44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
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/*
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* Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/aes.h>
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#include <openssl/modes.h>
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/*
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* The input and output encrypted as though 128bit cfb mode is being used.
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* The extra state information to record how much of the 128bit block we have
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* used is contained in *num;
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*/
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void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const AES_KEY *key,
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unsigned char *ivec, int *num, const int enc)
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{
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CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
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(block128_f) AES_encrypt);
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}
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/* N.B. This expects the input to be packed, MS bit first */
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void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const AES_KEY *key,
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unsigned char *ivec, int *num, const int enc)
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{
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CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc,
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(block128_f) AES_encrypt);
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}
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void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const AES_KEY *key,
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unsigned char *ivec, int *num, const int enc)
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{
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CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc,
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(block128_f) AES_encrypt);
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}
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