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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/* This is a source compatible implementation with the original API of
* cryptodev by Angelos D. Keromytis, found at openbsd cryptodev.h.
* Placed under public domain */
#ifndef L_CRYPTODEV_H
#define L_CRYPTODEV_H
#ifndef __KERNEL__
#include <inttypes.h>
#define __user
#else
#endif
/* API extensions for linux */
#define CRYPTO_HMAC_MAX_KEY_LEN 512
#define CRYPTO_CIPHER_MAX_KEY_LEN 64
/* All the supported algorithms
*/
typedef enum {
CRYPTO_DES_CBC=1,
CRYPTO_3DES_CBC=2,
CRYPTO_BLF_CBC=3,
CRYPTO_CAST_CBC=4,
CRYPTO_SKIPJACK_CBC=5,
CRYPTO_MD5_HMAC=6,
CRYPTO_SHA1_HMAC=7,
CRYPTO_RIPEMD160_HMAC=8,
CRYPTO_MD5_KPDK=9,
CRYPTO_SHA1_KPDK=10,
CRYPTO_RIJNDAEL128_CBC=11,
CRYPTO_AES_CBC=CRYPTO_RIJNDAEL128_CBC,
CRYPTO_ARC4=12,
CRYPTO_MD5=13,
CRYPTO_SHA1=14,
CRYPTO_DEFLATE_COMP=15,
CRYPTO_NULL=16,
CRYPTO_LZS_COMP=17,
CRYPTO_SHA2_256_HMAC=18,
CRYPTO_SHA2_384_HMAC=19,
CRYPTO_SHA2_512_HMAC=20,
CRYPTO_AES_CTR=21,
CRYPTO_AES_XTS=22,
CRYPTO_CAMELLIA_CBC=101,
CRYPTO_RIPEMD160,
CRYPTO_SHA2_256,
CRYPTO_SHA2_384,
CRYPTO_SHA2_512,
CRYPTO_ALGORITHM_ALL, /* Keep updated - see below */
} cryptodev_crypto_op_t;
#define CRYPTO_ALGORITHM_MAX (CRYPTO_ALGORITHM_ALL - 1)
/* Values for ciphers */
#define DES_BLOCK_LEN 8
#define DES3_BLOCK_LEN 8
#define RIJNDAEL128_BLOCK_LEN 16
#define AES_BLOCK_LEN RIJNDAEL128_BLOCK_LEN
#define CAMELLIA_BLOCK_LEN
#define BLOWFISH_BLOCK_LEN 8
#define SKIPJACK_BLOCK_LEN 8
#define CAST128_BLOCK_LEN 8
/* the maximum of the above */
#define EALG_MAX_BLOCK_LEN 16
/* Values for hashes/MAC */
#define AALG_MAX_RESULT_LEN 64
/* input of CIOCGSESSION */
struct session_op {
/* Specify either cipher or mac
*/
uint32_t cipher; /* cryptodev_crypto_op_t */
uint32_t mac; /* cryptodev_crypto_op_t */
uint32_t keylen;
uint8_t __user *key;
uint32_t mackeylen;
uint8_t __user *mackey;
uint32_t ses; /* session identifier */
};
#define COP_ENCRYPT 0
#define COP_DECRYPT 1
/* input of CIOCCRYPT */
struct crypt_op {
uint32_t ses; /* session identifier */
uint16_t op; /* COP_ENCRYPT or COP_DECRYPT */
uint16_t flags; /* no usage so far, use 0 */
uint32_t len; /* length of source data */
uint8_t __user *src; /* source data */
uint8_t __user *dst; /* pointer to output data */
uint8_t __user *mac; /* pointer to output data for hash/MAC operations */
uint8_t __user *iv; /* initialization vector for encryption operations */
};
/* Stuff for bignum arithmetic and public key
* cryptography - not supported yet by linux
* cryptodev.
*/
#define CRYPTO_ALG_FLAG_SUPPORTED 1
#define CRYPTO_ALG_FLAG_RNG_ENABLE 2
#define CRYPTO_ALG_FLAG_DSA_SHA 4
struct crparam {
uint8_t* crp_p;
uint32_t crp_nbits;
};
#define CRK_MAXPARAM 8
/* input of CIOCKEY */
struct crypt_kop {
uint32_t crk_op; /* cryptodev_crk_ot_t */
uint32_t crk_status;
uint16_t crk_iparams;
uint16_t crk_oparams;
uint32_t crk_pad1;
struct crparam crk_param[CRK_MAXPARAM];
};
typedef enum {
CRK_MOD_EXP=0,
CRK_MOD_EXP_CRT=1,
CRK_DSA_SIGN=2,
CRK_DSA_VERIFY=3,
CRK_DH_COMPUTE_KEY=4,
CRK_ALGORITHM_ALL
} cryptodev_crk_op_t;
#define CRK_ALGORITHM_MAX CRK_ALGORITHM_ALL-1
/* features to be queried with CIOCASYMFEAT ioctl
*/
#define CRF_MOD_EXP (1 << CRK_MOD_EXP)
#define CRF_MOD_EXP_CRT (1 << CRK_MOD_EXP_CRT)
#define CRF_DSA_SIGN (1 << CRK_DSA_SIGN)
#define CRF_DSA_VERIFY (1 << CRK_DSA_VERIFY)
#define CRF_DH_COMPUTE_KEY (1 << CRK_DH_COMPUTE_KEY)
/* ioctl's. Compatible with old linux cryptodev.h
*/
#define CRIOGET _IOWR('c', 101, uint32_t)
#define CIOCGSESSION _IOWR('c', 102, struct session_op)
#define CIOCFSESSION _IOW('c', 103, uint32_t)
#define CIOCCRYPT _IOWR('c', 104, struct crypt_op)
#define CIOCKEY _IOWR('c', 105, struct crypt_kop)
#define CIOCASYMFEAT _IOR('c', 106, uint32_t)
#endif /* L_CRYPTODEV_H */
|
