test/tls13encryptiontest.c

   1 /*
   2  * Copyright 2016 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 #include "../ssl/ssl_locl.h"
  13 #include "../ssl/record/record_locl.h"
  14
  15 #include "testutil.h"
  16 #include "test_main.h"
  17
  18 /*
  19  * Based on the test vectors provided in:
  20  * https://www.ietf.org/id/draft-thomson-tls-tls13-vectors-01.txt
  21  */
  22
  23 struct record_data {
  24     const char *plaintext;
  25     const char *ciphertext;
  26     const char *key;
  27     const char *iv;
  28     const char *seq;
  29 } refdata[] = {
  30     {
  31         "0800001e001c000a00140012001d0017001800190100010101020103010400000000"
  32         "0b0001b9000001b50001b0308201ac30820115a003020102020102300d06092a8648"
  33         "86f70d01010b0500300e310c300a06035504031303727361301e170d313630373330"
  34         "3031323335395a170d3236303733303031323335395a300e310c300a060355040313"
  35         "0372736130819f300d06092a864886f70d010101050003818d0030818902818100b4"
  36         "bb498f8279303d980836399b36c6988c0c68de55e1bdb826d3901a2461eafd2de49a"
  37         "91d015abbc9a95137ace6c1af19eaa6af98c7ced43120998e187a80ee0ccb0524b1b"
  38         "018c3e0b63264d449a6d38e22a5fda430846748030530ef0461c8ca9d9efbfae8ea6"
  39         "d1d03e2bd193eff0ab9a8002c47428a6d35a8d88d79f7f1e3f0203010001a31a3018"
  40         "30090603551d1304023000300b0603551d0f0404030205a0300d06092a864886f70d"
  41         "01010b05000381810085aad2a0e5b9276b908c65f73a7267170618a54c5f8a7b337d"
  42         "2df7a594365417f2eae8f8a58c8f8172f9319cf36b7fd6c55b80f21a030151567260"
  43         "96fd335e5e67f2dbf102702e608ccae6bec1fc63a42a99be5c3eb7107c3c54e9b9eb"
  44         "2bd5203b1c3b84e0a8b2f759409ba3eac9d91d402dcc0cc8f8961229ac9187b42b4d"
  45         "e100000f00008408040080134e22eac57321ab47db6b38b2992cec2dd79bd065a034"
  46         "a9af6b9e3d03475e4309e6523ccdf055453fb480804a3a7e996229eb28e734f6702b"
  47         "ea2b32149899ac043a4b44468197868da77147ce9f73c0543c4e3fc33e306cac8506"
  48         "faa80a959c5f1edccbee76eda1ad7a4fa440de35dcb87e82ec94e8725355ce750771"
  49         "3a609e140000207304bb73321f01b71dd94622fae98daf634490d220e4c8f3ffa255"
  50         "9911a56e5116",
  51         "40ae92071a3a548b26af31e116dfc0ba4549210b17e70da16cfbda9ccdad844d9426"
  52         "4a9ae65b786b3eaf0de20aa89c6babb448b6f32d07f233584296eefe19316bd97965"
  53         "9472ee8567cb01d70b0366cddb3c60eb9e1d789a3691dc254c14de73f4f201005045"
  54         "44ce184d44547e124b1f18303b4859f8f2e2b04423d23a866b43866374d54af41649"
  55         "d25f4a3ec2cecd5d4e6de1b24953440b46fbb74c1dbec6fbb1f16bc21d4aa0e1e936"
  56         "a49c07127e19719bc652a2f0b7f8df4a150b2b3c9e9e353d6ed101970ddc611abad0"
  57         "632c6793f9379c9d06846c311fcbd6f85edd569b8782c4c5f62294c4611ae60f8323"
  58         "0a53aa95e3bcbed204f19a7a1db83c0fbfec1edd2c17498fa7b5aa2321248a92592d"
  59         "891e4947df6bcef52f4481797d032ad332046a384abece6454b3e356d7249bfa5696"
  60         "793c7f7d3048dc87fa7409a4691887caaf0982c402b902d699f62dc4d5e153f13e85"
  61         "89e4a6206c7f74eb26ddefbb92309fb753decfea972dec7de02eda9c6d26acd7be53"
  62         "a8aa20f1a93f082ae6eb927a6a1b7bd9153551aedfaf94f61dd4cb9355ad7ab09f61"
  63         "5d9f92c21712c732c0e7e117797f38cbdc184e3a65e15a89f46cb3624f5fdb8dbbd2"
  64         "75f2c8492f8d95bdbd8d1dc1b9f21107bd433acbbac247239c073a2f24a4a9f8074f"
  65         "325f277d579b6bff0269ff19aed3809a9ddd21dd29c1363c9dc44812dd41d2111f9c"
  66         "2e8342046c14133b853262676f15e94de18660e04ae5c0c661ea43559af5842e161c"
  67         "83dd29f64508b2ec3e635a2134fc0e1a39d3ecb51dcddfcf8382c88ffe2a737842ad"
  68         "1de7fe505b6c4d1673870f6fc2a0f2f7972acaee368a1599d64ba18798f10333f977"
  69         "9bd5b05f9b084d03dab2f3d80c2eb74ec70c9866ea31c18b491cd597aae3e941205f"
  70         "cc38a3a10ce8c0269f02ccc9c51278e25f1a0f0731a9",
  71         "d2dd45f87ad87801a85ac38187f9023b",
  72         "f0a14f808692cef87a3daf70",
  73         "0000000000000000"
  74     },
  75     {
  76         "1400002078367856d3c8cc4e0a95eb98906ca7a48bd3cc7029f48bd4ae0dc91ab903"
  77         "ca8916",
  78         "fa15e92daa21cd05d8f9c3152a61748d9aaf049da559718e583f95aacecad657b52a"
  79         "6562da09a5819e864d86ac2989360a1eb22795",
  80         "40e1201d75d419627f04c88530a15c9d",
  81         "a0f073f3b35e18f96969696b",
  82         "0000000000000000"
  83     },
  84     {
  85         "040000a60002a3004abe594b00924e535321cadc96238da09caf9b02fecafdd65e3e"
  86         "418f03e43772cf512ed8066100503b1c08abbbf298a9d138ce821dd12fe1710e2137"
  87         "cd12e6a85cd3fd7f73706e7f5dddefb87c1ef83824638464099c9d1363e3c64ed207"
  88         "5c16b8ccd8e524a6bbd7a6a6e34ea1579782b15bbe7dfed5c0c0d980fb330f9d8ab2"
  89         "52ffe7be1277d418b6828ead4dae3b30d448442417ef76af0008002e000400020000"
  90         "16",
  91         "45a6626fa13b66ce2c5b3ef807e299a118296f26a2dd9ec7487a0673e2460d4c79f4"
  92         "0087dcd014c59c51379c90d26b4e4f9bb2b78f5b6761594f013ff3e4c78d83690522"
  93         "9eac811c4ef8b2faa89867e9ffc586f7f03c216591aa5e620eac3c62dfe60f846036"
  94         "bd7ecc4464b584af184e9644e94ee1d7834dba408a51cbe4248004796ed9c558e0f5"
  95         "f96115a6f6ba487e17d16a2e20a3d3a650a9a070fb53d9da82864b5621d77650bd0c"
  96         "7947e9889917b53d0515627c72b0ded521",
  97         "3381f6b3f94500f16226de440193e858",
  98         "4f1d73cc1d465eb30021c41f",
  99         "0000000000000000"
 100     },
 101     {
 102         "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f2021"
 103         "22232425262728292a2b2c2d2e2f303117",
 104         "e306178ad97f74bb64f35eaf3c39846b83aef8472cbc9046749b81a949dfb12cfbc6"
 105         "5cbabd20ade92c1f944605892ceeb12fdee8a927bce77c83036ac5a794a8f54a69",
 106         "eb23a804904b80ba4fe8399e09b1ce42",
 107         "efa8c50c06b9c9b8c483e174",
 108         "0000000000000000"
 109     },
 110     {
 111         "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f20212"
 112         "2232425262728292a2b2c2d2e2f303117",
 113         "467d99a807dbf778e6ffd8be52456c70665f890811ef2f3c495d5bbe983feedab0c25"
 114         "1dde596bc7e2b135909ec9f9166fb0152e8c16a84e4b1039256467f9538be4463",
 115         "3381f6b3f94500f16226de440193e858",
 116         "4f1d73cc1d465eb30021c41f",
 117         "0000000000000001"
 118     },
 119     {
 120         "010015",
 121         "6bdf60847ba6fb650da36e872adc684a4af2e8",
 122         "eb23a804904b80ba4fe8399e09b1ce42",
 123         "efa8c50c06b9c9b8c483e174",
 124         "0000000000000001"
 125     },
 126     {
 127         "010015",
 128         "621b7cc1962cd8a70109fee68a52efedf87d2e",
 129         "3381f6b3f94500f16226de440193e858",
 130         "4f1d73cc1d465eb30021c41f",
 131         "0000000000000002"
 132     }
 133 };
 134
 135 static int load_record(SSL3_RECORD *rec, size_t recnum, unsigned char **key,
 136                        unsigned char *iv, size_t ivlen, unsigned char *seq)
 137 {
 138     unsigned char *pt = NULL, *sq = NULL, *ivtmp = NULL;
 139     long ptlen;
 140
 141     *key = OPENSSL_hexstr2buf(refdata[recnum].key, NULL);
 142     ivtmp = OPENSSL_hexstr2buf(refdata[recnum].iv, NULL);
 143     sq = OPENSSL_hexstr2buf(refdata[recnum].seq, NULL);
 144     pt = OPENSSL_hexstr2buf(refdata[recnum].plaintext, &ptlen);
 145
 146     if (*key == NULL || ivtmp == NULL || sq == NULL || pt == NULL)
 147         goto err;
 148
 149     rec->data = rec->input = OPENSSL_malloc(ptlen + EVP_GCM_TLS_TAG_LEN);
 150
 151     if (rec->data == NULL)
 152         goto err;
 153
 154     rec->length = ptlen;
 155     memcpy(rec->data, pt, ptlen);
 156     OPENSSL_free(pt);
 157     memcpy(seq, sq, SEQ_NUM_SIZE);
 158     OPENSSL_free(sq);
 159     memcpy(iv, ivtmp, ivlen);
 160     OPENSSL_free(ivtmp);
 161
 162     return 1;
 163  err:
 164     OPENSSL_free(*key);
 165     *key = NULL;
 166     OPENSSL_free(ivtmp);
 167     OPENSSL_free(sq);
 168     OPENSSL_free(pt);
 169     return 0;
 170 }
 171
 172 static int test_record(SSL3_RECORD *rec, size_t recnum, int enc)
 173 {
 174     int ret = 0;
 175     unsigned char *refd;
 176     long refdatalenl;
 177     size_t refdatalen;
 178
 179     if (enc)
 180         refd = OPENSSL_hexstr2buf(refdata[recnum].ciphertext, &refdatalenl);
 181     else
 182         refd = OPENSSL_hexstr2buf(refdata[recnum].plaintext, &refdatalenl);
 183
 184     if (refd == NULL) {
 185         fprintf(stderr, "Failed to get reference data for record %"OSSLzu
 186                          "\n", recnum);
 187         goto err;
 188     }
 189     refdatalen = (size_t)refdatalenl;
 190
 191     if (rec->length != refdatalen) {
 192         fprintf(stderr, "Unexpected length for record %"OSSLzu"\n", recnum);
 193         goto err;
 194     }
 195
 196     if (memcmp(rec->data, refd, refdatalen) != 0) {
 197         fprintf(stderr, "Data does not match for record %"OSSLzu"\n", recnum);
 198         goto err;
 199     }
 200
 201     ret = 1;
 202
 203  err:
 204     OPENSSL_free(refd);
 205     return ret;
 206 }
 207
 208 static int test_tls13_encryption(void)
 209 {
 210     SSL_CTX *ctx = NULL;
 211     SSL *s = NULL;
 212     SSL3_RECORD rec;
 213     unsigned char *key = NULL, *iv = NULL, *seq = NULL;
 214     const EVP_CIPHER *ciph = EVP_aes_128_gcm();
 215     int ret = 0;
 216     size_t ivlen, ctr;
 217
 218     rec.data = NULL;
 219
 220     ctx = SSL_CTX_new(TLS_method());
 221     if (ctx == NULL) {
 222         fprintf(stderr, "Failed creating SSL_CTX\n");
 223         goto err;
 224     }
 225
 226     s = SSL_new(ctx);
 227     if (s == NULL) {
 228         fprintf(stderr, "Failed creating SSL\n");
 229         goto err;
 230     }
 231
 232     s->enc_read_ctx = EVP_CIPHER_CTX_new();
 233     s->enc_write_ctx = EVP_CIPHER_CTX_new();
 234     if (s->enc_read_ctx == NULL || s->enc_write_ctx == NULL) {
 235         fprintf(stderr, "Failed creating EVP_CIPHER_CTX\n");
 236         goto err;
 237     }
 238
 239     for (ctr = 0; ctr < OSSL_NELEM(refdata); ctr++) {
 240         /* Load the record */
 241         ivlen = EVP_CIPHER_iv_length(ciph);
 242         if (!load_record(&rec, ctr, &key, s->read_iv, ivlen,
 243                          RECORD_LAYER_get_read_sequence(&s->rlayer))) {
 244             fprintf(stderr, "Failed loading key into EVP_CIPHER_CTX\n");
 245             goto err;
 246         }
 247
 248         /* Set up the read/write sequences */
 249         memcpy(RECORD_LAYER_get_write_sequence(&s->rlayer),
 250                RECORD_LAYER_get_read_sequence(&s->rlayer), SEQ_NUM_SIZE);
 251         memcpy(s->write_iv, s->read_iv, ivlen);
 252
 253         /* Load the key into the EVP_CIPHER_CTXs */
 254         if (EVP_CipherInit_ex(s->enc_write_ctx, ciph, NULL, key, NULL, 1) <= 0
 255                 || EVP_CipherInit_ex(s->enc_read_ctx, ciph, NULL, key, NULL, 0)
 256                    <= 0) {
 257             fprintf(stderr, "Failed loading key into EVP_CIPHER_CTX\n");
 258             goto err;
 259         }
 260
 261         /* Encrypt it */
 262         if (tls13_enc(s, &rec, 1, 1) != 1) {
 263             fprintf(stderr, "Failed to encrypt record\n");
 264             goto err;
 265         }
 266         if (!test_record(&rec, ctr, 1)) {
 267             fprintf(stderr, "Record encryption test failed\n");
 268             goto err;
 269         }
 270
 271         /* Decrypt it */
 272         if (tls13_enc(s, &rec, 1, 0) != 1) {
 273             fprintf(stderr, "Failed to decrypt record\n");
 274             goto err;
 275         }
 276         if (!test_record(&rec, ctr, 0)) {
 277             fprintf(stderr, "Record decryption test failed\n");
 278             goto err;
 279         }
 280
 281         OPENSSL_free(rec.data);
 282         OPENSSL_free(key);
 283         OPENSSL_free(iv);
 284         OPENSSL_free(seq);
 285         rec.data = NULL;
 286         key = NULL;
 287         iv = NULL;
 288         seq = NULL;
 289     }
 290
 291     fprintf(stderr, "PASS: %"OSSLzu" records tested\n", ctr);
 292     ret = 1;
 293
 294  err:
 295     OPENSSL_free(rec.data);
 296     OPENSSL_free(key);
 297     OPENSSL_free(iv);
 298     OPENSSL_free(seq);
 299     SSL_free(s);
 300     SSL_CTX_free(ctx);
 301     return ret;
 302 }
 303
 304 void register_tests(void)
 305 {
 306     ADD_TEST(test_tls13_encryption);
 307 }