| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/aes/aes_cfb.c |
| Source code | Switch to Preprocessed file |
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|---|---|---|
| 1 | /* $OpenBSD: aes_cfb.c,v 1.8 2014/06/12 15:49:27 deraadt Exp $ */ | - |
| 2 | /* ==================================================================== | - |
| 3 | * Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved. | - |
| 4 | * | - |
| 5 | * Redistribution and use in source and binary forms, with or without | - |
| 6 | * modification, are permitted provided that the following conditions | - |
| 7 | * are met: | - |
| 8 | * | - |
| 9 | * 1. Redistributions of source code must retain the above copyright | - |
| 10 | * notice, this list of conditions and the following disclaimer. | - |
| 11 | * | - |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | - |
| 13 | * notice, this list of conditions and the following disclaimer in | - |
| 14 | * the documentation and/or other materials provided with the | - |
| 15 | * distribution. | - |
| 16 | * | - |
| 17 | * 3. All advertising materials mentioning features or use of this | - |
| 18 | * software must display the following acknowledgment: | - |
| 19 | * "This product includes software developed by the OpenSSL Project | - |
| 20 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | - |
| 21 | * | - |
| 22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | - |
| 23 | * endorse or promote products derived from this software without | - |
| 24 | * prior written permission. For written permission, please contact | - |
| 25 | * openssl-core@openssl.org. | - |
| 26 | * | - |
| 27 | * 5. Products derived from this software may not be called "OpenSSL" | - |
| 28 | * nor may "OpenSSL" appear in their names without prior written | - |
| 29 | * permission of the OpenSSL Project. | - |
| 30 | * | - |
| 31 | * 6. Redistributions of any form whatsoever must retain the following | - |
| 32 | * acknowledgment: | - |
| 33 | * "This product includes software developed by the OpenSSL Project | - |
| 34 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | - |
| 35 | * | - |
| 36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | - |
| 37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | - |
| 38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | - |
| 39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | - |
| 40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | - |
| 41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | - |
| 42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | - |
| 43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | - |
| 44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | - |
| 45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | - |
| 46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | - |
| 47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | - |
| 48 | * ==================================================================== | - |
| 49 | * | - |
| 50 | */ | - |
| 51 | - | |
| 52 | #include <openssl/aes.h> | - |
| 53 | #include <openssl/modes.h> | - |
| 54 | - | |
| 55 | /* The input and output encrypted as though 128bit cfb mode is being | - |
| 56 | * used. The extra state information to record how much of the | - |
| 57 | * 128bit block we have used is contained in *num; | - |
| 58 | */ | - |
| 59 | - | |
| 60 | void | - |
| 61 | AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, size_t length, | - |
| 62 | const AES_KEY *key, unsigned char *ivec, int *num, const int enc) | - |
| 63 | { | - |
| 64 | CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc, | - |
| 65 | (block128_f)AES_encrypt); | - |
| 66 | } never executed: end of block | 0 |
| 67 | - | |
| 68 | /* N.B. This expects the input to be packed, MS bit first */ | - |
| 69 | void | - |
| 70 | AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, size_t length, | - |
| 71 | const AES_KEY *key, unsigned char *ivec, int *num, const int enc) | - |
| 72 | { | - |
| 73 | CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc, | - |
| 74 | (block128_f)AES_encrypt); | - |
| 75 | } never executed: end of block | 0 |
| 76 | - | |
| 77 | void | - |
| 78 | AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, size_t length, | - |
| 79 | const AES_KEY *key, unsigned char *ivec, int *num, const int enc) | - |
| 80 | { | - |
| 81 | CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc, | - |
| 82 | (block128_f)AES_encrypt); | - |
| 83 | } never executed: end of block | 0 |
| 84 | - | |
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