diff --git a/include/psa/crypto.h b/include/psa/crypto.h index 7e61565574..3eee3822b5 100644 --- a/include/psa/crypto.h +++ b/include/psa/crypto.h @@ -136,7 +136,39 @@ typedef uint32_t psa_key_type_t; #define PSA_KEY_TYPE_IS_ECC(type) \ (((type) & PSA_KEY_TYPE_ECC_TEST_MASK) == PSA_KEY_TYPE_ECC_TEST_VALUE) -typedef uint32_t psa_algorithm_type_t; +typedef uint32_t psa_algorithm_t; + +#define PSA_ALG_HASH_BITS 0x01000000 +#define PSA_ALG_RSA_HASH_MASK 0x000000ff +#define PSA_ALG_MD2 0x01000001 +#define PSA_ALG_MD4 0x01000002 +#define PSA_ALG_MD5 0x01000003 +#define PSA_ALG_SHA_256_128 0x01000004 +#define PSA_ALG_RIPEMD160 0x01000005 +#define PSA_ALG_SHA_1 0x01000006 +#define PSA_ALG_SHA_256_160 0x01000007 +#define PSA_ALG_SHA_224 0x01000008 +#define PSA_ALG_SHA_256 0x01000009 +#define PSA_ALG_SHA_384 0x0100000a +#define PSA_ALG_SHA_512 0x0100000b +#define PSA_ALG_SHA_512_224 0x0100000c +#define PSA_ALG_SHA_512_256 0x0100000d +#define PSA_ALG_SHA3_224 0x01000010 +#define PSA_ALG_SHA3_256 0x01000011 +#define PSA_ALG_SHA3_384 0x01000012 +#define PSA_ALG_SHA3_512 0x01000013 + +#define PSA_ALG_RSA_PKCS1V15_RAW 0x40000100 +#define PSA_ALG_RSA_PSS_MGF1 0x40000200 +#define PSA_ALG_RSA_OAEP 0x40000300 +#define PSA_ALG_RSA_PKCS1V15(hash_alg) \ + (PSA_ALG_RSA_PKCS1V15_RAW | ((hash_alg) & PSA_ALG_RSA_HASH_MASK)) +#define PSA_ALG_IS_RSA_PKCS1V15(alg) \ + (((alg) & 0x7fffff00) == PSA_ALG_RSA_PKCS1V15_RAW) +#define PSA_ALG_RSA_GET_HASH(alg) \ + (((alg) & PSA_ALG_RSA_HASH_MASK) | PSA_ALG_HASH_BITS) + +#define PSA_ALG_VENDOR_FLAG 0x80000000 /**@}*/ @@ -208,6 +240,40 @@ psa_status_t psa_export_key(psa_key_slot_t key, size_t data_size, size_t *data_length); + +/**@}*/ + +/** \defgroup asymmetric Asymmetric cryptography + * @{ + */ + +/** + * \brief Sign a hash or short message with a private key. + * + */ +psa_status_t psa_asymmetric_sign(psa_key_slot_t key, + psa_algorithm_t alg, + const uint8_t *hash, + size_t hash_length, + const uint8_t *salt, + size_t salt_length, + uint8_t *signature, + size_t signature_size, + size_t *signature_length); + +/** + * \brief Verify the signature a hash or short message using a public key. + * + */ +psa_status_t psa_asymmetric_verify(psa_key_slot_t key, + psa_algorithm_t alg, + const uint8_t *hash, + size_t hash_length, + const uint8_t *salt, + size_t salt_length, + uint8_t *signature, + size_t signature_size); + /**@}*/ #ifdef __cplusplus diff --git a/library/psa_crypto.c b/library/psa_crypto.c index 741f5d11ae..256523271f 100644 --- a/library/psa_crypto.c +++ b/library/psa_crypto.c @@ -41,6 +41,8 @@ #include "mbedtls/ctr_drbg.h" #include "mbedtls/ecp.h" #include "mbedtls/entropy.h" +#include "mbedtls/md.h" +#include "mbedtls/md_internal.h" #include "mbedtls/pk.h" #include "mbedtls/pk_internal.h" #include "mbedtls/rsa.h" @@ -350,6 +352,186 @@ psa_status_t psa_export_key(psa_key_slot_t key, +/****************************************************************/ +/* Message digests */ +/****************************************************************/ + +static const mbedtls_md_info_t *mbedtls_md_info_of_psa( psa_algorithm_t alg ) +{ + switch( alg ) + { +#if defined(MBEDTLS_MD2_C) + case PSA_ALG_MD2: + return( &mbedtls_md2_info ); +#endif +#if defined(MBEDTLS_MD4_C) + case PSA_ALG_MD4: + return( &mbedtls_md4_info ); +#endif +#if defined(MBEDTLS_MD5_C) + case PSA_ALG_MD5: + return( &mbedtls_md5_info ); +#endif +#if defined(MBEDTLS_RIPEMD160_C) + case PSA_ALG_RIPEMD160: + return( &mbedtls_ripemd160_info ); +#endif +#if defined(MBEDTLS_SHA1_C) + case PSA_ALG_SHA_1: + return( &mbedtls_sha1_info ); +#endif +#if defined(MBEDTLS_SHA256_C) + case PSA_ALG_SHA_224: + return( &mbedtls_sha224_info ); + case PSA_ALG_SHA_256: + return( &mbedtls_sha256_info ); +#endif +#if defined(MBEDTLS_SHA512_C) + case PSA_ALG_SHA_384: + return( &mbedtls_sha384_info ); + case PSA_ALG_SHA_512: + return( &mbedtls_sha512_info ); +#endif + default: + return( NULL ); + } +} + +#if 0 +static psa_algorithm_t mbedtls_md_alg_to_psa( mbedtls_md_type_t md_alg ) +{ + switch( md_alg ) + { + case MBEDTLS_MD_NONE: + return( 0 ); + case MBEDTLS_MD_MD2: + return( PSA_ALG_MD2 ); + case MBEDTLS_MD_MD4: + return( PSA_ALG_MD4 ); + case MBEDTLS_MD_MD5: + return( PSA_ALG_MD5 ); + case MBEDTLS_MD_SHA1: + return( PSA_ALG_SHA_1 ); + case MBEDTLS_MD_SHA224: + return( PSA_ALG_SHA_224 ); + case MBEDTLS_MD_SHA256: + return( PSA_ALG_SHA_256 ); + case MBEDTLS_MD_SHA384: + return( PSA_ALG_SHA_384 ); + case MBEDTLS_MD_SHA512: + return( PSA_ALG_SHA_512 ); + case MBEDTLS_MD_RIPEMD160: + return( PSA_ALG_RIPEMD160 ); + default: + return( MBEDTLS_MD_NOT_SUPPORTED ); + } +} +#endif + + + +/****************************************************************/ +/* Asymmetric cryptography */ +/****************************************************************/ + +psa_status_t psa_asymmetric_sign(psa_key_slot_t key, + psa_algorithm_t alg, + const uint8_t *hash, + size_t hash_length, + const uint8_t *salt, + size_t salt_length, + uint8_t *signature, + size_t signature_size, + size_t *signature_length) +{ + key_slot_t *slot; + + if( key == 0 || key > MBEDTLS_PSA_KEY_SLOT_COUNT ) + return( PSA_ERROR_EMPTY_SLOT ); + slot = &global_data.key_slots[key]; + if( slot->type == PSA_KEY_TYPE_NONE ) + return( PSA_ERROR_EMPTY_SLOT ); + if( ! PSA_KEY_TYPE_IS_KEYPAIR( slot->type ) ) + return( PSA_ERROR_INVALID_ARGUMENT ); + + (void) salt; + (void) salt_length; + +#if defined(MBEDTLS_RSA_C) + if( slot->type == PSA_KEY_TYPE_RSA_KEYPAIR ) + { + mbedtls_rsa_context *rsa = slot->data.rsa; + int ret; + psa_algorithm_t hash_alg = PSA_ALG_RSA_GET_HASH( alg ); + const mbedtls_md_info_t *md_info = mbedtls_md_info_of_psa( hash_alg ); + mbedtls_md_type_t md_alg = + hash_alg == 0 ? MBEDTLS_MD_NONE : mbedtls_md_get_type( md_info ); + if( md_alg == MBEDTLS_MD_NONE ) + { +#if SIZE_MAX > UINT_MAX + if( hash_length > UINT_MAX ) + return( PSA_ERROR_INVALID_ARGUMENT ); +#endif + } + else + { + if( mbedtls_md_get_size( md_info ) != hash_length ) + return( PSA_ERROR_INVALID_ARGUMENT ); + if( md_info == NULL ) + return( PSA_ERROR_NOT_SUPPORTED ); + } + if( signature_size < rsa->len ) + return( PSA_ERROR_BUFFER_TOO_SMALL ); +#if defined(MBEDTLS_PKCS1_V15) + if( PSA_ALG_IS_RSA_PKCS1V15( alg ) ) + { + mbedtls_rsa_set_padding( rsa, MBEDTLS_RSA_PKCS_V15, + MBEDTLS_MD_NONE ); + ret = mbedtls_rsa_pkcs1_sign( rsa, + mbedtls_ctr_drbg_random, + &global_data.ctr_drbg, + MBEDTLS_RSA_PRIVATE, + md_alg, hash_length, hash, + signature ); + } + else +#endif /* MBEDTLS_PKCS1_V15 */ +#if defined(MBEDTLS_PKCS1_V21) + if( alg == PSA_ALG_RSA_PSS_MGF1 ) + { + mbedtls_rsa_set_padding( rsa, MBEDTLS_RSA_PKCS_V21, md_alg ); + ret = mbedtls_rsa_rsassa_pss_sign( rsa, + mbedtls_ctr_drbg_random, + &global_data.ctr_drbg, + MBEDTLS_RSA_PRIVATE, + md_alg, hash_length, hash, + signature ); + } + else +#endif /* MBEDTLS_PKCS1_V21 */ + { + return( PSA_ERROR_INVALID_ARGUMENT ); + } + *signature_length = ( ret == 0 ? rsa->len : 0 ); + return( mbedtls_to_psa_error( ret ) ); + } + else +#endif /* defined(MBEDTLS_RSA_C) */ +#if defined(MBEDTLS_ECP_C) + if( PSA_KEY_TYPE_IS_ECC( slot->type ) ) + { + // TODO + return( PSA_ERROR_NOT_SUPPORTED ); + } + else +#endif /* defined(MBEDTLS_ECP_C) */ + { + return( PSA_ERROR_NOT_SUPPORTED ); + } +} + + + /****************************************************************/ /* Module setup */ /****************************************************************/ diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data index e8407a30c6..51fbf3ade1 100644 --- a/tests/suites/test_suite_psa_crypto.data +++ b/tests/suites/test_suite_psa_crypto.data @@ -36,3 +36,16 @@ import_export:"3082025a0201000281806c49704e91f3df44fc99e9b3c0fee5025cc04d09529a1 #PSA import/export EC secp256r1: good #depends_on:MBEDTLS_PK_C:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED #import_export:"3077020101042049c9a8c18c4b885638c431cf1df1c994131609b580d4fd43a0cab17db2f13eeea00a06082a8648ce3d030107a144034200047772656f814b399279d5e1f1781fac6f099a3c5ca1b0e35351834b08b65e0b572590cdaf8f769361bcf34acfc11e5e074e8426bdde04be6e653945449617de45":PSA_KEY_TYPE_ECC_NISTP256R1:256:0:PSA_SUCCESS:1 +# +PSA sign RSA PKCS#1 v1.5, raw +depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_PKCS1_V15 +sign_deterministic:PSA_KEY_TYPE_RSA_KEYPAIR:"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":PSA_ALG_RSA_PKCS1V15_RAW:"616263":"2c7744983f023ac7bb1c55529d83ed11a76a7898a1bb5ce191375a4aa7495a633d27879ff58eba5a57371c34feb1180e8b850d552476ebb5634df620261992f12ebee9097041dbbea85a42d45b344be5073ceb772ffc604954b9158ba81ec3dc4d9d65e3ab7aa318165f38c36f841f1c69cb1cfa494aa5cbb4d6c0efbafb043a" + +PSA sign RSA PKCS#1 v1.5 SHA-256 +sign_deterministic:PSA_KEY_TYPE_RSA_KEYPAIR:"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":PSA_ALG_RSA_PKCS1V15(PSA_ALG_SHA_256):"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad":"a73664d55b39c7ea6c1e5b5011724a11e1d7073d3a68f48c836fad153a1d91b6abdbc8f69da13b206cc96af6363b114458b026af14b24fab8929ed634c6a2acace0bcc62d9bb6a984afbcbfcd3a0608d32a2bae535b9cd1ecdf9dd281db1e0025c3bfb5512963ec3b98ddaa69e38bc3c84b1b61a04e5648640856aacc6fc7311" + +PSA sign RSA PKCS#1 v1.5 SHA-256, wrong hash size +sign_fail:PSA_KEY_TYPE_RSA_KEYPAIR:"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":PSA_ALG_RSA_PKCS1V15(PSA_ALG_SHA_256):"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015":128:PSA_ERROR_INVALID_ARGUMENT + +PSA sign RSA PKCS#1 v1.5 SHA-256, output buffer too small +sign_fail:PSA_KEY_TYPE_RSA_KEYPAIR:"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":PSA_ALG_RSA_PKCS1V15(PSA_ALG_SHA_256):"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad":127:PSA_ERROR_BUFFER_TOO_SMALL diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function index 6fa10dd96b..35515706d4 100644 --- a/tests/suites/test_suite_psa_crypto.function +++ b/tests/suites/test_suite_psa_crypto.function @@ -132,3 +132,98 @@ exit: mbedtls_psa_crypto_free( ); } /* END_CASE */ + +/* BEGIN_CASE */ +void sign_deterministic( int key_type_arg, char *key_hex, + int alg_arg, char *input_hex, char *output_hex ) +{ + int slot = 1; + psa_key_type_t key_type = key_type_arg; + psa_algorithm_t alg = alg_arg; + unsigned char *key_data = NULL; + size_t key_size; + unsigned char *input_data = NULL; + size_t input_size; + unsigned char *output_data = NULL; + size_t output_size; + unsigned char signature[512]; + size_t signature_length; + + key_data = mbedtls_calloc( 1, strlen( key_hex ) / 2 ); + TEST_ASSERT( key_data != NULL ); + key_size = unhexify( key_data, key_hex ); + input_data = mbedtls_calloc( 1, strlen( input_hex ) / 2 ); + TEST_ASSERT( input_data != NULL ); + input_size = unhexify( input_data, input_hex ); + output_data = mbedtls_calloc( 1, strlen( output_hex ) / 2 ); + TEST_ASSERT( output_data != NULL ); + output_size = unhexify( output_data, output_hex ); + + TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS ); + + TEST_ASSERT( psa_import_key( slot, key_type, + key_data, key_size ) == PSA_SUCCESS ); + + TEST_ASSERT( psa_asymmetric_sign( slot, alg, + input_data, input_size, + NULL, 0, + signature, sizeof( signature ), + &signature_length ) == PSA_SUCCESS ); + TEST_ASSERT( signature_length == output_size ); + TEST_ASSERT( memcmp( signature, output_data, output_size ) == 0 ); + +exit: + psa_destroy_key( slot ); + mbedtls_free( key_data ); + mbedtls_free( input_data ); + mbedtls_free( output_data ); + mbedtls_psa_crypto_free( ); +} +/* END_CASE */ + +/* BEGIN_CASE */ +void sign_fail( int key_type_arg, char *key_hex, + int alg_arg, char *input_hex, + int signature_size, int expected_status_arg ) +{ + int slot = 1; + psa_key_type_t key_type = key_type_arg; + psa_algorithm_t alg = alg_arg; + unsigned char *key_data = NULL; + size_t key_size; + unsigned char *input_data = NULL; + size_t input_size; + psa_status_t actual_status; + psa_status_t expected_status = expected_status_arg; + unsigned char *signature; + size_t signature_length; + + key_data = mbedtls_calloc( 1, strlen( key_hex ) / 2 ); + TEST_ASSERT( key_data != NULL ); + key_size = unhexify( key_data, key_hex ); + input_data = mbedtls_calloc( 1, strlen( input_hex ) / 2 ); + TEST_ASSERT( input_data != NULL ); + input_size = unhexify( input_data, input_hex ); + signature = mbedtls_calloc( 1, signature_size ); + TEST_ASSERT( signature != NULL ); + + TEST_ASSERT( psa_crypto_init( ) == PSA_SUCCESS ); + + TEST_ASSERT( psa_import_key( slot, key_type, + key_data, key_size ) == PSA_SUCCESS ); + + actual_status = psa_asymmetric_sign( slot, alg, + input_data, input_size, + NULL, 0, + signature, signature_size, + &signature_length ); + TEST_ASSERT( actual_status == expected_status ); + +exit: + psa_destroy_key( slot ); + mbedtls_free( key_data ); + mbedtls_free( input_data ); + mbedtls_free( signature ); + mbedtls_psa_crypto_free( ); +} +/* END_CASE */