1#ifndef GOST_TOOLS_H
| 1#ifndef GOST_TOOLS_H
|
2#define GOST_TOOLS_H
| 2# define GOST_TOOLS_H
|
3/**********************************************************************
4 * gost_lcl.h *
5 * Copyright (c) 2006 Cryptocom LTD *
6 * This file is distributed under the same license as OpenSSL *
7 * *
8 * Internal declarations used in GOST engine *
9 * OpenSSL 0.9.9 libraries required to compile and use *
10 * this code *
| 3/**********************************************************************
4 * gost_lcl.h *
5 * Copyright (c) 2006 Cryptocom LTD *
6 * This file is distributed under the same license as OpenSSL *
7 * *
8 * Internal declarations used in GOST engine *
9 * OpenSSL 0.9.9 libraries required to compile and use *
10 * this code *
|
11 **********************************************************************/
12#include
13#include
14#include
15#include
16#include
17#include
18#include
19#include "gost89.h"
20#include "gosthash.h"
| 11 **********************************************************************/
12# include <openssl/bn.h>
13# include <openssl/evp.h>
14# include <openssl/dsa.h>
15# include <openssl/asn1t.h>
16# include <openssl/x509.h>
17# include <openssl/engine.h>
18# include <openssl/ec.h>
19# include "gost89.h"
20# include "gosthash.h"
|
21/* Control commands */
| 21/* Control commands */
|
22#define GOST_PARAM_CRYPT_PARAMS 0
23#define GOST_PARAM_MAX 0
24#define GOST_CTRL_CRYPT_PARAMS (ENGINE_CMD_BASE+GOST_PARAM_CRYPT_PARAMS)
| 22# define GOST_PARAM_CRYPT_PARAMS 0
23# define GOST_PARAM_MAX 0
24# define GOST_CTRL_CRYPT_PARAMS (ENGINE_CMD_BASE+GOST_PARAM_CRYPT_PARAMS)
|
25
| 25
|
26 extern const ENGINE_CMD_DEFN gost_cmds[];
27 int gost_control_func(ENGINE *e,int cmd, long i, void *p, void (*f)(void));
28 const char *get_gost_engine_param(int param);
29 int gost_set_default_param(int param, const char *value);
30 void gost_param_free(void);
| 26extern const ENGINE_CMD_DEFN gost_cmds[];
27int gost_control_func(ENGINE *e, int cmd, long i, void *p, void (*f) (void));
28const char *get_gost_engine_param(int param);
29int gost_set_default_param(int param, const char *value);
30void gost_param_free(void);
|
31
32/* method registration */
33
| 31
32/* method registration */
33
|
34 int register_ameth_gost (int nid, EVP_PKEY_ASN1_METHOD **ameth, const char* pemstr, const char* info);
35 int register_pmeth_gost (int id, EVP_PKEY_METHOD **pmeth, int flags);
| 34int register_ameth_gost(int nid, EVP_PKEY_ASN1_METHOD **ameth,
35 const char *pemstr, const char *info);
36int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth, int flags);
|
36
37/* Gost-specific pmeth control-function parameters */
38/* For GOST R34.10 parameters */
| 37
38/* Gost-specific pmeth control-function parameters */
39/* For GOST R34.10 parameters */
|
39#define param_ctrl_string "paramset"
40#define EVP_PKEY_CTRL_GOST_PARAMSET (EVP_PKEY_ALG_CTRL+1)
| 40# define param_ctrl_string "paramset"
41# define EVP_PKEY_CTRL_GOST_PARAMSET (EVP_PKEY_ALG_CTRL+1)
|
41/* For GOST 28147 MAC */
| 42/* For GOST 28147 MAC */
|
42#define key_ctrl_string "key"
43#define hexkey_ctrl_string "hexkey"
44#define EVP_PKEY_CTRL_GOST_MAC_HEXKEY (EVP_PKEY_ALG_CTRL+3)
| 43# define key_ctrl_string "key"
44# define hexkey_ctrl_string "hexkey"
45# define EVP_PKEY_CTRL_GOST_MAC_HEXKEY (EVP_PKEY_ALG_CTRL+3)
|
45/* Pmeth internal representation */
| 46/* Pmeth internal representation */
|
46 struct gost_pmeth_data {
47 int sign_param_nid; /* Should be set whenever parameters are filled */
48 EVP_MD *md;
49 unsigned char *shared_ukm;
50 int peer_key_used;
51 };
| 47struct gost_pmeth_data {
48 int sign_param_nid; /* Should be set whenever parameters are
49 * filled */
50 EVP_MD *md;
51 unsigned char *shared_ukm;
52 int peer_key_used;
53};
|
52
| 54
|
53 struct gost_mac_pmeth_data {
54 int key_set;
55 EVP_MD *md;
56 unsigned char key[32];
57 } ;
| 55struct gost_mac_pmeth_data {
56 int key_set;
57 EVP_MD *md;
58 unsigned char key[32];
59};
|
58/* GOST-specific ASN1 structures */
59
| 60/* GOST-specific ASN1 structures */
61
|
60
| |
61typedef struct {
| 62typedef struct {
|
62 ASN1_OCTET_STRING *encrypted_key;
63 ASN1_OCTET_STRING *imit;
| 63 ASN1_OCTET_STRING *encrypted_key;
64 ASN1_OCTET_STRING *imit;
|
64} GOST_KEY_INFO;
65
66DECLARE_ASN1_FUNCTIONS(GOST_KEY_INFO)
67
68typedef struct {
| 65} GOST_KEY_INFO;
66
67DECLARE_ASN1_FUNCTIONS(GOST_KEY_INFO)
68
69typedef struct {
|
69 ASN1_OBJECT *cipher;
70 X509_PUBKEY *ephem_key;
71 ASN1_OCTET_STRING *eph_iv;
| 70 ASN1_OBJECT *cipher;
71 X509_PUBKEY *ephem_key;
72 ASN1_OCTET_STRING *eph_iv;
|
72} GOST_KEY_AGREEMENT_INFO;
73
74DECLARE_ASN1_FUNCTIONS(GOST_KEY_AGREEMENT_INFO)
| 73} GOST_KEY_AGREEMENT_INFO;
74
75DECLARE_ASN1_FUNCTIONS(GOST_KEY_AGREEMENT_INFO)
|
75
| 76
|
76typedef struct {
| 77typedef struct {
|
77 GOST_KEY_INFO *key_info;
78 GOST_KEY_AGREEMENT_INFO *key_agreement_info;
| 78 GOST_KEY_INFO *key_info;
79 GOST_KEY_AGREEMENT_INFO *key_agreement_info;
|
79} GOST_KEY_TRANSPORT;
80
81DECLARE_ASN1_FUNCTIONS(GOST_KEY_TRANSPORT)
82
| 80} GOST_KEY_TRANSPORT;
81
82DECLARE_ASN1_FUNCTIONS(GOST_KEY_TRANSPORT)
83
|
83typedef struct { /* FIXME incomplete */
84 GOST_KEY_TRANSPORT *gkt;
| 84typedef struct { /* FIXME incomplete */
85 GOST_KEY_TRANSPORT *gkt;
|
85} GOST_CLIENT_KEY_EXCHANGE_PARAMS;
86
| 86} GOST_CLIENT_KEY_EXCHANGE_PARAMS;
87
|
87/* Hacks to shorten symbols to 31 characters or less, or OpenVMS.
88 This mimics what's done in symhacks.h, but since this is a very
89 local header file, I prefered to put this hack directly here.
90 -- Richard Levitte */
91#ifdef OPENSSL_SYS_VMS
92#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_it
93#define GOST_CLIENT_KEY_EXCHANGE_PARAMS_it GOST_CLIENT_KEY_EXC_PARAMS_it
94#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_new
95#define GOST_CLIENT_KEY_EXCHANGE_PARAMS_new GOST_CLIENT_KEY_EXC_PARAMS_new
96#undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_free
97#define GOST_CLIENT_KEY_EXCHANGE_PARAMS_free GOST_CLIENT_KEY_EXC_PARAMS_free
98#undef d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS
99#define d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS d2i_GOST_CLIENT_KEY_EXC_PARAMS
100#undef i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS
101#define i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS i2d_GOST_CLIENT_KEY_EXC_PARAMS
102#endif /* End of hack */
| 88/*
89 * Hacks to shorten symbols to 31 characters or less, or OpenVMS. This mimics
90 * what's done in symhacks.h, but since this is a very local header file, I
91 * prefered to put this hack directly here. -- Richard Levitte
92 */
93# ifdef OPENSSL_SYS_VMS
94# undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_it
95# define GOST_CLIENT_KEY_EXCHANGE_PARAMS_it GOST_CLIENT_KEY_EXC_PARAMS_it
96# undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_new
97# define GOST_CLIENT_KEY_EXCHANGE_PARAMS_new GOST_CLIENT_KEY_EXC_PARAMS_new
98# undef GOST_CLIENT_KEY_EXCHANGE_PARAMS_free
99# define GOST_CLIENT_KEY_EXCHANGE_PARAMS_free GOST_CLIENT_KEY_EXC_PARAMS_free
100# undef d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS
101# define d2i_GOST_CLIENT_KEY_EXCHANGE_PARAMS d2i_GOST_CLIENT_KEY_EXC_PARAMS
102# undef i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS
103# define i2d_GOST_CLIENT_KEY_EXCHANGE_PARAMS i2d_GOST_CLIENT_KEY_EXC_PARAMS
104# endif /* End of hack */
|
103DECLARE_ASN1_FUNCTIONS(GOST_CLIENT_KEY_EXCHANGE_PARAMS)
104typedef struct {
| 105DECLARE_ASN1_FUNCTIONS(GOST_CLIENT_KEY_EXCHANGE_PARAMS)
106typedef struct {
|
105 ASN1_OBJECT *key_params;
106 ASN1_OBJECT *hash_params;
107 ASN1_OBJECT *cipher_params;
| 107 ASN1_OBJECT *key_params;
108 ASN1_OBJECT *hash_params;
109 ASN1_OBJECT *cipher_params;
|
108} GOST_KEY_PARAMS;
109
110DECLARE_ASN1_FUNCTIONS(GOST_KEY_PARAMS)
111
112typedef struct {
| 110} GOST_KEY_PARAMS;
111
112DECLARE_ASN1_FUNCTIONS(GOST_KEY_PARAMS)
113
114typedef struct {
|
113 ASN1_OCTET_STRING *iv;
114 ASN1_OBJECT *enc_param_set;
115} GOST_CIPHER_PARAMS;
| 115 ASN1_OCTET_STRING *iv;
116 ASN1_OBJECT *enc_param_set;
117} GOST_CIPHER_PARAMS;
|
116
117DECLARE_ASN1_FUNCTIONS(GOST_CIPHER_PARAMS)
118/*============== Message digest and cipher related structures ==========*/
| 118
119DECLARE_ASN1_FUNCTIONS(GOST_CIPHER_PARAMS)
120/*============== Message digest and cipher related structures ==========*/
|
119 /* Structure used as EVP_MD_CTX-md_data.
120 * It allows to avoid storing in the md-data pointers to
121 * dynamically allocated memory.
122 *
123 * I cannot invent better way to avoid memory leaks, because
124 * openssl insist on invoking Init on Final-ed digests, and there
125 * is no reliable way to find out whether pointer in the passed
126 * md_data is valid or not.
127 * */
| 121 /*
122 * Structure used as EVP_MD_CTX-md_data. It allows to avoid storing
123 * in the md-data pointers to dynamically allocated memory. I
124 * cannot invent better way to avoid memory leaks, because openssl
125 * insist on invoking Init on Final-ed digests, and there is no
126 * reliable way to find out whether pointer in the passed md_data is
127 * valid or not.
128 */
|
128struct ossl_gost_digest_ctx {
| 129struct ossl_gost_digest_ctx {
|
129 gost_hash_ctx dctx;
130 gost_ctx cctx;
131};
| 130 gost_hash_ctx dctx;
131 gost_ctx cctx;
132};
|
132/* EVP_MD structure for GOST R 34.11 */
133extern EVP_MD digest_gost;
134/* EVP_MD structure for GOST 28147 in MAC mode */
135extern EVP_MD imit_gost_cpa;
136/* Cipher context used for EVP_CIPHER operation */
137struct ossl_gost_cipher_ctx {
| 133/* EVP_MD structure for GOST R 34.11 */
134extern EVP_MD digest_gost;
135/* EVP_MD structure for GOST 28147 in MAC mode */
136extern EVP_MD imit_gost_cpa;
137/* Cipher context used for EVP_CIPHER operation */
138struct ossl_gost_cipher_ctx {
|
138 int paramNID;
139 unsigned int count;
140 int key_meshing;
141 gost_ctx cctx;
142};
| 139 int paramNID;
140 unsigned int count;
141 int key_meshing;
142 gost_ctx cctx;
143};
|
143/* Structure to map parameter NID to S-block */
144struct gost_cipher_info {
| 144/* Structure to map parameter NID to S-block */
145struct gost_cipher_info {
|
145 int nid;
146 gost_subst_block *sblock;
147 int key_meshing;
| 146 int nid;
147 gost_subst_block *sblock;
148 int key_meshing;
|
148};
149/* Context for MAC */
150struct ossl_gost_imit_ctx {
| 149};
150/* Context for MAC */
151struct ossl_gost_imit_ctx {
|
151 gost_ctx cctx;
152 unsigned char buffer[8];
153 unsigned char partial_block[8];
154 unsigned int count;
155 int key_meshing;
156 int bytes_left;
157 int key_set;
158};
| 152 gost_ctx cctx;
153 unsigned char buffer[8];
154 unsigned char partial_block[8];
155 unsigned int count;
156 int key_meshing;
157 int bytes_left;
158 int key_set;
159};
|
159/* Table which maps parameter NID to S-blocks */
160extern struct gost_cipher_info gost_cipher_list[];
161/* Find encryption params from ASN1_OBJECT */
162const struct gost_cipher_info *get_encryption_params(ASN1_OBJECT *obj);
163/* Implementation of GOST 28147-89 cipher in CFB and CNT modes */
164extern EVP_CIPHER cipher_gost;
165extern EVP_CIPHER cipher_gost_cpacnt;
| 160/* Table which maps parameter NID to S-blocks */
161extern struct gost_cipher_info gost_cipher_list[];
162/* Find encryption params from ASN1_OBJECT */
163const struct gost_cipher_info *get_encryption_params(ASN1_OBJECT *obj);
164/* Implementation of GOST 28147-89 cipher in CFB and CNT modes */
165extern EVP_CIPHER cipher_gost;
166extern EVP_CIPHER cipher_gost_cpacnt;
|
166#define EVP_MD_CTRL_KEY_LEN (EVP_MD_CTRL_ALG_CTRL+3)
167#define EVP_MD_CTRL_SET_KEY (EVP_MD_CTRL_ALG_CTRL+4)
| 167# define EVP_MD_CTRL_KEY_LEN (EVP_MD_CTRL_ALG_CTRL+3)
168# define EVP_MD_CTRL_SET_KEY (EVP_MD_CTRL_ALG_CTRL+4)
|
168/* EVP_PKEY_METHOD key encryption callbacks */
169/* From gost94_keyx.c */
| 169/* EVP_PKEY_METHOD key encryption callbacks */
170/* From gost94_keyx.c */
|
170int pkey_GOST94cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* key, size_t key_len );
| 171int pkey_GOST94cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
172 size_t *outlen, const unsigned char *key,
173 size_t key_len);
|
171
| 174
|
172int pkey_GOST94cp_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* in, size_t in_len );
| 175int pkey_GOST94cp_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
176 size_t *outlen, const unsigned char *in,
177 size_t in_len);
|
173/* From gost2001_keyx.c */
| 178/* From gost2001_keyx.c */
|
174int pkey_GOST01cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* key, size_t key_len );
| 179int pkey_GOST01cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
180 size_t *outlen, const unsigned char *key,
181 size_t key_len);
|
175
| 182
|
176int pkey_GOST01cp_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, const unsigned char* in, size_t in_len );
| 183int pkey_GOST01cp_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
184 size_t *outlen, const unsigned char *in,
185 size_t in_len);
|
177/* derive functions */
178/* From gost2001_keyx.c */
| 186/* derive functions */
187/* From gost2001_keyx.c */
|
179int pkey_gost2001_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
| 188int pkey_gost2001_derive(EVP_PKEY_CTX *ctx, unsigned char *key,
189 size_t *keylen);
|
180/* From gost94_keyx.c */
181int pkey_gost94_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
182/* Internal functions for signature algorithms */
| 190/* From gost94_keyx.c */
191int pkey_gost94_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
192/* Internal functions for signature algorithms */
|
183int fill_GOST94_params(DSA *dsa,int nid);
| 193int fill_GOST94_params(DSA *dsa, int nid);
|
184int fill_GOST2001_params(EC_KEY *eckey, int nid);
| 194int fill_GOST2001_params(EC_KEY *eckey, int nid);
|
185int gost_sign_keygen(DSA *dsa) ;
186int gost2001_keygen(EC_KEY *ec) ;
| 195int gost_sign_keygen(DSA *dsa);
196int gost2001_keygen(EC_KEY *ec);
|
187
| 197
|
188DSA_SIG *gost_do_sign(const unsigned char *dgst,int dlen, DSA *dsa) ;
189DSA_SIG *gost2001_do_sign(const unsigned char *dgst,int dlen, EC_KEY *eckey);
| 198DSA_SIG *gost_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
199DSA_SIG *gost2001_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey);
|
190
191int gost_do_verify(const unsigned char *dgst, int dgst_len,
| 200
201int gost_do_verify(const unsigned char *dgst, int dgst_len,
|
192 DSA_SIG *sig, DSA *dsa) ;
193int gost2001_do_verify(const unsigned char *dgst,int dgst_len,
194 DSA_SIG *sig, EC_KEY *ec);
195int gost2001_compute_public(EC_KEY *ec) ;
196int gost94_compute_public(DSA *dsa) ;
| 202 DSA_SIG *sig, DSA *dsa);
203int gost2001_do_verify(const unsigned char *dgst, int dgst_len,
204 DSA_SIG *sig, EC_KEY *ec);
205int gost2001_compute_public(EC_KEY *ec);
206int gost94_compute_public(DSA *dsa);
|
197/*============== miscellaneous functions============================= */
198/* from gost_sign.c */
199/* Convert GOST R 34.11 hash sum to bignum according to standard */
| 207/*============== miscellaneous functions============================= */
208/* from gost_sign.c */
209/* Convert GOST R 34.11 hash sum to bignum according to standard */
|
200BIGNUM *hashsum2bn(const unsigned char *dgst) ;
201/* Store bignum in byte array of given length, prepending by zeros
202 * if nesseccary */
203int store_bignum(BIGNUM *bn, unsigned char *buf,int len);
204/* Read bignum, which can have few MSB all-zeros from buffer*/
205BIGNUM *getbnfrombuf(const unsigned char *buf,size_t len);
| 210BIGNUM *hashsum2bn(const unsigned char *dgst);
211/*
212 * Store bignum in byte array of given length, prepending by zeros if
213 * nesseccary
214 */
215int store_bignum(BIGNUM *bn, unsigned char *buf, int len);
216/* Read bignum, which can have few MSB all-zeros from buffer*/
217BIGNUM *getbnfrombuf(const unsigned char *buf, size_t len);
|
206/* Pack GOST R 34.10 signature according to CryptoPro rules */
| 218/* Pack GOST R 34.10 signature according to CryptoPro rules */
|
207int pack_sign_cp(DSA_SIG *s,int order,unsigned char *sig, size_t *siglen);
| 219int pack_sign_cp(DSA_SIG *s, int order, unsigned char *sig, size_t *siglen);
|
208/* Unpack GOST R 34.10 signature according to CryptoPro rules */
| 220/* Unpack GOST R 34.10 signature according to CryptoPro rules */
|
209DSA_SIG *unpack_cp_signature(const unsigned char *sig,size_t siglen) ;
| 221DSA_SIG *unpack_cp_signature(const unsigned char *sig, size_t siglen);
|
210/* from ameth.c */
211/* Get private key as BIGNUM from both R 34.10-94 and R 34.10-2001 keys*/
212/* Returns pointer into EVP_PKEY structure */
| 222/* from ameth.c */
223/* Get private key as BIGNUM from both R 34.10-94 and R 34.10-2001 keys*/
224/* Returns pointer into EVP_PKEY structure */
|
213BIGNUM* gost_get0_priv_key(const EVP_PKEY *pkey) ;
| 225BIGNUM *gost_get0_priv_key(const EVP_PKEY *pkey);
|
214/* Find NID by GOST 94 parameters */
| 226/* Find NID by GOST 94 parameters */
|
215int gost94_nid_by_params(DSA *p) ;
| 227int gost94_nid_by_params(DSA *p);
|
216
| 228
|
217
| |
218#endif
| 229#endif
|