| /* 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 <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/ARMmbed/mbedtls/issues/2023). */ |
| #include "psa/crypto.h" |
| |
| #if defined(MBEDTLS_USE_PSA_CRYPTO) |
| #include "mbedtls/psa_util.h" |
| #include "psa_crypto_helpers.h" |
| #define PSA_INIT( ) PSA_ASSERT( psa_crypto_init( ) ) |
| #else |
| /* Define empty macros so that we can use them in the preamble and teardown |
| * of every test function that uses PSA conditionally based on |
| * MBEDTLS_USE_PSA_CRYPTO. */ |
| #define PSA_INIT( ) ( (void) 0 ) |
| #define PSA_DONE( ) ( (void) 0 ) |
| #endif |
| |
| static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len ); |
| |
| #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 ), |
| 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, rnd_std_rand, NULL ); |
| } |
| #endif |
| return( -1 ); |
| } |
| |
| #if defined(MBEDTLS_RSA_C) |
| int mbedtls_rsa_decrypt_func( void *ctx, int mode, size_t *olen, |
| const unsigned char *input, unsigned char *output, |
| size_t output_max_len ) |
| { |
| return( mbedtls_rsa_pkcs1_decrypt( (mbedtls_rsa_context *) ctx, |
| rnd_std_rand, NULL, mode, olen, |
| input, output, output_max_len ) ); |
| } |
| int mbedtls_rsa_sign_func( void *ctx, |
| int (*f_rng)(void *, unsigned char *, size_t), void *p_rng, |
| int mode, 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, rnd_std_rand, NULL, mode, |
| 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 a key using PSA and return a handle to that key, |
| * or 0 if the key generation failed. |
| * The key uses NIST P-256 and is usable for signing with SHA-256. |
| */ |
| psa_key_handle_t pk_psa_genkey( void ) |
| { |
| psa_key_handle_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_CURVE_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 ); |
| } |
| #endif /* MBEDTLS_USE_PSA_CRYPTO */ |
| /* END_HEADER */ |
| |
| /* BEGIN_DEPENDENCIES |
| * depends_on:MBEDTLS_PK_C |
| * END_DEPENDENCIES |
| */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_ECDSA_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED */ |
| void pk_psa_utils( ) |
| { |
| mbedtls_pk_context pk, pk2; |
| psa_key_handle_t key; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| |
| const char * const name = "Opaque"; |
| const size_t bitlen = 256; /* harcoded in genkey() */ |
| |
| 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, 0 ) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA ); |
| |
| mbedtls_pk_free( &pk ); |
| mbedtls_pk_init( &pk ); |
| |
| key = pk_psa_genkey(); |
| if( key == 0 ) |
| 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 ); |
| |
| 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 ); |
| 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 */ |
| TEST_ASSERT( mbedtls_pk_setup( &pk2, |
| mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY ) ) == 0 ); |
| TEST_ASSERT( mbedtls_pk_check_pair( &pk, &pk2 ) |
| == 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: |
| mbedtls_pk_free( &pk ); /* redundant except upon error */ |
| mbedtls_pk_free( &pk2 ); |
| PSA_DONE( ); |
| } |
| /* 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_VALID_PARAM( mbedtls_pk_free( NULL ) ); |
| |
| #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) |
| TEST_VALID_PARAM( mbedtls_pk_restart_free( NULL ) ); |
| #endif |
| |
| 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, &len, |
| rnd_std_rand, NULL, |
| NULL ) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA ); |
| |
| TEST_ASSERT( mbedtls_pk_sign_restartable( &pk, |
| MBEDTLS_MD_NONE, |
| NULL, 0, |
| buf, &len, |
| rnd_std_rand, NULL, |
| NULL ) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA ); |
| |
| TEST_ASSERT( mbedtls_pk_sign( &pk, |
| MBEDTLS_MD_NONE, |
| NULL, 0, |
| buf, &len, |
| 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, |
| rnd_std_rand, NULL ) == |
| MBEDTLS_ERR_PK_BAD_INPUT_DATA ); |
| |
| TEST_ASSERT( mbedtls_pk_decrypt( &pk, |
| NULL, 0, |
| NULL, &len, 0, |
| 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_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 ) == 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 depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */ |
| void invalid_parameters( ) |
| { |
| size_t len; |
| unsigned char *null_buf = NULL; |
| unsigned char buf[1]; |
| unsigned char *p = buf; |
| char str[1] = {0}; |
| mbedtls_pk_context pk; |
| mbedtls_md_type_t valid_md = MBEDTLS_MD_SHA256; |
| void *options = buf; |
| |
| (void) null_buf; |
| (void) p; |
| (void) str; |
| |
| mbedtls_pk_init( &pk ); |
| |
| TEST_INVALID_PARAM( mbedtls_pk_init( NULL ) ); |
| |
| #if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) |
| TEST_INVALID_PARAM( mbedtls_pk_restart_init( NULL ) ); |
| #endif |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_setup( NULL, NULL ) ); |
| |
| #if defined(MBEDTLS_PK_RSA_ALT_SUPPORT) |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_setup_rsa_alt( NULL, buf, |
| NULL, NULL, NULL ) ); |
| #endif |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_restartable( NULL, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| buf, sizeof( buf ), |
| NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_restartable( &pk, |
| MBEDTLS_MD_NONE, |
| NULL, sizeof( buf ), |
| buf, sizeof( buf ), |
| NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_restartable( &pk, |
| valid_md, |
| NULL, 0, |
| buf, sizeof( buf ), |
| NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_restartable( &pk, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| NULL, sizeof( buf ), |
| NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify( NULL, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify( &pk, |
| MBEDTLS_MD_NONE, |
| NULL, sizeof( buf ), |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify( &pk, |
| valid_md, |
| NULL, 0, |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify( &pk, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| NULL, sizeof( buf ) ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options, |
| NULL, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options, |
| &pk, |
| MBEDTLS_MD_NONE, |
| NULL, sizeof( buf ), |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options, |
| &pk, |
| valid_md, |
| NULL, 0, |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options, |
| &pk, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| NULL, sizeof( buf ) ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign_restartable( NULL, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| buf, &len, |
| rnd_std_rand, NULL, |
| NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign_restartable( &pk, |
| MBEDTLS_MD_NONE, |
| NULL, sizeof( buf ), |
| buf, &len, |
| rnd_std_rand, NULL, |
| NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign_restartable( &pk, |
| valid_md, |
| NULL, 0, |
| buf, &len, |
| rnd_std_rand, NULL, |
| NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign_restartable( &pk, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| NULL, &len, |
| rnd_std_rand, NULL, |
| NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign( NULL, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| buf, &len, |
| rnd_std_rand, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign( &pk, |
| MBEDTLS_MD_NONE, |
| NULL, sizeof( buf ), |
| buf, &len, |
| rnd_std_rand, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign( &pk, |
| valid_md, |
| NULL, 0, |
| buf, &len, |
| rnd_std_rand, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_sign( &pk, |
| MBEDTLS_MD_NONE, |
| buf, sizeof( buf ), |
| NULL, &len, |
| rnd_std_rand, NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_decrypt( NULL, |
| buf, sizeof( buf ), |
| buf, &len, sizeof( buf ), |
| rnd_std_rand, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_decrypt( &pk, |
| NULL, sizeof( buf ), |
| buf, &len, sizeof( buf ), |
| rnd_std_rand, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_decrypt( &pk, |
| buf, sizeof( buf ), |
| NULL, &len, sizeof( buf ), |
| rnd_std_rand, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_decrypt( &pk, |
| buf, sizeof( buf ), |
| buf, NULL, sizeof( buf ), |
| rnd_std_rand, NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_encrypt( NULL, |
| buf, sizeof( buf ), |
| buf, &len, sizeof( buf ), |
| rnd_std_rand, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_encrypt( &pk, |
| NULL, sizeof( buf ), |
| buf, &len, sizeof( buf ), |
| rnd_std_rand, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_encrypt( &pk, |
| buf, sizeof( buf ), |
| NULL, &len, sizeof( buf ), |
| rnd_std_rand, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_encrypt( &pk, |
| buf, sizeof( buf ), |
| buf, NULL, sizeof( buf ), |
| rnd_std_rand, NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_check_pair( NULL, &pk ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_check_pair( &pk, NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_debug( NULL, NULL ) ); |
| |
| #if defined(MBEDTLS_PK_PARSE_C) |
| #if defined(MBEDTLS_FS_IO) |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_load_file( NULL, &p, &len ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_load_file( str, NULL, &len ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_load_file( str, &p, NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_keyfile( NULL, str, NULL ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_keyfile( &pk, NULL, NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_public_keyfile( NULL, str ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_public_keyfile( &pk, NULL ) ); |
| #endif |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_subpubkey( NULL, buf, &pk ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_subpubkey( &null_buf, buf, &pk ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_subpubkey( &p, NULL, &pk ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_subpubkey( &p, buf, NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_key( NULL, |
| buf, sizeof( buf ), |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_key( &pk, |
| NULL, sizeof( buf ), |
| buf, sizeof( buf ) ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_public_key( NULL, |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_parse_public_key( &pk, |
| NULL, sizeof( buf ) ) ); |
| #endif /* MBEDTLS_PK_PARSE_C */ |
| |
| #if defined(MBEDTLS_PK_WRITE_C) |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_pubkey( NULL, p, &pk ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_pubkey( &null_buf, p, &pk ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_pubkey( &p, NULL, &pk ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_pubkey( &p, p, NULL ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_pubkey_der( NULL, |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_pubkey_der( &pk, |
| NULL, sizeof( buf ) ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_key_der( NULL, |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_key_der( &pk, |
| NULL, sizeof( buf ) ) ); |
| |
| #if defined(MBEDTLS_PEM_WRITE_C) |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_pubkey_pem( NULL, |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_pubkey_pem( &pk, |
| NULL, sizeof( buf ) ) ); |
| |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_key_pem( NULL, |
| buf, sizeof( buf ) ) ); |
| TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, |
| mbedtls_pk_write_key_pem( &pk, |
| NULL, sizeof( buf ) ) ); |
| #endif /* MBEDTLS_PEM_WRITE_C */ |
| |
| #endif /* MBEDTLS_PK_WRITE_C */ |
| } |
| /* 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; |
| |
| 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 ) == 0 ); |
| |
| TEST_ASSERT( mbedtls_pk_check_pair( &pub, &prv ) == 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 ) == ret ); |
| } |
| #endif |
| |
| mbedtls_pk_free( &pub ); |
| mbedtls_pk_free( &prv ); |
| mbedtls_pk_free( &alt ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ |
| void pk_rsa_verify_test_vec( data_t * message_str, int digest, int mod, |
| int radix_N, char * input_N, int radix_E, |
| char * input_E, data_t * result_str, |
| int result ) |
| { |
| unsigned char hash_result[MBEDTLS_MD_MAX_SIZE]; |
| 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 |
| |
| mbedtls_pk_init( &pk ); |
| |
| memset( hash_result, 0x00, MBEDTLS_MD_MAX_SIZE ); |
| |
| 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_mpi_read_string( &rsa->N, radix_N, input_N ) == 0 ); |
| TEST_ASSERT( mbedtls_mpi_read_string( &rsa->E, radix_E, input_E ) == 0 ); |
| |
| |
| if( mbedtls_md_info_from_type( digest ) != NULL ) |
| TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str->x, message_str->len, hash_result ) == 0 ); |
| |
| TEST_ASSERT( mbedtls_pk_verify( &pk, digest, hash_result, 0, |
| result_str->x, mbedtls_pk_get_len( &pk ) ) == result ); |
| |
| TEST_ASSERT( mbedtls_pk_verify_restartable( &pk, digest, hash_result, 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 ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ |
| void pk_rsa_verify_ext_test_vec( data_t * message_str, int digest, |
| int mod, int radix_N, char * input_N, |
| int radix_E, char * input_E, |
| data_t * result_str, int pk_type, |
| int mgf1_hash_id, int salt_len, int result ) |
| { |
| unsigned char hash_result[MBEDTLS_MD_MAX_SIZE]; |
| mbedtls_rsa_context *rsa; |
| mbedtls_pk_context pk; |
| mbedtls_pk_rsassa_pss_options pss_opts; |
| void *options; |
| size_t hash_len; |
| |
| mbedtls_pk_init( &pk ); |
| |
| memset( hash_result, 0x00, sizeof( hash_result ) ); |
| |
| 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_mpi_read_string( &rsa->N, radix_N, input_N ) == 0 ); |
| TEST_ASSERT( mbedtls_mpi_read_string( &rsa->E, radix_E, input_E ) == 0 ); |
| |
| |
| if( digest != MBEDTLS_MD_NONE ) |
| { |
| TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), |
| message_str->x, message_str->len, hash_result ) == 0 ); |
| hash_len = 0; |
| } |
| else |
| { |
| memcpy( hash_result, message_str->x, message_str->len ); |
| hash_len = message_str->len; |
| } |
| |
| 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; |
| } |
| |
| TEST_ASSERT( mbedtls_pk_verify_ext( pk_type, options, &pk, |
| digest, hash_result, hash_len, |
| result_str->x, mbedtls_pk_get_len( &pk ) ) == result ); |
| |
| exit: |
| mbedtls_pk_free( &pk ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_ECDSA_C */ |
| 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 ); |
| 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_SHA1 is a dummy - it is ignored, but has to be other than MBEDTLS_MD_NONE. |
| TEST_ASSERT( mbedtls_pk_verify( &pk, MBEDTLS_MD_SHA1, |
| hash->x, hash->len, sig->x, sig->len ) == ret ); |
| |
| exit: |
| mbedtls_pk_free( &pk ); |
| 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, char *msg, char *sig_str, |
| 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 hash[MBEDTLS_MD_MAX_SIZE]; |
| unsigned char sig[MBEDTLS_ECDSA_MAX_LEN]; |
| unsigned char sig_check[MBEDTLS_ECDSA_MAX_LEN]; |
| size_t hlen, slen, slen_check; |
| const mbedtls_md_info_t *md_info; |
| |
| mbedtls_pk_restart_init( &rs_ctx ); |
| mbedtls_pk_init( &prv ); |
| mbedtls_pk_init( &pub ); |
| memset( hash, 0, sizeof( hash ) ); |
| memset( sig, 0, sizeof( sig ) ); |
| memset( sig_check, 0, sizeof( sig_check ) ); |
| |
| 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_mpi_read_string( &mbedtls_pk_ec( prv )->d, 16, 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 ); |
| |
| slen_check = unhexify( sig_check, sig_str ); |
| |
| md_info = mbedtls_md_info_from_type( md_alg ); |
| TEST_ASSERT( md_info != NULL ); |
| |
| hlen = mbedtls_md_get_size( md_info ); |
| TEST_ASSERT( mbedtls_md( md_info, |
| (const unsigned char *) msg, strlen( msg ), |
| hash ) == 0 ); |
| |
| mbedtls_ecp_set_max_ops( max_ops ); |
| |
| slen = sizeof( sig ); |
| cnt_restart = 0; |
| do { |
| ret = mbedtls_pk_sign_restartable( &prv, md_alg, hash, hlen, |
| sig, &slen, NULL, NULL, &rs_ctx ); |
| } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart ); |
| |
| TEST_ASSERT( ret == 0 ); |
| TEST_ASSERT( slen == slen_check ); |
| TEST_ASSERT( memcmp( sig, sig_check, 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, hlen, 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 ); |
| |
| hash[0]++; |
| do { |
| ret = mbedtls_pk_verify_restartable( &pub, md_alg, |
| hash, hlen, sig, slen, &rs_ctx ); |
| } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS ); |
| TEST_ASSERT( ret != 0 ); |
| hash[0]--; |
| |
| sig[0]++; |
| do { |
| ret = mbedtls_pk_verify_restartable( &pub, md_alg, |
| hash, hlen, 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, hlen, 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, hlen, |
| sig, &slen, NULL, 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 ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */ |
| 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[MBEDTLS_MD_MAX_SIZE]; |
| 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 ); |
| 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, sizeof hash, sig, &sig_len, |
| 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, sizeof hash, sig, sig_len ) == verify_ret ); |
| |
| if( verify_ret == 0 ) |
| { |
| hash[0]++; |
| TEST_ASSERT( mbedtls_pk_verify( &pk, MBEDTLS_MD_SHA256, |
| hash, sizeof hash, sig, sig_len ) != 0 ); |
| hash[0]--; |
| |
| sig[0]++; |
| TEST_ASSERT( mbedtls_pk_verify( &pk, MBEDTLS_MD_SHA256, |
| hash, sizeof hash, sig, sig_len ) != 0 ); |
| sig[0]--; |
| } |
| |
| TEST_ASSERT( mbedtls_pk_sign( &pk, MBEDTLS_MD_SHA256, hash, sizeof hash, |
| sig, &sig_len, 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, sizeof hash, 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 ); |
| PSA_DONE( ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ |
| void pk_rsa_encrypt_test_vec( data_t * message, int mod, int radix_N, |
| char * input_N, int radix_E, char * input_E, |
| data_t * result, int ret ) |
| { |
| unsigned char output[300]; |
| rnd_pseudo_info rnd_info; |
| mbedtls_rsa_context *rsa; |
| mbedtls_pk_context pk; |
| size_t olen; |
| |
| memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) ); |
| memset( output, 0, sizeof( output ) ); |
| |
| |
| 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_mpi_read_string( &rsa->N, radix_N, input_N ) == 0 ); |
| TEST_ASSERT( mbedtls_mpi_read_string( &rsa->E, radix_E, input_E ) == 0 ); |
| |
| TEST_ASSERT( mbedtls_pk_encrypt( &pk, message->x, message->len, |
| output, &olen, sizeof( output ), |
| rnd_pseudo_rand, &rnd_info ) == ret ); |
| TEST_ASSERT( olen == result->len ); |
| TEST_ASSERT( memcmp( output, result->x, olen ) == 0 ); |
| |
| exit: |
| mbedtls_pk_free( &pk ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ |
| void pk_rsa_decrypt_test_vec( data_t * cipher, int mod, int radix_P, |
| char * input_P, int radix_Q, char * input_Q, |
| int radix_N, char * input_N, int radix_E, |
| char * input_E, data_t * clear, int ret ) |
| { |
| unsigned char output[256]; |
| rnd_pseudo_info rnd_info; |
| mbedtls_mpi N, P, Q, E; |
| mbedtls_rsa_context *rsa; |
| mbedtls_pk_context pk; |
| size_t olen; |
| |
| 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( 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_mpi_read_string( &N, radix_N, input_N ) == 0 ); |
| TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 ); |
| |
| /* load private key */ |
| TEST_ASSERT( mbedtls_mpi_read_string( &P, radix_P, input_P ) == 0 ); |
| TEST_ASSERT( mbedtls_mpi_read_string( &Q, radix_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 ), |
| 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 ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void pk_ec_nocrypt( int type ) |
| { |
| mbedtls_pk_context pk; |
| unsigned char output[100]; |
| unsigned char input[100]; |
| 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( 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 ), |
| rnd_pseudo_rand, &rnd_info ) == ret ); |
| |
| TEST_ASSERT( mbedtls_pk_decrypt( &pk, input, sizeof( input ), |
| output, &olen, sizeof( output ), |
| 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]; |
| |
| if( SIZE_MAX <= UINT_MAX ) |
| return; |
| |
| 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, &sig_len, |
| 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; |
| |
| mbedtls_rsa_init( &raw, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_NONE ); |
| 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 ); |
| |
| /* Initiliaze 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, &sig_len, 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, &sig_len, 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, |
| rnd_std_rand, NULL ) == 0 ); |
| TEST_ASSERT( mbedtls_pk_decrypt( &alt, ciph, ciph_len, |
| test, &test_len, sizeof 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, |
| 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 ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_SHA256_C:MBEDTLS_USE_PSA_CRYPTO:MBEDTLS_ECDSA_C */ |
| void pk_psa_sign( int grpid_arg, |
| int psa_curve_arg, int expected_bits_arg ) |
| { |
| mbedtls_ecp_group_id grpid = grpid_arg; |
| mbedtls_pk_context pk; |
| unsigned char hash[32]; |
| unsigned char sig[MBEDTLS_ECDSA_MAX_LEN]; |
| unsigned char pkey_legacy[200]; |
| unsigned char pkey_psa[200]; |
| unsigned char *pkey_legacy_start, *pkey_psa_start; |
| size_t sig_len, klen_legacy, klen_psa; |
| int ret; |
| psa_key_handle_t handle; |
| psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; |
| psa_key_type_t expected_type = PSA_KEY_TYPE_ECC_KEY_PAIR( psa_curve_arg ); |
| size_t expected_bits = expected_bits_arg; |
| |
| /* |
| * This tests making signatures with a wrapped PSA key: |
| * - generate a fresh ECP 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( ) ); |
| |
| /* 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, |
| rnd_std_rand, NULL ) == 0 ); |
| |
| /* Export underlying public key for re-importing in a legacy context. */ |
| 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; |
| |
| /* Turn PK context into an opaque one. */ |
| TEST_ASSERT( mbedtls_pk_wrap_as_opaque( &pk, &handle, |
| PSA_ALG_SHA_256 ) == 0 ); |
| |
| PSA_ASSERT( psa_get_key_attributes( handle, &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, &sig_len, |
| NULL, NULL ) == 0 ); |
| |
| /* Export underlying public key for re-importing in a psa context. */ |
| 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; |
| |
| 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( handle ) ); |
| |
| mbedtls_pk_init( &pk ); |
| TEST_ASSERT( mbedtls_pk_parse_public_key( &pk, pkey_legacy_start, |
| klen_legacy ) == 0 ); |
| TEST_ASSERT( mbedtls_pk_verify( &pk, MBEDTLS_MD_SHA256, |
| hash, sizeof hash, sig, sig_len ) == 0 ); |
| |
| exit: |
| mbedtls_pk_free( &pk ); |
| PSA_DONE( ); |
| } |
| /* END_CASE */ |