projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 1f9c9280 AS |
2 | /* |
| 3 | * Header file for SHA hardware acceleration | |
| 4 | * | |
| 5 | * Copyright (c) 2012 Samsung Electronics | |
| 1f9c9280 AS |
6 | */ |
| 7 | #ifndef __HW_SHA_H | |
| 8 | #define __HW_SHA_H | |
| 94e3c8c4 | 9 | #include <hash.h> |
| 1f9c9280 AS |
10 | |
| 11 | /** | |
| 12 | * Computes hash value of input pbuf using h/w acceleration | |
| 13 | * | |
| 14 | * @param in_addr A pointer to the input buffer | |
| 15 | * @param bufleni Byte length of input buffer | |
| 16 | * @param out_addr A pointer to the output buffer. When complete | |
| 17 | * 32 bytes are copied to pout[0]...pout[31]. Thus, a user | |
| 18 | * should allocate at least 32 bytes at pOut in advance. | |
| 19 | * @param chunk_size chunk size for sha256 | |
| 20 | */ | |
| 21 | void hw_sha256(const uchar * in_addr, uint buflen, | |
| 22 | uchar * out_addr, uint chunk_size); | |
| 23 | ||
| 24 | /** | |
| 25 | * Computes hash value of input pbuf using h/w acceleration | |
| 26 | * | |
| 27 | * @param in_addr A pointer to the input buffer | |
| 28 | * @param bufleni Byte length of input buffer | |
| 29 | * @param out_addr A pointer to the output buffer. When complete | |
| 30 | * 32 bytes are copied to pout[0]...pout[31]. Thus, a user | |
| 31 | * should allocate at least 32 bytes at pOut in advance. | |
| 32 | * @param chunk_size chunk_size for sha1 | |
| 33 | */ | |
| 34 | void hw_sha1(const uchar * in_addr, uint buflen, | |
| 35 | uchar * out_addr, uint chunk_size); | |
| 94e3c8c4 | 36 | |
| 37 | /* | |
| 38 | * Create the context for sha progressive hashing using h/w acceleration | |
| 39 | * | |
| 40 | * @algo: Pointer to the hash_algo struct | |
| 41 | * @ctxp: Pointer to the pointer of the context for hashing | |
| 42 | * @return 0 if ok, -ve on error | |
| 43 | */ | |
| 44 | int hw_sha_init(struct hash_algo *algo, void **ctxp); | |
| 45 | ||
| 46 | /* | |
| 47 | * Update buffer for sha progressive hashing using h/w acceleration | |
| 48 | * | |
| 49 | * The context is freed by this function if an error occurs. | |
| 50 | * | |
| 51 | * @algo: Pointer to the hash_algo struct | |
| 52 | * @ctx: Pointer to the context for hashing | |
| 53 | * @buf: Pointer to the buffer being hashed | |
| 54 | * @size: Size of the buffer being hashed | |
| 55 | * @is_last: 1 if this is the last update; 0 otherwise | |
| 56 | * @return 0 if ok, -ve on error | |
| 57 | */ | |
| 58 | int hw_sha_update(struct hash_algo *algo, void *ctx, const void *buf, | |
| 59 | unsigned int size, int is_last); | |
| 60 | ||
| 61 | /* | |
| 62 | * Copy sha hash result at destination location | |
| 63 | * | |
| 64 | * The context is freed after completion of hash operation or after an error. | |
| 65 | * | |
| 66 | * @algo: Pointer to the hash_algo struct | |
| 67 | * @ctx: Pointer to the context for hashing | |
| 68 | * @dest_buf: Pointer to the destination buffer where hash is to be copied | |
| 69 | * @size: Size of the buffer being hashed | |
| 70 | * @return 0 if ok, -ve on error | |
| 71 | */ | |
| 72 | int hw_sha_finish(struct hash_algo *algo, void *ctx, void *dest_buf, | |
| 73 | int size); | |
| 74 | ||
| 1f9c9280 | 75 | #endif |