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
|
/* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0"
*
* Written by Nir Drucker and Shay Gueron
* AWS Cryptographic Algorithms Group.
* (ndrucker@amazon.com, gueron@amazon.com)
*/
#pragma once
#include "cleanup.h"
#include "types.h"
#include "utilities.h"
#include <openssl/sha.h>
#define SHA384_HASH_SIZE 48ULL
#define SHA384_HASH_QWORDS (SHA384_HASH_SIZE / 8)
typedef struct sha384_hash_s
{
union {
uint8_t raw[SHA384_HASH_SIZE];
uint64_t qw[SHA384_HASH_QWORDS];
} u;
} sha384_hash_t;
bike_static_assert(sizeof(sha384_hash_t) == SHA384_HASH_SIZE, sha384_hash_size);
typedef sha384_hash_t sha_hash_t;
_INLINE_ void
sha_hash_cleanup(IN OUT sha_hash_t *o)
{
secure_clean(o->u.raw, sizeof(*o));
}
#define NUM_OF_BLOCKS_IN_MB 4ULL
#define SLICE_REM 111ULL
#define MAX_MB_SLICES 8ULL
#define HASH_BLOCK_SIZE 128ULL
_INLINE_ int
sha(OUT sha_hash_t *hash_out, IN const uint32_t byte_len, IN const uint8_t *msg)
{
SHA384(msg, byte_len, hash_out->u.raw);
return 1;
}
_INLINE_ void
sha_mb(OUT sha_hash_t *hash_out,
IN const uint8_t *msg,
IN const uint32_t byte_len,
IN const uint32_t num)
{
const uint32_t ls = (byte_len / NUM_OF_BLOCKS_IN_MB);
// Hash each block (X[i])
for(uint32_t i = 0; i < num; i++)
{
SHA384(&msg[i * ls], ls, hash_out[i].u.raw);
}
}
|
