diff --git a/tests/suites/test_suite_pkcs1_v15.data b/tests/suites/test_suite_pkcs1_v15.data index 030940007..a4d6eb545 100644 --- a/tests/suites/test_suite_pkcs1_v15.data +++ b/tests/suites/test_suite_pkcs1_v15.data @@ -33,3 +33,93 @@ pkcs1_rsassa_v15_sign:1024:16:"d17f655bf27c8b16d35462c905cc04a26f37e2a67fa9c0ce0 RSASSA-V15 Verification Test Vector Int pkcs1_rsassa_v15_verify:1024:16:"a2ba40ee07e3b2bd2f02ce227f36a195024486e49c19cb41bbbdfbba98b22b0e577c2eeaffa20d883a76e65e394c69d4b3c05a1e8fadda27edb2a42bc000fe888b9b32c22d15add0cd76b3e7936e19955b220dd17d4ea904b1ec102b2e4de7751222aa99151024c7cb41cc5ea21d00eeb41f7c800834d2c6e06bce3bce7ea9a5":16:"010001":MBEDTLS_MD_SHA1:MBEDTLS_MD_SHA1:"859eef2fd78aca00308bdc471193bf55bf9d78db8f8a672b484634f3c9c26e6478ae10260fe0dd8c082e53a5293af2173cd50c6d5d354febf78b26021c25c02712e78cd4694c9f469777e451e7f8e9e04cd3739c6bbfedae487fb55644e9ca74ff77a53cb729802f6ed4a5ffa8ba159890fc":"e3b5d5d002c1bce50c2b65ef88a188d83bce7e61":"2154f928615e5101fcdeb57bc08fc2f35c3d5996403861ae3efb1d0712f8bb05cc21f7f5f11f62e5b6ea9f0f2b62180e5cbe7ba535032d6ac8068fff7f362f73d2c3bf5eca6062a1723d7cfd5abb6dcf7e405f2dc560ffe6fc37d38bee4dc9e24fe2bece3e3b4a3f032701d3f0947b42930083dd4ad241b3309b514595482d42":0 + +RSAES-V15 decoding: good, payload=max, tight output buffer +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"0002505152535455565700":117:117:0 + +RSAES-V15 decoding: good, payload=max, larger output buffer +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"0002505152535455565700":117:128:0 + +RSAES-V15 decoding: good, payload=max-1, tight output buffer +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"000250515253545556575800":116:116:0 + +RSAES-V15 decoding: good, payload=max-1, larger output buffer +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"000250515253545556575800":116:117:0 + +RSAES-V15 decoding: good, payload=1 +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"00025050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505000":1:1:0 + +RSAES-V15 decoding: good, empty payload +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"0002505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505000":0:0:0 + +RSAES-V15 decoding: payload=max, output too large +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"0002505152535455565700":117:116:MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE + +RSAES-V15 decoding: payload=max-1, output too large +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"000250515253545556575800":116:115:MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE + +RSAES-V15 decoding: bad first byte +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"0102505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +RSAES-V15 decoding: bad second byte (0 instead of 2) +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"0000505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +RSAES-V15 decoding: bad second byte (1 instead of 2) +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"0001505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +RSAES-V15 decoding: padding too short (0) +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"000200":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +RSAES-V15 decoding: padding too short (7) +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"0002505050505050500000ffffffffffffffffff00":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +RSAES-V15 decoding: unfinished padding +pkcs1_v15_decode:MBEDTLS_RSA_PRIVATE:"0002505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050505050":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: good, payload=max, tight output buffer +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001ffffffffffffffff00":117:117:0 + +EMSA-V15 decoding: good, payload=max, larger output buffer +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001ffffffffffffffff00":117:128:0 + +EMSA-V15 decoding: good, payload=max-1, tight output buffer +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001ffffffffffffffffff00":116:116:0 + +EMSA-V15 decoding: good, payload=max-1, larger output buffer +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001ffffffffffffffffff00":116:117:0 + +EMSA-V15 decoding: good, payload=1 +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00":1:1:0 + +EMSA-V15 decoding: good, empty payload +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00":0:0:0 + +EMSA-V15 decoding: bad first byte +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0101ffffffffffffffff00":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: bad second byte (0 instead of 1) +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0000ffffffffffffffff00":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: bad second byte (2 instead of 1) +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0002ffffffffffffffff00":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: padding too short (0) +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"000100":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: padding too short (7) +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001ffffffffffffff0000ffffffffffffffff00":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: invalid padding at first byte +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001fffffffffffffffe00":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: invalid padding at last byte +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001feffffffffffffff00":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: unfinished padding +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: unfinished padding with invalid first byte +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001feffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING + +EMSA-V15 decoding: unfinished padding with invalid last byte +pkcs1_v15_decode:MBEDTLS_RSA_PUBLIC:"0001fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe":0:42:MBEDTLS_ERR_RSA_INVALID_PADDING diff --git a/tests/suites/test_suite_pkcs1_v15.function b/tests/suites/test_suite_pkcs1_v15.function index 7f8b1c82e..2b9cf297a 100644 --- a/tests/suites/test_suite_pkcs1_v15.function +++ b/tests/suites/test_suite_pkcs1_v15.function @@ -106,6 +106,154 @@ exit: } /* END_CASE */ +/* BEGIN_CASE */ +void pkcs1_v15_decode( int mode, + char *input_hex, + int expected_plaintext_length_arg, + int output_size_arg, + int expected_result ) +{ + size_t input_len; + size_t expected_plaintext_length = expected_plaintext_length_arg; + size_t output_size = output_size_arg; + rnd_pseudo_info rnd_info; + mbedtls_mpi Nmpi, Empi, Pmpi, Qmpi; + mbedtls_rsa_context ctx; + static unsigned char N[128] = { + 0xc4, 0x79, 0x4c, 0x6d, 0xb2, 0xe9, 0xdf, 0xc5, + 0xe5, 0xd7, 0x55, 0x4b, 0xfb, 0x6c, 0x2e, 0xec, + 0x84, 0xd0, 0x88, 0x12, 0xaf, 0xbf, 0xb4, 0xf5, + 0x47, 0x3c, 0x7e, 0x92, 0x4c, 0x58, 0xc8, 0x73, + 0xfe, 0x8f, 0x2b, 0x8f, 0x8e, 0xc8, 0x5c, 0xf5, + 0x05, 0xeb, 0xfb, 0x0d, 0x7b, 0x2a, 0x93, 0xde, + 0x15, 0x0d, 0xc8, 0x13, 0xcf, 0xd2, 0x6f, 0x0d, + 0x9d, 0xad, 0x30, 0xe5, 0x70, 0x20, 0x92, 0x9e, + 0xb3, 0x6b, 0xba, 0x5c, 0x50, 0x0f, 0xc3, 0xb2, + 0x7e, 0x64, 0x07, 0x94, 0x7e, 0xc9, 0x4e, 0xc1, + 0x65, 0x04, 0xaf, 0xb3, 0x9f, 0xde, 0xa8, 0x46, + 0xfa, 0x6c, 0xf3, 0x03, 0xaf, 0x1c, 0x1b, 0xec, + 0x75, 0x44, 0x66, 0x77, 0xc9, 0xde, 0x51, 0x33, + 0x64, 0x27, 0xb0, 0xd4, 0x8d, 0x31, 0x6a, 0x11, + 0x27, 0x3c, 0x99, 0xd4, 0x22, 0xc0, 0x9d, 0x12, + 0x01, 0xc7, 0x4a, 0x73, 0xac, 0xbf, 0xc2, 0xbb + }; + static unsigned char E[1] = { 0x03 }; + static unsigned char P[64] = { + 0xe5, 0x53, 0x1f, 0x88, 0x51, 0xee, 0x59, 0xf8, + 0xc1, 0xe4, 0xcc, 0x5b, 0xb3, 0x75, 0x8d, 0xc8, + 0xe8, 0x95, 0x2f, 0xd0, 0xef, 0x37, 0xb4, 0xcd, + 0xd3, 0x9e, 0x48, 0x8b, 0x81, 0x58, 0x60, 0xb9, + 0x27, 0x1d, 0xb6, 0x28, 0x92, 0x64, 0xa3, 0xa5, + 0x64, 0xbd, 0xcc, 0x53, 0x68, 0xdd, 0x3e, 0x55, + 0xea, 0x9d, 0x5e, 0xcd, 0x1f, 0x96, 0x87, 0xf1, + 0x29, 0x75, 0x92, 0x70, 0x8f, 0x28, 0xfb, 0x2b + }; + static unsigned char Q[64] = { + 0xdb, 0x53, 0xef, 0x74, 0x61, 0xb4, 0x20, 0x3b, + 0x3b, 0x87, 0x76, 0x75, 0x81, 0x56, 0x11, 0x03, + 0x59, 0x31, 0xe3, 0x38, 0x4b, 0x8c, 0x7a, 0x9c, + 0x05, 0xd6, 0x7f, 0x1e, 0x5e, 0x60, 0xf0, 0x4e, + 0x0b, 0xdc, 0x34, 0x54, 0x1c, 0x2e, 0x90, 0x83, + 0x14, 0xef, 0xc0, 0x96, 0x5c, 0x30, 0x10, 0xcc, + 0xc1, 0xba, 0xa0, 0x54, 0x3f, 0x96, 0x24, 0xca, + 0xa3, 0xfb, 0x55, 0xbc, 0x71, 0x29, 0x4e, 0xb1 + }; + unsigned char original[128]; + unsigned char intermediate[128]; + static unsigned char default_content[128] = { + /* A randomly generated pattern. */ + 0x4c, 0x27, 0x54, 0xa0, 0xce, 0x0d, 0x09, 0x4a, + 0x1c, 0x38, 0x8e, 0x2d, 0xa3, 0xc4, 0xe0, 0x19, + 0x4c, 0x99, 0xb2, 0xbf, 0xe6, 0x65, 0x7e, 0x58, + 0xd7, 0xb6, 0x8a, 0x05, 0x2f, 0xa5, 0xec, 0xa4, + 0x35, 0xad, 0x10, 0x36, 0xff, 0x0d, 0x08, 0x50, + 0x74, 0x47, 0xc9, 0x9c, 0x4a, 0xe7, 0xfd, 0xfa, + 0x83, 0x5f, 0x14, 0x5a, 0x1e, 0xe7, 0x35, 0x08, + 0xad, 0xf7, 0x0d, 0x86, 0xdf, 0xb8, 0xd4, 0xcf, + 0x32, 0xb9, 0x5c, 0xbe, 0xa3, 0xd2, 0x89, 0x70, + 0x7b, 0xc6, 0x48, 0x7e, 0x58, 0x4d, 0xf3, 0xef, + 0x34, 0xb7, 0x57, 0x54, 0x79, 0xc5, 0x8e, 0x0a, + 0xa3, 0xbf, 0x6d, 0x42, 0x83, 0x25, 0x13, 0xa2, + 0x95, 0xc0, 0x0d, 0x32, 0xec, 0x77, 0x91, 0x2b, + 0x68, 0xb6, 0x8c, 0x79, 0x15, 0xfb, 0x94, 0xde, + 0xb9, 0x2b, 0x94, 0xb3, 0x28, 0x23, 0x86, 0x3d, + 0x37, 0x00, 0xe6, 0xf1, 0x1f, 0x4e, 0xd4, 0x42 + }; + unsigned char final[128]; + size_t output_length = 0x7EA0; + + memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) ); + mbedtls_mpi_init( &Nmpi ); mbedtls_mpi_init( &Empi ); + mbedtls_mpi_init( &Pmpi ); mbedtls_mpi_init( &Qmpi ); + mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, 0 ); + + TEST_ASSERT( mbedtls_mpi_read_binary( &Nmpi, N, sizeof( N ) ) == 0 ); + TEST_ASSERT( mbedtls_mpi_read_binary( &Empi, E, sizeof( E ) ) == 0 ); + TEST_ASSERT( mbedtls_mpi_read_binary( &Pmpi, P, sizeof( P ) ) == 0 ); + TEST_ASSERT( mbedtls_mpi_read_binary( &Qmpi, Q, sizeof( Q ) ) == 0 ); + + TEST_ASSERT( mbedtls_rsa_import( &ctx, &Nmpi, &Pmpi, &Qmpi, + NULL, &Empi ) == 0 ); + TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 ); + + input_len = unhexify( original, input_hex ); + memset( original + input_len, 'd', sizeof( original ) - input_len ); + if( mode == MBEDTLS_RSA_PRIVATE ) + TEST_ASSERT( mbedtls_rsa_public( &ctx, original, intermediate ) == 0 ); + else + TEST_ASSERT( mbedtls_rsa_private( &ctx, &rnd_pseudo_rand, &rnd_info, + original, intermediate ) == 0 ); + + memcpy( final, default_content, sizeof( final ) ); + TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, + &rnd_pseudo_rand, &rnd_info, + mode, + &output_length, + intermediate, + final, + output_size ) == expected_result ); + if( expected_result == 0 ) + { + TEST_ASSERT( output_length == expected_plaintext_length ); + TEST_ASSERT( memcmp( original + sizeof( N ) - output_length, + final, + output_length ) == 0 ); + } + else if( expected_result == MBEDTLS_ERR_RSA_INVALID_PADDING || + expected_result == MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE ) + { + size_t max_payload_length = + output_size > sizeof( N ) - 11 ? sizeof( N ) - 11 : output_size; + size_t i; + size_t count = 0; + +#if !defined(MBEDTLS_RSA_ALT) + /* Check that the output in invalid cases is what the default + * implementation currently does. Alternative implementations + * may produce different output, so we only perform these precise + * checks when using the default implementation. */ + TEST_ASSERT( output_length == max_payload_length ); + for( i = 0; i < max_payload_length; i++ ) + TEST_ASSERT( final[i] == 0 ); +#endif + /* Even in alternative implementations, the outputs must have + * changed, otherwise it indicates at least a timing vulnerability + * because no write to the outputs is performed in the bad case. */ + TEST_ASSERT( output_length != 0x7EA0 ); + for( i = 0; i < max_payload_length; i++ ) + count += ( final[i] == default_content[i] ); + /* If more than 16 bytes are unchanged in final, that's evidence + * that final wasn't overwritten. */ + TEST_ASSERT( count < 16 ); + } + +exit: + mbedtls_mpi_free( &Nmpi ); mbedtls_mpi_free( &Empi ); + mbedtls_mpi_free( &Pmpi ); mbedtls_mpi_free( &Qmpi ); + mbedtls_rsa_free( &ctx ); +} +/* END_CASE */ + /* BEGIN_CASE */ void pkcs1_rsassa_v15_sign( int mod, int radix_P, char *input_P, int radix_Q, char *input_Q, int radix_N, char *input_N,