1/* BEGIN_HEADER */ 2#include "mbedtls/pk.h" 3 4/* For error codes */ 5#include "mbedtls/asn1.h" 6#include "mbedtls/base64.h" 7#include "mbedtls/ecp.h" 8#include "mbedtls/rsa.h" 9 10#include <limits.h> 11#include <stdint.h> 12 13static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len ); 14 15#define RSA_KEY_SIZE 512 16#define RSA_KEY_LEN 64 17 18static int pk_genkey( mbedtls_pk_context *pk ) 19{ 20 ((void) pk); 21 22#if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME) 23 if( mbedtls_pk_get_type( pk ) == MBEDTLS_PK_RSA ) 24 return mbedtls_rsa_gen_key( mbedtls_pk_rsa( *pk ), rnd_std_rand, NULL, RSA_KEY_SIZE, 3 ); 25#endif 26#if defined(MBEDTLS_ECP_C) 27 if( mbedtls_pk_get_type( pk ) == MBEDTLS_PK_ECKEY || 28 mbedtls_pk_get_type( pk ) == MBEDTLS_PK_ECKEY_DH || 29 mbedtls_pk_get_type( pk ) == MBEDTLS_PK_ECDSA ) 30 { 31 int ret; 32 if( ( ret = mbedtls_ecp_group_load( &mbedtls_pk_ec( *pk )->grp, 33 MBEDTLS_ECP_DP_SECP192R1 ) ) != 0 ) 34 return( ret ); 35 36 return mbedtls_ecp_gen_keypair( &mbedtls_pk_ec( *pk )->grp, &mbedtls_pk_ec( *pk )->d, 37 &mbedtls_pk_ec( *pk )->Q, rnd_std_rand, NULL ); 38 } 39#endif 40 return( -1 ); 41} 42 43#if defined(MBEDTLS_RSA_C) 44int mbedtls_rsa_decrypt_func( void *ctx, int mode, size_t *olen, 45 const unsigned char *input, unsigned char *output, 46 size_t output_max_len ) 47{ 48 return( mbedtls_rsa_pkcs1_decrypt( (mbedtls_rsa_context *) ctx, 49 rnd_std_rand, NULL, mode, olen, 50 input, output, output_max_len ) ); 51} 52int mbedtls_rsa_sign_func( void *ctx, 53 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng, 54 int mode, mbedtls_md_type_t md_alg, unsigned int hashlen, 55 const unsigned char *hash, unsigned char *sig ) 56{ 57 ((void) f_rng); 58 ((void) p_rng); 59 return( mbedtls_rsa_pkcs1_sign( (mbedtls_rsa_context *) ctx, rnd_std_rand, NULL, mode, 60 md_alg, hashlen, hash, sig ) ); 61} 62size_t mbedtls_rsa_key_len_func( void *ctx ) 63{ 64 return( ((const mbedtls_rsa_context *) ctx)->len ); 65} 66#endif /* MBEDTLS_RSA_C */ 67/* END_HEADER */ 68 69/* BEGIN_DEPENDENCIES 70 * depends_on:MBEDTLS_PK_C 71 * END_DEPENDENCIES 72 */ 73 74/* BEGIN_CASE */ 75void valid_parameters( ) 76{ 77 mbedtls_pk_context pk; 78 unsigned char buf[1]; 79 size_t len; 80 void *options = NULL; 81 82 mbedtls_pk_init( &pk ); 83 84 TEST_VALID_PARAM( mbedtls_pk_free( NULL ) ); 85 86#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) 87 TEST_VALID_PARAM( mbedtls_pk_restart_free( NULL ) ); 88#endif 89 90 TEST_ASSERT( mbedtls_pk_setup( &pk, NULL ) == 91 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 92 93 /* In informational functions, we accept NULL where a context pointer 94 * is expected because that's what the library has done forever. 95 * We do not document that NULL is accepted, so we may wish to change 96 * the behavior in a future version. */ 97 TEST_ASSERT( mbedtls_pk_get_bitlen( NULL ) == 0 ); 98 TEST_ASSERT( mbedtls_pk_get_len( NULL ) == 0 ); 99 TEST_ASSERT( mbedtls_pk_can_do( NULL, MBEDTLS_PK_NONE ) == 0 ); 100 101 TEST_ASSERT( mbedtls_pk_sign_restartable( &pk, 102 MBEDTLS_MD_NONE, 103 NULL, 0, 104 buf, &len, 105 rnd_std_rand, NULL, 106 NULL ) == 107 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 108 109 TEST_ASSERT( mbedtls_pk_sign_restartable( &pk, 110 MBEDTLS_MD_NONE, 111 NULL, 0, 112 buf, &len, 113 rnd_std_rand, NULL, 114 NULL ) == 115 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 116 117 TEST_ASSERT( mbedtls_pk_sign( &pk, 118 MBEDTLS_MD_NONE, 119 NULL, 0, 120 buf, &len, 121 rnd_std_rand, NULL ) == 122 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 123 124 TEST_ASSERT( mbedtls_pk_verify_restartable( &pk, 125 MBEDTLS_MD_NONE, 126 NULL, 0, 127 buf, sizeof( buf ), 128 NULL ) == 129 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 130 131 TEST_ASSERT( mbedtls_pk_verify( &pk, 132 MBEDTLS_MD_NONE, 133 NULL, 0, 134 buf, sizeof( buf ) ) == 135 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 136 137 TEST_ASSERT( mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options, 138 &pk, 139 MBEDTLS_MD_NONE, 140 NULL, 0, 141 buf, sizeof( buf ) ) == 142 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 143 144 TEST_ASSERT( mbedtls_pk_encrypt( &pk, 145 NULL, 0, 146 NULL, &len, 0, 147 rnd_std_rand, NULL ) == 148 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 149 150 TEST_ASSERT( mbedtls_pk_decrypt( &pk, 151 NULL, 0, 152 NULL, &len, 0, 153 rnd_std_rand, NULL ) == 154 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 155 156#if defined(MBEDTLS_PK_PARSE_C) 157 TEST_ASSERT( mbedtls_pk_parse_key( &pk, NULL, 0, NULL, 1 ) == 158 MBEDTLS_ERR_PK_KEY_INVALID_FORMAT ); 159 160 TEST_ASSERT( mbedtls_pk_parse_public_key( &pk, NULL, 0 ) == 161 MBEDTLS_ERR_PK_KEY_INVALID_FORMAT ); 162#endif /* MBEDTLS_PK_PARSE_C */ 163} 164/* END_CASE */ 165 166/* BEGIN_CASE depends_on:MBEDTLS_PK_WRITE_C */ 167void valid_parameters_pkwrite( data_t *key_data ) 168{ 169 mbedtls_pk_context pk; 170 171 /* For the write tests to be effective, we need a valid key pair. */ 172 mbedtls_pk_init( &pk ); 173 TEST_ASSERT( mbedtls_pk_parse_key( &pk, 174 key_data->x, key_data->len, 175 NULL, 0 ) == 0 ); 176 177 TEST_ASSERT( mbedtls_pk_write_key_der( &pk, NULL, 0 ) == 178 MBEDTLS_ERR_ASN1_BUF_TOO_SMALL ); 179 180 TEST_ASSERT( mbedtls_pk_write_pubkey_der( &pk, NULL, 0 ) == 181 MBEDTLS_ERR_ASN1_BUF_TOO_SMALL ); 182 183#if defined(MBEDTLS_PEM_WRITE_C) 184 TEST_ASSERT( mbedtls_pk_write_key_pem( &pk, NULL, 0 ) == 185 MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL ); 186 187 TEST_ASSERT( mbedtls_pk_write_pubkey_pem( &pk, NULL, 0 ) == 188 MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL ); 189#endif /* MBEDTLS_PEM_WRITE_C */ 190 191exit: 192 mbedtls_pk_free( &pk ); 193} 194/* END_CASE */ 195 196/* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */ 197void invalid_parameters( ) 198{ 199 size_t len; 200 unsigned char *null_buf = NULL; 201 unsigned char buf[1]; 202 unsigned char *p = buf; 203 char str[1] = {0}; 204 mbedtls_pk_context pk; 205 mbedtls_md_type_t valid_md = MBEDTLS_MD_SHA256; 206 void *options = buf; 207 208 (void) null_buf; 209 (void) p; 210 (void) str; 211 212 mbedtls_pk_init( &pk ); 213 214 TEST_INVALID_PARAM( mbedtls_pk_init( NULL ) ); 215 216#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) 217 TEST_INVALID_PARAM( mbedtls_pk_restart_init( NULL ) ); 218#endif 219 220 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 221 mbedtls_pk_setup( NULL, NULL ) ); 222 223#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT) 224 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 225 mbedtls_pk_setup_rsa_alt( NULL, buf, 226 NULL, NULL, NULL ) ); 227#endif 228 229 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 230 mbedtls_pk_verify_restartable( NULL, 231 MBEDTLS_MD_NONE, 232 buf, sizeof( buf ), 233 buf, sizeof( buf ), 234 NULL ) ); 235 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 236 mbedtls_pk_verify_restartable( &pk, 237 MBEDTLS_MD_NONE, 238 NULL, sizeof( buf ), 239 buf, sizeof( buf ), 240 NULL ) ); 241 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 242 mbedtls_pk_verify_restartable( &pk, 243 valid_md, 244 NULL, 0, 245 buf, sizeof( buf ), 246 NULL ) ); 247 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 248 mbedtls_pk_verify_restartable( &pk, 249 MBEDTLS_MD_NONE, 250 buf, sizeof( buf ), 251 NULL, sizeof( buf ), 252 NULL ) ); 253 254 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 255 mbedtls_pk_verify( NULL, 256 MBEDTLS_MD_NONE, 257 buf, sizeof( buf ), 258 buf, sizeof( buf ) ) ); 259 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 260 mbedtls_pk_verify( &pk, 261 MBEDTLS_MD_NONE, 262 NULL, sizeof( buf ), 263 buf, sizeof( buf ) ) ); 264 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 265 mbedtls_pk_verify( &pk, 266 valid_md, 267 NULL, 0, 268 buf, sizeof( buf ) ) ); 269 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 270 mbedtls_pk_verify( &pk, 271 MBEDTLS_MD_NONE, 272 buf, sizeof( buf ), 273 NULL, sizeof( buf ) ) ); 274 275 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 276 mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options, 277 NULL, 278 MBEDTLS_MD_NONE, 279 buf, sizeof( buf ), 280 buf, sizeof( buf ) ) ); 281 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 282 mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options, 283 &pk, 284 MBEDTLS_MD_NONE, 285 NULL, sizeof( buf ), 286 buf, sizeof( buf ) ) ); 287 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 288 mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options, 289 &pk, 290 valid_md, 291 NULL, 0, 292 buf, sizeof( buf ) ) ); 293 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 294 mbedtls_pk_verify_ext( MBEDTLS_PK_NONE, options, 295 &pk, 296 MBEDTLS_MD_NONE, 297 buf, sizeof( buf ), 298 NULL, sizeof( buf ) ) ); 299 300 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 301 mbedtls_pk_sign_restartable( NULL, 302 MBEDTLS_MD_NONE, 303 buf, sizeof( buf ), 304 buf, &len, 305 rnd_std_rand, NULL, 306 NULL ) ); 307 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 308 mbedtls_pk_sign_restartable( &pk, 309 MBEDTLS_MD_NONE, 310 NULL, sizeof( buf ), 311 buf, &len, 312 rnd_std_rand, NULL, 313 NULL ) ); 314 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 315 mbedtls_pk_sign_restartable( &pk, 316 valid_md, 317 NULL, 0, 318 buf, &len, 319 rnd_std_rand, NULL, 320 NULL ) ); 321 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 322 mbedtls_pk_sign_restartable( &pk, 323 MBEDTLS_MD_NONE, 324 buf, sizeof( buf ), 325 NULL, &len, 326 rnd_std_rand, NULL, 327 NULL ) ); 328 329 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 330 mbedtls_pk_sign( NULL, 331 MBEDTLS_MD_NONE, 332 buf, sizeof( buf ), 333 buf, &len, 334 rnd_std_rand, NULL ) ); 335 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 336 mbedtls_pk_sign( &pk, 337 MBEDTLS_MD_NONE, 338 NULL, sizeof( buf ), 339 buf, &len, 340 rnd_std_rand, NULL ) ); 341 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 342 mbedtls_pk_sign( &pk, 343 valid_md, 344 NULL, 0, 345 buf, &len, 346 rnd_std_rand, NULL ) ); 347 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 348 mbedtls_pk_sign( &pk, 349 MBEDTLS_MD_NONE, 350 buf, sizeof( buf ), 351 NULL, &len, 352 rnd_std_rand, NULL ) ); 353 354 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 355 mbedtls_pk_decrypt( NULL, 356 buf, sizeof( buf ), 357 buf, &len, sizeof( buf ), 358 rnd_std_rand, NULL ) ); 359 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 360 mbedtls_pk_decrypt( &pk, 361 NULL, sizeof( buf ), 362 buf, &len, sizeof( buf ), 363 rnd_std_rand, NULL ) ); 364 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 365 mbedtls_pk_decrypt( &pk, 366 buf, sizeof( buf ), 367 NULL, &len, sizeof( buf ), 368 rnd_std_rand, NULL ) ); 369 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 370 mbedtls_pk_decrypt( &pk, 371 buf, sizeof( buf ), 372 buf, NULL, sizeof( buf ), 373 rnd_std_rand, NULL ) ); 374 375 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 376 mbedtls_pk_encrypt( NULL, 377 buf, sizeof( buf ), 378 buf, &len, sizeof( buf ), 379 rnd_std_rand, NULL ) ); 380 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 381 mbedtls_pk_encrypt( &pk, 382 NULL, sizeof( buf ), 383 buf, &len, sizeof( buf ), 384 rnd_std_rand, NULL ) ); 385 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 386 mbedtls_pk_encrypt( &pk, 387 buf, sizeof( buf ), 388 NULL, &len, sizeof( buf ), 389 rnd_std_rand, NULL ) ); 390 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 391 mbedtls_pk_encrypt( &pk, 392 buf, sizeof( buf ), 393 buf, NULL, sizeof( buf ), 394 rnd_std_rand, NULL ) ); 395 396 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 397 mbedtls_pk_check_pair( NULL, &pk ) ); 398 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 399 mbedtls_pk_check_pair( &pk, NULL ) ); 400 401 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 402 mbedtls_pk_debug( NULL, NULL ) ); 403 404#if defined(MBEDTLS_PK_PARSE_C) 405#if defined(MBEDTLS_FS_IO) 406 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 407 mbedtls_pk_load_file( NULL, &p, &len ) ); 408 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 409 mbedtls_pk_load_file( str, NULL, &len ) ); 410 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 411 mbedtls_pk_load_file( str, &p, NULL ) ); 412 413 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 414 mbedtls_pk_parse_keyfile( NULL, str, NULL ) ); 415 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 416 mbedtls_pk_parse_keyfile( &pk, NULL, NULL ) ); 417 418 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 419 mbedtls_pk_parse_public_keyfile( NULL, str ) ); 420 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 421 mbedtls_pk_parse_public_keyfile( &pk, NULL ) ); 422#endif 423 424 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 425 mbedtls_pk_parse_subpubkey( NULL, buf, &pk ) ); 426 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 427 mbedtls_pk_parse_subpubkey( &null_buf, buf, &pk ) ); 428 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 429 mbedtls_pk_parse_subpubkey( &p, NULL, &pk ) ); 430 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 431 mbedtls_pk_parse_subpubkey( &p, buf, NULL ) ); 432 433 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 434 mbedtls_pk_parse_key( NULL, 435 buf, sizeof( buf ), 436 buf, sizeof( buf ) ) ); 437 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 438 mbedtls_pk_parse_key( &pk, 439 NULL, sizeof( buf ), 440 buf, sizeof( buf ) ) ); 441 442 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 443 mbedtls_pk_parse_public_key( NULL, 444 buf, sizeof( buf ) ) ); 445 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 446 mbedtls_pk_parse_public_key( &pk, 447 NULL, sizeof( buf ) ) ); 448#endif /* MBEDTLS_PK_PARSE_C */ 449 450#if defined(MBEDTLS_PK_WRITE_C) 451 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 452 mbedtls_pk_write_pubkey( NULL, p, &pk ) ); 453 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 454 mbedtls_pk_write_pubkey( &null_buf, p, &pk ) ); 455 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 456 mbedtls_pk_write_pubkey( &p, NULL, &pk ) ); 457 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 458 mbedtls_pk_write_pubkey( &p, p, NULL ) ); 459 460 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 461 mbedtls_pk_write_pubkey_der( NULL, 462 buf, sizeof( buf ) ) ); 463 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 464 mbedtls_pk_write_pubkey_der( &pk, 465 NULL, sizeof( buf ) ) ); 466 467 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 468 mbedtls_pk_write_key_der( NULL, 469 buf, sizeof( buf ) ) ); 470 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 471 mbedtls_pk_write_key_der( &pk, 472 NULL, sizeof( buf ) ) ); 473 474#if defined(MBEDTLS_PEM_WRITE_C) 475 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 476 mbedtls_pk_write_pubkey_pem( NULL, 477 buf, sizeof( buf ) ) ); 478 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 479 mbedtls_pk_write_pubkey_pem( &pk, 480 NULL, sizeof( buf ) ) ); 481 482 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 483 mbedtls_pk_write_key_pem( NULL, 484 buf, sizeof( buf ) ) ); 485 TEST_INVALID_PARAM_RET( MBEDTLS_ERR_PK_BAD_INPUT_DATA, 486 mbedtls_pk_write_key_pem( &pk, 487 NULL, sizeof( buf ) ) ); 488#endif /* MBEDTLS_PEM_WRITE_C */ 489 490#endif /* MBEDTLS_PK_WRITE_C */ 491} 492/* END_CASE */ 493 494/* BEGIN_CASE */ 495void pk_utils( int type, int size, int len, char * name ) 496{ 497 mbedtls_pk_context pk; 498 499 mbedtls_pk_init( &pk ); 500 501 TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( type ) ) == 0 ); 502 TEST_ASSERT( pk_genkey( &pk ) == 0 ); 503 504 TEST_ASSERT( (int) mbedtls_pk_get_type( &pk ) == type ); 505 TEST_ASSERT( mbedtls_pk_can_do( &pk, type ) ); 506 TEST_ASSERT( mbedtls_pk_get_bitlen( &pk ) == (unsigned) size ); 507 TEST_ASSERT( mbedtls_pk_get_len( &pk ) == (unsigned) len ); 508 TEST_ASSERT( strcmp( mbedtls_pk_get_name( &pk), name ) == 0 ); 509 510exit: 511 mbedtls_pk_free( &pk ); 512} 513/* END_CASE */ 514 515/* BEGIN_CASE depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_FS_IO */ 516void mbedtls_pk_check_pair( char * pub_file, char * prv_file, int ret ) 517{ 518 mbedtls_pk_context pub, prv, alt; 519 520 mbedtls_pk_init( &pub ); 521 mbedtls_pk_init( &prv ); 522 mbedtls_pk_init( &alt ); 523 524 TEST_ASSERT( mbedtls_pk_parse_public_keyfile( &pub, pub_file ) == 0 ); 525 TEST_ASSERT( mbedtls_pk_parse_keyfile( &prv, prv_file, NULL ) == 0 ); 526 527 TEST_ASSERT( mbedtls_pk_check_pair( &pub, &prv ) == ret ); 528 529#if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PK_RSA_ALT_SUPPORT) 530 if( mbedtls_pk_get_type( &prv ) == MBEDTLS_PK_RSA ) 531 { 532 TEST_ASSERT( mbedtls_pk_setup_rsa_alt( &alt, mbedtls_pk_rsa( prv ), 533 mbedtls_rsa_decrypt_func, mbedtls_rsa_sign_func, 534 mbedtls_rsa_key_len_func ) == 0 ); 535 TEST_ASSERT( mbedtls_pk_check_pair( &pub, &alt ) == ret ); 536 } 537#endif 538 539 mbedtls_pk_free( &pub ); 540 mbedtls_pk_free( &prv ); 541 mbedtls_pk_free( &alt ); 542} 543/* END_CASE */ 544 545/* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ 546void pk_rsa_verify_test_vec( data_t * message_str, int digest, int mod, 547 int radix_N, char * input_N, int radix_E, 548 char * input_E, data_t * result_str, 549 int result ) 550{ 551 unsigned char hash_result[MBEDTLS_MD_MAX_SIZE]; 552 mbedtls_rsa_context *rsa; 553 mbedtls_pk_context pk; 554 mbedtls_pk_restart_ctx *rs_ctx = NULL; 555#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) 556 mbedtls_pk_restart_ctx ctx; 557 558 rs_ctx = &ctx; 559 mbedtls_pk_restart_init( rs_ctx ); 560 // this setting would ensure restart would happen if ECC was used 561 mbedtls_ecp_set_max_ops( 1 ); 562#endif 563 564 mbedtls_pk_init( &pk ); 565 566 memset( hash_result, 0x00, MBEDTLS_MD_MAX_SIZE ); 567 568 TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == 0 ); 569 rsa = mbedtls_pk_rsa( pk ); 570 571 rsa->len = mod / 8; 572 TEST_ASSERT( mbedtls_test_read_mpi( &rsa->N, radix_N, input_N ) == 0 ); 573 TEST_ASSERT( mbedtls_test_read_mpi( &rsa->E, radix_E, input_E ) == 0 ); 574 575 576 if( mbedtls_md_info_from_type( digest ) != NULL ) 577 TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str->x, message_str->len, hash_result ) == 0 ); 578 579 TEST_ASSERT( mbedtls_pk_verify( &pk, digest, hash_result, 0, 580 result_str->x, mbedtls_pk_get_len( &pk ) ) == result ); 581 582 TEST_ASSERT( mbedtls_pk_verify_restartable( &pk, digest, hash_result, 0, 583 result_str->x, mbedtls_pk_get_len( &pk ), rs_ctx ) == result ); 584 585exit: 586#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) 587 mbedtls_pk_restart_free( rs_ctx ); 588#endif 589 mbedtls_pk_free( &pk ); 590} 591/* END_CASE */ 592 593/* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ 594void pk_rsa_verify_ext_test_vec( data_t * message_str, int digest, 595 int mod, int radix_N, char * input_N, 596 int radix_E, char * input_E, 597 data_t * result_str, int pk_type, 598 int mgf1_hash_id, int salt_len, int result ) 599{ 600 unsigned char hash_result[MBEDTLS_MD_MAX_SIZE]; 601 mbedtls_rsa_context *rsa; 602 mbedtls_pk_context pk; 603 mbedtls_pk_rsassa_pss_options pss_opts; 604 void *options; 605 size_t hash_len; 606 607 mbedtls_pk_init( &pk ); 608 609 memset( hash_result, 0x00, sizeof( hash_result ) ); 610 611 TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == 0 ); 612 rsa = mbedtls_pk_rsa( pk ); 613 614 rsa->len = mod / 8; 615 TEST_ASSERT( mbedtls_test_read_mpi( &rsa->N, radix_N, input_N ) == 0 ); 616 TEST_ASSERT( mbedtls_test_read_mpi( &rsa->E, radix_E, input_E ) == 0 ); 617 618 619 if( digest != MBEDTLS_MD_NONE ) 620 { 621 TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), 622 message_str->x, message_str->len, hash_result ) == 0 ); 623 hash_len = 0; 624 } 625 else 626 { 627 memcpy( hash_result, message_str->x, message_str->len ); 628 hash_len = message_str->len; 629 } 630 631 if( mgf1_hash_id < 0 ) 632 { 633 options = NULL; 634 } 635 else 636 { 637 options = &pss_opts; 638 639 pss_opts.mgf1_hash_id = mgf1_hash_id; 640 pss_opts.expected_salt_len = salt_len; 641 } 642 643 TEST_ASSERT( mbedtls_pk_verify_ext( pk_type, options, &pk, 644 digest, hash_result, hash_len, 645 result_str->x, mbedtls_pk_get_len( &pk ) ) == result ); 646 647exit: 648 mbedtls_pk_free( &pk ); 649} 650/* END_CASE */ 651 652/* BEGIN_CASE depends_on:MBEDTLS_ECDSA_C */ 653void pk_ec_test_vec( int type, int id, data_t * key, data_t * hash, 654 data_t * sig, int ret ) 655{ 656 mbedtls_pk_context pk; 657 mbedtls_ecp_keypair *eckey; 658 659 mbedtls_pk_init( &pk ); 660 661 662 TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( type ) ) == 0 ); 663 664 TEST_ASSERT( mbedtls_pk_can_do( &pk, MBEDTLS_PK_ECDSA ) ); 665 eckey = mbedtls_pk_ec( pk ); 666 667 TEST_ASSERT( mbedtls_ecp_group_load( &eckey->grp, id ) == 0 ); 668 TEST_ASSERT( mbedtls_ecp_point_read_binary( &eckey->grp, &eckey->Q, 669 key->x, key->len ) == 0 ); 670 671 TEST_ASSERT( mbedtls_pk_verify( &pk, MBEDTLS_MD_NONE, 672 hash->x, hash->len, sig->x, sig->len ) == ret ); 673 674exit: 675 mbedtls_pk_free( &pk ); 676} 677/* END_CASE */ 678 679/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE:MBEDTLS_ECDSA_C:MBEDTLS_ECDSA_DETERMINISTIC */ 680void pk_sign_verify_restart( int pk_type, int grp_id, char *d_str, 681 char *QX_str, char *QY_str, 682 int md_alg, char *msg, data_t *sig_check, 683 int max_ops, int min_restart, int max_restart ) 684{ 685 int ret, cnt_restart; 686 mbedtls_pk_restart_ctx rs_ctx; 687 mbedtls_pk_context prv, pub; 688 unsigned char hash[MBEDTLS_MD_MAX_SIZE]; 689 unsigned char sig[MBEDTLS_ECDSA_MAX_LEN]; 690 size_t hlen, slen; 691 const mbedtls_md_info_t *md_info; 692 693 mbedtls_pk_restart_init( &rs_ctx ); 694 mbedtls_pk_init( &prv ); 695 mbedtls_pk_init( &pub ); 696 memset( hash, 0, sizeof( hash ) ); 697 memset( sig, 0, sizeof( sig ) ); 698 699 TEST_ASSERT( mbedtls_pk_setup( &prv, mbedtls_pk_info_from_type( pk_type ) ) == 0 ); 700 TEST_ASSERT( mbedtls_ecp_group_load( &mbedtls_pk_ec( prv )->grp, grp_id ) == 0 ); 701 TEST_ASSERT( mbedtls_test_read_mpi( &mbedtls_pk_ec( prv )->d, 16, d_str ) == 0 ); 702 703 TEST_ASSERT( mbedtls_pk_setup( &pub, mbedtls_pk_info_from_type( pk_type ) ) == 0 ); 704 TEST_ASSERT( mbedtls_ecp_group_load( &mbedtls_pk_ec( pub )->grp, grp_id ) == 0 ); 705 TEST_ASSERT( mbedtls_ecp_point_read_string( &mbedtls_pk_ec( pub )->Q, 16, QX_str, QY_str ) == 0 ); 706 707 md_info = mbedtls_md_info_from_type( md_alg ); 708 TEST_ASSERT( md_info != NULL ); 709 710 hlen = mbedtls_md_get_size( md_info ); 711 TEST_ASSERT( mbedtls_md( md_info, 712 (const unsigned char *) msg, strlen( msg ), 713 hash ) == 0 ); 714 715 mbedtls_ecp_set_max_ops( max_ops ); 716 717 slen = sizeof( sig ); 718 cnt_restart = 0; 719 do { 720 ret = mbedtls_pk_sign_restartable( &prv, md_alg, hash, hlen, 721 sig, &slen, NULL, NULL, &rs_ctx ); 722 } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart ); 723 724 TEST_ASSERT( ret == 0 ); 725 TEST_ASSERT( slen == sig_check->len ); 726 TEST_ASSERT( memcmp( sig, sig_check->x, slen ) == 0 ); 727 728 TEST_ASSERT( cnt_restart >= min_restart ); 729 TEST_ASSERT( cnt_restart <= max_restart ); 730 731 cnt_restart = 0; 732 do { 733 ret = mbedtls_pk_verify_restartable( &pub, md_alg, 734 hash, hlen, sig, slen, &rs_ctx ); 735 } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart ); 736 737 TEST_ASSERT( ret == 0 ); 738 TEST_ASSERT( cnt_restart >= min_restart ); 739 TEST_ASSERT( cnt_restart <= max_restart ); 740 741 hash[0]++; 742 do { 743 ret = mbedtls_pk_verify_restartable( &pub, md_alg, 744 hash, hlen, sig, slen, &rs_ctx ); 745 } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS ); 746 TEST_ASSERT( ret != 0 ); 747 hash[0]--; 748 749 sig[0]++; 750 do { 751 ret = mbedtls_pk_verify_restartable( &pub, md_alg, 752 hash, hlen, sig, slen, &rs_ctx ); 753 } while( ret == MBEDTLS_ERR_ECP_IN_PROGRESS ); 754 TEST_ASSERT( ret != 0 ); 755 sig[0]--; 756 757 /* Do we leak memory when aborting? try verify then sign 758 * This test only makes sense when we actually restart */ 759 if( min_restart > 0 ) 760 { 761 ret = mbedtls_pk_verify_restartable( &pub, md_alg, 762 hash, hlen, sig, slen, &rs_ctx ); 763 TEST_ASSERT( ret == MBEDTLS_ERR_ECP_IN_PROGRESS ); 764 mbedtls_pk_restart_free( &rs_ctx ); 765 766 slen = sizeof( sig ); 767 ret = mbedtls_pk_sign_restartable( &prv, md_alg, hash, hlen, 768 sig, &slen, NULL, NULL, &rs_ctx ); 769 TEST_ASSERT( ret == MBEDTLS_ERR_ECP_IN_PROGRESS ); 770 } 771 772exit: 773 mbedtls_pk_restart_free( &rs_ctx ); 774 mbedtls_pk_free( &prv ); 775 mbedtls_pk_free( &pub ); 776} 777/* END_CASE */ 778 779/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */ 780void pk_sign_verify( int type, int sign_ret, int verify_ret ) 781{ 782 mbedtls_pk_context pk; 783 unsigned char hash[50], sig[5000]; 784 size_t sig_len; 785 void *rs_ctx = NULL; 786#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) 787 mbedtls_pk_restart_ctx ctx; 788 789 rs_ctx = &ctx; 790 mbedtls_pk_restart_init( rs_ctx ); 791 /* This value is large enough that the operation will complete in one run. 792 * See comments at the top of ecp_test_vect_restart in 793 * test_suite_ecp.function for estimates of operation counts. */ 794 mbedtls_ecp_set_max_ops( 42000 ); 795#endif 796 797 mbedtls_pk_init( &pk ); 798 799 memset( hash, 0x2a, sizeof hash ); 800 memset( sig, 0, sizeof sig ); 801 802 TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( type ) ) == 0 ); 803 TEST_ASSERT( pk_genkey( &pk ) == 0 ); 804 805 TEST_ASSERT( mbedtls_pk_sign_restartable( &pk, MBEDTLS_MD_SHA256, 806 hash, sizeof hash, sig, &sig_len, 807 rnd_std_rand, NULL, rs_ctx ) == sign_ret ); 808 809 TEST_ASSERT( mbedtls_pk_verify( &pk, MBEDTLS_MD_SHA256, 810 hash, sizeof hash, sig, sig_len ) == verify_ret ); 811 812 if( verify_ret == 0 ) 813 { 814 hash[0]++; 815 TEST_ASSERT( mbedtls_pk_verify( &pk, MBEDTLS_MD_SHA256, 816 hash, sizeof hash, sig, sig_len ) != 0 ); 817 hash[0]--; 818 819 sig[0]++; 820 TEST_ASSERT( mbedtls_pk_verify( &pk, MBEDTLS_MD_SHA256, 821 hash, sizeof hash, sig, sig_len ) != 0 ); 822 sig[0]--; 823 } 824 825 TEST_ASSERT( mbedtls_pk_sign( &pk, MBEDTLS_MD_SHA256, hash, sizeof hash, 826 sig, &sig_len, rnd_std_rand, NULL ) == sign_ret ); 827 828 TEST_ASSERT( mbedtls_pk_verify_restartable( &pk, MBEDTLS_MD_SHA256, 829 hash, sizeof hash, sig, sig_len, rs_ctx ) == verify_ret ); 830 831 if( verify_ret == 0 ) 832 { 833 hash[0]++; 834 TEST_ASSERT( mbedtls_pk_verify_restartable( &pk, MBEDTLS_MD_SHA256, 835 hash, sizeof hash, sig, sig_len, rs_ctx ) != 0 ); 836 hash[0]--; 837 838 sig[0]++; 839 TEST_ASSERT( mbedtls_pk_verify_restartable( &pk, MBEDTLS_MD_SHA256, 840 hash, sizeof hash, sig, sig_len, rs_ctx ) != 0 ); 841 sig[0]--; 842 } 843 844exit: 845#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE) 846 mbedtls_pk_restart_free( rs_ctx ); 847#endif 848 mbedtls_pk_free( &pk ); 849} 850/* END_CASE */ 851 852/* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ 853void pk_rsa_encrypt_test_vec( data_t * message, int mod, int radix_N, 854 char * input_N, int radix_E, char * input_E, 855 data_t * result, int ret ) 856{ 857 unsigned char output[300]; 858 rnd_pseudo_info rnd_info; 859 mbedtls_rsa_context *rsa; 860 mbedtls_pk_context pk; 861 size_t olen; 862 863 memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) ); 864 memset( output, 0, sizeof( output ) ); 865 866 867 mbedtls_pk_init( &pk ); 868 TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == 0 ); 869 rsa = mbedtls_pk_rsa( pk ); 870 871 rsa->len = mod / 8; 872 TEST_ASSERT( mbedtls_test_read_mpi( &rsa->N, radix_N, input_N ) == 0 ); 873 TEST_ASSERT( mbedtls_test_read_mpi( &rsa->E, radix_E, input_E ) == 0 ); 874 875 TEST_ASSERT( mbedtls_pk_encrypt( &pk, message->x, message->len, 876 output, &olen, sizeof( output ), 877 rnd_pseudo_rand, &rnd_info ) == ret ); 878 TEST_ASSERT( olen == result->len ); 879 TEST_ASSERT( memcmp( output, result->x, olen ) == 0 ); 880 881exit: 882 mbedtls_pk_free( &pk ); 883} 884/* END_CASE */ 885 886/* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ 887void pk_rsa_decrypt_test_vec( data_t * cipher, int mod, int radix_P, 888 char * input_P, int radix_Q, char * input_Q, 889 int radix_N, char * input_N, int radix_E, 890 char * input_E, data_t * clear, int ret ) 891{ 892 unsigned char output[256]; 893 rnd_pseudo_info rnd_info; 894 mbedtls_mpi N, P, Q, E; 895 mbedtls_rsa_context *rsa; 896 mbedtls_pk_context pk; 897 size_t olen; 898 899 mbedtls_pk_init( &pk ); 900 mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); 901 mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E ); 902 903 memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) ); 904 905 906 /* init pk-rsa context */ 907 TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == 0 ); 908 rsa = mbedtls_pk_rsa( pk ); 909 910 /* load public key */ 911 TEST_ASSERT( mbedtls_test_read_mpi( &N, radix_N, input_N ) == 0 ); 912 TEST_ASSERT( mbedtls_test_read_mpi( &E, radix_E, input_E ) == 0 ); 913 914 /* load private key */ 915 TEST_ASSERT( mbedtls_test_read_mpi( &P, radix_P, input_P ) == 0 ); 916 TEST_ASSERT( mbedtls_test_read_mpi( &Q, radix_Q, input_Q ) == 0 ); 917 TEST_ASSERT( mbedtls_rsa_import( rsa, &N, &P, &Q, NULL, &E ) == 0 ); 918 TEST_ASSERT( mbedtls_rsa_get_len( rsa ) == (size_t) ( mod / 8 ) ); 919 TEST_ASSERT( mbedtls_rsa_complete( rsa ) == 0 ); 920 921 /* decryption test */ 922 memset( output, 0, sizeof( output ) ); 923 olen = 0; 924 TEST_ASSERT( mbedtls_pk_decrypt( &pk, cipher->x, cipher->len, 925 output, &olen, sizeof( output ), 926 rnd_pseudo_rand, &rnd_info ) == ret ); 927 if( ret == 0 ) 928 { 929 TEST_ASSERT( olen == clear->len ); 930 TEST_ASSERT( memcmp( output, clear->x, olen ) == 0 ); 931 } 932 933exit: 934 mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); 935 mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &E ); 936 mbedtls_pk_free( &pk ); 937} 938/* END_CASE */ 939 940/* BEGIN_CASE */ 941void pk_ec_nocrypt( int type ) 942{ 943 mbedtls_pk_context pk; 944 unsigned char output[100]; 945 unsigned char input[100]; 946 rnd_pseudo_info rnd_info; 947 size_t olen = 0; 948 int ret = MBEDTLS_ERR_PK_TYPE_MISMATCH; 949 950 mbedtls_pk_init( &pk ); 951 952 memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) ); 953 memset( output, 0, sizeof( output ) ); 954 memset( input, 0, sizeof( input ) ); 955 956 TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( type ) ) == 0 ); 957 958 TEST_ASSERT( mbedtls_pk_encrypt( &pk, input, sizeof( input ), 959 output, &olen, sizeof( output ), 960 rnd_pseudo_rand, &rnd_info ) == ret ); 961 962 TEST_ASSERT( mbedtls_pk_decrypt( &pk, input, sizeof( input ), 963 output, &olen, sizeof( output ), 964 rnd_pseudo_rand, &rnd_info ) == ret ); 965 966exit: 967 mbedtls_pk_free( &pk ); 968} 969/* END_CASE */ 970 971/* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ 972void pk_rsa_overflow( ) 973{ 974 mbedtls_pk_context pk; 975 size_t hash_len = SIZE_MAX, sig_len = SIZE_MAX; 976 unsigned char hash[50], sig[100]; 977 978 if( SIZE_MAX <= UINT_MAX ) 979 return; 980 981 memset( hash, 0x2a, sizeof hash ); 982 memset( sig, 0, sizeof sig ); 983 984 mbedtls_pk_init( &pk ); 985 986 TEST_ASSERT( mbedtls_pk_setup( &pk, 987 mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == 0 ); 988 989#if defined(MBEDTLS_PKCS1_V21) 990 TEST_ASSERT( mbedtls_pk_verify_ext( MBEDTLS_PK_RSASSA_PSS, NULL, &pk, 991 MBEDTLS_MD_NONE, hash, hash_len, sig, sig_len ) == 992 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 993#endif /* MBEDTLS_PKCS1_V21 */ 994 995 TEST_ASSERT( mbedtls_pk_verify( &pk, MBEDTLS_MD_NONE, hash, hash_len, 996 sig, sig_len ) == MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 997 998 TEST_ASSERT( mbedtls_pk_sign( &pk, MBEDTLS_MD_NONE, hash, hash_len, sig, &sig_len, 999 rnd_std_rand, NULL ) == MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 1000 1001exit: 1002 mbedtls_pk_free( &pk ); 1003} 1004/* END_CASE */ 1005 1006/* BEGIN_CASE depends_on:MBEDTLS_RSA_C:MBEDTLS_PK_RSA_ALT_SUPPORT */ 1007void pk_rsa_alt( ) 1008{ 1009 /* 1010 * An rsa_alt context can only do private operations (decrypt, sign). 1011 * Test it against the public operations (encrypt, verify) of a 1012 * corresponding rsa context. 1013 */ 1014 mbedtls_rsa_context raw; 1015 mbedtls_pk_context rsa, alt; 1016 mbedtls_pk_debug_item dbg_items[10]; 1017 unsigned char hash[50], sig[64]; 1018 unsigned char msg[50], ciph[64], test[50]; 1019 size_t sig_len, ciph_len, test_len; 1020 int ret = MBEDTLS_ERR_PK_TYPE_MISMATCH; 1021 1022 mbedtls_rsa_init( &raw, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_NONE ); 1023 mbedtls_pk_init( &rsa ); mbedtls_pk_init( &alt ); 1024 1025 memset( hash, 0x2a, sizeof hash ); 1026 memset( sig, 0, sizeof sig ); 1027 memset( msg, 0x2a, sizeof msg ); 1028 memset( ciph, 0, sizeof ciph ); 1029 memset( test, 0, sizeof test ); 1030 1031 /* Initiliaze PK RSA context with random key */ 1032 TEST_ASSERT( mbedtls_pk_setup( &rsa, 1033 mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == 0 ); 1034 TEST_ASSERT( pk_genkey( &rsa ) == 0 ); 1035 1036 /* Extract key to the raw rsa context */ 1037 TEST_ASSERT( mbedtls_rsa_copy( &raw, mbedtls_pk_rsa( rsa ) ) == 0 ); 1038 1039 /* Initialize PK RSA_ALT context */ 1040 TEST_ASSERT( mbedtls_pk_setup_rsa_alt( &alt, (void *) &raw, 1041 mbedtls_rsa_decrypt_func, mbedtls_rsa_sign_func, mbedtls_rsa_key_len_func ) == 0 ); 1042 1043 /* Test administrative functions */ 1044 TEST_ASSERT( mbedtls_pk_can_do( &alt, MBEDTLS_PK_RSA ) ); 1045 TEST_ASSERT( mbedtls_pk_get_bitlen( &alt ) == RSA_KEY_SIZE ); 1046 TEST_ASSERT( mbedtls_pk_get_len( &alt ) == RSA_KEY_LEN ); 1047 TEST_ASSERT( mbedtls_pk_get_type( &alt ) == MBEDTLS_PK_RSA_ALT ); 1048 TEST_ASSERT( strcmp( mbedtls_pk_get_name( &alt ), "RSA-alt" ) == 0 ); 1049 1050 /* Test signature */ 1051#if SIZE_MAX > UINT_MAX 1052 TEST_ASSERT( mbedtls_pk_sign( &alt, MBEDTLS_MD_NONE, hash, SIZE_MAX, 1053 sig, &sig_len, rnd_std_rand, NULL ) == 1054 MBEDTLS_ERR_PK_BAD_INPUT_DATA ); 1055#endif /* SIZE_MAX > UINT_MAX */ 1056 TEST_ASSERT( mbedtls_pk_sign( &alt, MBEDTLS_MD_NONE, hash, sizeof hash, 1057 sig, &sig_len, rnd_std_rand, NULL ) == 0 ); 1058 TEST_ASSERT( sig_len == RSA_KEY_LEN ); 1059 TEST_ASSERT( mbedtls_pk_verify( &rsa, MBEDTLS_MD_NONE, 1060 hash, sizeof hash, sig, sig_len ) == 0 ); 1061 1062 /* Test decrypt */ 1063 TEST_ASSERT( mbedtls_pk_encrypt( &rsa, msg, sizeof msg, 1064 ciph, &ciph_len, sizeof ciph, 1065 rnd_std_rand, NULL ) == 0 ); 1066 TEST_ASSERT( mbedtls_pk_decrypt( &alt, ciph, ciph_len, 1067 test, &test_len, sizeof test, 1068 rnd_std_rand, NULL ) == 0 ); 1069 TEST_ASSERT( test_len == sizeof msg ); 1070 TEST_ASSERT( memcmp( test, msg, test_len ) == 0 ); 1071 1072 /* Test forbidden operations */ 1073 TEST_ASSERT( mbedtls_pk_encrypt( &alt, msg, sizeof msg, 1074 ciph, &ciph_len, sizeof ciph, 1075 rnd_std_rand, NULL ) == ret ); 1076 TEST_ASSERT( mbedtls_pk_verify( &alt, MBEDTLS_MD_NONE, 1077 hash, sizeof hash, sig, sig_len ) == ret ); 1078 TEST_ASSERT( mbedtls_pk_debug( &alt, dbg_items ) == ret ); 1079 1080exit: 1081 mbedtls_rsa_free( &raw ); 1082 mbedtls_pk_free( &rsa ); mbedtls_pk_free( &alt ); 1083} 1084/* END_CASE */ 1085