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hw_zencod.h
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1 /* File : /crypto/engine/vendor_defns/hw_zencod.h */
2 /* ====================================================================
3  * Written by Donnat Frederic ([email protected]) from ZENCOD
4  * for "zencod" ENGINE integration in OpenSSL project.
5  */
6 
7 
8  #ifndef _HW_ZENCOD_H_
9 #define _HW_ZENCOD_H_
10 
11 #include <stdio.h>
12 
13 #ifdef __cplusplus
14 extern "C" {
15 #endif /* __cplusplus */
16 
17 #define ZENBRIDGE_MAX_KEYSIZE_RSA 2048
18 #define ZENBRIDGE_MAX_KEYSIZE_RSA_CRT 1024
19 #define ZENBRIDGE_MAX_KEYSIZE_DSA_SIGN 1024
20 #define ZENBRIDGE_MAX_KEYSIZE_DSA_VRFY 1024
21 
22 /* Library version computation */
23 #define ZENBRIDGE_VERSION_MAJOR(x) (((x) >> 16) | 0xff)
24 #define ZENBRIDGE_VERSION_MINOR(x) (((x) >> 8) | 0xff)
25 #define ZENBRIDGE_VERSION_PATCH(x) (((x) >> 0) | 0xff)
26 #define ZENBRIDGE_VERSION(x, y, z) ((x) << 16 | (y) << 8 | (z))
27 
28 /*
29  * Memory type
30  */
31 typedef struct zencod_number_s {
32  unsigned long len;
33  unsigned char *data;
34 } zen_nb_t;
35 
36 #define KEY zen_nb_t
37 
38 
39 /*
40  * Misc
41  */
42 typedef int t_zencod_lib_version (void);
43 typedef int t_zencod_hw_version (void);
44 typedef int t_zencod_test (void);
45 typedef int t_zencod_dump_key (FILE *stream, char *msg, KEY *key);
46 
47 
48 /*
49  * Key management tools
50  */
51 typedef KEY *t_zencod_new_number (unsigned long len, unsigned char *data);
52 typedef int t_zencod_init_number (KEY *n, unsigned long len, unsigned char *data);
53 typedef unsigned long t_zencod_bytes2bits (unsigned char *n, unsigned long bytes);
54 typedef unsigned long t_zencod_bits2bytes (unsigned long bits);
55 
56 
57 /*
58  * RSA API
59  */
60 /* Compute modular exponential : y = x**e | n */
61 typedef int t_zencod_rsa_mod_exp (KEY *y, KEY *x, KEY *n, KEY *e);
62 /* Compute modular exponential : y1 = (x | p)**edp | p, y2 = (x | p)**edp | p, y = y2 + (qinv * (y1 - y2) | p) * q */
63 typedef int t_zencod_rsa_mod_exp_crt (KEY *y, KEY *x, KEY *p, KEY *q,
64  KEY *edp, KEY *edq, KEY *qinv);
65 
66 
67 /*
68  * DSA API
69  */
70 typedef int t_zencod_dsa_do_sign (unsigned int hash, KEY *data, KEY *random,
71  KEY *p, KEY *q, KEY *g, KEY *x, KEY *r, KEY *s);
72 typedef int t_zencod_dsa_do_verify (unsigned int hash, KEY *data,
73  KEY *p, KEY *q, KEY *g, KEY *y,
74  KEY *r, KEY *s, KEY *v);
75 
76 
77 /*
78  * DH API
79  */
80  /* Key generation : compute public value y = g**x | n */
81 typedef int t_zencod_dh_generate_key (KEY *y, KEY *x, KEY *g, KEY *n, int gen_x);
82 typedef int t_zencod_dh_compute_key (KEY *k, KEY *y, KEY *x, KEY *n);
83 
84 
85 /*
86  * RNG API
87  */
88 #define ZENBRIDGE_RNG_DIRECT 0
89 #define ZENBRIDGE_RNG_SHA1 1
90 typedef int t_zencod_rand_bytes (KEY *rand, unsigned int flags);
91 
92 
93 /*
94  * Math API
95  */
96 typedef int t_zencod_math_mod_exp (KEY *r, KEY *a, KEY *e, KEY *n);
97 
98 
99 
100 
101 /*
102  * Symetric API
103  */
104 /* Define a data structure for digests operations */
105 typedef struct ZEN_data_st
106 {
107  unsigned int HashBufferSize ;
108  unsigned char *HashBuffer ;
109 } ZEN_MD_DATA ;
110 
111 /*
112  * Functions for Digest (MD5, SHA1) stuff
113  */
114 /* output : output data buffer */
115 /* input : input data buffer */
116 /* algo : hash algorithm, MD5 or SHA1 */
117 /* typedef int t_zencod_hash ( KEY *output, const KEY *input, int algo ) ;
118  * typedef int t_zencod_sha_hash ( KEY *output, const KEY *input, int algo ) ;
119  */
120 /* For now separate this stuff that mad it easier to test */
121 typedef int t_zencod_md5_init ( ZEN_MD_DATA *data ) ;
122 typedef int t_zencod_md5_update ( ZEN_MD_DATA *data, const KEY *input ) ;
123 typedef int t_zencod_md5_do_final ( ZEN_MD_DATA *data, KEY *output ) ;
124 
125 typedef int t_zencod_sha1_init ( ZEN_MD_DATA *data ) ;
126 typedef int t_zencod_sha1_update ( ZEN_MD_DATA *data, const KEY *input ) ;
127 typedef int t_zencod_sha1_do_final ( ZEN_MD_DATA *data, KEY *output ) ;
128 
129 
130 /*
131  * Functions for Cipher (RC4, DES, 3DES) stuff
132  */
133 /* output : output data buffer */
134 /* input : input data buffer */
135 /* key : rc4 key data */
136 /* index_1 : value of index x from RC4 key structure */
137 /* index_2 : value of index y from RC4 key structure */
138 /* Be carefull : RC4 key should be expanded before calling this method (Should we provide an expand function ??) */
139 typedef int t_zencod_rc4_cipher ( KEY *output, const KEY *input, const KEY *key,
140  unsigned char *index_1, unsigned char *index_2, int mode ) ;
141 
142 /* output : output data buffer */
143 /* input : input data buffer */
144 /* key_1 : des first key data */
145 /* key_2 : des second key data */
146 /* key_3 : des third key data */
147 /* iv : initial vector */
148 /* mode : xdes mode (encrypt or decrypt) */
149 /* Be carefull : In DES mode key_1 = key_2 = key_3 (as far as i can see !!) */
150 typedef int t_zencod_xdes_cipher ( KEY *output, const KEY *input, const KEY *key_1,
151  const KEY *key_2, const KEY *key_3, const KEY *iv, int mode ) ;
152 
153 
154 #undef KEY
155 
156 #ifdef __cplusplus
157 }
158 #endif /* __cplusplus */
159 
160 #endif /* !_HW_ZENCOD_H_ */
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