diff options
Diffstat (limited to 'thirdparty/openssl/crypto/aes/aes_cfb.c')
| -rw-r--r-- | thirdparty/openssl/crypto/aes/aes_cfb.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/aes/aes_cfb.c b/thirdparty/openssl/crypto/aes/aes_cfb.c new file mode 100644 index 0000000000..1225000963 --- /dev/null +++ b/thirdparty/openssl/crypto/aes/aes_cfb.c @@ -0,0 +1,85 @@ +/* crypto/aes/aes_cfb.c */ +/* ==================================================================== + * 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); +} |