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