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/* crypto/engine/hw_cluster_labs.c */
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/* Written by Jan Tschirschwitz (jan.tschirschwitz@cluster-labs.com
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* for the OpenSSL project 2000.
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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* 6. Redistributions of any form whatsoever must retain the following
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
59
#define MSC_VER /* only used cryptic.h */
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#include <openssl/crypto.h>
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#include <openssl/dso.h>
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#include <openssl/des.h>
65
#include <openssl/engine.h>
68
#ifndef NO_HW_CLUSTER_LABS
71
#include "cluster_labs.h"
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#include "vendor_defns/cluster_labs.h"
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#define CL_LIB_NAME "cluster_labs engine"
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#include "hw_cluster_labs_err.c"
80
static int cluster_labs_destroy(ENGINE *e);
81
static int cluster_labs_init(ENGINE *e);
82
static int cluster_labs_finish(ENGINE *e);
83
static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
87
/* This function is aliased to mod_exp (with the mont stuff dropped). */
88
static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
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const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
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#ifndef OPENSSL_NO_RSA
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static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
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unsigned char *to, RSA *rsa, int padding);
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static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
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unsigned char *to, RSA *rsa, int padding);
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static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from,
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unsigned char *to, RSA *rsa, int padding);
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static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from,
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unsigned char *to, RSA *rsa, int padding);
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static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
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#ifndef OPENSSL_NO_DSA
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static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
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static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
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DSA_SIG *sig, DSA *dsa);
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static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
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BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
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BN_CTX *ctx, BN_MONT_CTX *in_mont);
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static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
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const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
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#ifndef OPENSSL_NO_DH
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/* This function is alised to mod_exp (with the DH and mont dropped). */
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static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
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const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
125
static int cluster_labs_rand_bytes(unsigned char *buf, int num);
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/* The definitions for control commands specific to this engine */
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#define CLUSTER_LABS_CMD_SO_PATH ENGINE_CMD_BASE
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static const ENGINE_CMD_DEFN cluster_labs_cmd_defns[] =
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{ CLUSTER_LABS_CMD_SO_PATH,
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"Specifies the path to the 'cluster labs' shared library",
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ENGINE_CMD_FLAG_STRING
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/* Our internal RSA_METHOD that we provide pointers to */
140
#ifndef OPENSSL_NO_RSA
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static RSA_METHOD cluster_labs_rsa =
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"Cluster Labs RSA method",
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cluster_labs_rsa_pub_enc, /* rsa_pub_enc */
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cluster_labs_rsa_pub_dec, /* rsa_pub_dec */
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cluster_labs_rsa_priv_enc, /* rsa_priv_enc */
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cluster_labs_rsa_priv_dec, /* rsa_priv_dec */
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cluster_labs_rsa_mod_exp, /* rsa_mod_exp */
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cluster_labs_mod_exp_mont, /* bn_mod_exp */
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NULL, /* apps_data */
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NULL /* rsa_verify */
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/* Our internal DSA_METHOD that we provide pointers to */
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#ifndef OPENSSL_NO_DSA
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static DSA_METHOD cluster_labs_dsa =
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"Cluster Labs DSA method",
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cluster_labs_dsa_sign, /* dsa_do_sign */
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NULL, /* dsa_sign_setup */
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cluster_labs_dsa_verify, /* dsa_do_verify */
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cluster_labs_dsa_mod_exp, /* dsa_mod_exp */
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cluster_labs_mod_exp_dsa, /* bn_mod_exp */
176
/* Our internal DH_METHOD that we provide pointers to */
177
#ifndef OPENSSL_NO_DH
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static DH_METHOD cluster_labs_dh =
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"Cluster Labs DH method",
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NULL, /* generate key */
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NULL, /* compute key */
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cluster_labs_mod_exp_dh, /* bn_mod_exp */
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static RAND_METHOD cluster_labs_rand =
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/* "Cluster Labs RAND method", */
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cluster_labs_rand_bytes, /* bytes */
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cluster_labs_rand_bytes, /* pseudorand */
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static const char *engine_cluster_labs_id = "cluster_labs";
203
static const char *engine_cluster_labs_name = "Cluster Labs hardware engine support";
205
/* engine implementation */
206
/*-----------------------*/
207
static int bind_helper(ENGINE *e)
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if(!ENGINE_set_id(e, engine_cluster_labs_id) ||
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!ENGINE_set_name(e, engine_cluster_labs_name) ||
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#ifndef OPENSSL_NO_RSA
213
!ENGINE_set_RSA(e, &cluster_labs_rsa) ||
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#ifndef OPENSSL_NO_DSA
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!ENGINE_set_DSA(e, &cluster_labs_dsa) ||
218
#ifndef OPENSSL_NO_DH
219
!ENGINE_set_DH(e, &cluster_labs_dh) ||
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!ENGINE_set_RAND(e, &cluster_labs_rand) ||
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!ENGINE_set_destroy_function(e, cluster_labs_destroy) ||
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!ENGINE_set_init_function(e, cluster_labs_init) ||
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!ENGINE_set_finish_function(e, cluster_labs_finish) ||
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!ENGINE_set_ctrl_function(e, cluster_labs_ctrl) ||
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!ENGINE_set_cmd_defns(e, cluster_labs_cmd_defns))
228
/* Ensure the error handling is set up */
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ERR_load_CL_strings();
233
#ifndef ENGINE_DYNAMIC_SUPPORT
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static ENGINE *engine_cluster_labs(void)
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ENGINE *ret = ENGINE_new();
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if(!bind_helper(ret))
248
#ifdef ENGINE_DYNAMIC_SUPPORT
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void ENGINE_load_cluster_labs(void)
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ENGINE *cluster_labs = engine_cluster_labs();
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if(!cluster_labs) return;
257
ENGINE_add(cluster_labs);
258
ENGINE_free(cluster_labs);
261
#endif /* !ENGINE_DYNAMIC_SUPPORT */
263
static int cluster_labs_destroy(ENGINE *e)
266
ERR_unload_CL_strings();
272
/* This is a process-global DSO handle used for loading and unloading
273
* the Cluster Labs library. NB: This is only set (or unset) during an
274
* init() or finish() call (reference counts permitting) and they're
275
* operating with global locks, so this should be thread-safe
277
static DSO *cluster_labs_dso = NULL;
279
/* These are the function pointers that are (un)set when the library has
280
* successfully (un)loaded. */
281
static cl_engine_init *p_cl_engine_init = NULL;
282
static cl_mod_exp *p_cl_mod_exp = NULL;
283
static cl_mod_exp_crt *p_cl_mod_exp_crt = NULL;
284
static cl_rsa_mod_exp *p_cl_rsa_mod_exp = NULL;
285
static cl_rsa_priv_enc *p_cl_rsa_priv_enc = NULL;
286
static cl_rsa_priv_dec *p_cl_rsa_priv_dec = NULL;
287
static cl_rsa_pub_enc *p_cl_rsa_pub_enc = NULL;
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static cl_rsa_pub_dec *p_cl_rsa_pub_dec = NULL;
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static cl_rand_bytes *p_cl_rand_bytes = NULL;
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static cl_dsa_sign *p_cl_dsa_sign = NULL;
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static cl_dsa_verify *p_cl_dsa_verify = NULL;
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int cluster_labs_init(ENGINE *e)
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/* engine already loaded */
310
if(cluster_labs_dso != NULL)
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CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_ALREADY_LOADED);
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/* try to load engine */
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cluster_labs_dso = DSO_load(NULL, CLUSTER_LABS_LIB_NAME, NULL,0);
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if(cluster_labs_dso == NULL)
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CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
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if( !(p1 = (cl_engine_init *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F1)) ||
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!(p2 = (cl_mod_exp *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F2)) ||
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!(p3 = (cl_mod_exp_crt *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F3)) ||
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!(p4 = (cl_rsa_mod_exp *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F4)) ||
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!(p5 = (cl_rsa_priv_enc *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F5)) ||
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!(p6 = (cl_rsa_priv_dec *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F6)) ||
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!(p7 = (cl_rsa_pub_enc *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F7)) ||
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!(p8 = (cl_rsa_pub_dec *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F8)) ||
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!(p20= (cl_rand_bytes *)DSO_bind_func(
340
cluster_labs_dso, CLUSTER_LABS_F20)) ||
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!(p30= (cl_dsa_sign *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F30)) ||
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!(p31= (cl_dsa_verify *)DSO_bind_func(
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cluster_labs_dso, CLUSTER_LABS_F31)))
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CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
350
/* copy function pointers */
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p_cl_engine_init = p1;
353
p_cl_mod_exp_crt = p3;
354
p_cl_rsa_mod_exp = p4;
355
p_cl_rsa_priv_enc = p5;
356
p_cl_rsa_priv_dec = p6;
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p_cl_rsa_pub_enc = p7;
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p_cl_rsa_pub_dec = p8;
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p_cl_rand_bytes = p20;
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p_cl_dsa_verify = p31;
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/* cluster labs engine init */
366
if(p_cl_engine_init()== 0){
367
CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_INIT_FAILED);
374
/* reset all pointers */
376
DSO_free(cluster_labs_dso);
378
cluster_labs_dso = NULL;
379
p_cl_engine_init = NULL;
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p_cl_mod_exp_crt = NULL;
382
p_cl_rsa_mod_exp = NULL;
383
p_cl_rsa_priv_enc = NULL;
384
p_cl_rsa_priv_dec = NULL;
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p_cl_rsa_pub_enc = NULL;
386
p_cl_rsa_pub_dec = NULL;
387
p_cl_rand_bytes = NULL;
388
p_cl_dsa_sign = NULL;
389
p_cl_dsa_verify = NULL;
395
static int cluster_labs_finish(ENGINE *e)
398
if(cluster_labs_dso == NULL)
400
CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_NOT_LOADED);
403
if(!DSO_free(cluster_labs_dso))
405
CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_DSO_FAILURE);
409
cluster_labs_dso = NULL;
410
p_cl_engine_init = NULL;
412
p_cl_rsa_mod_exp = NULL;
413
p_cl_mod_exp_crt = NULL;
414
p_cl_rsa_priv_enc = NULL;
415
p_cl_rsa_priv_dec = NULL;
416
p_cl_rsa_pub_enc = NULL;
417
p_cl_rsa_pub_dec = NULL;
418
p_cl_rand_bytes = NULL;
419
p_cl_dsa_sign = NULL;
420
p_cl_dsa_verify = NULL;
426
static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
428
int initialised = ((cluster_labs_dso == NULL) ? 0 : 1);
432
case CLUSTER_LABS_CMD_SO_PATH:
435
CLerr(CL_F_CLUSTER_LABS_CTRL,ERR_R_PASSED_NULL_PARAMETER);
440
CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_ALREADY_LOADED);
443
CLUSTER_LABS_LIB_NAME = (const char *)p;
448
CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_COMMAND_NOT_IMPLEMENTED);
453
static int cluster_labs_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
454
const BIGNUM *m, BN_CTX *ctx)
457
if(cluster_labs_dso == NULL)
459
CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_NOT_LOADED);
462
if(p_cl_mod_exp == NULL)
464
CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
468
return p_cl_mod_exp(r, a, p, m, ctx);
472
static int cluster_labs_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
473
const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
474
const BIGNUM *iqmp, BN_CTX *ctx)
477
if(cluster_labs_dso == NULL)
479
CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_NOT_LOADED);
482
if(p_cl_mod_exp_crt == NULL)
484
CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_FUNCTION_NOT_BINDED);
488
return p_cl_mod_exp_crt(r, a, p, q,dmp1, dmq1, iqmp, ctx);
492
static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
495
if(cluster_labs_dso == NULL)
497
CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_NOT_LOADED);
500
if(p_cl_rsa_mod_exp == NULL)
502
CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
506
return p_cl_rsa_mod_exp(r0, I, rsa);
510
static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
513
if(cluster_labs_dso == NULL)
515
CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_NOT_LOADED);
518
if(p_cl_dsa_sign == NULL)
520
CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_FUNCTION_NOT_BINDED);
524
return p_cl_dsa_sign(dgst, dlen, dsa);
528
static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
529
DSA_SIG *sig, DSA *dsa)
532
if(cluster_labs_dso == NULL)
534
CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_NOT_LOADED);
538
if(p_cl_dsa_verify == NULL)
540
CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_FUNCTION_NOT_BINDED);
544
return p_cl_dsa_verify(dgst, dgst_len, sig, dsa);
548
static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
549
BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
550
BN_CTX *ctx, BN_MONT_CTX *in_mont)
556
/* let rr = a1 ^ p1 mod m */
557
if (!cluster_labs_mod_exp(rr,a1,p1,m,ctx)) goto end;
558
/* let t = a2 ^ p2 mod m */
559
if (!cluster_labs_mod_exp(&t,a2,p2,m,ctx)) goto end;
560
/* let rr = rr * t mod m */
561
if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
570
static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
571
const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
574
return cluster_labs_mod_exp(r, a, p, m, ctx);
577
/* This function is aliased to mod_exp (with the mont stuff dropped). */
578
static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
579
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
581
return cluster_labs_mod_exp(r, a, p, m, ctx);
585
/* This function is aliased to mod_exp (with the dh and mont dropped). */
586
static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
587
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
589
return cluster_labs_mod_exp(r, a, p, m, ctx);
593
static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
594
unsigned char *to, RSA *rsa, int padding)
597
if(cluster_labs_dso == NULL)
599
CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_NOT_LOADED);
602
if(p_cl_rsa_priv_enc == NULL)
604
CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_FUNCTION_NOT_BINDED);
608
return p_cl_rsa_pub_enc(flen, from, to, rsa, padding);
612
static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
613
unsigned char *to, RSA *rsa, int padding)
616
if(cluster_labs_dso == NULL)
618
CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_NOT_LOADED);
621
if(p_cl_rsa_priv_enc == NULL)
623
CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_FUNCTION_NOT_BINDED);
627
return p_cl_rsa_pub_dec(flen, from, to, rsa, padding);
632
static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from,
633
unsigned char *to, RSA *rsa, int padding)
636
if(cluster_labs_dso == NULL)
638
CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_NOT_LOADED);
642
if(p_cl_rsa_priv_enc == NULL)
644
CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_FUNCTION_NOT_BINDED);
648
return p_cl_rsa_priv_enc(flen, from, to, rsa, padding);
652
static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from,
653
unsigned char *to, RSA *rsa, int padding)
656
if(cluster_labs_dso == NULL)
658
CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_NOT_LOADED);
661
if(p_cl_rsa_priv_dec == NULL)
663
CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_FUNCTION_NOT_BINDED);
667
return p_cl_rsa_priv_dec(flen, from, to, rsa, padding);
671
/************************************************************************************
672
* Symmetric algorithms
673
************************************************************************************/
674
/* this will be come soon! */
676
/************************************************************************************
678
************************************************************************************/
680
static int cluster_labs_rand_bytes(unsigned char *buf, int num){
682
if(cluster_labs_dso == NULL)
684
CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_NOT_LOADED);
687
if(p_cl_mod_exp_crt == NULL)
689
CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_FUNCTION_NOT_BINDED);
693
return p_cl_rand_bytes(buf, num);
698
/* This stuff is needed if this ENGINE is being compiled into a self-contained
700
#ifdef ENGINE_DYNAMIC_SUPPORT
701
static int bind_fn(ENGINE *e, const char *id)
703
fprintf(stderr, "bind_fn CLUSTER_LABS\n");
704
if(id && (strcmp(id, engine_cluster_labs_id) != 0)) {
705
fprintf(stderr, "bind_fn return(0) first\n");
708
if(!bind_helper(e)) {
709
fprintf(stderr, "bind_fn return(1) first\n");
712
fprintf(stderr, "bind_fn return(1)\n");
715
IMPLEMENT_DYNAMIC_CHECK_FN()
716
IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
717
#endif /* ENGINE_DYNAMIC_SUPPORT */
719
#endif /* !NO_HW_CLUSTER_LABS */