83975c80bb
This should be a one off operation (subsequent invokation of the script should not move them) This commit is for the 1.0.2 changes Reviewed-by: Tim Hudson <tjh@openssl.org>
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/**********************************************************************
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* gost_ctl.c *
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* Copyright (c) 2005-2006 Cryptocom LTD *
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* This file is distributed under the same license as OpenSSL *
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* *
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* Implementation of control commands for GOST engine *
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* OpenSSL 0.9.9 libraries required *
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**********************************************************************/
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/crypto.h>
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#include <openssl/err.h>
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#include <openssl/engine.h>
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#include <openssl/buffer.h>
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#include "gost_lcl.h"
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static char *gost_params[GOST_PARAM_MAX + 1] = { NULL };
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static const char *gost_envnames[] = { "CRYPT_PARAMS" };
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const ENGINE_CMD_DEFN gost_cmds[] = {
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/*- { GOST_CTRL_RNG,
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"RNG",
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"Type of random number generator to use",
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ENGINE_CMD_FLAG_STRING
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},
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{ GOST_CTRL_RNG_PARAMS,
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"RNG_PARAMS",
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"Parameter for random number generator",
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ENGINE_CMD_FLAG_STRING
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},
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*/ {GOST_CTRL_CRYPT_PARAMS,
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"CRYPT_PARAMS",
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"OID of default GOST 28147-89 parameters",
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ENGINE_CMD_FLAG_STRING},
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{0, NULL, NULL, 0}
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};
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void gost_param_free()
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{
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int i;
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for (i = 0; i <= GOST_PARAM_MAX; i++)
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if (gost_params[i] != NULL) {
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OPENSSL_free(gost_params[i]);
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gost_params[i] = NULL;
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}
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}
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int gost_control_func(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
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{
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int param = cmd - ENGINE_CMD_BASE;
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int ret = 0;
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if (param < 0 || param > GOST_PARAM_MAX)
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return -1;
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ret = gost_set_default_param(param, p);
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return ret;
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}
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const char *get_gost_engine_param(int param)
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{
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char *tmp;
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if (param < 0 || param > GOST_PARAM_MAX)
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return NULL;
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if (gost_params[param] != NULL) {
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return gost_params[param];
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}
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tmp = getenv(gost_envnames[param]);
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if (tmp) {
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if (gost_params[param])
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OPENSSL_free(gost_params[param]);
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gost_params[param] = BUF_strdup(tmp);
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return gost_params[param];
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}
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return NULL;
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}
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int gost_set_default_param(int param, const char *value)
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{
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const char *tmp;
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if (param < 0 || param > GOST_PARAM_MAX)
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return 0;
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tmp = getenv(gost_envnames[param]);
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/*
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* if there is value in the environment, use it, else -passed string *
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*/
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if (!tmp)
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tmp = value;
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if (gost_params[param])
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OPENSSL_free(gost_params[param]);
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gost_params[param] = BUF_strdup(tmp);
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return 1;
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}
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