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Diffstat (limited to 'src/crypto/isa-l/isa-l_crypto/include/aes_cbc.h')
| -rw-r--r-- | src/crypto/isa-l/isa-l_crypto/include/aes_cbc.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/include/aes_cbc.h b/src/crypto/isa-l/isa-l_crypto/include/aes_cbc.h new file mode 100644 index 000000000..aaf87ada1 --- /dev/null +++ b/src/crypto/isa-l/isa-l_crypto/include/aes_cbc.h @@ -0,0 +1,165 @@ +/********************************************************************** + Copyright(c) 2011-2016 Intel Corporation All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * 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. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS 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 COPYRIGHT + OWNER OR 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. +**********************************************************************/ + +/** + * @file aes_cbc.h + * @brief AES CBC encryption/decryption function prototypes. + * + */ +#ifndef _AES_CBC_h +#define _AES_CBC_h + +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { + +#endif + +typedef enum cbc_key_size { CBC_128_BITS = 16, CBC_192_BITS = 24, CBC_256_BITS = 32} cbc_key_size; +#define CBC_ROUND_KEY_LEN (16) +#define CBC_128_KEY_ROUNDS (10+1) /*expanded key holds 10 key rounds plus original key*/ +#define CBC_192_KEY_ROUNDS (12+1) /*expanded key holds 12 key rounds plus original key*/ +#define CBC_256_KEY_ROUNDS (14+1) /*expanded key holds 14 key rounds plus original key*/ +#define CBC_MAX_KEYS_SIZE (CBC_ROUND_KEY_LEN * CBC_256_KEY_ROUNDS) + +#define CBC_IV_DATA_LEN (16) + +/** @brief holds intermediate key data used in encryption/decryption + * + */ +struct cbc_key_data { // must be 16 byte aligned + uint8_t enc_keys[CBC_MAX_KEYS_SIZE]; + uint8_t dec_keys[CBC_MAX_KEYS_SIZE]; +}; + +/** @brief CBC-AES key pre-computation done once for a key + * + * @requires SSE4.1 and AESNI + * + * arg 1: in: pointer to key + * arg 2: OUT: pointer to a key expanded data + */ +int aes_cbc_precomp( + uint8_t *key, + int key_size, + struct cbc_key_data *keys_blk +); + +/** @brief CBC-AES 128 bit key Decryption + * + * @requires SSE4.1 and AESNI + * + * arg 1: in: pointer to input (cipher text) + * arg 2: IV: pointer to IV, Must be 16 bytes aligned to a 16 byte boundary + * arg 3: keys: pointer to keys, Must be on a 16 byte boundary and length of key size * key rounds + * arg 4: OUT: pointer to output (plain text ... in-place allowed) + * arg 5: len_bytes: length in bytes (multiple of 16) + */ +void aes_cbc_dec_128( + void *in, //!< Input cipher text + uint8_t *IV, //!< Must be 16 bytes aligned to a 16 byte boundary + uint8_t *keys, //!< Must be on a 16 byte boundary and length of key size * key rounds or dec_keys of cbc_key_data + void *out, //!< Output plain text + uint64_t len_bytes //!< Must be a multiple of 16 bytes + ); + +/** @brief CBC-AES 192 bit key Decryption + * +* @requires SSE4.1 and AESNI +* +*/ +void aes_cbc_dec_192( + void *in, //!< Input cipher text + uint8_t *IV, //!< Must be 16 bytes aligned to a 16 byte boundary + uint8_t *keys, //!< Must be on a 16 byte boundary and length of key size * key rounds or dec_keys of cbc_key_data + void *out, //!< Output plain text + uint64_t len_bytes //!< Must be a multiple of 16 bytes + ); + +/** @brief CBC-AES 256 bit key Decryption + * +* @requires SSE4.1 and AESNI +* +*/ +void aes_cbc_dec_256( + void *in, //!< Input cipher text + uint8_t *IV, //!< Must be 16 bytes aligned to a 16 byte boundary + uint8_t *keys, //!< Must be on a 16 byte boundary and length of key size * key rounds or dec_keys of cbc_key_data + void *out, //!< Output plain text + uint64_t len_bytes //!< Must be a multiple of 16 bytes + ); + +/** @brief CBC-AES 128 bit key Encryption + * + * @requires SSE4.1 and AESNI + * + * arg 1: in: pointer to input (plain text) + * arg 2: IV: pointer to IV, Must be 16 bytes aligned to a 16 byte boundary + * arg 3: keys: pointer to keys, Must be on a 16 byte boundary and length of key size * key rounds + * arg 4: OUT: pointer to output (cipher text ... in-place allowed) + * arg 5: len_bytes: length in bytes (multiple of 16) + */ +int aes_cbc_enc_128( + void *in, //!< Input plain text + uint8_t *IV, //!< Must be 16 bytes aligned to a 16 byte boundary + uint8_t *keys, //!< Must be on a 16 byte boundary and length of key size * key rounds or enc_keys of cbc_key_data + void *out, //!< Output cipher text + uint64_t len_bytes //!< Must be a multiple of 16 bytes + ); +/** @brief CBC-AES 192 bit key Encryption + * +* @requires SSE4.1 and AESNI +* +*/ +int aes_cbc_enc_192( + void *in, //!< Input plain text + uint8_t *IV, //!< Must be 16 bytes aligned to a 16 byte boundary + uint8_t *keys, //!< Must be on a 16 byte boundary and length of key size * key rounds or enc_keys of cbc_key_data + void *out, //!< Output cipher text + uint64_t len_bytes //!< Must be a multiple of 16 bytes + ); + +/** @brief CBC-AES 256 bit key Encryption + * +* @requires SSE4.1 and AESNI +* +*/ +int aes_cbc_enc_256( + void *in, //!< Input plain text + uint8_t *IV, //!< Must be 16 bytes aligned to a 16 byte boundary + uint8_t *keys, //!< Must be on a 16 byte boundary and length of key size * key rounds or enc_keys of cbc_key_data + void *out, //!< Output cipher text + uint64_t len_bytes //!< Must be a multiple of 16 bytes + ); + +#ifdef __cplusplus +} +#endif //__cplusplus +#endif //ifndef _AES_CBC_h |