Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 1 | /* BEGIN_HEADER */ |
Manuel Pégourié-Gonnard | dca3a5d | 2018-05-07 10:43:27 +0200 | [diff] [blame] | 2 | #include "mbedtls/chachapoly.h" |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 3 | /* END_HEADER */ |
| 4 | |
| 5 | /* BEGIN_DEPENDENCIES |
Manuel Pégourié-Gonnard | dca3a5d | 2018-05-07 10:43:27 +0200 | [diff] [blame] | 6 | * depends_on:MBEDTLS_CHACHAPOLY_C |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 7 | * END_DEPENDENCIES |
| 8 | */ |
| 9 | |
| 10 | /* BEGIN_CASE */ |
Manuel Pégourié-Gonnard | dca3a5d | 2018-05-07 10:43:27 +0200 | [diff] [blame] | 11 | void mbedtls_chachapoly_enc( char *hex_key_string, char *hex_nonce_string, char *hex_aad_string, char *hex_input_string, char *hex_output_string, char *hex_mac_string ) |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 12 | { |
Manuel Pégourié-Gonnard | 528524b | 2018-05-09 11:21:21 +0200 | [diff] [blame] | 13 | unsigned char key_str[32]; /* size set by the standard */ |
| 14 | unsigned char nonce_str[12]; /* size set by the standard */ |
| 15 | unsigned char aad_str[12]; /* max size of test data so far */ |
| 16 | unsigned char input_str[265]; /* max size of binary input/output so far */ |
| 17 | unsigned char output_str[265]; |
| 18 | unsigned char output[265]; |
| 19 | unsigned char mac_str[16]; /* size set by the standard */ |
| 20 | unsigned char mac[16]; /* size set by the standard */ |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 21 | size_t input_len; |
| 22 | size_t output_len; |
| 23 | size_t aad_len; |
| 24 | size_t key_len; |
| 25 | size_t nonce_len; |
| 26 | size_t mac_len; |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 27 | mbedtls_chachapoly_context ctx; |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 28 | |
Manuel Pégourié-Gonnard | 528524b | 2018-05-09 11:21:21 +0200 | [diff] [blame] | 29 | memset( key_str, 0x00, sizeof( key_str ) ); |
| 30 | memset( nonce_str, 0x00, sizeof( nonce_str ) ); |
| 31 | memset( aad_str, 0x00, sizeof( aad_str ) ); |
| 32 | memset( input_str, 0x00, sizeof( input_str ) ); |
| 33 | memset( output_str, 0x00, sizeof( output_str ) ); |
| 34 | memset( mac_str, 0x00, sizeof( mac_str ) ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 35 | |
| 36 | aad_len = unhexify( aad_str, hex_aad_string ); |
| 37 | input_len = unhexify( input_str, hex_input_string ); |
| 38 | output_len = unhexify( output_str, hex_output_string ); |
| 39 | key_len = unhexify( key_str, hex_key_string ); |
| 40 | nonce_len = unhexify( nonce_str, hex_nonce_string ); |
| 41 | mac_len = unhexify( mac_str, hex_mac_string ); |
| 42 | |
| 43 | TEST_ASSERT( key_len == 32 ); |
| 44 | TEST_ASSERT( nonce_len == 12 ); |
| 45 | TEST_ASSERT( mac_len == 16 ); |
| 46 | |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 47 | mbedtls_chachapoly_init( &ctx ); |
| 48 | |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 49 | TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key_str ) == 0 ); |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 50 | |
Manuel Pégourié-Gonnard | 3dc62a0 | 2018-06-04 12:18:19 +0200 | [diff] [blame] | 51 | TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx, |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 52 | input_len, nonce_str, |
| 53 | aad_str, aad_len, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 54 | input_str, output, mac ) == 0 ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 55 | |
| 56 | TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 ); |
| 57 | TEST_ASSERT( memcmp( mac_str, mac, 16U ) == 0 ); |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 58 | |
| 59 | exit: |
| 60 | mbedtls_chachapoly_free( &ctx ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 61 | } |
| 62 | /* END_CASE */ |
| 63 | |
| 64 | /* BEGIN_CASE */ |
Manuel Pégourié-Gonnard | 7296771 | 2018-05-09 12:22:13 +0200 | [diff] [blame] | 65 | void mbedtls_chachapoly_dec( char *hex_key_string, char *hex_nonce_string, char *hex_aad_string, char *hex_input_string, char *hex_output_string, char *hex_mac_string, int ret_exp ) |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 66 | { |
Manuel Pégourié-Gonnard | 528524b | 2018-05-09 11:21:21 +0200 | [diff] [blame] | 67 | unsigned char key_str[32]; /* size set by the standard */ |
| 68 | unsigned char nonce_str[12]; /* size set by the standard */ |
| 69 | unsigned char aad_str[12]; /* max size of test data so far */ |
| 70 | unsigned char input_str[265]; /* max size of binary input/output so far */ |
| 71 | unsigned char output_str[265]; |
| 72 | unsigned char output[265]; |
| 73 | unsigned char mac_str[16]; /* size set by the standard */ |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 74 | size_t input_len; |
| 75 | size_t output_len; |
| 76 | size_t aad_len; |
| 77 | size_t key_len; |
| 78 | size_t nonce_len; |
| 79 | size_t mac_len; |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 80 | int ret; |
| 81 | mbedtls_chachapoly_context ctx; |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 82 | |
Manuel Pégourié-Gonnard | 528524b | 2018-05-09 11:21:21 +0200 | [diff] [blame] | 83 | memset( key_str, 0x00, sizeof( key_str ) ); |
| 84 | memset( nonce_str, 0x00, sizeof( nonce_str ) ); |
| 85 | memset( aad_str, 0x00, sizeof( aad_str ) ); |
| 86 | memset( input_str, 0x00, sizeof( input_str ) ); |
| 87 | memset( output_str, 0x00, sizeof( output_str ) ); |
| 88 | memset( mac_str, 0x00, sizeof( mac_str ) ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 89 | |
| 90 | aad_len = unhexify( aad_str, hex_aad_string ); |
| 91 | input_len = unhexify( input_str, hex_input_string ); |
| 92 | output_len = unhexify( output_str, hex_output_string ); |
| 93 | key_len = unhexify( key_str, hex_key_string ); |
| 94 | nonce_len = unhexify( nonce_str, hex_nonce_string ); |
| 95 | mac_len = unhexify( mac_str, hex_mac_string ); |
| 96 | |
| 97 | TEST_ASSERT( key_len == 32 ); |
| 98 | TEST_ASSERT( nonce_len == 12 ); |
| 99 | TEST_ASSERT( mac_len == 16 ); |
| 100 | |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 101 | mbedtls_chachapoly_init( &ctx ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 102 | |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 103 | TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key_str ) == 0 ); |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 104 | |
| 105 | ret = mbedtls_chachapoly_auth_decrypt( &ctx, |
| 106 | input_len, nonce_str, |
| 107 | aad_str, aad_len, |
| 108 | mac_str, input_str, output ); |
| 109 | |
Manuel Pégourié-Gonnard | 7296771 | 2018-05-09 12:22:13 +0200 | [diff] [blame] | 110 | TEST_ASSERT( ret == ret_exp ); |
| 111 | if( ret_exp == 0 ) |
| 112 | { |
| 113 | TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 ); |
| 114 | } |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 115 | |
| 116 | exit: |
| 117 | mbedtls_chachapoly_free( &ctx ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 118 | } |
| 119 | /* END_CASE */ |
| 120 | |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 121 | /* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */ |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 122 | void chachapoly_bad_params() |
| 123 | { |
| 124 | unsigned char key[32]; |
| 125 | unsigned char nonce[12]; |
| 126 | unsigned char aad[1]; |
| 127 | unsigned char input[1]; |
| 128 | unsigned char output[1]; |
| 129 | unsigned char mac[16]; |
| 130 | size_t input_len = sizeof( input ); |
| 131 | size_t aad_len = sizeof( aad ); |
| 132 | mbedtls_chachapoly_context ctx; |
| 133 | |
| 134 | memset( key, 0x00, sizeof( key ) ); |
| 135 | memset( nonce, 0x00, sizeof( nonce ) ); |
| 136 | memset( aad, 0x00, sizeof( aad ) ); |
| 137 | memset( input, 0x00, sizeof( input ) ); |
| 138 | memset( output, 0x00, sizeof( output ) ); |
| 139 | memset( mac, 0x00, sizeof( mac ) ); |
| 140 | |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 141 | TEST_INVALID_PARAM( mbedtls_chachapoly_init( NULL ) ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 142 | |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 143 | /* setkey */ |
| 144 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 145 | mbedtls_chachapoly_setkey( NULL, key ) ); |
| 146 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 147 | mbedtls_chachapoly_setkey( &ctx, NULL ) ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 148 | |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 149 | /* encrypt_and_tag */ |
| 150 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 151 | mbedtls_chachapoly_encrypt_and_tag( NULL, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 152 | 0, nonce, |
| 153 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 154 | input, output, mac ) ); |
| 155 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 156 | mbedtls_chachapoly_encrypt_and_tag( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 157 | 0, NULL, |
| 158 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 159 | input, output, mac ) ); |
| 160 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 161 | mbedtls_chachapoly_encrypt_and_tag( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 162 | 0, nonce, |
| 163 | NULL, aad_len, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 164 | input, output, mac ) ); |
| 165 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 166 | mbedtls_chachapoly_encrypt_and_tag( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 167 | input_len, nonce, |
| 168 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 169 | NULL, output, mac ) ); |
| 170 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 171 | mbedtls_chachapoly_encrypt_and_tag( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 172 | input_len, nonce, |
| 173 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 174 | input, NULL, mac ) ); |
| 175 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 176 | mbedtls_chachapoly_encrypt_and_tag( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 177 | 0, nonce, |
| 178 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 179 | input, output, NULL ) ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 180 | |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 181 | /* auth_decrypt */ |
| 182 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 183 | mbedtls_chachapoly_auth_decrypt( NULL, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 184 | 0, nonce, |
| 185 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 186 | mac, input, output ) ); |
| 187 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 188 | mbedtls_chachapoly_auth_decrypt( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 189 | 0, NULL, |
| 190 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 191 | mac, input, output ) ); |
| 192 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 193 | mbedtls_chachapoly_auth_decrypt( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 194 | 0, nonce, |
| 195 | NULL, aad_len, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 196 | mac, input, output ) ); |
| 197 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 198 | mbedtls_chachapoly_auth_decrypt( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 199 | 0, nonce, |
| 200 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 201 | NULL, input, output ) ); |
| 202 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 203 | mbedtls_chachapoly_auth_decrypt( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 204 | input_len, nonce, |
| 205 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 206 | mac, NULL, output ) ); |
| 207 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 208 | mbedtls_chachapoly_auth_decrypt( &ctx, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 209 | input_len, nonce, |
| 210 | aad, 0, |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 211 | mac, input, NULL ) ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 212 | |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 213 | /* starts */ |
| 214 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 215 | mbedtls_chachapoly_starts( NULL, nonce, |
| 216 | MBEDTLS_CHACHAPOLY_ENCRYPT ) ); |
| 217 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 218 | mbedtls_chachapoly_starts( &ctx, NULL, |
| 219 | MBEDTLS_CHACHAPOLY_ENCRYPT ) ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 220 | |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 221 | /* update_aad */ |
| 222 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 223 | mbedtls_chachapoly_update_aad( NULL, aad, |
| 224 | aad_len ) ); |
| 225 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 226 | mbedtls_chachapoly_update_aad( &ctx, NULL, |
| 227 | aad_len ) ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 228 | |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 229 | /* update */ |
| 230 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 231 | mbedtls_chachapoly_update( NULL, input_len, |
| 232 | input, output ) ); |
| 233 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 234 | mbedtls_chachapoly_update( &ctx, input_len, |
| 235 | NULL, output ) ); |
| 236 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 237 | mbedtls_chachapoly_update( &ctx, input_len, |
| 238 | input, NULL ) ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 239 | |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 240 | /* finish */ |
| 241 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 242 | mbedtls_chachapoly_finish( NULL, mac ) ); |
| 243 | TEST_INVALID_PARAM_RET( MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA, |
| 244 | mbedtls_chachapoly_finish( &ctx, NULL ) ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 245 | |
| 246 | exit: |
Hanno Becker | ae2ff02 | 2018-12-11 15:14:02 +0000 | [diff] [blame^] | 247 | return; |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 248 | } |
| 249 | /* END_CASE */ |
| 250 | |
Manuel Pégourié-Gonnard | ceb1225 | 2018-05-10 11:41:00 +0200 | [diff] [blame] | 251 | /* BEGIN_CASE */ |
| 252 | void chachapoly_state() |
| 253 | { |
| 254 | unsigned char key[32]; |
| 255 | unsigned char nonce[12]; |
| 256 | unsigned char aad[1]; |
| 257 | unsigned char input[1]; |
| 258 | unsigned char output[1]; |
| 259 | unsigned char mac[16]; |
| 260 | size_t input_len = sizeof( input ); |
| 261 | size_t aad_len = sizeof( aad ); |
| 262 | mbedtls_chachapoly_context ctx; |
| 263 | |
| 264 | memset( key, 0x00, sizeof( key ) ); |
| 265 | memset( nonce, 0x00, sizeof( nonce ) ); |
| 266 | memset( aad, 0x00, sizeof( aad ) ); |
| 267 | memset( input, 0x00, sizeof( input ) ); |
| 268 | memset( output, 0x00, sizeof( output ) ); |
| 269 | memset( mac, 0x00, sizeof( mac ) ); |
| 270 | |
| 271 | /* Initial state: finish, update, update_aad forbidden */ |
| 272 | mbedtls_chachapoly_init( &ctx ); |
| 273 | |
| 274 | TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac ) |
| 275 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 276 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 277 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 278 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 279 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 280 | |
| 281 | /* Still initial state: finish, update, update_aad forbidden */ |
| 282 | TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key ) |
| 283 | == 0 ); |
| 284 | |
| 285 | TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac ) |
| 286 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 287 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 288 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 289 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 290 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 291 | |
| 292 | /* Starts -> finish OK */ |
| 293 | TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT ) |
| 294 | == 0 ); |
| 295 | TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac ) |
| 296 | == 0 ); |
| 297 | |
| 298 | /* After finish: update, update_aad forbidden */ |
| 299 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 300 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 301 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 302 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 303 | |
| 304 | /* Starts -> update* OK */ |
| 305 | TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT ) |
| 306 | == 0 ); |
| 307 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 308 | == 0 ); |
| 309 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 310 | == 0 ); |
| 311 | |
| 312 | /* After update: update_aad forbidden */ |
| 313 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 314 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 315 | |
| 316 | /* Starts -> update_aad* -> finish OK */ |
| 317 | TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT ) |
| 318 | == 0 ); |
| 319 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 320 | == 0 ); |
| 321 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 322 | == 0 ); |
| 323 | TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac ) |
| 324 | == 0 ); |
| 325 | |
| 326 | exit: |
| 327 | mbedtls_chachapoly_free( &ctx ); |
| 328 | } |
| 329 | /* END_CASE */ |
| 330 | |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 331 | /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */ |
Manuel Pégourié-Gonnard | dca3a5d | 2018-05-07 10:43:27 +0200 | [diff] [blame] | 332 | void chachapoly_selftest() |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 333 | { |
Manuel Pégourié-Gonnard | dca3a5d | 2018-05-07 10:43:27 +0200 | [diff] [blame] | 334 | TEST_ASSERT( mbedtls_chachapoly_self_test( 1 ) == 0 ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 335 | } |
| 336 | /* END_CASE */ |