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Diffstat (limited to 'openssl/crypto/aes/aes.h')
| -rw-r--r-- | openssl/crypto/aes/aes.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/openssl/crypto/aes/aes.h b/openssl/crypto/aes/aes.h new file mode 100644 index 000000000..450f2b405 --- /dev/null +++ b/openssl/crypto/aes/aes.h @@ -0,0 +1,148 @@ +/* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */ +/* ==================================================================== + * Copyright (c) 1998-2002 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. + * ==================================================================== + * + */ + +#ifndef HEADER_AES_H +#define HEADER_AES_H + +#include <openssl/opensslconf.h> + +#ifdef OPENSSL_NO_AES +#error AES is disabled. +#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 + +#ifdef OPENSSL_FIPS +#define FIPS_AES_SIZE_T int +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* 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, + const unsigned long length, const AES_KEY *key, + unsigned char *ivec, const int enc); +void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out, + const unsigned long length, const AES_KEY *key, + unsigned char *ivec, int *num, const int enc); +void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out, + const unsigned long length, const AES_KEY *key, + unsigned char *ivec, int *num, const int enc); +void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out, + const unsigned long length, const AES_KEY *key, + unsigned char *ivec, int *num, const int enc); +void AES_cfbr_encrypt_block(const unsigned char *in,unsigned char *out, + const int nbits,const AES_KEY *key, + unsigned char *ivec,const int enc); +void AES_ofb128_encrypt(const unsigned char *in, unsigned char *out, + const unsigned long length, const AES_KEY *key, + unsigned char *ivec, int *num); +void AES_ctr128_encrypt(const unsigned char *in, unsigned char *out, + const unsigned long length, const AES_KEY *key, + unsigned char ivec[AES_BLOCK_SIZE], + unsigned char ecount_buf[AES_BLOCK_SIZE], + unsigned int *num); + +/* For IGE, see also http://www.links.org/files/openssl-ige.pdf */ +/* NB: the IV is _two_ blocks long */ +void AES_ige_encrypt(const unsigned char *in, unsigned char *out, + const unsigned long 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, + const unsigned long 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 /* !HEADER_AES_H */ |