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source-engine/thirdparty/openssl/demos/engines/cluster_labs/hw_cluster_labs.c
JusicP 940d664def Add thirdparty libs
2020-10-22 20:43:01 +03:00

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/* 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 */
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