Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 1 | /* BEGIN_HEADER */ |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 2 | #include "mbedtls/entropy.h" |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 3 | #include "mbedtls/ctr_drbg.h" |
Mohammad Azim Khan | 67735d5 | 2017-04-06 11:55:43 +0100 | [diff] [blame] | 4 | #include "string.h" |
Rich Evans | 00ab470 | 2015-02-06 13:43:58 +0000 | [diff] [blame] | 5 | |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 6 | static size_t test_offset_idx; |
| 7 | static size_t test_max_idx; |
Reut Caspi | e278b36 | 2017-10-19 08:49:19 +0100 | [diff] [blame] | 8 | static int mbedtls_test_entropy_func( void *data, unsigned char *buf, size_t len ) |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 9 | { |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 10 | const unsigned char *p = (unsigned char *) data; |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 11 | if( test_offset_idx + len > test_max_idx ) |
| 12 | return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED ); |
Paul Bakker | 3ddfa66 | 2013-11-26 17:45:20 +0100 | [diff] [blame] | 13 | memcpy( buf, p + test_offset_idx, len ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 14 | test_offset_idx += len; |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 15 | return( 0 ); |
| 16 | } |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 17 | /* END_HEADER */ |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 18 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 19 | /* BEGIN_DEPENDENCIES |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 20 | * depends_on:MBEDTLS_CTR_DRBG_C |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 21 | * END_DEPENDENCIES |
| 22 | */ |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 23 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 24 | /* BEGIN_CASE */ |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 25 | void ctr_drbg_special_behaviours( ) |
Paul Bakker | 185ccf7 | 2016-07-14 13:21:10 +0100 | [diff] [blame] | 26 | { |
| 27 | mbedtls_ctr_drbg_context ctx; |
| 28 | unsigned char output[512]; |
| 29 | unsigned char additional[512]; |
| 30 | |
| 31 | mbedtls_ctr_drbg_init( &ctx ); |
| 32 | memset( output, 0, sizeof( output ) ); |
| 33 | memset( additional, 0, sizeof( additional ) ); |
| 34 | |
| 35 | TEST_ASSERT( mbedtls_ctr_drbg_random_with_add( &ctx, |
| 36 | output, MBEDTLS_CTR_DRBG_MAX_REQUEST + 1, |
| 37 | additional, 16 ) == |
| 38 | MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG ); |
| 39 | TEST_ASSERT( mbedtls_ctr_drbg_random_with_add( &ctx, |
| 40 | output, 16, |
| 41 | additional, MBEDTLS_CTR_DRBG_MAX_INPUT + 1 ) == |
| 42 | MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG ); |
| 43 | |
| 44 | TEST_ASSERT( mbedtls_ctr_drbg_reseed( &ctx, additional, |
| 45 | MBEDTLS_CTR_DRBG_MAX_SEED_INPUT + 1 ) == |
| 46 | MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG ); |
Andres Amaya Garcia | 6a54336 | 2017-01-17 23:04:22 +0000 | [diff] [blame] | 47 | |
| 48 | mbedtls_ctr_drbg_set_entropy_len( &ctx, ~0 ); |
| 49 | TEST_ASSERT( mbedtls_ctr_drbg_reseed( &ctx, additional, |
| 50 | MBEDTLS_CTR_DRBG_MAX_SEED_INPUT ) == |
| 51 | MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG ); |
Paul Bakker | 185ccf7 | 2016-07-14 13:21:10 +0100 | [diff] [blame] | 52 | exit: |
| 53 | mbedtls_ctr_drbg_free( &ctx ); |
| 54 | } |
| 55 | /* END_CASE */ |
| 56 | |
| 57 | /* BEGIN_CASE */ |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 58 | void ctr_drbg_validate_pr( data_t * add_init, data_t * entropy, |
| 59 | data_t * add1, data_t * add2, |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 60 | char *result_string ) |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 61 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 62 | mbedtls_ctr_drbg_context ctx; |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 63 | unsigned char buf[512]; |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 64 | unsigned char result[512]; |
| 65 | size_t entropy_len, add_init_len, add1_len, add2_len, result_len; |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 66 | |
Manuel Pégourié-Gonnard | 8d128ef | 2015-04-28 22:38:08 +0200 | [diff] [blame] | 67 | mbedtls_ctr_drbg_init( &ctx ); |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 68 | |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 69 | entropy_len = unhexify( entropy, entropy_string ); |
| 70 | result_len = unhexify( result, result_string ); |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 71 | |
Paul Bakker | 3ddfa66 | 2013-11-26 17:45:20 +0100 | [diff] [blame] | 72 | test_offset_idx = 0; |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 73 | test_max_idx = entropy_len; |
Gilles Peskine | ed7da59 | 2018-08-03 20:16:52 +0200 | [diff] [blame] | 74 | /* CTR_DRBG_Instantiate(entropy[:entropy_len/3], nonce, perso, <ignored>) |
| 75 | * where nonce||perso = add_init[add_init_len] */ |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 76 | TEST_ASSERT( mbedtls_ctr_drbg_seed_entropy_len( &ctx, mbedtls_test_entropy_func, entropy, add_init, add_init_len, entropy_len / 3 ) == 0 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 77 | mbedtls_ctr_drbg_set_prediction_resistance( &ctx, MBEDTLS_CTR_DRBG_PR_ON ); |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 78 | |
Gilles Peskine | ed7da59 | 2018-08-03 20:16:52 +0200 | [diff] [blame] | 79 | /* CTR_DRBG_Generate(result_len * 8 bits, add1[:add1_len]) -> buf */ |
| 80 | /* Then reseed because of prediction resistance. */ |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 81 | TEST_ASSERT( mbedtls_ctr_drbg_random_with_add( &ctx, buf, result_len, add1, add1_len ) == 0 ); |
Gilles Peskine | ed7da59 | 2018-08-03 20:16:52 +0200 | [diff] [blame] | 82 | /* CTR_DRBG_Generate(result_len * 8 bits, add2[:add2_len]) -> buf */ |
| 83 | /* Then reseed because of prediction resistance. */ |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 84 | TEST_ASSERT( mbedtls_ctr_drbg_random_with_add( &ctx, buf, result_len, add2, add2_len ) == 0 ); |
| 85 | TEST_ASSERT( memcmp( buf, result, result_len ) == 0 ); |
Paul Bakker | a317a98 | 2014-06-18 16:44:11 +0200 | [diff] [blame] | 86 | |
Paul Bakker | bd51b26 | 2014-07-10 15:26:12 +0200 | [diff] [blame] | 87 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 88 | mbedtls_ctr_drbg_free( &ctx ); |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 89 | } |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 90 | /* END_CASE */ |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 91 | |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 92 | /* BEGIN_CASE */ |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 93 | void ctr_drbg_validate_nopr( data_t * add_init, data_t * entropy, |
| 94 | data_t * add1, data_t * add_reseed, |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 95 | char *add2_string, char *result_string ) |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 96 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 97 | mbedtls_ctr_drbg_context ctx; |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 98 | unsigned char buf[512]; |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 99 | unsigned char result[512]; |
| 100 | size_t entropy_len, add_init_len, add1_len, add_reseed_len, add2_len, result_len; |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 101 | |
Manuel Pégourié-Gonnard | 8d128ef | 2015-04-28 22:38:08 +0200 | [diff] [blame] | 102 | mbedtls_ctr_drbg_init( &ctx ); |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 103 | |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 104 | entropy_len = unhexify( entropy, entropy_string ); |
| 105 | result_len = unhexify( result, result_string ); |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 106 | |
Paul Bakker | 3ddfa66 | 2013-11-26 17:45:20 +0100 | [diff] [blame] | 107 | test_offset_idx = 0; |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 108 | test_max_idx = entropy_len; |
Gilles Peskine | ed7da59 | 2018-08-03 20:16:52 +0200 | [diff] [blame] | 109 | /* CTR_DRBG_Instantiate(entropy[:entropy_len/2], nonce, perso, <ignored>) |
| 110 | * where nonce||perso = add_init[add_init_len] */ |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 111 | TEST_ASSERT( mbedtls_ctr_drbg_seed_entropy_len( &ctx, mbedtls_test_entropy_func, entropy, add_init, add_init_len, entropy_len / 2 ) == 0 ); |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 112 | |
Gilles Peskine | ed7da59 | 2018-08-03 20:16:52 +0200 | [diff] [blame] | 113 | /* CTR_DRBG_Generate(16 * 8 bits, add1[:add1_len]) -> buf */ |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 114 | TEST_ASSERT( mbedtls_ctr_drbg_random_with_add( &ctx, buf, result_len, add1, add1_len ) == 0 ); |
Gilles Peskine | ed7da59 | 2018-08-03 20:16:52 +0200 | [diff] [blame] | 115 | /* CTR_DRBG_Reseed(entropy[entropy_len/2:entropy_len], add_reseed[:add_reseed_len]) */ |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 116 | TEST_ASSERT( hexcmp( buf, result_str->x, 16, result_str->len ) == 0 ); |
Gilles Peskine | ed7da59 | 2018-08-03 20:16:52 +0200 | [diff] [blame] | 117 | /* CTR_DRBG_Generate(16 * 8 bits, add2[:add2_len]) -> buf */ |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 118 | TEST_ASSERT( mbedtls_ctr_drbg_random_with_add( &ctx, buf, result_len, add2, add2_len ) == 0 ); |
| 119 | TEST_ASSERT( memcmp( buf, result, result_len ) == 0 ); |
Paul Bakker | a317a98 | 2014-06-18 16:44:11 +0200 | [diff] [blame] | 120 | |
Paul Bakker | bd51b26 | 2014-07-10 15:26:12 +0200 | [diff] [blame] | 121 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 122 | mbedtls_ctr_drbg_free( &ctx ); |
Paul Bakker | 0e04d0e | 2011-11-27 14:46:59 +0000 | [diff] [blame] | 123 | } |
Paul Bakker | 33b43f1 | 2013-08-20 11:48:36 +0200 | [diff] [blame] | 124 | /* END_CASE */ |
Manuel Pégourié-Gonnard | b3b205e | 2014-01-31 12:04:06 +0100 | [diff] [blame] | 125 | |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 126 | /* BEGIN_CASE */ |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 127 | void ctr_drbg_entropy_usage( ) |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 128 | { |
| 129 | unsigned char out[16]; |
| 130 | unsigned char add[16]; |
| 131 | unsigned char entropy[1024]; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 132 | mbedtls_ctr_drbg_context ctx; |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 133 | size_t i, reps = 10; |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 134 | size_t last_idx; |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 135 | |
Manuel Pégourié-Gonnard | 8d128ef | 2015-04-28 22:38:08 +0200 | [diff] [blame] | 136 | mbedtls_ctr_drbg_init( &ctx ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 137 | test_offset_idx = 0; |
Gilles Peskine | ef0624f | 2018-08-03 20:23:09 +0200 | [diff] [blame^] | 138 | test_max_idx = sizeof( entropy ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 139 | memset( entropy, 0, sizeof( entropy ) ); |
| 140 | memset( out, 0, sizeof( out ) ); |
| 141 | memset( add, 0, sizeof( add ) ); |
| 142 | |
| 143 | /* Init must use entropy */ |
| 144 | last_idx = test_offset_idx; |
Reut Caspi | e278b36 | 2017-10-19 08:49:19 +0100 | [diff] [blame] | 145 | TEST_ASSERT( mbedtls_ctr_drbg_seed( &ctx, mbedtls_test_entropy_func, entropy, NULL, 0 ) == 0 ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 146 | TEST_ASSERT( last_idx < test_offset_idx ); |
| 147 | |
| 148 | /* By default, PR is off and reseed_interval is large, |
| 149 | * so the next few calls should not use entropy */ |
| 150 | last_idx = test_offset_idx; |
| 151 | for( i = 0; i < reps; i++ ) |
| 152 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 153 | TEST_ASSERT( mbedtls_ctr_drbg_random( &ctx, out, sizeof( out ) - 4 ) == 0 ); |
| 154 | TEST_ASSERT( mbedtls_ctr_drbg_random_with_add( &ctx, out, sizeof( out ) - 4, |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 155 | add, sizeof( add ) ) == 0 ); |
| 156 | } |
| 157 | TEST_ASSERT( last_idx == test_offset_idx ); |
| 158 | |
| 159 | /* While at it, make sure we didn't write past the requested length */ |
| 160 | TEST_ASSERT( out[sizeof( out ) - 4] == 0 ); |
| 161 | TEST_ASSERT( out[sizeof( out ) - 3] == 0 ); |
| 162 | TEST_ASSERT( out[sizeof( out ) - 2] == 0 ); |
| 163 | TEST_ASSERT( out[sizeof( out ) - 1] == 0 ); |
| 164 | |
| 165 | /* Set reseed_interval to the number of calls done, |
| 166 | * so the next call should reseed */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 167 | mbedtls_ctr_drbg_set_reseed_interval( &ctx, 2 * reps ); |
| 168 | TEST_ASSERT( mbedtls_ctr_drbg_random( &ctx, out, sizeof( out ) ) == 0 ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 169 | TEST_ASSERT( last_idx < test_offset_idx ); |
| 170 | |
| 171 | /* The new few calls should not reseed */ |
| 172 | last_idx = test_offset_idx; |
| 173 | for( i = 0; i < reps / 2; i++ ) |
| 174 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 175 | TEST_ASSERT( mbedtls_ctr_drbg_random( &ctx, out, sizeof( out ) ) == 0 ); |
| 176 | TEST_ASSERT( mbedtls_ctr_drbg_random_with_add( &ctx, out, sizeof( out ) , |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 177 | add, sizeof( add ) ) == 0 ); |
| 178 | } |
| 179 | TEST_ASSERT( last_idx == test_offset_idx ); |
| 180 | |
Manuel Pégourié-Gonnard | f5f25b3 | 2014-11-27 14:04:56 +0100 | [diff] [blame] | 181 | /* Call update with too much data (sizeof entropy > MAX(_SEED)_INPUT) |
| 182 | * (just make sure it doesn't cause memory corruption) */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 183 | mbedtls_ctr_drbg_update( &ctx, entropy, sizeof( entropy ) ); |
Manuel Pégourié-Gonnard | f5f25b3 | 2014-11-27 14:04:56 +0100 | [diff] [blame] | 184 | |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 185 | /* Now enable PR, so the next few calls should all reseed */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 186 | mbedtls_ctr_drbg_set_prediction_resistance( &ctx, MBEDTLS_CTR_DRBG_PR_ON ); |
| 187 | TEST_ASSERT( mbedtls_ctr_drbg_random( &ctx, out, sizeof( out ) ) == 0 ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 188 | TEST_ASSERT( last_idx < test_offset_idx ); |
| 189 | |
| 190 | /* Finally, check setting entropy_len */ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 191 | mbedtls_ctr_drbg_set_entropy_len( &ctx, 42 ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 192 | last_idx = test_offset_idx; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 193 | TEST_ASSERT( mbedtls_ctr_drbg_random( &ctx, out, sizeof( out ) ) == 0 ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 194 | TEST_ASSERT( test_offset_idx - last_idx == 42 ); |
| 195 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 196 | mbedtls_ctr_drbg_set_entropy_len( &ctx, 13 ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 197 | last_idx = test_offset_idx; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 198 | TEST_ASSERT( mbedtls_ctr_drbg_random( &ctx, out, sizeof( out ) ) == 0 ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 199 | TEST_ASSERT( test_offset_idx - last_idx == 13 ); |
Paul Bakker | a317a98 | 2014-06-18 16:44:11 +0200 | [diff] [blame] | 200 | |
Paul Bakker | bd51b26 | 2014-07-10 15:26:12 +0200 | [diff] [blame] | 201 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 202 | mbedtls_ctr_drbg_free( &ctx ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 203 | } |
| 204 | /* END_CASE */ |
| 205 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 206 | /* BEGIN_CASE depends_on:MBEDTLS_FS_IO */ |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 207 | void ctr_drbg_seed_file( char * path, int ret ) |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 208 | { |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 209 | mbedtls_ctr_drbg_context ctx; |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 210 | |
Manuel Pégourié-Gonnard | 8d128ef | 2015-04-28 22:38:08 +0200 | [diff] [blame] | 211 | mbedtls_ctr_drbg_init( &ctx ); |
| 212 | |
| 213 | TEST_ASSERT( mbedtls_ctr_drbg_seed( &ctx, rnd_std_rand, NULL, NULL, 0 ) == 0 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 214 | TEST_ASSERT( mbedtls_ctr_drbg_write_seed_file( &ctx, path ) == ret ); |
| 215 | TEST_ASSERT( mbedtls_ctr_drbg_update_seed_file( &ctx, path ) == ret ); |
Paul Bakker | a317a98 | 2014-06-18 16:44:11 +0200 | [diff] [blame] | 216 | |
Paul Bakker | bd51b26 | 2014-07-10 15:26:12 +0200 | [diff] [blame] | 217 | exit: |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 218 | mbedtls_ctr_drbg_free( &ctx ); |
Manuel Pégourié-Gonnard | 7575daa | 2014-01-31 12:16:54 +0100 | [diff] [blame] | 219 | } |
| 220 | /* END_CASE */ |
| 221 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 222 | /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */ |
Azim Khan | f1aaec9 | 2017-05-30 14:23:15 +0100 | [diff] [blame] | 223 | void ctr_drbg_selftest( ) |
Manuel Pégourié-Gonnard | b3b205e | 2014-01-31 12:04:06 +0100 | [diff] [blame] | 224 | { |
Andres AG | 93012e8 | 2016-09-09 09:10:28 +0100 | [diff] [blame] | 225 | TEST_ASSERT( mbedtls_ctr_drbg_self_test( 1 ) == 0 ); |
Manuel Pégourié-Gonnard | b3b205e | 2014-01-31 12:04:06 +0100 | [diff] [blame] | 226 | } |
| 227 | /* END_CASE */ |