1/**********************************************************************
2 * gost_ctl.c *
3 * Copyright (c) 2005-2006 Cryptocom LTD *
4 * This file is distributed under the same license as OpenSSL *
5 * *
6 * Implementation of control commands for GOST engine *
7 * OpenSSL 0.9.9 libraries required *
| 1/**********************************************************************
2 * gost_ctl.c *
3 * Copyright (c) 2005-2006 Cryptocom LTD *
4 * This file is distributed under the same license as OpenSSL *
5 * *
6 * Implementation of control commands for GOST engine *
7 * OpenSSL 0.9.9 libraries required *
|
8 **********************************************************************/
| 8 **********************************************************************/
|
9#include <stdlib.h>
10#include <string.h>
11#include <openssl/crypto.h>
12#include <openssl/err.h>
13#include <openssl/engine.h>
14#include <openssl/buffer.h>
15#include "gost_lcl.h"
16
| 9#include <stdlib.h>
10#include <string.h>
11#include <openssl/crypto.h>
12#include <openssl/err.h>
13#include <openssl/engine.h>
14#include <openssl/buffer.h>
15#include "gost_lcl.h"
16
|
17static char *gost_params[GOST_PARAM_MAX+1]={NULL};
18static const char *gost_envnames[]={"CRYPT_PARAMS"};
19const ENGINE_CMD_DEFN gost_cmds[]=
20 {
21/* { GOST_CTRL_RNG,
22 "RNG",
23 "Type of random number generator to use",
24 ENGINE_CMD_FLAG_STRING
25 },
26 { GOST_CTRL_RNG_PARAMS,
27 "RNG_PARAMS",
28 "Parameter for random number generator",
29 ENGINE_CMD_FLAG_STRING
30 },
31*/ { GOST_CTRL_CRYPT_PARAMS,
32 "CRYPT_PARAMS",
33 "OID of default GOST 28147-89 parameters",
34 ENGINE_CMD_FLAG_STRING
35 },
36{0,NULL,NULL,0}
37 };
| 17static char *gost_params[GOST_PARAM_MAX + 1] = { NULL };
18static const char *gost_envnames[] = { "CRYPT_PARAMS" };
|
38
| 19
|
39void gost_param_free()
| 20const ENGINE_CMD_DEFN gost_cmds[] = {
21/*- { GOST_CTRL_RNG,
22 "RNG",
23 "Type of random number generator to use",
24 ENGINE_CMD_FLAG_STRING
25 },
26 { GOST_CTRL_RNG_PARAMS,
27 "RNG_PARAMS",
28 "Parameter for random number generator",
29 ENGINE_CMD_FLAG_STRING
30 },
31*/ {GOST_CTRL_CRYPT_PARAMS,
32 "CRYPT_PARAMS",
33 "OID of default GOST 28147-89 parameters",
34 ENGINE_CMD_FLAG_STRING},
35 {0, NULL, NULL, 0}
36};
37
38void gost_param_free()
|
40{
| 39{
|
41 int i;
42 for (i=0;i<=GOST_PARAM_MAX;i++)
43 if (gost_params[i]!=NULL)
44 {
45 OPENSSL_free(gost_params[i]);
46 gost_params[i]=NULL;
47 }
48
| 40 int i;
41 for (i = 0; i <= GOST_PARAM_MAX; i++)
42 if (gost_params[i] != NULL) {
43 OPENSSL_free(gost_params[i]);
44 gost_params[i] = NULL;
45 }
46
|
49}
50
| 47}
48
|
51int gost_control_func(ENGINE *e,int cmd,long i, void *p, void (*f)(void))
52 {
53 int param = cmd-ENGINE_CMD_BASE;
54 int ret=0;
55 if (param <0 || param >GOST_PARAM_MAX) return -1;
56 ret=gost_set_default_param(param,p);
57 return ret;
58 }
| 49int gost_control_func(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
50{
51 int param = cmd - ENGINE_CMD_BASE;
52 int ret = 0;
53 if (param < 0 || param > GOST_PARAM_MAX)
54 return -1;
55 ret = gost_set_default_param(param, p);
56 return ret;
57}
|
59
| 58
|
60const char *get_gost_engine_param(int param)
61 {
62 char *tmp;
63 if (param <0 || param >GOST_PARAM_MAX) return NULL;
64 if (gost_params[param]!=NULL)
65 {
66 return gost_params[param];
67 }
68 tmp = getenv(gost_envnames[param]);
69 if (tmp)
70 {
71 if (gost_params[param]) OPENSSL_free(gost_params[param]);
72 gost_params[param] = BUF_strdup(tmp);
73 return gost_params[param];
74 }
75 return NULL;
76 }
| 59const char *get_gost_engine_param(int param)
60{
61 char *tmp;
62 if (param < 0 || param > GOST_PARAM_MAX)
63 return NULL;
64 if (gost_params[param] != NULL) {
65 return gost_params[param];
66 }
67 tmp = getenv(gost_envnames[param]);
68 if (tmp) {
69 if (gost_params[param])
70 OPENSSL_free(gost_params[param]);
71 gost_params[param] = BUF_strdup(tmp);
72 return gost_params[param];
73 }
74 return NULL;
75}
|
77
| 76
|
78int gost_set_default_param(int param, const char *value)
79 {
80 const char *tmp;
81 if (param <0 || param >GOST_PARAM_MAX) return 0;
82 tmp = getenv(gost_envnames[param]);
83 /* if there is value in the environment, use it, else -passed string * */
84 if (!tmp) tmp=value;
85 if (gost_params[param]) OPENSSL_free(gost_params[param]);
86 gost_params[param] = BUF_strdup(tmp);
| 77int gost_set_default_param(int param, const char *value)
78{
79 const char *tmp;
80 if (param < 0 || param > GOST_PARAM_MAX)
81 return 0;
82 tmp = getenv(gost_envnames[param]);
83 /*
84 * if there is value in the environment, use it, else -passed string *
85 */
86 if (!tmp)
87 tmp = value;
88 if (gost_params[param])
89 OPENSSL_free(gost_params[param]);
90 gost_params[param] = BUF_strdup(tmp);
|
87
| 91
|
88 return 1;
89 }
| 92 return 1;
93}
|
| |