Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 1 | /* BEGIN_HEADER */ |
| 2 | #include "mbedtls/rsa.h" |
| 3 | #include "mbedtls/md.h" |
| 4 | /* END_HEADER */ |
| 5 | |
| 6 | /* BEGIN_DEPENDENCIES |
| 7 | * depends_on:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_SHA1_C |
| 8 | * END_DEPENDENCIES |
| 9 | */ |
| 10 | |
| 11 | /* BEGIN_CASE */ |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 12 | void pkcs1_rsaes_v15_encrypt( int mod, int radix_N, char * input_N, |
| 13 | int radix_E, char * input_E, int hash, |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 14 | data_t * message_str, data_t * rnd_buf, |
Ronald Cron | ac6ae35 | 2020-06-26 14:33:03 +0200 | [diff] [blame] | 15 | data_t * result_str, int result ) |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 16 | { |
Ron Eldor | 635888b | 2018-11-25 15:54:52 +0200 | [diff] [blame] | 17 | unsigned char output[128]; |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 18 | mbedtls_rsa_context ctx; |
Ronald Cron | 351f0ee | 2020-06-10 12:12:18 +0200 | [diff] [blame] | 19 | mbedtls_test_rnd_buf_info info; |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 20 | mbedtls_mpi N, E; |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 21 | |
Gilles Peskine | bef3019 | 2021-03-24 00:48:57 +0100 | [diff] [blame^] | 22 | info.fallback_f_rng = mbedtls_test_rnd_std_rand; |
| 23 | info.fallback_p_rng = NULL; |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 24 | info.buf = rnd_buf->x; |
| 25 | info.length = rnd_buf->len; |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 26 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 27 | mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 28 | mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash ); |
Ron Eldor | 635888b | 2018-11-25 15:54:52 +0200 | [diff] [blame] | 29 | memset( output, 0x00, sizeof( output ) ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 30 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 31 | TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 ); |
| 32 | TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 ); |
| 33 | TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 ); |
| 34 | TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 35 | TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 ); |
| 36 | |
Gilles Peskine | 85a6dd4 | 2018-10-15 16:32:42 +0200 | [diff] [blame] | 37 | if( message_str->len == 0 ) |
| 38 | message_str->x = NULL; |
Ronald Cron | 6c5bd7f | 2020-06-10 14:08:26 +0200 | [diff] [blame] | 39 | TEST_ASSERT( mbedtls_rsa_pkcs1_encrypt( &ctx, |
| 40 | &mbedtls_test_rnd_buffer_rand, |
| 41 | &info, MBEDTLS_RSA_PUBLIC, |
| 42 | message_str->len, message_str->x, |
| 43 | output ) == result ); |
| 44 | |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 45 | if( result == 0 ) |
| 46 | { |
Ronald Cron | ac6ae35 | 2020-06-26 14:33:03 +0200 | [diff] [blame] | 47 | TEST_ASSERT( mbedtls_test_hexcmp( output, result_str->x, |
| 48 | ctx.len, result_str->len ) == 0 ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | exit: |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 52 | mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 53 | mbedtls_rsa_free( &ctx ); |
| 54 | } |
| 55 | /* END_CASE */ |
| 56 | |
| 57 | /* BEGIN_CASE */ |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 58 | void pkcs1_rsaes_v15_decrypt( int mod, int radix_P, char * input_P, |
| 59 | int radix_Q, char * input_Q, int radix_N, |
| 60 | char * input_N, int radix_E, char * input_E, |
Ronald Cron | ac6ae35 | 2020-06-26 14:33:03 +0200 | [diff] [blame] | 61 | int hash, data_t * result_str, |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 62 | char * seed, data_t * message_str, |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 63 | int result ) |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 64 | { |
Ron Eldor | 635888b | 2018-11-25 15:54:52 +0200 | [diff] [blame] | 65 | unsigned char output[128]; |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 66 | mbedtls_rsa_context ctx; |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 67 | size_t output_len; |
Ronald Cron | 351f0ee | 2020-06-10 12:12:18 +0200 | [diff] [blame] | 68 | mbedtls_test_rnd_pseudo_info rnd_info; |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 69 | mbedtls_mpi N, P, Q, E; |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 70 | ((void) seed); |
| 71 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 72 | mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); |
| 73 | mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 74 | mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash ); |
| 75 | |
Ron Eldor | 635888b | 2018-11-25 15:54:52 +0200 | [diff] [blame] | 76 | memset( output, 0x00, sizeof( output ) ); |
Ronald Cron | 351f0ee | 2020-06-10 12:12:18 +0200 | [diff] [blame] | 77 | memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 78 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 79 | TEST_ASSERT( mbedtls_mpi_read_string( &P, radix_P, input_P ) == 0 ); |
| 80 | TEST_ASSERT( mbedtls_mpi_read_string( &Q, radix_Q, input_Q ) == 0 ); |
| 81 | TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 ); |
| 82 | TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 83 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 84 | TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 ); |
| 85 | TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) ); |
Hanno Becker | 7f25f85 | 2017-10-10 16:56:22 +0100 | [diff] [blame] | 86 | TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 87 | TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 ); |
| 88 | |
Ronald Cron | ac6ae35 | 2020-06-26 14:33:03 +0200 | [diff] [blame] | 89 | if( result_str->len == 0 ) |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 90 | { |
Ronald Cron | 6c5bd7f | 2020-06-10 14:08:26 +0200 | [diff] [blame] | 91 | TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, |
| 92 | &mbedtls_test_rnd_pseudo_rand, |
| 93 | &rnd_info, |
| 94 | MBEDTLS_RSA_PRIVATE, |
| 95 | &output_len, message_str->x, |
| 96 | NULL, 0 ) == result ); |
Gilles Peskine | 85a6dd4 | 2018-10-15 16:32:42 +0200 | [diff] [blame] | 97 | } |
| 98 | else |
| 99 | { |
Ronald Cron | 6c5bd7f | 2020-06-10 14:08:26 +0200 | [diff] [blame] | 100 | TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, |
| 101 | &mbedtls_test_rnd_pseudo_rand, |
| 102 | &rnd_info, MBEDTLS_RSA_PRIVATE, |
| 103 | &output_len, message_str->x, |
| 104 | output, 1000 ) == result ); |
Gilles Peskine | 85a6dd4 | 2018-10-15 16:32:42 +0200 | [diff] [blame] | 105 | if( result == 0 ) |
| 106 | { |
Ronald Cron | ac6ae35 | 2020-06-26 14:33:03 +0200 | [diff] [blame] | 107 | TEST_ASSERT( mbedtls_test_hexcmp( output, result_str->x, |
Ronald Cron | 2dbba99 | 2020-06-10 11:42:32 +0200 | [diff] [blame] | 108 | output_len, |
Ronald Cron | ac6ae35 | 2020-06-26 14:33:03 +0200 | [diff] [blame] | 109 | result_str->len) == 0 ); |
Gilles Peskine | 85a6dd4 | 2018-10-15 16:32:42 +0200 | [diff] [blame] | 110 | } |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | exit: |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 114 | mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); |
| 115 | mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &E ); |
Janos Follath | 8a49a01 | 2016-02-12 13:18:20 +0000 | [diff] [blame] | 116 | mbedtls_rsa_free( &ctx ); |
| 117 | } |
| 118 | /* END_CASE */ |
| 119 | |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 120 | /* BEGIN_CASE */ |
Gilles Peskine | 695a346 | 2018-10-05 18:15:25 +0200 | [diff] [blame] | 121 | void pkcs1_v15_decode( int mode, |
| 122 | data_t *input, |
| 123 | int expected_plaintext_length_arg, |
| 124 | int output_size_arg, |
| 125 | int expected_result ) |
| 126 | { |
| 127 | size_t expected_plaintext_length = expected_plaintext_length_arg; |
| 128 | size_t output_size = output_size_arg; |
Ronald Cron | 351f0ee | 2020-06-10 12:12:18 +0200 | [diff] [blame] | 129 | mbedtls_test_rnd_pseudo_info rnd_info; |
Gilles Peskine | 695a346 | 2018-10-05 18:15:25 +0200 | [diff] [blame] | 130 | mbedtls_mpi Nmpi, Empi, Pmpi, Qmpi; |
| 131 | mbedtls_rsa_context ctx; |
| 132 | static unsigned char N[128] = { |
| 133 | 0xc4, 0x79, 0x4c, 0x6d, 0xb2, 0xe9, 0xdf, 0xc5, |
| 134 | 0xe5, 0xd7, 0x55, 0x4b, 0xfb, 0x6c, 0x2e, 0xec, |
| 135 | 0x84, 0xd0, 0x88, 0x12, 0xaf, 0xbf, 0xb4, 0xf5, |
| 136 | 0x47, 0x3c, 0x7e, 0x92, 0x4c, 0x58, 0xc8, 0x73, |
| 137 | 0xfe, 0x8f, 0x2b, 0x8f, 0x8e, 0xc8, 0x5c, 0xf5, |
| 138 | 0x05, 0xeb, 0xfb, 0x0d, 0x7b, 0x2a, 0x93, 0xde, |
| 139 | 0x15, 0x0d, 0xc8, 0x13, 0xcf, 0xd2, 0x6f, 0x0d, |
| 140 | 0x9d, 0xad, 0x30, 0xe5, 0x70, 0x20, 0x92, 0x9e, |
| 141 | 0xb3, 0x6b, 0xba, 0x5c, 0x50, 0x0f, 0xc3, 0xb2, |
| 142 | 0x7e, 0x64, 0x07, 0x94, 0x7e, 0xc9, 0x4e, 0xc1, |
| 143 | 0x65, 0x04, 0xaf, 0xb3, 0x9f, 0xde, 0xa8, 0x46, |
| 144 | 0xfa, 0x6c, 0xf3, 0x03, 0xaf, 0x1c, 0x1b, 0xec, |
| 145 | 0x75, 0x44, 0x66, 0x77, 0xc9, 0xde, 0x51, 0x33, |
| 146 | 0x64, 0x27, 0xb0, 0xd4, 0x8d, 0x31, 0x6a, 0x11, |
| 147 | 0x27, 0x3c, 0x99, 0xd4, 0x22, 0xc0, 0x9d, 0x12, |
| 148 | 0x01, 0xc7, 0x4a, 0x73, 0xac, 0xbf, 0xc2, 0xbb |
| 149 | }; |
| 150 | static unsigned char E[1] = { 0x03 }; |
| 151 | static unsigned char P[64] = { |
| 152 | 0xe5, 0x53, 0x1f, 0x88, 0x51, 0xee, 0x59, 0xf8, |
| 153 | 0xc1, 0xe4, 0xcc, 0x5b, 0xb3, 0x75, 0x8d, 0xc8, |
| 154 | 0xe8, 0x95, 0x2f, 0xd0, 0xef, 0x37, 0xb4, 0xcd, |
| 155 | 0xd3, 0x9e, 0x48, 0x8b, 0x81, 0x58, 0x60, 0xb9, |
| 156 | 0x27, 0x1d, 0xb6, 0x28, 0x92, 0x64, 0xa3, 0xa5, |
| 157 | 0x64, 0xbd, 0xcc, 0x53, 0x68, 0xdd, 0x3e, 0x55, |
| 158 | 0xea, 0x9d, 0x5e, 0xcd, 0x1f, 0x96, 0x87, 0xf1, |
| 159 | 0x29, 0x75, 0x92, 0x70, 0x8f, 0x28, 0xfb, 0x2b |
| 160 | }; |
| 161 | static unsigned char Q[64] = { |
| 162 | 0xdb, 0x53, 0xef, 0x74, 0x61, 0xb4, 0x20, 0x3b, |
| 163 | 0x3b, 0x87, 0x76, 0x75, 0x81, 0x56, 0x11, 0x03, |
| 164 | 0x59, 0x31, 0xe3, 0x38, 0x4b, 0x8c, 0x7a, 0x9c, |
| 165 | 0x05, 0xd6, 0x7f, 0x1e, 0x5e, 0x60, 0xf0, 0x4e, |
| 166 | 0x0b, 0xdc, 0x34, 0x54, 0x1c, 0x2e, 0x90, 0x83, |
| 167 | 0x14, 0xef, 0xc0, 0x96, 0x5c, 0x30, 0x10, 0xcc, |
| 168 | 0xc1, 0xba, 0xa0, 0x54, 0x3f, 0x96, 0x24, 0xca, |
| 169 | 0xa3, 0xfb, 0x55, 0xbc, 0x71, 0x29, 0x4e, 0xb1 |
| 170 | }; |
| 171 | unsigned char original[128]; |
| 172 | unsigned char intermediate[128]; |
| 173 | static unsigned char default_content[128] = { |
| 174 | /* A randomly generated pattern. */ |
| 175 | 0x4c, 0x27, 0x54, 0xa0, 0xce, 0x0d, 0x09, 0x4a, |
| 176 | 0x1c, 0x38, 0x8e, 0x2d, 0xa3, 0xc4, 0xe0, 0x19, |
| 177 | 0x4c, 0x99, 0xb2, 0xbf, 0xe6, 0x65, 0x7e, 0x58, |
| 178 | 0xd7, 0xb6, 0x8a, 0x05, 0x2f, 0xa5, 0xec, 0xa4, |
| 179 | 0x35, 0xad, 0x10, 0x36, 0xff, 0x0d, 0x08, 0x50, |
| 180 | 0x74, 0x47, 0xc9, 0x9c, 0x4a, 0xe7, 0xfd, 0xfa, |
| 181 | 0x83, 0x5f, 0x14, 0x5a, 0x1e, 0xe7, 0x35, 0x08, |
| 182 | 0xad, 0xf7, 0x0d, 0x86, 0xdf, 0xb8, 0xd4, 0xcf, |
| 183 | 0x32, 0xb9, 0x5c, 0xbe, 0xa3, 0xd2, 0x89, 0x70, |
| 184 | 0x7b, 0xc6, 0x48, 0x7e, 0x58, 0x4d, 0xf3, 0xef, |
| 185 | 0x34, 0xb7, 0x57, 0x54, 0x79, 0xc5, 0x8e, 0x0a, |
| 186 | 0xa3, 0xbf, 0x6d, 0x42, 0x83, 0x25, 0x13, 0xa2, |
| 187 | 0x95, 0xc0, 0x0d, 0x32, 0xec, 0x77, 0x91, 0x2b, |
| 188 | 0x68, 0xb6, 0x8c, 0x79, 0x15, 0xfb, 0x94, 0xde, |
| 189 | 0xb9, 0x2b, 0x94, 0xb3, 0x28, 0x23, 0x86, 0x3d, |
| 190 | 0x37, 0x00, 0xe6, 0xf1, 0x1f, 0x4e, 0xd4, 0x42 |
| 191 | }; |
| 192 | unsigned char final[128]; |
| 193 | size_t output_length = 0x7EA0; |
| 194 | |
Ronald Cron | 351f0ee | 2020-06-10 12:12:18 +0200 | [diff] [blame] | 195 | memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) ); |
Gilles Peskine | 695a346 | 2018-10-05 18:15:25 +0200 | [diff] [blame] | 196 | mbedtls_mpi_init( &Nmpi ); mbedtls_mpi_init( &Empi ); |
| 197 | mbedtls_mpi_init( &Pmpi ); mbedtls_mpi_init( &Qmpi ); |
| 198 | mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, 0 ); |
| 199 | |
| 200 | TEST_ASSERT( mbedtls_mpi_read_binary( &Nmpi, N, sizeof( N ) ) == 0 ); |
| 201 | TEST_ASSERT( mbedtls_mpi_read_binary( &Empi, E, sizeof( E ) ) == 0 ); |
| 202 | TEST_ASSERT( mbedtls_mpi_read_binary( &Pmpi, P, sizeof( P ) ) == 0 ); |
| 203 | TEST_ASSERT( mbedtls_mpi_read_binary( &Qmpi, Q, sizeof( Q ) ) == 0 ); |
| 204 | |
| 205 | TEST_ASSERT( mbedtls_rsa_import( &ctx, &Nmpi, &Pmpi, &Qmpi, |
| 206 | NULL, &Empi ) == 0 ); |
| 207 | TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 ); |
| 208 | |
| 209 | TEST_ASSERT( input->len <= sizeof( N ) ); |
| 210 | memcpy( original, input->x, input->len ); |
| 211 | memset( original + input->len, 'd', sizeof( original ) - input->len ); |
| 212 | if( mode == MBEDTLS_RSA_PRIVATE ) |
| 213 | TEST_ASSERT( mbedtls_rsa_public( &ctx, original, intermediate ) == 0 ); |
| 214 | else |
Ronald Cron | 6c5bd7f | 2020-06-10 14:08:26 +0200 | [diff] [blame] | 215 | TEST_ASSERT( mbedtls_rsa_private( &ctx, &mbedtls_test_rnd_pseudo_rand, |
| 216 | &rnd_info, original, |
| 217 | intermediate ) == 0 ); |
Gilles Peskine | 695a346 | 2018-10-05 18:15:25 +0200 | [diff] [blame] | 218 | |
| 219 | memcpy( final, default_content, sizeof( final ) ); |
| 220 | TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, |
Ronald Cron | 6c5bd7f | 2020-06-10 14:08:26 +0200 | [diff] [blame] | 221 | &mbedtls_test_rnd_pseudo_rand, |
| 222 | &rnd_info, mode, &output_length, |
| 223 | intermediate, final, |
Gilles Peskine | 695a346 | 2018-10-05 18:15:25 +0200 | [diff] [blame] | 224 | output_size ) == expected_result ); |
| 225 | if( expected_result == 0 ) |
| 226 | { |
| 227 | TEST_ASSERT( output_length == expected_plaintext_length ); |
| 228 | TEST_ASSERT( memcmp( original + sizeof( N ) - output_length, |
| 229 | final, |
| 230 | output_length ) == 0 ); |
| 231 | } |
| 232 | else if( expected_result == MBEDTLS_ERR_RSA_INVALID_PADDING || |
| 233 | expected_result == MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE ) |
| 234 | { |
| 235 | size_t max_payload_length = |
| 236 | output_size > sizeof( N ) - 11 ? sizeof( N ) - 11 : output_size; |
| 237 | size_t i; |
| 238 | size_t count = 0; |
| 239 | |
| 240 | #if !defined(MBEDTLS_RSA_ALT) |
| 241 | /* Check that the output in invalid cases is what the default |
| 242 | * implementation currently does. Alternative implementations |
| 243 | * may produce different output, so we only perform these precise |
| 244 | * checks when using the default implementation. */ |
| 245 | TEST_ASSERT( output_length == max_payload_length ); |
| 246 | for( i = 0; i < max_payload_length; i++ ) |
| 247 | TEST_ASSERT( final[i] == 0 ); |
| 248 | #endif |
| 249 | /* Even in alternative implementations, the outputs must have |
| 250 | * changed, otherwise it indicates at least a timing vulnerability |
| 251 | * because no write to the outputs is performed in the bad case. */ |
| 252 | TEST_ASSERT( output_length != 0x7EA0 ); |
| 253 | for( i = 0; i < max_payload_length; i++ ) |
| 254 | count += ( final[i] == default_content[i] ); |
| 255 | /* If more than 16 bytes are unchanged in final, that's evidence |
| 256 | * that final wasn't overwritten. */ |
| 257 | TEST_ASSERT( count < 16 ); |
| 258 | } |
| 259 | |
| 260 | exit: |
| 261 | mbedtls_mpi_free( &Nmpi ); mbedtls_mpi_free( &Empi ); |
| 262 | mbedtls_mpi_free( &Pmpi ); mbedtls_mpi_free( &Qmpi ); |
| 263 | mbedtls_rsa_free( &ctx ); |
| 264 | } |
| 265 | /* END_CASE */ |
| 266 | |
| 267 | /* BEGIN_CASE */ |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 268 | void pkcs1_rsassa_v15_sign( int mod, int radix_P, char * input_P, int radix_Q, |
| 269 | char * input_Q, int radix_N, char * input_N, |
| 270 | int radix_E, char * input_E, int digest, int hash, |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 271 | data_t * message_str, data_t * rnd_buf, |
Ronald Cron | ac6ae35 | 2020-06-26 14:33:03 +0200 | [diff] [blame] | 272 | data_t * result_str, int result ) |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 273 | { |
Ron Eldor | 635888b | 2018-11-25 15:54:52 +0200 | [diff] [blame] | 274 | unsigned char hash_result[MBEDTLS_MD_MAX_SIZE]; |
| 275 | unsigned char output[128]; |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 276 | mbedtls_rsa_context ctx; |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 277 | mbedtls_mpi N, P, Q, E; |
Ronald Cron | 351f0ee | 2020-06-10 12:12:18 +0200 | [diff] [blame] | 278 | mbedtls_test_rnd_buf_info info; |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 279 | |
Gilles Peskine | bef3019 | 2021-03-24 00:48:57 +0100 | [diff] [blame^] | 280 | info.fallback_f_rng = mbedtls_test_rnd_std_rand; |
| 281 | info.fallback_p_rng = NULL; |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 282 | info.buf = rnd_buf->x; |
| 283 | info.length = rnd_buf->len; |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 284 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 285 | mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); |
| 286 | mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 287 | mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash ); |
| 288 | |
Ron Eldor | 635888b | 2018-11-25 15:54:52 +0200 | [diff] [blame] | 289 | memset( hash_result, 0x00, sizeof( hash_result ) ); |
| 290 | memset( output, 0x00, sizeof( output ) ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 291 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 292 | TEST_ASSERT( mbedtls_mpi_read_string( &P, radix_P, input_P ) == 0 ); |
| 293 | TEST_ASSERT( mbedtls_mpi_read_string( &Q, radix_Q, input_Q ) == 0 ); |
| 294 | TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 ); |
| 295 | TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 296 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 297 | TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 ); |
| 298 | TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) ); |
Hanno Becker | 7f25f85 | 2017-10-10 16:56:22 +0100 | [diff] [blame] | 299 | TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 300 | TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 ); |
| 301 | |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 302 | |
| 303 | if( mbedtls_md_info_from_type( digest ) != NULL ) |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 304 | TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str->x, message_str->len, hash_result ) == 0 ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 305 | |
Ronald Cron | 6c5bd7f | 2020-06-10 14:08:26 +0200 | [diff] [blame] | 306 | TEST_ASSERT( mbedtls_rsa_pkcs1_sign( &ctx, &mbedtls_test_rnd_buffer_rand, |
| 307 | &info, MBEDTLS_RSA_PRIVATE, digest, |
| 308 | 0, hash_result, output ) == result ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 309 | if( result == 0 ) |
| 310 | { |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 311 | |
Ronald Cron | ac6ae35 | 2020-06-26 14:33:03 +0200 | [diff] [blame] | 312 | TEST_ASSERT( mbedtls_test_hexcmp( output, result_str->x, |
| 313 | ctx.len, result_str->len ) == 0 ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | exit: |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 317 | mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); |
| 318 | mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &E ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 319 | mbedtls_rsa_free( &ctx ); |
| 320 | } |
| 321 | /* END_CASE */ |
| 322 | |
| 323 | /* BEGIN_CASE */ |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 324 | void pkcs1_rsassa_v15_verify( int mod, int radix_N, char * input_N, |
| 325 | int radix_E, char * input_E, int digest, |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 326 | int hash, data_t * message_str, char * salt, |
| 327 | data_t * result_str, int result ) |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 328 | { |
Ron Eldor | 635888b | 2018-11-25 15:54:52 +0200 | [diff] [blame] | 329 | unsigned char hash_result[MBEDTLS_MD_MAX_SIZE]; |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 330 | mbedtls_rsa_context ctx; |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 331 | mbedtls_mpi N, E; |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 332 | ((void) salt); |
| 333 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 334 | mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 335 | mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash ); |
Ron Eldor | 635888b | 2018-11-25 15:54:52 +0200 | [diff] [blame] | 336 | memset( hash_result, 0x00, sizeof( hash_result ) ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 337 | |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 338 | TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 ); |
| 339 | TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 ); |
| 340 | TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 ); |
| 341 | TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 342 | TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 ); |
| 343 | |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 344 | |
| 345 | if( mbedtls_md_info_from_type( digest ) != NULL ) |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 346 | TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str->x, message_str->len, hash_result ) == 0 ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 347 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 348 | TEST_ASSERT( mbedtls_rsa_pkcs1_verify( &ctx, NULL, NULL, MBEDTLS_RSA_PUBLIC, digest, 0, hash_result, result_str->x ) == result ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 349 | |
| 350 | exit: |
Hanno Becker | 6d43f9e | 2017-08-23 06:35:17 +0100 | [diff] [blame] | 351 | mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E ); |
Janos Follath | e6aef9f | 2016-03-16 16:39:41 +0000 | [diff] [blame] | 352 | mbedtls_rsa_free( &ctx ); |
| 353 | } |
| 354 | /* END_CASE */ |