diff options
author | Uros Majstorovic <majstor@majstor.org> | 2022-02-02 06:25:38 +0100 |
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committer | Uros Majstorovic <majstor@majstor.org> | 2022-02-02 06:25:38 +0100 |
commit | 378d4ce7552df580e3ddd89c2faa9f8c5086d646 (patch) | |
tree | 36fe323de93de5d6b8fb27827fc57984c5b15f6d /ext/libressl/crypto/aes/aes_cfb.c | |
parent | 9d775a05562d6166a5142d9820ffa7c26de55d6c (diff) |
renamed crypto -> ext
Diffstat (limited to 'ext/libressl/crypto/aes/aes_cfb.c')
-rw-r--r-- | ext/libressl/crypto/aes/aes_cfb.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/ext/libressl/crypto/aes/aes_cfb.c b/ext/libressl/crypto/aes/aes_cfb.c new file mode 100644 index 0000000..a6384f9 --- /dev/null +++ b/ext/libressl/crypto/aes/aes_cfb.c @@ -0,0 +1,84 @@ +/* $OpenBSD: aes_cfb.c,v 1.8 2014/06/12 15:49:27 deraadt Exp $ */ +/* ==================================================================== + * Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + */ + +#include <openssl/aes.h> +#include <openssl/modes.h> + +/* The input and output encrypted as though 128bit cfb mode is being + * used. The extra state information to record how much of the + * 128bit block we have used is contained in *num; + */ + +void +AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, size_t length, + const AES_KEY *key, unsigned char *ivec, int *num, const int enc) +{ + CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc, + (block128_f)AES_encrypt); +} + +/* N.B. This expects the input to be packed, MS bit first */ +void +AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, size_t length, + const AES_KEY *key, unsigned char *ivec, int *num, const int enc) +{ + CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc, + (block128_f)AES_encrypt); +} + +void +AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, size_t length, + const AES_KEY *key, unsigned char *ivec, int *num, const int enc) +{ + CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc, + (block128_f)AES_encrypt); +} + |