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| Current File : //usr/src/crypto/openssl/demos/engines/cluster_labs/hw_cluster_labs.c |
/* crypto/engine/hw_cluster_labs.c */
/* Written by Jan Tschirschwitz (jan.tschirschwitz@cluster-labs.com
* for the OpenSSL project 2000.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#define MSC_VER /* only used cryptic.h */
#include <stdio.h>
#include <openssl/crypto.h>
#include <openssl/dso.h>
#include <openssl/des.h>
#include <openssl/engine.h>
#ifndef NO_HW
#ifndef NO_HW_CLUSTER_LABS
#ifdef FLAT_INC
#include "cluster_labs.h"
#else
#include "vendor_defns/cluster_labs.h"
#endif
#define CL_LIB_NAME "cluster_labs engine"
#include "hw_cluster_labs_err.c"
static int cluster_labs_destroy(ENGINE *e);
static int cluster_labs_init(ENGINE *e);
static int cluster_labs_finish(ENGINE *e);
static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
/* BIGNUM stuff */
/* This function is aliased to mod_exp (with the mont stuff dropped). */
static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
/* RSA stuff */
#ifndef OPENSSL_NO_RSA
static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
#endif
/* DSA stuff */
#ifndef OPENSSL_NO_DSA
static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
DSA_SIG *sig, DSA *dsa);
static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
BN_CTX *ctx, BN_MONT_CTX *in_mont);
static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *m_ctx);
#endif
/* DH stuff */
#ifndef OPENSSL_NO_DH
/* This function is alised to mod_exp (with the DH and mont dropped). */
static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
#endif
/* RANDOM stuff */
static int cluster_labs_rand_bytes(unsigned char *buf, int num);
/* The definitions for control commands specific to this engine */
#define CLUSTER_LABS_CMD_SO_PATH ENGINE_CMD_BASE
static const ENGINE_CMD_DEFN cluster_labs_cmd_defns[] =
{
{ CLUSTER_LABS_CMD_SO_PATH,
"SO_PATH",
"Specifies the path to the 'cluster labs' shared library",
ENGINE_CMD_FLAG_STRING
},
{0, NULL, NULL, 0}
};
/* Our internal RSA_METHOD that we provide pointers to */
#ifndef OPENSSL_NO_RSA
static RSA_METHOD cluster_labs_rsa =
{
"Cluster Labs RSA method",
cluster_labs_rsa_pub_enc, /* rsa_pub_enc */
cluster_labs_rsa_pub_dec, /* rsa_pub_dec */
cluster_labs_rsa_priv_enc, /* rsa_priv_enc */
cluster_labs_rsa_priv_dec, /* rsa_priv_dec */
cluster_labs_rsa_mod_exp, /* rsa_mod_exp */
cluster_labs_mod_exp_mont, /* bn_mod_exp */
NULL, /* init */
NULL, /* finish */
0, /* flags */
NULL, /* apps_data */
NULL, /* rsa_sign */
NULL /* rsa_verify */
};
#endif
/* Our internal DSA_METHOD that we provide pointers to */
#ifndef OPENSSL_NO_DSA
static DSA_METHOD cluster_labs_dsa =
{
"Cluster Labs DSA method",
cluster_labs_dsa_sign, /* dsa_do_sign */
NULL, /* dsa_sign_setup */
cluster_labs_dsa_verify, /* dsa_do_verify */
cluster_labs_dsa_mod_exp, /* dsa_mod_exp */
cluster_labs_mod_exp_dsa, /* bn_mod_exp */
NULL, /* init */
NULL, /* finish */
0, /* flags */
NULL /* app_data */
};
#endif
/* Our internal DH_METHOD that we provide pointers to */
#ifndef OPENSSL_NO_DH
static DH_METHOD cluster_labs_dh =
{
"Cluster Labs DH method",
NULL, /* generate key */
NULL, /* compute key */
cluster_labs_mod_exp_dh, /* bn_mod_exp */
NULL, /* init */
NULL, /* finish */
0, /* flags */
NULL /* app_data */
};
#endif
static RAND_METHOD cluster_labs_rand =
{
/* "Cluster Labs RAND method", */
NULL, /* seed */
cluster_labs_rand_bytes, /* bytes */
NULL, /* cleanup */
NULL, /* add */
cluster_labs_rand_bytes, /* pseudorand */
NULL, /* status */
};
static const char *engine_cluster_labs_id = "cluster_labs";
static const char *engine_cluster_labs_name = "Cluster Labs hardware engine support";
/* engine implementation */
/*-----------------------*/
static int bind_helper(ENGINE *e)
{
if(!ENGINE_set_id(e, engine_cluster_labs_id) ||
!ENGINE_set_name(e, engine_cluster_labs_name) ||
#ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(e, &cluster_labs_rsa) ||
#endif
#ifndef OPENSSL_NO_DSA
!ENGINE_set_DSA(e, &cluster_labs_dsa) ||
#endif
#ifndef OPENSSL_NO_DH
!ENGINE_set_DH(e, &cluster_labs_dh) ||
#endif
!ENGINE_set_RAND(e, &cluster_labs_rand) ||
!ENGINE_set_destroy_function(e, cluster_labs_destroy) ||
!ENGINE_set_init_function(e, cluster_labs_init) ||
!ENGINE_set_finish_function(e, cluster_labs_finish) ||
!ENGINE_set_ctrl_function(e, cluster_labs_ctrl) ||
!ENGINE_set_cmd_defns(e, cluster_labs_cmd_defns))
return 0;
/* Ensure the error handling is set up */
ERR_load_CL_strings();
return 1;
}
#ifndef ENGINE_DYNAMIC_SUPPORT
static ENGINE *engine_cluster_labs(void)
{
ENGINE *ret = ENGINE_new();
if(!ret)
return NULL;
if(!bind_helper(ret))
{
ENGINE_free(ret);
return NULL;
}
return ret;
}
#ifdef ENGINE_DYNAMIC_SUPPORT
static
#endif
void ENGINE_load_cluster_labs(void)
{
ENGINE *cluster_labs = engine_cluster_labs();
if(!cluster_labs) return;
ENGINE_add(cluster_labs);
ENGINE_free(cluster_labs);
ERR_clear_error();
}
#endif /* !ENGINE_DYNAMIC_SUPPORT */
static int cluster_labs_destroy(ENGINE *e)
{
ERR_unload_CL_strings();
return 1;
}
/* This is a process-global DSO handle used for loading and unloading
* the Cluster Labs library. NB: This is only set (or unset) during an
* init() or finish() call (reference counts permitting) and they're
* operating with global locks, so this should be thread-safe
* implicitly. */
static DSO *cluster_labs_dso = NULL;
/* These are the function pointers that are (un)set when the library has
* successfully (un)loaded. */
static cl_engine_init *p_cl_engine_init = NULL;
static cl_mod_exp *p_cl_mod_exp = NULL;
static cl_mod_exp_crt *p_cl_mod_exp_crt = NULL;
static cl_rsa_mod_exp *p_cl_rsa_mod_exp = NULL;
static cl_rsa_priv_enc *p_cl_rsa_priv_enc = NULL;
static cl_rsa_priv_dec *p_cl_rsa_priv_dec = NULL;
static cl_rsa_pub_enc *p_cl_rsa_pub_enc = NULL;
static cl_rsa_pub_dec *p_cl_rsa_pub_dec = NULL;
static cl_rand_bytes *p_cl_rand_bytes = NULL;
static cl_dsa_sign *p_cl_dsa_sign = NULL;
static cl_dsa_verify *p_cl_dsa_verify = NULL;
int cluster_labs_init(ENGINE *e)
{
cl_engine_init *p1;
cl_mod_exp *p2;
cl_mod_exp_crt *p3;
cl_rsa_mod_exp *p4;
cl_rsa_priv_enc *p5;
cl_rsa_priv_dec *p6;
cl_rsa_pub_enc *p7;
cl_rsa_pub_dec *p8;
cl_rand_bytes *p20;
cl_dsa_sign *p30;
cl_dsa_verify *p31;
/* engine already loaded */
if(cluster_labs_dso != NULL)
{
CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_ALREADY_LOADED);
goto err;
}
/* try to load engine */
cluster_labs_dso = DSO_load(NULL, CLUSTER_LABS_LIB_NAME, NULL,0);
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
goto err;
}
/* bind functions */
if( !(p1 = (cl_engine_init *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F1)) ||
!(p2 = (cl_mod_exp *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F2)) ||
!(p3 = (cl_mod_exp_crt *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F3)) ||
!(p4 = (cl_rsa_mod_exp *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F4)) ||
!(p5 = (cl_rsa_priv_enc *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F5)) ||
!(p6 = (cl_rsa_priv_dec *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F6)) ||
!(p7 = (cl_rsa_pub_enc *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F7)) ||
!(p8 = (cl_rsa_pub_dec *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F8)) ||
!(p20= (cl_rand_bytes *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F20)) ||
!(p30= (cl_dsa_sign *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F30)) ||
!(p31= (cl_dsa_verify *)DSO_bind_func(
cluster_labs_dso, CLUSTER_LABS_F31)))
{
CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
goto err;
}
/* copy function pointers */
p_cl_engine_init = p1;
p_cl_mod_exp = p2;
p_cl_mod_exp_crt = p3;
p_cl_rsa_mod_exp = p4;
p_cl_rsa_priv_enc = p5;
p_cl_rsa_priv_dec = p6;
p_cl_rsa_pub_enc = p7;
p_cl_rsa_pub_dec = p8;
p_cl_rand_bytes = p20;
p_cl_dsa_sign = p30;
p_cl_dsa_verify = p31;
/* cluster labs engine init */
if(p_cl_engine_init()== 0){
CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_INIT_FAILED);
goto err;
}
return(1);
err:
/* reset all pointers */
if(cluster_labs_dso)
DSO_free(cluster_labs_dso);
cluster_labs_dso = NULL;
p_cl_engine_init = NULL;
p_cl_mod_exp = NULL;
p_cl_mod_exp_crt = NULL;
p_cl_rsa_mod_exp = NULL;
p_cl_rsa_priv_enc = NULL;
p_cl_rsa_priv_dec = NULL;
p_cl_rsa_pub_enc = NULL;
p_cl_rsa_pub_dec = NULL;
p_cl_rand_bytes = NULL;
p_cl_dsa_sign = NULL;
p_cl_dsa_verify = NULL;
return(0);
}
static int cluster_labs_finish(ENGINE *e)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_NOT_LOADED);
return 0;
}
if(!DSO_free(cluster_labs_dso))
{
CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_DSO_FAILURE);
return 0;
}
cluster_labs_dso = NULL;
p_cl_engine_init = NULL;
p_cl_mod_exp = NULL;
p_cl_rsa_mod_exp = NULL;
p_cl_mod_exp_crt = NULL;
p_cl_rsa_priv_enc = NULL;
p_cl_rsa_priv_dec = NULL;
p_cl_rsa_pub_enc = NULL;
p_cl_rsa_pub_dec = NULL;
p_cl_rand_bytes = NULL;
p_cl_dsa_sign = NULL;
p_cl_dsa_verify = NULL;
return(1);
}
static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
{
int initialised = ((cluster_labs_dso == NULL) ? 0 : 1);
switch(cmd)
{
case CLUSTER_LABS_CMD_SO_PATH:
if(p == NULL)
{
CLerr(CL_F_CLUSTER_LABS_CTRL,ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if(initialised)
{
CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_ALREADY_LOADED);
return 0;
}
CLUSTER_LABS_LIB_NAME = (const char *)p;
return 1;
default:
break;
}
CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_COMMAND_NOT_IMPLEMENTED);
return 0;
}
static int cluster_labs_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_mod_exp == NULL)
{
CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_mod_exp(r, a, p, m, ctx);
}
static int cluster_labs_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
const BIGNUM *iqmp, BN_CTX *ctx)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_mod_exp_crt == NULL)
{
CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_mod_exp_crt(r, a, p, q,dmp1, dmq1, iqmp, ctx);
}
static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_rsa_mod_exp == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_rsa_mod_exp(r0, I, rsa);
}
static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_dsa_sign == NULL)
{
CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_dsa_sign(dgst, dlen, dsa);
}
static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
DSA_SIG *sig, DSA *dsa)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_dsa_verify == NULL)
{
CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_dsa_verify(dgst, dgst_len, sig, dsa);
}
static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
BN_CTX *ctx, BN_MONT_CTX *in_mont)
{
BIGNUM t;
int status = 0;
BN_init(&t);
/* let rr = a1 ^ p1 mod m */
if (!cluster_labs_mod_exp(rr,a1,p1,m,ctx)) goto end;
/* let t = a2 ^ p2 mod m */
if (!cluster_labs_mod_exp(&t,a2,p2,m,ctx)) goto end;
/* let rr = rr * t mod m */
if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
status = 1;
end:
BN_free(&t);
return(1);
}
static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
BN_MONT_CTX *m_ctx)
{
return cluster_labs_mod_exp(r, a, p, m, ctx);
}
/* This function is aliased to mod_exp (with the mont stuff dropped). */
static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
{
return cluster_labs_mod_exp(r, a, p, m, ctx);
}
/* This function is aliased to mod_exp (with the dh and mont dropped). */
static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
{
return cluster_labs_mod_exp(r, a, p, m, ctx);
}
static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_rsa_priv_enc == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_rsa_pub_enc(flen, from, to, rsa, padding);
}
static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_rsa_priv_enc == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_rsa_pub_dec(flen, from, to, rsa, padding);
}
static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_rsa_priv_enc == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_rsa_priv_enc(flen, from, to, rsa, padding);
}
static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding)
{
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_rsa_priv_dec == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_rsa_priv_dec(flen, from, to, rsa, padding);
}
/************************************************************************************
* Symmetric algorithms
************************************************************************************/
/* this will be come soon! */
/************************************************************************************
* Random generator
************************************************************************************/
static int cluster_labs_rand_bytes(unsigned char *buf, int num){
if(cluster_labs_dso == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_NOT_LOADED);
return 0;
}
if(p_cl_mod_exp_crt == NULL)
{
CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_FUNCTION_NOT_BINDED);
return 0;
}
return p_cl_rand_bytes(buf, num);
}
/* This stuff is needed if this ENGINE is being compiled into a self-contained
* shared-library. */
#ifdef ENGINE_DYNAMIC_SUPPORT
static int bind_fn(ENGINE *e, const char *id)
{
fprintf(stderr, "bind_fn CLUSTER_LABS\n");
if(id && (strcmp(id, engine_cluster_labs_id) != 0)) {
fprintf(stderr, "bind_fn return(0) first\n");
return 0;
}
if(!bind_helper(e)) {
fprintf(stderr, "bind_fn return(1) first\n");
return 0;
}
fprintf(stderr, "bind_fn return(1)\n");
return 1;
}
IMPLEMENT_DYNAMIC_CHECK_FN()
IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
#endif /* ENGINE_DYNAMIC_SUPPORT */
#endif /* !NO_HW_CLUSTER_LABS */
#endif /* !NO_HW */