| bad_dtls_test.c (312826) | bad_dtls_test.c (326663) |
|---|---|
| 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 */ --- 576 unchanged lines hidden (view full) --- 585 unsigned char lenbytes[2]; 586 HMAC_CTX ctx; 587 EVP_CIPHER_CTX enc_ctx; 588 unsigned char iv[16]; 589 unsigned char pad; 590 unsigned char *enc; 591 592#ifdef SIXTY_FOUR_BIT_LONG | 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 */ --- 576 unchanged lines hidden (view full) --- 585 unsigned char lenbytes[2]; 586 HMAC_CTX ctx; 587 EVP_CIPHER_CTX enc_ctx; 588 unsigned char iv[16]; 589 unsigned char pad; 590 unsigned char *enc; 591 592#ifdef SIXTY_FOUR_BIT_LONG |
| 593 seq[0] = (seqnr >> 40) & 0xff; 594 seq[1] = (seqnr >> 32) & 0xff; | 593 seq[0] = (unsigned char)(seqnr >> 40); 594 seq[1] = (unsigned char)(seqnr >> 32); |
| 595#endif | 595#endif |
| 596 seq[2] = (seqnr >> 24) & 0xff; 597 seq[3] = (seqnr >> 16) & 0xff; 598 seq[4] = (seqnr >> 8) & 0xff; 599 seq[5] = seqnr & 0xff; | 596 seq[2] = (unsigned char)(seqnr >> 24); 597 seq[3] = (unsigned char)(seqnr >> 16); 598 seq[4] = (unsigned char)(seqnr >> 8); 599 seq[5] = (unsigned char)(seqnr); |
| 600 601 pad = 15 - ((len + SHA_DIGEST_LENGTH) % 16); 602 enc = OPENSSL_malloc(len + SHA_DIGEST_LENGTH + 1 + pad); 603 if (enc == NULL) 604 return 0; 605 606 /* Copy record to encryption buffer */ 607 memcpy(enc, msg, len); 608 609 /* Append HMAC to data */ 610 HMAC_Init(&ctx, mac_key, 20, EVP_sha1()); 611 HMAC_Update(&ctx, epoch, 2); 612 HMAC_Update(&ctx, seq, 6); 613 HMAC_Update(&ctx, &type, 1); 614 HMAC_Update(&ctx, ver, 2); /* Version */ | 600 601 pad = 15 - ((len + SHA_DIGEST_LENGTH) % 16); 602 enc = OPENSSL_malloc(len + SHA_DIGEST_LENGTH + 1 + pad); 603 if (enc == NULL) 604 return 0; 605 606 /* Copy record to encryption buffer */ 607 memcpy(enc, msg, len); 608 609 /* Append HMAC to data */ 610 HMAC_Init(&ctx, mac_key, 20, EVP_sha1()); 611 HMAC_Update(&ctx, epoch, 2); 612 HMAC_Update(&ctx, seq, 6); 613 HMAC_Update(&ctx, &type, 1); 614 HMAC_Update(&ctx, ver, 2); /* Version */ |
| 615 lenbytes[0] = len >> 8; 616 lenbytes[1] = len & 0xff; | 615 lenbytes[0] = (unsigned char)(len >> 8); 616 lenbytes[1] = (unsigned char)(len); |
| 617 HMAC_Update(&ctx, lenbytes, 2); /* Length */ 618 HMAC_Update(&ctx, enc, len); /* Finally the data itself */ 619 HMAC_Final(&ctx, enc + len, NULL); 620 HMAC_CTX_cleanup(&ctx); 621 622 /* Append padding bytes */ 623 len += SHA_DIGEST_LENGTH; 624 do { --- 7 unchanged lines hidden (view full) --- 632 EVP_Cipher(&enc_ctx, enc, enc, len); 633 EVP_CIPHER_CTX_cleanup(&enc_ctx); 634 635 /* Finally write header (from fragmented variables), IV and encrypted record */ 636 BIO_write(rbio, &type, 1); 637 BIO_write(rbio, ver, 2); 638 BIO_write(rbio, epoch, 2); 639 BIO_write(rbio, seq, 6); | 617 HMAC_Update(&ctx, lenbytes, 2); /* Length */ 618 HMAC_Update(&ctx, enc, len); /* Finally the data itself */ 619 HMAC_Final(&ctx, enc + len, NULL); 620 HMAC_CTX_cleanup(&ctx); 621 622 /* Append padding bytes */ 623 len += SHA_DIGEST_LENGTH; 624 do { --- 7 unchanged lines hidden (view full) --- 632 EVP_Cipher(&enc_ctx, enc, enc, len); 633 EVP_CIPHER_CTX_cleanup(&enc_ctx); 634 635 /* Finally write header (from fragmented variables), IV and encrypted record */ 636 BIO_write(rbio, &type, 1); 637 BIO_write(rbio, ver, 2); 638 BIO_write(rbio, epoch, 2); 639 BIO_write(rbio, seq, 6); |
| 640 lenbytes[0] = (len + sizeof(iv)) >> 8; 641 lenbytes[1] = (len + sizeof(iv)) & 0xff; | 640 lenbytes[0] = (unsigned char)((len + sizeof(iv)) >> 8); 641 lenbytes[1] = (unsigned char)(len + sizeof(iv)); |
| 642 BIO_write(rbio, lenbytes, 2); 643 644 BIO_write(rbio, iv, sizeof(iv)); 645 BIO_write(rbio, enc, len); 646 647 OPENSSL_free(enc); 648 return 1; 649} --- 277 unchanged lines hidden --- | 642 BIO_write(rbio, lenbytes, 2); 643 644 BIO_write(rbio, iv, sizeof(iv)); 645 BIO_write(rbio, enc, len); 646 647 OPENSSL_free(enc); 648 return 1; 649} --- 277 unchanged lines hidden --- |