-
Notifications
You must be signed in to change notification settings - Fork 0
/
hw_sha.h
101 lines (93 loc) · 3.3 KB
/
hw_sha.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Header file for SHA hardware acceleration
*
* Copyright (c) 2012 Samsung Electronics
*/
#ifndef __HW_SHA_H
#define __HW_SHA_H
#include "hash.h"
/**
* Computes hash value of input pbuf using h/w acceleration
*
* @param in_addr A pointer to the input buffer
* @param bufleni Byte length of input buffer
* @param out_addr A pointer to the output buffer. When complete
* 64 bytes are copied to pout[0]...pout[63]. Thus, a user
* should allocate at least 64 bytes at pOut in advance.
* @param chunk_size chunk size for sha512
*/
void hw_sha512(const uchar * in_addr, uint buflen,
uchar * out_addr, uint chunk_size);
/**
* Computes hash value of input pbuf using h/w acceleration
*
* @param in_addr A pointer to the input buffer
* @param bufleni Byte length of input buffer
* @param out_addr A pointer to the output buffer. When complete
* 48 bytes are copied to pout[0]...pout[47]. Thus, a user
* should allocate at least 48 bytes at pOut in advance.
* @param chunk_size chunk size for sha384
*/
void hw_sha384(const uchar * in_addr, uint buflen,
uchar * out_addr, uint chunk_size);
/**
* Computes hash value of input pbuf using h/w acceleration
*
* @param in_addr A pointer to the input buffer
* @param bufleni Byte length of input buffer
* @param out_addr A pointer to the output buffer. When complete
* 32 bytes are copied to pout[0]...pout[31]. Thus, a user
* should allocate at least 32 bytes at pOut in advance.
* @param chunk_size chunk size for sha256
*/
void hw_sha256(const uchar * in_addr, uint buflen,
uchar * out_addr, uint chunk_size);
/**
* Computes hash value of input pbuf using h/w acceleration
*
* @param in_addr A pointer to the input buffer
* @param bufleni Byte length of input buffer
* @param out_addr A pointer to the output buffer. When complete
* 32 bytes are copied to pout[0]...pout[31]. Thus, a user
* should allocate at least 32 bytes at pOut in advance.
* @param chunk_size chunk_size for sha1
*/
void hw_sha1(const uchar * in_addr, uint buflen,
uchar * out_addr, uint chunk_size);
/*
* Create the context for sha progressive hashing using h/w acceleration
*
* @algo: Pointer to the hash_algo struct
* @ctxp: Pointer to the pointer of the context for hashing
* @return 0 if ok, -ve on error
*/
int hw_sha_init(struct hash_algo *algo, void **ctxp);
/*
* Update buffer for sha progressive hashing using h/w acceleration
*
* The context is freed by this function if an error occurs.
*
* @algo: Pointer to the hash_algo struct
* @ctx: Pointer to the context for hashing
* @buf: Pointer to the buffer being hashed
* @size: Size of the buffer being hashed
* @is_last: 1 if this is the last update; 0 otherwise
* @return 0 if ok, -ve on error
*/
int hw_sha_update(struct hash_algo *algo, void *ctx, const void *buf,
unsigned int size, int is_last);
/*
* Copy sha hash result at destination location
*
* The context is freed after completion of hash operation or after an error.
*
* @algo: Pointer to the hash_algo struct
* @ctx: Pointer to the context for hashing
* @dest_buf: Pointer to the destination buffer where hash is to be copied
* @size: Size of the buffer being hashed
* @return 0 if ok, -ve on error
*/
int hw_sha_finish(struct hash_algo *algo, void *ctx, void *dest_buf,
int size);
#endif