1/* 2 * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10#include <openssl/ssl.h> 11#include <openssl/evp.h> 12 13#ifdef __VMS 14# pragma names save 15# pragma names as_is,shortened 16#endif 17 18#include "../ssl/ssl_local.h" 19#include "../ssl/record/record_local.h" 20 21#ifdef __VMS 22# pragma names restore 23#endif 24 25#include "internal/nelem.h" 26#include "testutil.h" 27 28/* 29 * Based on the test vectors provided in: 30 * https://tools.ietf.org/html/draft-ietf-tls-tls13-vectors-06 31 */ 32 33typedef struct { 34 /* 35 * We split these into 3 chunks in order to work around the 509 character 36 * limit that the standard specifies for string literals 37 */ 38 const char *plaintext[3]; 39 const char *ciphertext[3]; 40 const char *key; 41 const char *iv; 42 const char *seq; 43} RECORD_DATA; 44 45/* 46 * Note 1: The plaintext values given here have an additional "16" or "17" byte 47 * added to the end when compared to the official vectors. The official vectors 48 * do not include the inner content type, but we require it. 49 * 50 * Note 2: These are the vectors for the "Simple 1-RTT Handshake" 51 */ 52static RECORD_DATA refdata[] = { 53 { 54 /* 55 * Server: EncryptedExtensions, Certificate, CertificateVerify and 56 * Finished 57 */ 58 { 59 "080000240022000a00140012001d00170018001901000101010201030104001c" 60 "00024001000000000b0001b9000001b50001b0308201ac30820115a003020102" 61 "020102300d06092a864886f70d01010b0500300e310c300a0603550403130372" 62 "7361301e170d3136303733303031323335395a170d3236303733303031323335" 63 "395a300e310c300a0603550403130372736130819f300d06092a864886f70d01" 64 "0101050003818d0030818902818100b4bb498f8279303d980836399b36c6988c" 65 "0c68de55e1bdb826d3901a2461eafd2de49a91d015abbc9a95137ace6c1af19e", 66 "aa6af98c7ced43120998e187a80ee0ccb0524b1b018c3e0b63264d449a6d38e2" 67 "2a5fda430846748030530ef0461c8ca9d9efbfae8ea6d1d03e2bd193eff0ab9a" 68 "8002c47428a6d35a8d88d79f7f1e3f0203010001a31a301830090603551d1304" 69 "023000300b0603551d0f0404030205a0300d06092a864886f70d01010b050003" 70 "81810085aad2a0e5b9276b908c65f73a7267170618a54c5f8a7b337d2df7a594" 71 "365417f2eae8f8a58c8f8172f9319cf36b7fd6c55b80f21a03015156726096fd" 72 "335e5e67f2dbf102702e608ccae6bec1fc63a42a99be5c3eb7107c3c54e9b9eb", 73 "2bd5203b1c3b84e0a8b2f759409ba3eac9d91d402dcc0cc8f8961229ac9187b4" 74 "2b4de100000f00008408040080754040d0ddab8cf0e2da2bc4995b868ad745c8" 75 "e1564e33cde17880a42392cc624aeef6b67bb3f0ae71d9d54a2309731d87dc59" 76 "f642d733be2eb27484ad8a8c8eb3516a7ac57f2625e2b5c0888a8541f4e734f7" 77 "3d054761df1dd02f0e3e9a33cfa10b6e3eb4ebf7ac053b01fdabbddfc54133bc" 78 "d24c8bbdceb223b2aa03452a2914000020ac86acbc9cd25a45b57ad5b64db15d" 79 "4405cf8c80e314583ebf3283ef9a99310c16" 80 }, 81 { 82 "f10b26d8fcaf67b5b828f712122216a1cd14187465b77637cbcd78539128bb93" 83 "246dcca1af56f1eaa271666077455bc54965d85f05f9bd36d6996171eb536aff" 84 "613eeddc42bad5a2d2227c4606f1215f980e7afaf56bd3b85a51be130003101a" 85 "758d077b1c891d8e7a22947e5a229851fd42a9dd422608f868272abf92b3d43f" 86 "b46ac420259346067f66322fd708885680f4b4433c29116f2dfa529e09bba53c" 87 "7cd920121724809eaddcc84307ef46fc51a0b33d99d39db337fcd761ce0f2b02" 88 "dc73dedb6fddb77c4f8099bde93d5bee08bcf2131f29a2a37ff07949e8f8bcdd", 89 "3e8310b8bf8b3444c85aaf0d2aeb2d4f36fd14d5cb51fcebff418b3827136ab9" 90 "529e9a3d3f35e4c0ae749ea2dbc94982a1281d3e6daab719aa4460889321a008" 91 "bf10fa06ac0c61cc122cc90d5e22c0030c986ae84a33a0c47df174bcfbd50bf7" 92 "8ffdf24051ab423db63d5815db2f830040f30521131c98c66f16c362addce2fb" 93 "a0602cf0a7dddf22e8def7516cdfee95b4056cc9ad38c95352335421b5b1ffba" 94 "df75e5212fdad7a75f52a2801486a1eec3539580bee0e4b337cda6085ac9eccd" 95 "1a0f1a46cebfbb5cdfa3251ac28c3bc826148c6d8c1eb6a06f77f6ff632c6a83", 96 "e283e8f9df7c6dbabf1c6ea40629a85b43ab0c73d34f9d5072832a104eda3f75" 97 "f5d83da6e14822a18e14099d749eafd823ca2ac7542086501eca206ce7887920" 98 "008573757ce2f230a890782b99cc682377beee812756d04f9025135fb599d746" 99 "fefe7316c922ac265ca0d29021375adb63c1509c3e242dfb92b8dee891f7368c" 100 "4058399b8db9075f2dcc8216194e503b6652d87d2cb41f99adfdcc5be5ec7e1e" 101 "6326ac22d70bd3ba652827532d669aff005173597f8039c3ea4922d3ec757670" 102 "222f6ac29b93e90d7ad3f6dd96328e429cfcfd5cca22707fe2d86ad1dcb0be75" 103 "6e8e" 104 }, 105 "c66cb1aec519df44c91e10995511ac8b", 106 "f7f6884c4981716c2d0d29a4", 107 "0000000000000000" 108 }, 109 { 110 /* Client: Finished */ 111 { 112 "14000020b9027a0204b972b52cdefa58950fa1580d68c9cb124dbe691a7178f2" 113 "5c554b2316", "", "" 114 }, 115 { 116 "9539b4ae2f87fd8e616b295628ea953d9e3858db274970d19813ec136cae7d96" 117 "e0417775fcabd3d8858fdc60240912d218f5afb21c", "", "" 118 }, 119 "2679a43e1d76784034ea1797d5ad2649", 120 "5482405290dd0d2f81c0d942", 121 "0000000000000000" 122 }, 123 { 124 /* Server: NewSessionTicket */ 125 { 126 "040000c90000001e2fd3992f02000000b2ff099f9676cdff8b0bf8825d000000" 127 "007905a9d28efeef4a47c6f9b06a0cecdb0070d920b898997c75b79636943ed4" 128 "2046a96142bd084a04acfa0c490f452d756dea02c0f927259f1f3231ac0d541a" 129 "769129b740ce38090842b828c27fd729f59737ba98aa7b42e043c5da28f8dca8" 130 "590b2df410d5134fd6c4cacad8b30370602afa35d265bf4d127976bb36dbda6a" 131 "626f0270e20eebc73d6fcae2b1a0da122ee9042f76be56ebf41aa469c3d2c9da" 132 "9197d80008002a00040000040016", "", "" 133 }, 134 { 135 "3680c2b2109d25caa26c3b06eea9fdc5cb31613ba702176596da2e886bf6af93" 136 "507bd68161ad9cb4780653842e1041ecbf0088a65ac4ef438419dd1d95ddd9bd" 137 "2ad4484e7e167d0e6c008448ae58a0418713b6fc6c51e4bb23a537fb75a74f73" 138 "de31fe6aa0bc522515f8b25f8955428b5de5ac06762cec22b0aa78c94385ef8e" 139 "70fa24945b7c1f268510871689bbbbfaf2e7f4a19277024f95f1143ab12a31ec" 140 "63adb128cb390711fd6d06a498df3e98615d8eb102e23353b480efcca5e8e026" 141 "7a6d0fe2441f14c8c9664aefb2cfff6ae9e0442728b6a0940c1e824fda06", 142 "", "" 143 144 }, 145 "a688ebb5ac826d6f42d45c0cc44b9b7d", 146 "c1cad4425a438b5de714830a", 147 "0000000000000000" 148 }, 149 { 150 /* Client: Application Data */ 151 { 152 "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f" 153 "202122232425262728292a2b2c2d2e2f303117", "", "" 154 }, 155 { 156 "8c3497da00ae023e53c01b4324b665404c1b49e78fe2bf4d17f6348ae8340551" 157 "e363a0cd05f2179c4fef5ad689b5cae0bae94adc63632e571fb79aa91544c639" 158 "4d28a1", "", "" 159 160 }, 161 "88b96ad686c84be55ace18a59cce5c87", 162 "b99dc58cd5ff5ab082fdad19", 163 "0000000000000000" 164 }, 165 166 167 { 168 /* Server: Application Data */ 169 { 170 "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f" 171 "202122232425262728292a2b2c2d2e2f303117", "", "" 172 }, 173 { 174 "f65f49fd2df6cd2347c3d30166e3cfddb6308a5906c076112c6a37ff1dbd406b" 175 "5813c0abd734883017a6b2833186b13c14da5d75f33d8760789994e27d82043a" 176 "b88d65", "", "" 177 }, 178 "a688ebb5ac826d6f42d45c0cc44b9b7d", 179 "c1cad4425a438b5de714830a", 180 "0000000000000001" 181 }, 182 { 183 /* Client: CloseNotify */ 184 { 185 "010015", "", "" 186 }, 187 { 188 "2c2148163d7938a35f6acf2a6606f8cbd1d9f2", "", "" 189 }, 190 "88b96ad686c84be55ace18a59cce5c87", 191 "b99dc58cd5ff5ab082fdad19", 192 "0000000000000001" 193 }, 194 { 195 /* Server: CloseNotify */ 196 { 197 "010015", "", "" 198 }, 199 { 200 "f8141ebdb5eda511e0bce639a56ff9ea825a21", "", "" 201 202 }, 203 "a688ebb5ac826d6f42d45c0cc44b9b7d", 204 "c1cad4425a438b5de714830a", 205 "0000000000000002" 206 } 207}; 208 209/* 210 * Same thing as OPENSSL_hexstr2buf() but enables us to pass the string in 211 * 3 chunks 212 */ 213static unsigned char *multihexstr2buf(const char *str[3], size_t *len) 214{ 215 size_t outer, inner, curr = 0; 216 unsigned char *outbuf; 217 size_t totlen = 0; 218 219 /* Check lengths of all input strings are even */ 220 for (outer = 0; outer < 3; outer++) { 221 totlen += strlen(str[outer]); 222 if ((totlen & 1) != 0) 223 return NULL; 224 } 225 226 totlen /= 2; 227 outbuf = OPENSSL_malloc(totlen); 228 if (outbuf == NULL) 229 return NULL; 230 231 for (outer = 0; outer < 3; outer++) { 232 for (inner = 0; str[outer][inner] != 0; inner += 2) { 233 int hi, lo; 234 235 hi = OPENSSL_hexchar2int(str[outer][inner]); 236 lo = OPENSSL_hexchar2int(str[outer][inner + 1]); 237 238 if (hi < 0 || lo < 0) { 239 OPENSSL_free(outbuf); 240 return NULL; 241 } 242 outbuf[curr++] = (hi << 4) | lo; 243 } 244 } 245 246 *len = totlen; 247 return outbuf; 248} 249 250static int load_record(SSL3_RECORD *rec, RECORD_DATA *recd, unsigned char **key, 251 unsigned char *iv, size_t ivlen, unsigned char *seq) 252{ 253 unsigned char *pt = NULL, *sq = NULL, *ivtmp = NULL; 254 size_t ptlen; 255 256 *key = OPENSSL_hexstr2buf(recd->key, NULL); 257 ivtmp = OPENSSL_hexstr2buf(recd->iv, NULL); 258 sq = OPENSSL_hexstr2buf(recd->seq, NULL); 259 pt = multihexstr2buf(recd->plaintext, &ptlen); 260 261 if (*key == NULL || ivtmp == NULL || sq == NULL || pt == NULL) 262 goto err; 263 264 rec->data = rec->input = OPENSSL_malloc(ptlen + EVP_GCM_TLS_TAG_LEN); 265 266 if (rec->data == NULL) 267 goto err; 268 269 rec->length = ptlen; 270 memcpy(rec->data, pt, ptlen); 271 OPENSSL_free(pt); 272 memcpy(seq, sq, SEQ_NUM_SIZE); 273 OPENSSL_free(sq); 274 memcpy(iv, ivtmp, ivlen); 275 OPENSSL_free(ivtmp); 276 277 return 1; 278 err: 279 OPENSSL_free(*key); 280 *key = NULL; 281 OPENSSL_free(ivtmp); 282 OPENSSL_free(sq); 283 OPENSSL_free(pt); 284 return 0; 285} 286 287static int test_record(SSL3_RECORD *rec, RECORD_DATA *recd, int enc) 288{ 289 int ret = 0; 290 unsigned char *refd; 291 size_t refdatalen = 0; 292 293 if (enc) 294 refd = multihexstr2buf(recd->ciphertext, &refdatalen); 295 else 296 refd = multihexstr2buf(recd->plaintext, &refdatalen); 297 298 if (!TEST_ptr(refd)) { 299 TEST_info("Failed to get reference data"); 300 goto err; 301 } 302 303 if (!TEST_mem_eq(rec->data, rec->length, refd, refdatalen)) 304 goto err; 305 306 ret = 1; 307 308 err: 309 OPENSSL_free(refd); 310 return ret; 311} 312 313#define TLS13_AES_128_GCM_SHA256_BYTES ((const unsigned char *)"\x13\x01") 314 315static int test_tls13_encryption(void) 316{ 317 SSL_CTX *ctx = NULL; 318 SSL *s = NULL; 319 SSL3_RECORD rec; 320 unsigned char *key = NULL, *iv = NULL, *seq = NULL; 321 const EVP_CIPHER *ciph = EVP_aes_128_gcm(); 322 int ret = 0; 323 size_t ivlen, ctr; 324 325 /* 326 * Encrypted TLSv1.3 records always have an outer content type of 327 * application data, and a record version of TLSv1.2. 328 */ 329 rec.data = NULL; 330 rec.type = SSL3_RT_APPLICATION_DATA; 331 rec.rec_version = TLS1_2_VERSION; 332 333 ctx = SSL_CTX_new(TLS_method()); 334 if (!TEST_ptr(ctx)) { 335 TEST_info("Failed creating SSL_CTX"); 336 goto err; 337 } 338 339 s = SSL_new(ctx); 340 if (!TEST_ptr(s)) { 341 TEST_info("Failed creating SSL"); 342 goto err; 343 } 344 345 s->enc_read_ctx = EVP_CIPHER_CTX_new(); 346 if (!TEST_ptr(s->enc_read_ctx)) 347 goto err; 348 349 s->enc_write_ctx = EVP_CIPHER_CTX_new(); 350 if (!TEST_ptr(s->enc_write_ctx)) 351 goto err; 352 353 s->s3->tmp.new_cipher = SSL_CIPHER_find(s, TLS13_AES_128_GCM_SHA256_BYTES); 354 if (!TEST_ptr(s->s3->tmp.new_cipher)) { 355 TEST_info("Failed to find cipher"); 356 goto err; 357 } 358 359 for (ctr = 0; ctr < OSSL_NELEM(refdata); ctr++) { 360 /* Load the record */ 361 ivlen = EVP_CIPHER_iv_length(ciph); 362 if (!load_record(&rec, &refdata[ctr], &key, s->read_iv, ivlen, 363 RECORD_LAYER_get_read_sequence(&s->rlayer))) { 364 TEST_error("Failed loading key into EVP_CIPHER_CTX"); 365 goto err; 366 } 367 368 /* Set up the read/write sequences */ 369 memcpy(RECORD_LAYER_get_write_sequence(&s->rlayer), 370 RECORD_LAYER_get_read_sequence(&s->rlayer), SEQ_NUM_SIZE); 371 memcpy(s->write_iv, s->read_iv, ivlen); 372 373 /* Load the key into the EVP_CIPHER_CTXs */ 374 if (EVP_CipherInit_ex(s->enc_write_ctx, ciph, NULL, key, NULL, 1) <= 0 375 || EVP_CipherInit_ex(s->enc_read_ctx, ciph, NULL, key, NULL, 0) 376 <= 0) { 377 TEST_error("Failed loading key into EVP_CIPHER_CTX\n"); 378 goto err; 379 } 380 381 /* Encrypt it */ 382 if (!TEST_size_t_eq(tls13_enc(s, &rec, 1, 1), 1)) { 383 TEST_info("Failed to encrypt record %zu", ctr); 384 goto err; 385 } 386 if (!TEST_true(test_record(&rec, &refdata[ctr], 1))) { 387 TEST_info("Record %zu encryption test failed", ctr); 388 goto err; 389 } 390 391 /* Decrypt it */ 392 if (!TEST_int_eq(tls13_enc(s, &rec, 1, 0), 1)) { 393 TEST_info("Failed to decrypt record %zu", ctr); 394 goto err; 395 } 396 if (!TEST_true(test_record(&rec, &refdata[ctr], 0))) { 397 TEST_info("Record %zu decryption test failed", ctr); 398 goto err; 399 } 400 401 OPENSSL_free(rec.data); 402 OPENSSL_free(key); 403 OPENSSL_free(iv); 404 OPENSSL_free(seq); 405 rec.data = NULL; 406 key = NULL; 407 iv = NULL; 408 seq = NULL; 409 } 410 411 TEST_note("PASS: %zu records tested", ctr); 412 ret = 1; 413 414 err: 415 OPENSSL_free(rec.data); 416 OPENSSL_free(key); 417 OPENSSL_free(iv); 418 OPENSSL_free(seq); 419 SSL_free(s); 420 SSL_CTX_free(ctx); 421 return ret; 422} 423 424int setup_tests(void) 425{ 426 ADD_TEST(test_tls13_encryption); 427 return 1; 428} 429