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 | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 51 | TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx, |
Manuel Pégourié-Gonnard | dca3a5d | 2018-05-07 10:43:27 +0200 | [diff] [blame] | 52 | MBEDTLS_CHACHAPOLY_ENCRYPT, |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 53 | input_len, nonce_str, |
| 54 | aad_str, aad_len, |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 55 | input_str, output, mac ) == 0 ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 56 | |
| 57 | TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 ); |
| 58 | TEST_ASSERT( memcmp( mac_str, mac, 16U ) == 0 ); |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 59 | |
| 60 | exit: |
| 61 | mbedtls_chachapoly_free( &ctx ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 62 | } |
| 63 | /* END_CASE */ |
| 64 | |
| 65 | /* BEGIN_CASE */ |
Manuel Pégourié-Gonnard | 7296771 | 2018-05-09 12:22:13 +0200 | [diff] [blame] | 66 | 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] | 67 | { |
Manuel Pégourié-Gonnard | 528524b | 2018-05-09 11:21:21 +0200 | [diff] [blame] | 68 | unsigned char key_str[32]; /* size set by the standard */ |
| 69 | unsigned char nonce_str[12]; /* size set by the standard */ |
| 70 | unsigned char aad_str[12]; /* max size of test data so far */ |
| 71 | unsigned char input_str[265]; /* max size of binary input/output so far */ |
| 72 | unsigned char output_str[265]; |
| 73 | unsigned char output[265]; |
| 74 | unsigned char mac_str[16]; /* size set by the standard */ |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 75 | size_t input_len; |
| 76 | size_t output_len; |
| 77 | size_t aad_len; |
| 78 | size_t key_len; |
| 79 | size_t nonce_len; |
| 80 | size_t mac_len; |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 81 | int ret; |
| 82 | mbedtls_chachapoly_context ctx; |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 83 | |
Manuel Pégourié-Gonnard | 528524b | 2018-05-09 11:21:21 +0200 | [diff] [blame] | 84 | memset( key_str, 0x00, sizeof( key_str ) ); |
| 85 | memset( nonce_str, 0x00, sizeof( nonce_str ) ); |
| 86 | memset( aad_str, 0x00, sizeof( aad_str ) ); |
| 87 | memset( input_str, 0x00, sizeof( input_str ) ); |
| 88 | memset( output_str, 0x00, sizeof( output_str ) ); |
| 89 | memset( mac_str, 0x00, sizeof( mac_str ) ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 90 | |
| 91 | aad_len = unhexify( aad_str, hex_aad_string ); |
| 92 | input_len = unhexify( input_str, hex_input_string ); |
| 93 | output_len = unhexify( output_str, hex_output_string ); |
| 94 | key_len = unhexify( key_str, hex_key_string ); |
| 95 | nonce_len = unhexify( nonce_str, hex_nonce_string ); |
| 96 | mac_len = unhexify( mac_str, hex_mac_string ); |
| 97 | |
| 98 | TEST_ASSERT( key_len == 32 ); |
| 99 | TEST_ASSERT( nonce_len == 12 ); |
| 100 | TEST_ASSERT( mac_len == 16 ); |
| 101 | |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 102 | mbedtls_chachapoly_init( &ctx ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 103 | |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 104 | TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key_str ) == 0 ); |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 105 | |
| 106 | ret = mbedtls_chachapoly_auth_decrypt( &ctx, |
| 107 | input_len, nonce_str, |
| 108 | aad_str, aad_len, |
| 109 | mac_str, input_str, output ); |
| 110 | |
Manuel Pégourié-Gonnard | 7296771 | 2018-05-09 12:22:13 +0200 | [diff] [blame] | 111 | TEST_ASSERT( ret == ret_exp ); |
| 112 | if( ret_exp == 0 ) |
| 113 | { |
| 114 | TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 ); |
| 115 | } |
Manuel Pégourié-Gonnard | 346b8d5 | 2018-05-07 12:56:36 +0200 | [diff] [blame] | 116 | |
| 117 | exit: |
| 118 | mbedtls_chachapoly_free( &ctx ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 119 | } |
| 120 | /* END_CASE */ |
| 121 | |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 122 | /* BEGIN_CASE */ |
| 123 | void chachapoly_bad_params() |
| 124 | { |
| 125 | unsigned char key[32]; |
| 126 | unsigned char nonce[12]; |
| 127 | unsigned char aad[1]; |
| 128 | unsigned char input[1]; |
| 129 | unsigned char output[1]; |
| 130 | unsigned char mac[16]; |
| 131 | size_t input_len = sizeof( input ); |
| 132 | size_t aad_len = sizeof( aad ); |
| 133 | mbedtls_chachapoly_context ctx; |
| 134 | |
| 135 | memset( key, 0x00, sizeof( key ) ); |
| 136 | memset( nonce, 0x00, sizeof( nonce ) ); |
| 137 | memset( aad, 0x00, sizeof( aad ) ); |
| 138 | memset( input, 0x00, sizeof( input ) ); |
| 139 | memset( output, 0x00, sizeof( output ) ); |
| 140 | memset( mac, 0x00, sizeof( mac ) ); |
| 141 | |
| 142 | mbedtls_chachapoly_init( NULL ); |
| 143 | mbedtls_chachapoly_free( NULL ); |
| 144 | |
| 145 | mbedtls_chachapoly_init( &ctx ); |
| 146 | |
| 147 | TEST_ASSERT( mbedtls_chachapoly_setkey( NULL, key ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 148 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 149 | TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, NULL ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 150 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 151 | |
| 152 | TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( NULL, |
| 153 | MBEDTLS_CHACHAPOLY_ENCRYPT, |
| 154 | 0, nonce, |
| 155 | aad, 0, |
| 156 | input, output, mac ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 157 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 158 | TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx, |
| 159 | MBEDTLS_CHACHAPOLY_ENCRYPT, |
| 160 | 0, NULL, |
| 161 | aad, 0, |
| 162 | input, output, mac ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 163 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 164 | TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx, |
| 165 | MBEDTLS_CHACHAPOLY_ENCRYPT, |
| 166 | 0, nonce, |
| 167 | NULL, aad_len, |
| 168 | input, output, mac ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 169 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 170 | TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx, |
| 171 | MBEDTLS_CHACHAPOLY_ENCRYPT, |
| 172 | input_len, nonce, |
| 173 | aad, 0, |
| 174 | NULL, output, mac ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 175 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 176 | TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx, |
| 177 | MBEDTLS_CHACHAPOLY_ENCRYPT, |
| 178 | input_len, nonce, |
| 179 | aad, 0, |
| 180 | input, NULL, mac ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 181 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 182 | TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx, |
| 183 | MBEDTLS_CHACHAPOLY_ENCRYPT, |
| 184 | 0, nonce, |
| 185 | aad, 0, |
| 186 | input, output, NULL ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 187 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 188 | |
| 189 | TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( NULL, |
| 190 | 0, nonce, |
| 191 | aad, 0, |
| 192 | mac, input, output ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 193 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 194 | TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx, |
| 195 | 0, NULL, |
| 196 | aad, 0, |
| 197 | mac, input, output ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 198 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 199 | TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx, |
| 200 | 0, nonce, |
| 201 | NULL, aad_len, |
| 202 | mac, input, output ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 203 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 204 | TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx, |
| 205 | 0, nonce, |
| 206 | aad, 0, |
| 207 | NULL, input, output ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 208 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 209 | TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx, |
| 210 | input_len, nonce, |
| 211 | aad, 0, |
| 212 | mac, NULL, output ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 213 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 214 | TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx, |
| 215 | input_len, nonce, |
| 216 | aad, 0, |
| 217 | mac, input, NULL ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 218 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 219 | |
| 220 | TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx, |
| 221 | MBEDTLS_CHACHAPOLY_ENCRYPT, |
| 222 | 0, nonce, |
| 223 | aad, aad_len, |
| 224 | NULL, NULL, mac ) |
| 225 | == 0 ); |
| 226 | TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx, |
| 227 | 0, nonce, |
| 228 | aad, aad_len, |
| 229 | mac, NULL, NULL ) |
| 230 | == 0 ); |
| 231 | |
| 232 | TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx, |
| 233 | MBEDTLS_CHACHAPOLY_ENCRYPT, |
| 234 | input_len, nonce, |
| 235 | NULL, 0, |
| 236 | input, output, mac ) |
| 237 | == 0 ); |
| 238 | TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx, |
| 239 | input_len, nonce, |
| 240 | NULL, 0, |
| 241 | mac, input, output ) |
| 242 | == 0 ); |
| 243 | |
| 244 | TEST_ASSERT( mbedtls_chachapoly_starts( NULL, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 245 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 246 | TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, NULL, MBEDTLS_CHACHAPOLY_ENCRYPT ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 247 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 248 | |
| 249 | TEST_ASSERT( mbedtls_chachapoly_update_aad( NULL, aad, aad_len ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 250 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 251 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, NULL, aad_len ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 252 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 253 | |
| 254 | TEST_ASSERT( mbedtls_chachapoly_update( NULL, input_len, input, output ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 255 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 256 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, NULL, output ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 257 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 258 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, NULL ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 259 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 260 | |
| 261 | TEST_ASSERT( mbedtls_chachapoly_finish( NULL, mac ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 262 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 263 | TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, NULL ) |
Manuel Pégourié-Gonnard | 3798b6b | 2018-05-24 13:27:45 +0200 | [diff] [blame] | 264 | == MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA ); |
Manuel Pégourié-Gonnard | 59d2c30 | 2018-05-10 10:39:32 +0200 | [diff] [blame] | 265 | |
| 266 | exit: |
| 267 | mbedtls_chachapoly_free( &ctx ); |
| 268 | } |
| 269 | /* END_CASE */ |
| 270 | |
Manuel Pégourié-Gonnard | ceb1225 | 2018-05-10 11:41:00 +0200 | [diff] [blame] | 271 | /* BEGIN_CASE */ |
| 272 | void chachapoly_state() |
| 273 | { |
| 274 | unsigned char key[32]; |
| 275 | unsigned char nonce[12]; |
| 276 | unsigned char aad[1]; |
| 277 | unsigned char input[1]; |
| 278 | unsigned char output[1]; |
| 279 | unsigned char mac[16]; |
| 280 | size_t input_len = sizeof( input ); |
| 281 | size_t aad_len = sizeof( aad ); |
| 282 | mbedtls_chachapoly_context ctx; |
| 283 | |
| 284 | memset( key, 0x00, sizeof( key ) ); |
| 285 | memset( nonce, 0x00, sizeof( nonce ) ); |
| 286 | memset( aad, 0x00, sizeof( aad ) ); |
| 287 | memset( input, 0x00, sizeof( input ) ); |
| 288 | memset( output, 0x00, sizeof( output ) ); |
| 289 | memset( mac, 0x00, sizeof( mac ) ); |
| 290 | |
| 291 | /* Initial state: finish, update, update_aad forbidden */ |
| 292 | mbedtls_chachapoly_init( &ctx ); |
| 293 | |
| 294 | TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac ) |
| 295 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 296 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 297 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 298 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 299 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 300 | |
| 301 | /* Still initial state: finish, update, update_aad forbidden */ |
| 302 | TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key ) |
| 303 | == 0 ); |
| 304 | |
| 305 | TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac ) |
| 306 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 307 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 308 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 309 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 310 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 311 | |
| 312 | /* Starts -> finish OK */ |
| 313 | TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT ) |
| 314 | == 0 ); |
| 315 | TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac ) |
| 316 | == 0 ); |
| 317 | |
| 318 | /* After finish: update, update_aad forbidden */ |
| 319 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 320 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 321 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 322 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 323 | |
| 324 | /* Starts -> update* OK */ |
| 325 | TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT ) |
| 326 | == 0 ); |
| 327 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 328 | == 0 ); |
| 329 | TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output ) |
| 330 | == 0 ); |
| 331 | |
| 332 | /* After update: update_aad forbidden */ |
| 333 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 334 | == MBEDTLS_ERR_CHACHAPOLY_BAD_STATE ); |
| 335 | |
| 336 | /* Starts -> update_aad* -> finish OK */ |
| 337 | TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT ) |
| 338 | == 0 ); |
| 339 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 340 | == 0 ); |
| 341 | TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len ) |
| 342 | == 0 ); |
| 343 | TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac ) |
| 344 | == 0 ); |
| 345 | |
| 346 | exit: |
| 347 | mbedtls_chachapoly_free( &ctx ); |
| 348 | } |
| 349 | /* END_CASE */ |
| 350 | |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 351 | /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */ |
Manuel Pégourié-Gonnard | dca3a5d | 2018-05-07 10:43:27 +0200 | [diff] [blame] | 352 | void chachapoly_selftest() |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 353 | { |
Manuel Pégourié-Gonnard | dca3a5d | 2018-05-07 10:43:27 +0200 | [diff] [blame] | 354 | TEST_ASSERT( mbedtls_chachapoly_self_test( 1 ) == 0 ); |
Daniel King | b8025c5 | 2016-05-17 14:43:01 -0300 | [diff] [blame] | 355 | } |
| 356 | /* END_CASE */ |