedtls_pk_init(&pk); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pk, NULL) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| /* In informational functions, we accept NULL where a context pointer |
| * is expected because that's what the library has done forever. |
| * We do not document that NULL is accepted, so we may wish to change |
| * the behavior in a future version. */ |
| TEST_ASSERT(mbedtls_pk_get_bitlen(NULL) == 0); |
| TEST_ASSERT(mbedtls_pk_get_len(NULL) == 0); |
| TEST_ASSERT(mbedtls_pk_can_do(NULL, MBEDTLS_PK_NONE) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_sign_restartable(&pk, |
| MBEDTLS_MD_NONE, |
| NULL, 0, |
| buf, sizeof(buf), &len, |
| mbedtls_test_rnd_std_rand, NULL, |
| NULL) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| TEST_ASSERT(mbedtls_pk_sign_restartable(&pk, |
| MBEDTLS_MD_NONE, |
| NULL, 0, |
| buf, sizeof(buf), &len, |
| mbedtls_test_rnd_std_rand, NULL, |
| NULL) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| TEST_ASSERT(mbedtls_pk_sign(&pk, |
| MBEDTLS_MD_NONE, |
| NULL, 0, |
| buf, sizeof(buf), &len, |
| mbedtls_test_rnd_std_rand, NULL) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| TEST_ASSERT(mbedtls_pk_verify_restartable(&pk, |
| MBEDTLS_MD_NONE, |
| NULL, 0, |
| buf, sizeof(buf), |
| NULL) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| TEST_ASSERT(mbedtls_pk_verify(&pk, |
| MBEDTLS_MD_NONE, |
| NULL, 0, |
| buf, sizeof(buf)) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| TEST_ASSERT(mbedtls_pk_verify_ext(MBEDTLS_PK_NONE, options, |
| &pk, |
| MBEDTLS_MD_NONE, |
| NULL, 0, |
| buf, sizeof(buf)) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| TEST_ASSERT(mbedtls_pk_encrypt(&pk, |
| NULL, 0, |
| NULL, &len, 0, |
| mbedtls_test_rnd_std_rand, NULL) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| TEST_ASSERT(mbedtls_pk_decrypt(&pk, |
| NULL, 0, |
| NULL, &len, 0, |
| mbedtls_test_rnd_std_rand, NULL) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| #if defined(MBEDTLS_PK_PARSE_C) |
| TEST_ASSERT(mbedtls_pk_parse_key(&pk, NULL, 0, NULL, 1, |
| mbedtls_test_rnd_std_rand, NULL) == |
| MBEDTLS_ERR_PK_KEY_INVALID_FORMAT); |
| |
| TEST_ASSERT(mbedtls_pk_parse_public_key(&pk, NULL, 0) == |
| MBEDTLS_ERR_PK_KEY_INVALID_FORMAT); |
| #endif /* MBEDTLS_PK_PARSE_C */ |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_PK_WRITE_C */ |
| void valid_parameters_pkwrite(data_t *key_data) |
| { |
| mbedtls_pk_context pk; |
| |
| /* For the write tests to be effective, we need a valid key pair. */ |
| mbedtls_pk_init(&pk); |
| TEST_ASSERT(mbedtls_pk_parse_key(&pk, |
| key_data->x, key_data->len, NULL, 0, |
| mbedtls_test_rnd_std_rand, NULL) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_write_key_der(&pk, NULL, 0) == |
| MBEDTLS_ERR_ASN1_BUF_TOO_SMALL); |
| |
| TEST_ASSERT(mbedtls_pk_write_pubkey_der(&pk, NULL, 0) == |
| MBEDTLS_ERR_ASN1_BUF_TOO_SMALL); |
| |
| #if defined(MBEDTLS_PEM_WRITE_C) |
| TEST_ASSERT(mbedtls_pk_write_key_pem(&pk, NULL, 0) == |
| MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL); |
| |
| TEST_ASSERT(mbedtls_pk_write_pubkey_pem(&pk, NULL, 0) == |
| MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL); |
| #endif /* MBEDTLS_PEM_WRITE_C */ |
| |
| exit: |
| mbedtls_pk_free(&pk); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void pk_utils(int type, int parameter, int bitlen, int len, char *name) |
| { |
| mbedtls_pk_context pk; |
| |
| mbedtls_pk_init(&pk); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pk, mbedtls_pk_info_from_type(type)) == 0); |
| TEST_ASSERT(pk_genkey(&pk, parameter) == 0); |
| |
| TEST_ASSERT((int) mbedtls_pk_get_type(&pk) == type); |
| TEST_ASSERT(mbedtls_pk_can_do(&pk, type)); |
| TEST_ASSERT(mbedtls_pk_get_bitlen(&pk) == (unsigned) bitlen); |
| TEST_ASSERT(mbedtls_pk_get_len(&pk) == (unsigned) len); |
| TEST_ASSERT(strcmp(mbedtls_pk_get_name(&pk), name) == 0); |
| |
| exit: |
| mbedtls_pk_free(&pk); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_FS_IO */ |
| void mbedtls_pk_check_pair(char *pub_file, char *prv_file, int ret) |
| { |
| mbedtls_pk_context pub, prv, alt; |
| |
| USE_PSA_INIT(); |
| |
| mbedtls_pk_init(&pub); |
| mbedtls_pk_init(&prv); |
| mbedtls_pk_init(&alt); |
| |
| TEST_ASSERT(mbedtls_pk_parse_public_keyfile(&pub, pub_file) == 0); |
| TEST_ASSERT(mbedtls_pk_parse_keyfile(&prv, prv_file, NULL, |
| mbedtls_test_rnd_std_rand, NULL) |
| == 0); |
| |
| TEST_ASSERT(mbedtls_pk_check_pair(&pub, &prv, |
| mbedtls_test_rnd_std_rand, NULL) |
| == ret); |
| |
| #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PK_RSA_ALT_SUPPORT) |
| if (mbedtls_pk_get_type(&prv) == MBEDTLS_PK_RSA) { |
| TEST_ASSERT(mbedtls_pk_setup_rsa_alt(&alt, mbedtls_pk_rsa(prv), |
| mbedtls_rsa_decrypt_func, mbedtls_rsa_sign_func, |
| mbedtls_rsa_key_len_func) == 0); |
| TEST_ASSERT(mbedtls_pk_check_pair(&pub, &alt, |
| mbedtls_test_rnd_std_rand, NULL) |
| == ret); |
| } |
| #endif |
| |
| mbedtls_pk_free(&pub); |
| mbedtls_pk_free(&prv); |
| mbedtls_pk_free(&alt); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ |
| void pk_rsa_verify_test_vec(data_t *message_str, int digest, int mod, |
| char *input_N, char *input_E, |
| data_t *result_str, int result) |
| { |
| mbedtls_rsa_context *rsa; |
| mbedtls_pk_context pk; |
| mbedtls_pk_restart_ctx *rs_ctx = NULL; |
| #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) |
| mbedtls_pk_restart_ctx ctx; |
| |
| rs_ctx = &ctx; |
| mbedtls_pk_restart_init(rs_ctx); |
| // this setting would ensure restart would happen if ECC was used |
| mbedtls_ecp_set_max_ops(1); |
| #endif |
| |
| USE_PSA_INIT(); |
| |
| mbedtls_pk_init(&pk); |
| |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pk, mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)) == 0); |
| rsa = mbedtls_pk_rsa(pk); |
| |
| rsa->len = mod / 8; |
| TEST_ASSERT(mbedtls_test_read_mpi(&rsa->N, input_N) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&rsa->E, input_E) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_verify(&pk, digest, message_str->x, 0, |
| result_str->x, mbedtls_pk_get_len(&pk)) == result); |
| |
| TEST_ASSERT(mbedtls_pk_verify_restartable(&pk, digest, message_str->x, 0, |
| result_str->x, mbedtls_pk_get_len( |
| &pk), rs_ctx) == result); |
| |
| exit: |
| #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) |
| mbedtls_pk_restart_free(rs_ctx); |
| #endif |
| mbedtls_pk_free(&pk); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ |
| void pk_rsa_verify_ext_test_vec(data_t *message_str, int digest, |
| int mod, char *input_N, |
| char *input_E, data_t *result_str, |
| int pk_type, int mgf1_hash_id, |
| int salt_len, int sig_len, |
| int result) |
| { |
| mbedtls_rsa_context *rsa; |
| mbedtls_pk_context pk; |
| mbedtls_pk_rsassa_pss_options pss_opts; |
| void *options; |
| int ret; |
| |
| USE_PSA_INIT(); |
| mbedtls_pk_init(&pk); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pk, mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)) == 0); |
| rsa = mbedtls_pk_rsa(pk); |
| |
| rsa->len = mod / 8; |
| TEST_ASSERT(mbedtls_test_read_mpi(&rsa->N, input_N) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&rsa->E, input_E) == 0); |
| |
| |
| if (mgf1_hash_id < 0) { |
| options = NULL; |
| } else { |
| options = &pss_opts; |
| |
| pss_opts.mgf1_hash_id = mgf1_hash_id; |
| pss_opts.expected_salt_len = salt_len; |
| } |
| |
| ret = mbedtls_pk_verify_ext(pk_type, options, &pk, |
| digest, message_str->x, message_str->len, |
| result_str->x, sig_len); |
| |
| #if defined(MBEDTLS_USE_PSA_CRYPTO) |
| if (result == MBEDTLS_ERR_RSA_INVALID_PADDING) { |
| /* Mbed TLS distinguishes "invalid padding" from "valid padding but |
| * the rest of the signature is invalid". This has little use in |
| * practice and PSA doesn't report this distinction. |
| * In this case, PSA returns PSA_ERROR_INVALID_SIGNATURE translated |
| * to MBEDTLS_ERR_RSA_VERIFY_FAILED. |
| * However, currently `mbedtls_pk_verify_ext()` may use either the |
| * PSA or the Mbed TLS API, depending on the PSS options used. |
| * So, it may return either INVALID_PADDING or INVALID_SIGNATURE. |
| */ |
| TEST_ASSERT(ret == result || ret == MBEDTLS_ERR_RSA_VERIFY_FAILED); |
| } else |
| #endif |
| { |
| TEST_EQUAL(ret, result); |
| } |
| |
| exit: |
| mbedtls_pk_free(&pk); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_PK_CAN_ECDSA_VERIFY */ |
| void pk_ec_test_vec(int type, int id, data_t *key, data_t *hash, |
| data_t *sig, int ret) |
| { |
| mbedtls_pk_context pk; |
| mbedtls_ecp_keypair *eckey; |
| |
| mbedtls_pk_init(&pk); |
| USE_PSA_INIT(); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pk, mbedtls_pk_info_from_type(type)) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_can_do(&pk, MBEDTLS_PK_ECDSA)); |
| eckey = mbedtls_pk_ec(pk); |
| |
| TEST_ASSERT(mbedtls_ecp_group_load(&eckey->grp, id) == 0); |
| TEST_ASSERT(mbedtls_ecp_point_read_binary(&eckey->grp, &eckey->Q, |
| key->x, key->len) == 0); |
| |
| // MBEDTLS_MD_NONE is used since it will be ignored. |
| TEST_ASSERT(mbedtls_pk_verify(&pk, MBEDTLS_MD_NONE, |
| hash->x, hash->len, sig->x, sig->len) == ret); |
| |
| exit: |
| mbedtls_pk_free(&pk); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE:MBEDTLS_ECDSA_C:MBEDTLS_ECDSA_DETERMINISTIC */ |
| void pk_sign_verify_restart(int pk_type, int grp_id, char *d_str, |
| char *QX_str, char *QY_str, |
| int md_alg, data_t *hash, data_t *sig_check, |
| int max_ops, int min_restart, int max_restart) |
| { |
| int ret, cnt_restart; |
| mbedtls_pk_restart_ctx rs_ctx; |
| mbedtls_pk_context prv, pub; |
| unsigned char sig[MBEDTLS_ECDSA_MAX_LEN]; |
| size_t slen; |
| |
| USE_PSA_INIT(); |
| |
| mbedtls_pk_restart_init(&rs_ctx); |
| mbedtls_pk_init(&prv); |
| mbedtls_pk_init(&pub); |
| memset(sig, 0, sizeof(sig)); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&prv, mbedtls_pk_info_from_type(pk_type)) == 0); |
| TEST_ASSERT(mbedtls_ecp_group_load(&mbedtls_pk_ec(prv)->grp, grp_id) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&mbedtls_pk_ec(prv)->d, d_str) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pub, mbedtls_pk_info_from_type(pk_type)) == 0); |
| TEST_ASSERT(mbedtls_ecp_group_load(&mbedtls_pk_ec(pub)->grp, grp_id) == 0); |
| TEST_ASSERT(mbedtls_ecp_point_read_string(&mbedtls_pk_ec(pub)->Q, 16, QX_str, QY_str) == 0); |
| |
| mbedtls_ecp_set_max_ops(max_ops); |
| |
| slen = sizeof(sig); |
| cnt_restart = 0; |
| do { |
| ret = mbedtls_pk_sign_restartable(&prv, md_alg, hash->x, hash->len, |
| sig, sizeof(sig), &slen, |
| mbedtls_test_rnd_std_rand, NULL, |
| &rs_ctx); |
| } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart); |
| |
| TEST_ASSERT(ret == 0); |
| TEST_ASSERT(slen == sig_check->len); |
| TEST_ASSERT(memcmp(sig, sig_check->x, slen) == 0); |
| |
| TEST_ASSERT(cnt_restart >= min_restart); |
| TEST_ASSERT(cnt_restart <= max_restart); |
| |
| cnt_restart = 0; |
| do { |
| ret = mbedtls_pk_verify_restartable(&pub, md_alg, |
| hash->x, hash->len, sig, slen, &rs_ctx); |
| } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart); |
| |
| TEST_ASSERT(ret == 0); |
| TEST_ASSERT(cnt_restart >= min_restart); |
| TEST_ASSERT(cnt_restart <= max_restart); |
| |
| sig[0]++; |
| do { |
| ret = mbedtls_pk_verify_restartable(&pub, md_alg, |
| hash->x, hash->len, sig, slen, &rs_ctx); |
| } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS); |
| TEST_ASSERT(ret != 0); |
| sig[0]--; |
| |
| /* Do we leak memory when aborting? try verify then sign |
| * This test only makes sense when we actually restart */ |
| if (min_restart > 0) { |
| ret = mbedtls_pk_verify_restartable(&pub, md_alg, |
| hash->x, hash->len, sig, slen, &rs_ctx); |
| TEST_ASSERT(ret == MBEDTLS_ERR_ECP_IN_PROGRESS); |
| mbedtls_pk_restart_free(&rs_ctx); |
| |
| slen = sizeof(sig); |
| ret = mbedtls_pk_sign_restartable(&prv, md_alg, hash->x, hash->len, |
| sig, sizeof(sig), &slen, |
| mbedtls_test_rnd_std_rand, NULL, |
| &rs_ctx); |
| TEST_ASSERT(ret == MBEDTLS_ERR_ECP_IN_PROGRESS); |
| } |
| |
| exit: |
| mbedtls_pk_restart_free(&rs_ctx); |
| mbedtls_pk_free(&prv); |
| mbedtls_pk_free(&pub); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA */ |
| void pk_sign_verify(int type, int parameter, int sign_ret, int verify_ret) |
| { |
| mbedtls_pk_context pk; |
| size_t sig_len; |
| unsigned char hash[32]; // Hard-coded for SHA256 |
| size_t hash_len = sizeof(hash); |
| unsigned char sig[MBEDTLS_PK_SIGNATURE_MAX_SIZE]; |
| void *rs_ctx = NULL; |
| #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) |
| mbedtls_pk_restart_ctx ctx; |
| |
| rs_ctx = &ctx; |
| mbedtls_pk_restart_init(rs_ctx); |
| /* This value is large enough that the operation will complete in one run. |
| * See comments at the top of ecp_test_vect_restart in |
| * test_suite_ecp.function for estimates of operation counts. */ |
| mbedtls_ecp_set_max_ops(42000); |
| #endif |
| |
| mbedtls_pk_init(&pk); |
| USE_PSA_INIT(); |
| |
| memset(hash, 0x2a, sizeof(hash)); |
| memset(sig, 0, sizeof(sig)); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pk, mbedtls_pk_info_from_type(type)) == 0); |
| TEST_ASSERT(pk_genkey(&pk, parameter) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_sign_restartable(&pk, MBEDTLS_MD_SHA256, |
| hash, hash_len, |
| sig, sizeof(sig), &sig_len, |
| mbedtls_test_rnd_std_rand, NULL, |
| rs_ctx) == sign_ret); |
| if (sign_ret == 0) { |
| TEST_ASSERT(sig_len <= MBEDTLS_PK_SIGNATURE_MAX_SIZE); |
| } else { |
| sig_len = MBEDTLS_PK_SIGNATURE_MAX_SIZE; |
| } |
| |
| TEST_ASSERT(mbedtls_pk_verify(&pk, MBEDTLS_MD_SHA256, |
| hash, hash_len, sig, sig_len) == verify_ret); |
| |
| if (verify_ret == 0) { |
| hash[0]++; |
| TEST_ASSERT(mbedtls_pk_verify(&pk, MBEDTLS_MD_SHA256, |
| hash, hash_len, sig, sig_len) != 0); |
| hash[0]--; |
| |
| sig[0]++; |
| TEST_ASSERT(mbedtls_pk_verify(&pk, MBEDTLS_MD_SHA256, |
| hash, hash_len, sig, sig_len) != 0); |
| sig[0]--; |
| } |
| |
| TEST_ASSERT(mbedtls_pk_sign(&pk, MBEDTLS_MD_SHA256, hash, hash_len, |
| sig, sizeof(sig), &sig_len, |
| mbedtls_test_rnd_std_rand, |
| NULL) == sign_ret); |
| if (sign_ret == 0) { |
| TEST_ASSERT(sig_len <= MBEDTLS_PK_SIGNATURE_MAX_SIZE); |
| } else { |
| sig_len = MBEDTLS_PK_SIGNATURE_MAX_SIZE; |
| } |
| |
| TEST_ASSERT(mbedtls_pk_verify_restartable(&pk, MBEDTLS_MD_SHA256, |
| hash, hash_len, sig, sig_len, rs_ctx) == verify_ret); |
| |
| if (verify_ret == 0) { |
| hash[0]++; |
| TEST_ASSERT(mbedtls_pk_verify_restartable(&pk, MBEDTLS_MD_SHA256, |
| hash, sizeof(hash), sig, sig_len, rs_ctx) != 0); |
| hash[0]--; |
| |
| sig[0]++; |
| TEST_ASSERT(mbedtls_pk_verify_restartable(&pk, MBEDTLS_MD_SHA256, |
| hash, sizeof(hash), sig, sig_len, rs_ctx) != 0); |
| sig[0]--; |
| } |
| |
| exit: |
| #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) |
| mbedtls_pk_restart_free(rs_ctx); |
| #endif |
| mbedtls_pk_free(&pk); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ |
| void pk_rsa_encrypt_decrypt_test(data_t *message, int mod, |
| char *input_P, char *input_Q, |
| char *input_N, char *input_E, |
| int ret) |
| { |
| unsigned char output[300], result[300]; |
| mbedtls_test_rnd_pseudo_info rnd_info; |
| mbedtls_mpi N, P, Q, E; |
| mbedtls_rsa_context *rsa; |
| mbedtls_pk_context pk; |
| size_t olen, rlen; |
| |
| mbedtls_pk_init(&pk); |
| mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); |
| mbedtls_mpi_init(&Q); mbedtls_mpi_init(&E); |
| |
| memset(&rnd_info, 0, sizeof(mbedtls_test_rnd_pseudo_info)); |
| memset(output, 0, sizeof(output)); |
| |
| USE_PSA_INIT(); |
| |
| /* encryption test */ |
| |
| /* init pk-rsa context */ |
| TEST_ASSERT(mbedtls_pk_setup(&pk, mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)) == 0); |
| rsa = mbedtls_pk_rsa(pk); |
| |
| /* load public key */ |
| rsa->len = mod / 8; |
| TEST_ASSERT(mbedtls_test_read_mpi(&rsa->N, input_N) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&rsa->E, input_E) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_encrypt(&pk, message->x, message->len, |
| output, &olen, sizeof(output), |
| mbedtls_test_rnd_pseudo_rand, &rnd_info) == ret); |
| |
| /* decryption test */ |
| mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); |
| mbedtls_mpi_init(&Q); mbedtls_mpi_init(&E); |
| |
| /* init pk-rsa context */ |
| mbedtls_pk_free(&pk); |
| TEST_ASSERT(mbedtls_pk_setup(&pk, |
| mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)) == 0); |
| rsa = mbedtls_pk_rsa(pk); |
| |
| /* load public key */ |
| TEST_ASSERT(mbedtls_test_read_mpi(&N, input_N) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&E, input_E) == 0); |
| |
| /* load private key */ |
| TEST_ASSERT(mbedtls_test_read_mpi(&P, input_P) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&Q, input_Q) == 0); |
| TEST_ASSERT(mbedtls_rsa_import(rsa, &N, &P, &Q, NULL, &E) == 0); |
| TEST_ASSERT(mbedtls_rsa_get_len(rsa) == (size_t) (mod / 8)); |
| TEST_ASSERT(mbedtls_rsa_complete(rsa) == 0); |
| |
| memset(result, 0, sizeof(result)); |
| rlen = 0; |
| TEST_ASSERT(mbedtls_pk_decrypt(&pk, output, olen, |
| result, &rlen, sizeof(result), |
| mbedtls_test_rnd_pseudo_rand, &rnd_info) == ret); |
| if (ret == 0) { |
| TEST_ASSERT(rlen == message->len); |
| TEST_ASSERT(memcmp(result, message->x, rlen) == 0); |
| } |
| |
| exit: |
| mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); |
| mbedtls_mpi_free(&Q); mbedtls_mpi_free(&E); |
| mbedtls_pk_free(&pk); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ |
| void pk_rsa_decrypt_test_vec(data_t *cipher, int mod, |
| char *input_P, char *input_Q, |
| char *input_N, char *input_E, |
| data_t *clear, int ret) |
| { |
| unsigned char output[256]; |
| mbedtls_test_rnd_pseudo_info rnd_info; |
| mbedtls_mpi N, P, Q, E; |
| mbedtls_rsa_context *rsa; |
| mbedtls_pk_context pk; |
| size_t olen; |
| |
| USE_PSA_INIT(); |
| |
| mbedtls_pk_init(&pk); |
| mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); |
| mbedtls_mpi_init(&Q); mbedtls_mpi_init(&E); |
| |
| memset(&rnd_info, 0, sizeof(mbedtls_test_rnd_pseudo_info)); |
| |
| |
| /* init pk-rsa context */ |
| TEST_ASSERT(mbedtls_pk_setup(&pk, mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)) == 0); |
| rsa = mbedtls_pk_rsa(pk); |
| |
| /* load public key */ |
| TEST_ASSERT(mbedtls_test_read_mpi(&N, input_N) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&E, input_E) == 0); |
| |
| /* load private key */ |
| TEST_ASSERT(mbedtls_test_read_mpi(&P, input_P) == 0); |
| TEST_ASSERT(mbedtls_test_read_mpi(&Q, input_Q) == 0); |
| TEST_ASSERT(mbedtls_rsa_import(rsa, &N, &P, &Q, NULL, &E) == 0); |
| TEST_ASSERT(mbedtls_rsa_get_len(rsa) == (size_t) (mod / 8)); |
| TEST_ASSERT(mbedtls_rsa_complete(rsa) == 0); |
| |
| /* decryption test */ |
| memset(output, 0, sizeof(output)); |
| olen = 0; |
| TEST_ASSERT(mbedtls_pk_decrypt(&pk, cipher->x, cipher->len, |
| output, &olen, sizeof(output), |
| mbedtls_test_rnd_pseudo_rand, &rnd_info) == ret); |
| if (ret == 0) { |
| TEST_ASSERT(olen == clear->len); |
| TEST_ASSERT(memcmp(output, clear->x, olen) == 0); |
| } |
| |
| exit: |
| mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); |
| mbedtls_mpi_free(&Q); mbedtls_mpi_free(&E); |
| mbedtls_pk_free(&pk); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C:MBEDTLS_USE_PSA_CRYPTO */ |
| void pk_wrap_rsa_decrypt_test_vec(data_t *cipher, int mod, |
| char *input_P, char *input_Q, |
| char *input_N, char *input_E, |
| data_t *clear, int ret) |
| { |
| unsigned char output[256]; |
| mbedtls_test_rnd_pseudo_info rnd_info; |
| mbedtls_mpi N, P, Q, E; |
| mbedtls_rsa_context *rsa; |
| mbedtls_pk_context pk; |
| mbedtls_svc_key_id_t key_id; |
| size_t olen; |
| |
| USE_PSA_INIT(); |
| |
| mbedtls_pk_init(&pk); |
| mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); |
| mbedtls_mpi_init(&Q); mbedtls_mpi_init(&E); |
| |
| memset(&rnd_info, 0, sizeof(mbedtls_test_rnd_pseudo_info)); |
| |
| /* init pk-rsa context */ |
| TEST_EQUAL(mbedtls_pk_setup(&pk, |
| mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)), 0); |
| rsa = mbedtls_pk_rsa(pk); |
| |
| /* load public key */ |
| TEST_EQUAL(mbedtls_test_read_mpi(&N, input_N), 0); |
| TEST_EQUAL(mbedtls_test_read_mpi(&E, input_E), 0); |
| |
| /* load private key */ |
| TEST_EQUAL(mbedtls_test_read_mpi(&P, input_P), 0); |
| TEST_EQUAL(mbedtls_test_read_mpi(&Q, input_Q), 0); |
| TEST_EQUAL(mbedtls_rsa_import(rsa, &N, &P, &Q, NULL, &E), 0); |
| TEST_EQUAL(mbedtls_rsa_get_len(rsa), (size_t) (mod / 8)); |
| TEST_EQUAL(mbedtls_rsa_complete(rsa), 0); |
| |
| /* Turn PK context into an opaque one. */ |
| TEST_EQUAL(mbedtls_pk_wrap_as_opaque(&pk, &key_id, |
| PSA_ALG_RSA_PKCS1V15_CRYPT, |
| PSA_KEY_USAGE_DECRYPT, |
| PSA_ALG_NONE), 0); |
| |
| /* decryption test */ |
| memset(output, 0, sizeof(output)); |
| olen = 0; |
| TEST_EQUAL(mbedtls_pk_decrypt(&pk, cipher->x, cipher->len, |
| output, &olen, sizeof(output), |
| mbedtls_test_rnd_pseudo_rand, &rnd_info), ret); |
| if (ret == 0) { |
| TEST_EQUAL(olen, clear->len); |
| TEST_EQUAL(memcmp(output, clear->x, olen), 0); |
| } |
| |
| TEST_EQUAL(PSA_SUCCESS, psa_destroy_key(key_id)); |
| |
| exit: |
| mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); |
| mbedtls_mpi_free(&Q); mbedtls_mpi_free(&E); |
| mbedtls_pk_free(&pk); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void pk_ec_nocrypt(int type) |
| { |
| mbedtls_pk_context pk; |
| unsigned char output[100]; |
| unsigned char input[100]; |
| mbedtls_test_rnd_pseudo_info rnd_info; |
| size_t olen = 0; |
| int ret = MBEDTLS_ERR_PK_TYPE_MISMATCH; |
| |
| mbedtls_pk_init(&pk); |
| |
| memset(&rnd_info, 0, sizeof(mbedtls_test_rnd_pseudo_info)); |
| memset(output, 0, sizeof(output)); |
| memset(input, 0, sizeof(input)); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pk, mbedtls_pk_info_from_type(type)) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_encrypt(&pk, input, sizeof(input), |
| output, &olen, sizeof(output), |
| mbedtls_test_rnd_pseudo_rand, &rnd_info) == ret); |
| |
| TEST_ASSERT(mbedtls_pk_decrypt(&pk, input, sizeof(input), |
| output, &olen, sizeof(output), |
| mbedtls_test_rnd_pseudo_rand, &rnd_info) == ret); |
| |
| exit: |
| mbedtls_pk_free(&pk); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ |
| void pk_rsa_overflow() |
| { |
| mbedtls_pk_context pk; |
| size_t hash_len = SIZE_MAX, sig_len = SIZE_MAX; |
| unsigned char hash[50], sig[100]; |
| |
| memset(hash, 0x2a, sizeof(hash)); |
| memset(sig, 0, sizeof(sig)); |
| |
| mbedtls_pk_init(&pk); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pk, |
| mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)) == 0); |
| |
| #if defined(MBEDTLS_PKCS1_V21) |
| TEST_ASSERT(mbedtls_pk_verify_ext(MBEDTLS_PK_RSASSA_PSS, NULL, &pk, |
| MBEDTLS_MD_NONE, hash, hash_len, sig, sig_len) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| #endif /* MBEDTLS_PKCS1_V21 */ |
| |
| TEST_ASSERT(mbedtls_pk_verify(&pk, MBEDTLS_MD_NONE, hash, hash_len, |
| sig, sig_len) == MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| TEST_ASSERT(mbedtls_pk_sign(&pk, MBEDTLS_MD_NONE, hash, hash_len, |
| sig, sizeof(sig), &sig_len, |
| mbedtls_test_rnd_std_rand, NULL) |
| == MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| |
| exit: |
| mbedtls_pk_free(&pk); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C:MBEDTLS_PK_RSA_ALT_SUPPORT */ |
| void pk_rsa_alt() |
| { |
| /* |
| * An rsa_alt context can only do private operations (decrypt, sign). |
| * Test it against the public operations (encrypt, verify) of a |
| * corresponding rsa context. |
| */ |
| mbedtls_rsa_context raw; |
| mbedtls_pk_context rsa, alt; |
| mbedtls_pk_debug_item dbg_items[10]; |
| unsigned char hash[50], sig[64]; |
| unsigned char msg[50], ciph[64], test[50]; |
| size_t sig_len, ciph_len, test_len; |
| int ret = MBEDTLS_ERR_PK_TYPE_MISMATCH; |
| |
| USE_PSA_INIT(); |
| |
| mbedtls_rsa_init(&raw); |
| mbedtls_pk_init(&rsa); mbedtls_pk_init(&alt); |
| |
| memset(hash, 0x2a, sizeof(hash)); |
| memset(sig, 0, sizeof(sig)); |
| memset(msg, 0x2a, sizeof(msg)); |
| memset(ciph, 0, sizeof(ciph)); |
| memset(test, 0, sizeof(test)); |
| |
| /* Initialize PK RSA context with random key */ |
| TEST_ASSERT(mbedtls_pk_setup(&rsa, |
| mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)) == 0); |
| TEST_ASSERT(pk_genkey(&rsa, RSA_KEY_SIZE) == 0); |
| |
| /* Extract key to the raw rsa context */ |
| TEST_ASSERT(mbedtls_rsa_copy(&raw, mbedtls_pk_rsa(rsa)) == 0); |
| |
| /* Initialize PK RSA_ALT context */ |
| TEST_ASSERT(mbedtls_pk_setup_rsa_alt(&alt, (void *) &raw, |
| mbedtls_rsa_decrypt_func, mbedtls_rsa_sign_func, |
| mbedtls_rsa_key_len_func) == 0); |
| |
| /* Test administrative functions */ |
| TEST_ASSERT(mbedtls_pk_can_do(&alt, MBEDTLS_PK_RSA)); |
| TEST_ASSERT(mbedtls_pk_get_bitlen(&alt) == RSA_KEY_SIZE); |
| TEST_ASSERT(mbedtls_pk_get_len(&alt) == RSA_KEY_LEN); |
| TEST_ASSERT(mbedtls_pk_get_type(&alt) == MBEDTLS_PK_RSA_ALT); |
| TEST_ASSERT(strcmp(mbedtls_pk_get_name(&alt), "RSA-alt") == 0); |
| |
| /* Test signature */ |
| #if SIZE_MAX > UINT_MAX |
| TEST_ASSERT(mbedtls_pk_sign(&alt, MBEDTLS_MD_NONE, hash, SIZE_MAX, |
| sig, sizeof(sig), &sig_len, |
| mbedtls_test_rnd_std_rand, NULL) |
| == MBEDTLS_ERR_PK_BAD_INPUT_DATA); |
| #endif /* SIZE_MAX > UINT_MAX */ |
| TEST_ASSERT(mbedtls_pk_sign(&alt, MBEDTLS_MD_NONE, hash, sizeof(hash), |
| sig, sizeof(sig), &sig_len, |
| mbedtls_test_rnd_std_rand, NULL) |
| == 0); |
| TEST_ASSERT(sig_len == RSA_KEY_LEN); |
| TEST_ASSERT(mbedtls_pk_verify(&rsa, MBEDTLS_MD_NONE, |
| hash, sizeof(hash), sig, sig_len) == 0); |
| |
| /* Test decrypt */ |
| TEST_ASSERT(mbedtls_pk_encrypt(&rsa, msg, sizeof(msg), |
| ciph, &ciph_len, sizeof(ciph), |
| mbedtls_test_rnd_std_rand, NULL) == 0); |
| TEST_ASSERT(mbedtls_pk_decrypt(&alt, ciph, ciph_len, |
| test, &test_len, sizeof(test), |
| mbedtls_test_rnd_std_rand, NULL) == 0); |
| TEST_ASSERT(test_len == sizeof(msg)); |
| TEST_ASSERT(memcmp(test, msg, test_len) == 0); |
| |
| /* Test forbidden operations */ |
| TEST_ASSERT(mbedtls_pk_encrypt(&alt, msg, sizeof(msg), |
| ciph, &ciph_len, sizeof(ciph), |
| mbedtls_test_rnd_std_rand, NULL) == ret); |
| TEST_ASSERT(mbedtls_pk_verify(&alt, MBEDTLS_MD_NONE, |
| hash, sizeof(hash), sig, sig_len) == ret); |
| TEST_ASSERT(mbedtls_pk_debug(&alt, dbg_items) == ret); |
| |
| exit: |
| mbedtls_rsa_free(&raw); |
| mbedtls_pk_free(&rsa); mbedtls_pk_free(&alt); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA:MBEDTLS_USE_PSA_CRYPTO */ |
| void pk_psa_sign(int parameter_arg, |
| int psa_type_arg, int expected_bits_arg) |
| { |
| mbedtls_pk_context pk; |
| unsigned char hash[32]; |
| unsigned char sig[MBEDTLS_PK_SIGNATURE_MAX_SIZE]; |
| unsigned char pkey_legacy[200]; |
| unsigned char pkey_psa[200]; |
| unsigned char *pkey_legacy_start, *pkey_psa_start; |
| psa_algorithm_t alg_psa; |
| size_t sig_len, klen_legacy, klen_psa; |
| int ret; |
| mbedtls_svc_key_id_t key_id; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| psa_key_type_t expected_type = psa_type_arg; |
| size_t expected_bits = expected_bits_arg; |
| |
| /* |
| * This tests making signatures with a wrapped PSA key: |
| * - generate a fresh ECP/RSA legacy PK context |
| * - wrap it in a PK context and make a signature this way |
| * - extract the public key |
| * - parse it to a PK context and verify the signature this way |
| */ |
| |
| PSA_ASSERT(psa_crypto_init()); |
| |
| #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME) |
| if (PSA_KEY_TYPE_IS_RSA(psa_type_arg)) { |
| /* Create legacy RSA public/private key in PK context. */ |
| mbedtls_pk_init(&pk); |
| TEST_ASSERT(mbedtls_pk_setup(&pk, |
| mbedtls_pk_info_from_type(MBEDTLS_PK_RSA)) == 0); |
| TEST_ASSERT(mbedtls_rsa_gen_key(mbedtls_pk_rsa(pk), |
| mbedtls_test_rnd_std_rand, NULL, |
| parameter_arg, 3) == 0); |
| alg_psa = PSA_ALG_RSA_PKCS1V15_SIGN(PSA_ALG_SHA_256); |
| } else |
| #endif /* MBEDTLS_RSA_C && MBEDTLS_GENPRIME */ |
| #if defined(MBEDTLS_PK_CAN_ECDSA_SIGN) |
| if (PSA_KEY_TYPE_IS_ECC_KEY_PAIR(psa_type_arg)) { |
| mbedtls_ecp_group_id grpid = parameter_arg; |
| |
| /* Create legacy EC public/private key in PK context. */ |
| mbedtls_pk_init(&pk); |
| TEST_ASSERT(mbedtls_pk_setup(&pk, |
| mbedtls_pk_info_from_type(MBEDTLS_PK_ECKEY)) == 0); |
| TEST_ASSERT(mbedtls_ecp_gen_key(grpid, |
| (mbedtls_ecp_keypair *) pk.pk_ctx, |
| mbedtls_test_rnd_std_rand, NULL) == 0); |
| alg_psa = PSA_ALG_ECDSA(PSA_ALG_SHA_256); |
| } else |
| #endif /* MBEDTLS_PK_CAN_ECDSA_SIGN */ |
| { |
| (void) parameter_arg; |
| TEST_ASSUME(!"Opaque PK key not supported in this configuration"); |
| } |
| |
| /* Export underlying public key for re-importing in a legacy context. */ |
| #if defined(MBEDTLS_PK_WRITE_C) |
| ret = mbedtls_pk_write_pubkey_der(&pk, pkey_legacy, |
| sizeof(pkey_legacy)); |
| TEST_ASSERT(ret >= 0); |
| klen_legacy = (size_t) ret; |
| /* mbedtls_pk_write_pubkey_der() writes backwards in the data buffer. */ |
| pkey_legacy_start = pkey_legacy + sizeof(pkey_legacy) - klen_legacy; |
| #else |
| ret = mbedtls_ecp_point_write_binary(&(mbedtls_pk_ec(pk)->grp), |
| &(mbedtls_pk_ec(pk)->Q), |
| MBEDTLS_ECP_PF_UNCOMPRESSED, |
| &klen_legacy, pkey_legacy, |
| sizeof(pkey_legacy)); |
| TEST_EQUAL(ret, 0); |
| pkey_legacy_start = pkey_legacy; |
| #endif /* MBEDTLS_PK_WRITE_C */ |
| |
| /* Turn PK context into an opaque one. */ |
| TEST_ASSERT(mbedtls_pk_wrap_as_opaque(&pk, &key_id, alg_psa, |
| PSA_KEY_USAGE_SIGN_HASH, |
| PSA_ALG_NONE) == 0); |
| |
| PSA_ASSERT(psa_get_key_attributes(key_id, &attributes)); |
| TEST_EQUAL(psa_get_key_type(&attributes), expected_type); |
| TEST_EQUAL(psa_get_key_bits(&attributes), expected_bits); |
| TEST_EQUAL(psa_get_key_lifetime(&attributes), |
| PSA_KEY_LIFETIME_VOLATILE); |
| |
| memset(hash, 0x2a, sizeof(hash)); |
| memset(sig, 0, sizeof(sig)); |
| |
| TEST_ASSERT(mbedtls_pk_sign(&pk, MBEDTLS_MD_SHA256, |
| hash, sizeof(hash), sig, sizeof(sig), &sig_len, |
| NULL, NULL) == 0); |
| |
| /* Export underlying public key for re-importing in a psa context. */ |
| #if defined(MBEDTLS_PK_WRITE_C) |
| ret = mbedtls_pk_write_pubkey_der(&pk, pkey_psa, |
| sizeof(pkey_psa)); |
| TEST_ASSERT(ret >= 0); |
| klen_psa = (size_t) ret; |
| /* mbedtls_pk_write_pubkey_der() writes backwards in the data buffer. */ |
| pkey_psa_start = pkey_psa + sizeof(pkey_psa) - klen_psa; |
| #else |
| psa_status_t status; |
| |
| status = psa_export_public_key(key_id, pkey_psa, sizeof(pkey_psa), |
| &klen_psa); |
| TEST_EQUAL(status, PSA_SUCCESS); |
| pkey_psa_start = pkey_psa; |
| #endif /* MBEDTLS_PK_WRITE_C */ |
| |
| TEST_ASSERT(klen_psa == klen_legacy); |
| TEST_ASSERT(memcmp(pkey_psa_start, pkey_legacy_start, klen_psa) == 0); |
| |
| mbedtls_pk_free(&pk); |
| TEST_ASSERT(PSA_SUCCESS == psa_destroy_key(key_id)); |
| |
| mbedtls_pk_init(&pk); |
| |
| /* If we used "pk_write" previously, then we go for a "pk_parse" here; |
| * otherwise if we went for "ecp_point_write_binary" then we'll go |
| * for a "ecp_point_read_binary" here. This allows to drop dependencies |
| * on "PK_WRITE" and "PK_PARSE" if required */ |
| #if defined(MBEDTLS_PK_WRITE_C) && defined(MBEDTLS_PK_PARSE_C) |
| TEST_EQUAL(mbedtls_pk_parse_public_key(&pk, pkey_legacy_start, |
| klen_legacy), 0); |
| #else |
| TEST_EQUAL(mbedtls_pk_setup(&pk, |
| mbedtls_pk_info_from_type(MBEDTLS_PK_ECKEY)), 0); |
| TEST_EQUAL(mbedtls_ecp_group_load( |
| &(mbedtls_pk_ec(pk)->grp), |
| (mbedtls_ecp_group_id) parameter_arg), 0); |
| TEST_EQUAL(mbedtls_ecp_point_read_binary(&(mbedtls_pk_ec(pk)->grp), |
| &(mbedtls_pk_ec(pk)->Q), |
| pkey_legacy_start, klen_legacy), 0); |
| #endif |
| TEST_ASSERT(mbedtls_pk_verify(&pk, MBEDTLS_MD_SHA256, |
| hash, sizeof(hash), sig, sig_len) == 0); |
| |
| exit: |
| /* |
| * Key attributes may have been returned by psa_get_key_attributes() |
| * thus reset them as required. |
| */ |
| psa_reset_key_attributes(&attributes); |
| |
| mbedtls_pk_free(&pk); |
| USE_PSA_DONE(); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_C:MBEDTLS_GENPRIME */ |
| void pk_psa_sign_ext(int pk_type, int parameter, int key_pk_type, int md_alg) |
| { |
| /* See the description of pk_genkey() for the description of the `parameter` argument. */ |
| mbedtls_pk_context pk; |
| size_t sig_len; |
| unsigned char sig[MBEDTLS_PK_SIGNATURE_MAX_SIZE]; |
| unsigned char hash[PSA_HASH_MAX_SIZE]; |
| size_t hash_len = mbedtls_hash_info_get_size(md_alg); |
| void const *options = NULL; |
| mbedtls_pk_rsassa_pss_options rsassa_pss_options; |
| memset(hash, 0x2a, sizeof(hash)); |
| memset(sig, 0, sizeof(sig)); |
| |
| mbedtls_pk_init(&pk); |
| PSA_INIT(); |
| |
| TEST_ASSERT(mbedtls_pk_setup(&pk, |
| mbedtls_pk_info_from_type(pk_type)) == 0); |
| |
| TEST_ASSERT(pk_genkey(&pk, parameter) == 0); |
| |
| TEST_ASSERT(mbedtls_pk_sign_ext(key_pk_type, &pk, md_alg, hash, hash_len, |
| sig, sizeof(sig), &sig_len, |
| mbedtls_test_rnd_std_rand, NULL) == 0); |
| |
| if (key_pk_type == MBEDTLS_PK_RSASSA_PSS) { |
| rsassa_pss_options.mgf1_hash_id = md_alg; |
| TEST_ASSERT(hash_len != 0); |
| rsassa_pss_options.expected_salt_len = hash_len; |
| options = (const void *) &rsassa_pss_options; |
| } |
| TEST_ASSERT(mbedtls_pk_verify_ext(key_pk_type, options, &pk, md_alg, |
| hash, hash_len, sig, sig_len) == 0); |
| exit: |
| PSA_DONE(); |
| mbedtls_pk_free(&pk); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C:MBEDTLS_GENPRIME:MBEDTLS_USE_PSA_CRYPTO */ |
| void pk_psa_wrap_sign_ext(int pk_type, int parameter, int key_pk_type, int md_alg) |
| { |
| /* See the description of mbedtls_rsa_gen_key() for the description of the `parameter` argument. */ |
| mbedtls_pk_context pk; |
| size_t sig_len, pkey_len; |
| mbedtls_svc_key_id_t key_id; |
| unsigned char sig[MBEDTLS_PK_SIGNATURE_MAX_SIZE]; |
| unsigned char pkey[PSA_EXPORT_PUBLIC_KEY_MAX_SIZE]; |
| unsigned char *pkey_start; |
| unsigned char hash[PSA_HASH_MAX_SIZE]; |
| psa_algorithm_t psa_md_alg = mbedtls_hash_info_psa_from_md(md_alg); |
| psa_algorithm_t psa_alg; |
| size_t hash_len = PSA_HASH_LENGTH(psa_md_alg); |
| void const *options = NULL; |
| mbedtls_pk_rsassa_pss_options rsassa_pss_options; |
| int ret; |
| |
| mbedtls_pk_init(&pk); |
| PSA_INIT(); |
| |
| /* Create legacy RSA public/private key in PK context. */ |
| mbedtls_pk_init(&pk); |
| TEST_EQUAL(mbedtls_pk_setup(&pk, |
| mbedtls_pk_info_from_type(pk_type)), 0); |
| TEST_EQUAL(mbedtls_rsa_gen_key(mbedtls_pk_rsa(pk), |
| mbedtls_test_rnd_std_rand, NULL, |
| parameter, 3), 0); |
| |
| /* Export underlying public key for re-importing in a legacy context. */ |
| ret = mbedtls_pk_write_pubkey_der(&pk, pkey, sizeof(pkey)); |
| TEST_ASSERT(ret >= 0); |
| |
| pkey_len = (size_t) ret; |
| /* mbedtls_pk_write_pubkey_der() writes backwards in the data buffer. */ |
| pkey_start = pkey + sizeof(pkey) - pkey_len; |
| |
| if (key_pk_type == MBEDTLS_PK_RSA) { |
| psa_alg = PSA_ALG_RSA_PKCS1V15_SIGN(psa_md_alg); |
| } else if (key_pk_type == MBEDTLS_PK_RSASSA_PSS) { |
| psa_alg = PSA_ALG_RSA_PSS(psa_md_alg); |
| } else { |
| TEST_ASSUME(!"PK key type not supported in this configuration"); |
| } |
| |
| /* Turn PK context into an opaque one. */ |
| TEST_EQUAL(mbedtls_pk_wrap_as_opaque(&pk, &key_id, psa_alg, |
| PSA_KEY_USAGE_SIGN_HASH, |
| PSA_ALG_NONE), 0); |
| |
| memset(hash, 0x2a, sizeof(hash)); |
| memset(sig, 0, sizeof(sig)); |
| |
| TEST_EQUAL(mbedtls_pk_sign_ext(key_pk_type, &pk, md_alg, hash, hash_len, |
| sig, sizeof(sig), &sig_len, |
| mbedtls_test_rnd_std_rand, NULL), 0); |
| |
| mbedtls_pk_free(&pk); |
| TEST_EQUAL(PSA_SUCCESS, psa_destroy_key(key_id)); |
| |
| mbedtls_pk_init(&pk); |
| TEST_EQUAL(mbedtls_pk_parse_public_key(&pk, pkey_start, pkey_len), 0); |
| |
| if (key_pk_type == MBEDTLS_PK_RSASSA_PSS) { |
| rsassa_pss_options.mgf1_hash_id = md_alg; |
| TEST_ASSERT(hash_len != 0); |
| rsassa_pss_options.expected_salt_len = hash_len; |
| options = (const void *) &rsassa_pss_options; |
| } |
| TEST_EQUAL(mbedtls_pk_verify_ext(key_pk_type, options, &pk, md_alg, |
| hash, hash_len, sig, sig_len), 0); |
| |
| exit: |
| mbedtls_pk_free(&pk); |
| PSA_DONE(); |
| } |
| /* END_CASE */ |