/* * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef HEADER_AES_H # define HEADER_AES_H # include # include # ifdef __cplusplus extern "C" { # endif # define AES_ENCRYPT 1 # define AES_DECRYPT 0 /* * Because array size can't be a const in C, the following two are macros. * Both sizes are in bytes. */ # define AES_MAXNR 14 # define AES_BLOCK_SIZE 16 /* This should be a hidden type, but EVP requires that the size be known */ struct aes_key_st { # ifdef AES_LONG unsigned long rd_key[4 * (AES_MAXNR + 1)]; # else unsigned int rd_key[4 * (AES_MAXNR + 1)]; # endif int rounds; }; typedef struct aes_key_st AES_KEY; const char *AES_options(void); int AES_set_encrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key); int AES_set_decrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key); void AES_encrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key); void AES_decrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key); void AES_ecb_encrypt(const unsigned char *in, unsigned char *out, const AES_KEY *key, const int enc); void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t length, const AES_KEY *key, unsigned char *ivec, const int enc); 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); 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); 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); void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, size_t length, const AES_KEY *key, unsigned char *ivec, int *num); /* NB: the IV is _two_ blocks long */ void AES_ige_encrypt(const unsigned char *in, unsigned char *out, size_t length, const AES_KEY *key, unsigned char *ivec, const int enc); /* NB: the IV is _four_ blocks long */ void AES_bi_ige_encrypt(const unsigned char *in, unsigned char *out, size_t length, const AES_KEY *key, const AES_KEY *key2, const unsigned char *ivec, const int enc); int AES_wrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out, const unsigned char *in, unsigned int inlen); int AES_unwrap_key(AES_KEY *key, const unsigned char *iv, unsigned char *out, const unsigned char *in, unsigned int inlen); # ifdef __cplusplus } # endif #endif