| /* Copyright (c) 2010-2011, Code Aurora Forum. 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 Code Aurora Forum, Inc. 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 "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * 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. |
| */ |
| |
| #ifndef __CRYPTO_HASH_H__ |
| #define __CRYPYO_HASH_H__ |
| |
| #ifndef NULL |
| #define NULL 0 |
| #endif |
| |
| #define TRUE 1 |
| #define FALSE 0 |
| |
| #define SHA256_INIT_VECTOR_SIZE 8 |
| #define SHA1_INIT_VECTOR_SIZE 5 |
| |
| #define CRYPTO_SHA_BLOCK_SIZE 64 |
| #define CRYPTO_MAX_AUTH_BLOCK_SIZE 0xFA00 |
| |
| typedef enum { |
| CRYPTO_SHA_ERR_NONE, |
| CRYPTO_SHA_ERR_BUSY, |
| CRYPTO_SHA_ERR_FAIL, |
| CRYPTO_SHA_ERR_INVALID_PARAM, |
| }crypto_result_type; |
| |
| typedef enum { |
| CRYPTO_AUTH_ALG_SHA1=1, |
| CRYPTO_AUTH_ALG_SHA256 |
| }crypto_auth_alg_type; |
| |
| typedef struct { |
| unsigned int auth_bytecnt[2]; |
| unsigned char saved_buff[64]; |
| unsigned char saved_buff_indx; |
| unsigned int auth_iv[5]; |
| unsigned char flags; |
| }crypto_SHA1_ctx; |
| |
| typedef struct { |
| unsigned int auth_bytecnt[2]; |
| unsigned char saved_buff[64]; |
| unsigned char saved_buff_indx; |
| unsigned int auth_iv[8]; |
| unsigned char flags; |
| }crypto_SHA256_ctx; |
| |
| extern void crypto_eng_reset(void); |
| |
| extern void crypto_eng_init(void); |
| |
| extern void crypto_set_sha_ctx(void *ctx_ptr, |
| unsigned int bytes_to_write, |
| crypto_auth_alg_type auth_alg, |
| bool first, bool last); |
| |
| extern void crypto_send_data(void *ctx_ptr, |
| unsigned char *data_ptr, unsigned int buff_size, |
| unsigned int bytes_to_write, |
| unsigned int *ret_status); |
| |
| extern void crypto_get_digest(unsigned char *digest_ptr, |
| unsigned int *ret_status, |
| crypto_auth_alg_type auth_alg,bool last); |
| |
| extern void crypto_get_ctx(void *ctx_ptr); |
| |
| static void crypto_init(void); |
| |
| static crypto_result_type do_sha(unsigned char *buff_ptr, |
| unsigned int buff_size, |
| unsigned char *digest_ptr, |
| crypto_auth_alg_type auth_alg); |
| |
| static crypto_result_type do_sha_update(void *ctx_ptr, |
| unsigned char *buff_ptr, |
| unsigned int buff_size, |
| crypto_auth_alg_type auth_alg, |
| bool first, bool last); |
| |
| static unsigned int calc_num_bytes_to_send(void *ctx_ptr, |
| unsigned int buff_size, bool last); |
| |
| static crypto_result_type crypto_sha256(unsigned char *buff_ptr, |
| unsigned int buff_size, |
| unsigned char *digest_ptr); |
| |
| static crypto_result_type crypto_sha1(unsigned char *buff_ptr, |
| unsigned int buff_size, |
| unsigned char *digest_ptr); |
| #endif |