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92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/*
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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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#ifndef HEADER_AES_H
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# define HEADER_AES_H
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# include <openssl/opensslconf.h>
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# include <stddef.h>
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# ifdef __cplusplus
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extern "C" {
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# endif
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# define AES_ENCRYPT 1
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# define AES_DECRYPT 0
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/*
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* Because array size can't be a const in C, the following two are macros.
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* Both sizes are in bytes.
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*/
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# define AES_MAXNR 14
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# define AES_BLOCK_SIZE 16
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/* This should be a hidden type, but EVP requires that the size be known */
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struct aes_key_st {
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# ifdef AES_LONG
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unsigned long rd_key[4 * (AES_MAXNR + 1)];
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# else
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unsigned int rd_key[4 * (AES_MAXNR + 1)];
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# endif
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int rounds;
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};
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typedef struct aes_key_st AES_KEY;
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const char *AES_options(void);
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int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
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AES_KEY *key);
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int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
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AES_KEY *key);
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void AES_encrypt(const unsigned char *in, unsigned char *out,
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const AES_KEY *key);
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void AES_decrypt(const unsigned char *in, unsigned char *out,
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const AES_KEY *key);
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void AES_ecb_encrypt(const unsigned char *in, unsigned char *out,
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const AES_KEY *key, const int enc);
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void AES_cbc_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, const int enc);
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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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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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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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void AES_ofb128_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);
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/* NB: the IV is _two_ blocks long */
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void AES_ige_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, const int enc);
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/* NB: the IV is _four_ blocks long */
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void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out,
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size_t length, const AES_KEY *key,
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const AES_KEY *key2, const unsigned char *ivec,
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const int enc);
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int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
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unsigned char *out,
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const unsigned char *in, unsigned int inlen);
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int AES_unwrap_key(AES_KEY *key, const unsigned char *iv,
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unsigned char *out,
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const unsigned char *in, unsigned int inlen);
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# ifdef __cplusplus
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}
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# endif
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#endif
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