Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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146 lines
6.0 KiB
146 lines
6.0 KiB
/* ==================================================================== |
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* Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== */ |
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#ifndef OPENSSL_HEADER_AES_H |
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#define OPENSSL_HEADER_AES_H |
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#include <openssl/base.h> |
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#if defined(__cplusplus) |
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extern "C" { |
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#endif |
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/* Raw AES functions. */ |
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#define AES_ENCRYPT 1 |
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#define AES_DECRYPT 0 |
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/* AES_MAXNR is the maximum number of AES rounds. */ |
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#define AES_MAXNR 14 |
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#define AES_BLOCK_SIZE 16 |
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/* aes_key_st should be an opaque type, but EVP requires that the size be |
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* known. */ |
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struct aes_key_st { |
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uint32_t rd_key[4 * (AES_MAXNR + 1)]; |
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unsigned rounds; |
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}; |
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typedef struct aes_key_st AES_KEY; |
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/* AES_set_encrypt_key configures |aeskey| to encrypt with the |bits|-bit key, |
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* |key|. |
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* |
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* WARNING: unlike other OpenSSL functions, this returns zero on success and a |
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* negative number on error. */ |
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OPENSSL_EXPORT int AES_set_encrypt_key(const uint8_t *key, unsigned bits, |
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AES_KEY *aeskey); |
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/* AES_set_decrypt_key configures |aeskey| to decrypt with the |bits|-bit key, |
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* |key|. |
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* |
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* WARNING: unlike other OpenSSL functions, this returns zero on success and a |
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* negative number on error. */ |
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OPENSSL_EXPORT int AES_set_decrypt_key(const uint8_t *key, unsigned bits, |
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AES_KEY *aeskey); |
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/* AES_encrypt encrypts a single block from |in| to |out| with |key|. The |in| |
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* and |out| pointers may overlap. */ |
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OPENSSL_EXPORT void AES_encrypt(const uint8_t *in, uint8_t *out, |
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const AES_KEY *key); |
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/* AES_decrypt decrypts a single block from |in| to |out| with |key|. The |in| |
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* and |out| pointers may overlap. */ |
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OPENSSL_EXPORT void AES_decrypt(const uint8_t *in, uint8_t *out, |
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const AES_KEY *key); |
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/* Block cipher modes. */ |
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/* AES_ctr128_encrypt encrypts (or decrypts, it's the same in CTR mode) |len| |
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* bytes from |in| to |out|. The |num| parameter must be set to zero on the |
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* first call and |ivec| will be incremented. */ |
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OPENSSL_EXPORT void AES_ctr128_encrypt(const uint8_t *in, uint8_t *out, |
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size_t len, const AES_KEY *key, |
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uint8_t ivec[AES_BLOCK_SIZE], |
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uint8_t ecount_buf[AES_BLOCK_SIZE], |
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unsigned int *num); |
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/* AES_ecb_encrypt encrypts (or decrypts, if |enc| == |AES_DECRYPT|) a single, |
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* 16 byte block from |in| to |out|. */ |
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OPENSSL_EXPORT void AES_ecb_encrypt(const uint8_t *in, uint8_t *out, |
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const AES_KEY *key, const int enc); |
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/* AES_cbc_encrypt encrypts (or decrypts, if |enc| == |AES_DECRYPT|) |len| |
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* bytes from |in| to |out|. The length must be a multiple of the block size. */ |
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OPENSSL_EXPORT void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len, |
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const AES_KEY *key, uint8_t *ivec, |
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const int enc); |
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/* AES_ofb128_encrypt encrypts (or decrypts, it's the same in CTR mode) |len| |
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* bytes from |in| to |out|. The |num| parameter must be set to zero on the |
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* first call. */ |
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OPENSSL_EXPORT void AES_ofb128_encrypt(const uint8_t *in, uint8_t *out, |
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size_t len, const AES_KEY *key, |
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uint8_t *ivec, int *num); |
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/* AES_cfb128_encrypt encrypts (or decrypts, if |enc| == |AES_DECRYPT|) |len| |
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* bytes from |in| to |out|. The |num| parameter must be set to zero on the |
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* first call. */ |
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OPENSSL_EXPORT void AES_cfb128_encrypt(const uint8_t *in, uint8_t *out, |
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size_t len, const AES_KEY *key, |
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uint8_t *ivec, int *num, int enc); |
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#if defined(__cplusplus) |
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} /* extern C */ |
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#endif |
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#endif /* OPENSSL_HEADER_AES_H */
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