blob: 860bc4769013704da1cbd65cb15fcd0f7b84bb01 (
plain)
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
|
#ifndef _IPXE_MD5_H
#define _IPXE_MD5_H
/** @file
*
* MD5 algorithm
*
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdint.h>
#include <ipxe/crypto.h>
/** An MD5 digest */
struct md5_digest {
/** Hash output */
uint32_t h[4];
};
/** An MD5 data block */
union md5_block {
/** Raw bytes */
uint8_t byte[64];
/** Raw dwords */
uint32_t dword[16];
/** Final block structure */
struct {
/** Padding */
uint8_t pad[56];
/** Length in bits */
uint64_t len;
} final;
};
/** MD5 digest and data block
*
* The order of fields within this structure is designed to minimise
* code size.
*/
struct md5_digest_data {
/** Digest of data already processed */
struct md5_digest digest;
/** Accumulated data */
union md5_block data;
} __attribute__ (( packed ));
/** MD5 digest and data block */
union md5_digest_data_dwords {
/** Digest and data block */
struct md5_digest_data dd;
/** Raw dwords */
uint32_t dword[ sizeof ( struct md5_digest_data ) /
sizeof ( uint32_t ) ];
};
/** An MD5 context */
struct md5_context {
/** Amount of accumulated data */
size_t len;
/** Digest and accumulated data */
union md5_digest_data_dwords ddd;
} __attribute__ (( packed ));
/** MD5 context size */
#define MD5_CTX_SIZE sizeof ( struct md5_context )
/** MD5 digest size */
#define MD5_DIGEST_SIZE sizeof ( struct md5_digest )
extern struct digest_algorithm md5_algorithm;
#endif /* _IPXE_MD5_H */
|
