693 lines
22 KiB
C
693 lines
22 KiB
C
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/* crypto/engine/hw_cluster_labs.c */
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/*
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* Written by Jan Tschirschwitz (jan.tschirschwitz@cluster-labs.com for the
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* OpenSSL project 2000.
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*/
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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*
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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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* are met:
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*
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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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*
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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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* distribution.
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*
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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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*
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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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*
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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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*
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* 6. Redistributions of any form whatsoever must retain the following
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* 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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*
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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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*
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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).
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*
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*/
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#define MSC_VER /* only used cryptic.h */
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#include <stdio.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>
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#include <openssl/engine.h>
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#ifndef NO_HW
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# ifndef NO_HW_CLUSTER_LABS
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# ifdef FLAT_INC
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# include "cluster_labs.h"
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# else
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# include "vendor_defns/cluster_labs.h"
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# endif
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# define CL_LIB_NAME "cluster_labs engine"
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# include "hw_cluster_labs_err.c"
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static int cluster_labs_destroy(ENGINE *e);
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static int cluster_labs_init(ENGINE *e);
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static int cluster_labs_finish(ENGINE *e);
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static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p,
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void (*f) ());
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/* BIGNUM stuff */
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/* This function is aliased to mod_exp (with the mont stuff dropped). */
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static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a,
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const BIGNUM *p, const BIGNUM *m,
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BN_CTX *ctx, BN_MONT_CTX *m_ctx);
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/* RSA stuff */
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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,
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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,
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int padding);
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static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
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# endif
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/* DSA stuff */
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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,
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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,
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BIGNUM *m, BN_CTX *ctx,
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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,
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BN_CTX *ctx, BN_MONT_CTX *m_ctx);
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# endif
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/* DH stuff */
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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,
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const BIGNUM *p, const BIGNUM *m,
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BN_CTX *ctx, BN_MONT_CTX *m_ctx);
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# endif
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/* RANDOM stuff */
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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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"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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{0, NULL, NULL, 0}
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};
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/* Our internal RSA_METHOD that we provide pointers to */
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# 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, /* init */
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NULL, /* finish */
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0, /* flags */
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NULL, /* apps_data */
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NULL, /* rsa_sign */
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NULL /* rsa_verify */
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};
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# endif
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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 */
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NULL, /* init */
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NULL, /* finish */
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0, /* flags */
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NULL /* app_data */
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};
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# endif
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/* Our internal DH_METHOD that we provide pointers to */
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# 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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NULL, /* init */
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NULL, /* finish */
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0, /* flags */
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NULL /* app_data */
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};
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# endif
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static RAND_METHOD cluster_labs_rand = {
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/* "Cluster Labs RAND method", */
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NULL, /* seed */
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cluster_labs_rand_bytes, /* bytes */
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NULL, /* cleanup */
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NULL, /* add */
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cluster_labs_rand_bytes, /* pseudorand */
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NULL, /* status */
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};
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static const char *engine_cluster_labs_id = "cluster_labs";
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static const char *engine_cluster_labs_name =
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"Cluster Labs hardware engine support";
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/* engine implementation */
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/* ---------------------*/
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static int bind_helper(ENGINE *e)
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{
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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
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!ENGINE_set_RSA(e, &cluster_labs_rsa) ||
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# endif
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# ifndef OPENSSL_NO_DSA
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!ENGINE_set_DSA(e, &cluster_labs_dsa) ||
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# endif
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# ifndef OPENSSL_NO_DH
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!ENGINE_set_DH(e, &cluster_labs_dh) ||
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# endif
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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))
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return 0;
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/* Ensure the error handling is set up */
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ERR_load_CL_strings();
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return 1;
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}
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# ifndef ENGINE_DYNAMIC_SUPPORT
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static ENGINE *engine_cluster_labs(void)
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{
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ENGINE *ret = ENGINE_new();
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if (!ret)
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return NULL;
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if (!bind_helper(ret)) {
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ENGINE_free(ret);
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return NULL;
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}
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return ret;
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}
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# ifdef ENGINE_DYNAMIC_SUPPORT
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static
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# endif
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void ENGINE_load_cluster_labs(void)
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{
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ENGINE *cluster_labs = engine_cluster_labs();
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if (!cluster_labs)
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return;
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ENGINE_add(cluster_labs);
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ENGINE_free(cluster_labs);
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ERR_clear_error();
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}
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# endif /* !ENGINE_DYNAMIC_SUPPORT */
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static int cluster_labs_destroy(ENGINE *e)
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{
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ERR_unload_CL_strings();
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return 1;
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}
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/*
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* This is a process-global DSO handle used for loading and unloading the
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* Cluster Labs library. NB: This is only set (or unset) during an init() or
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* finish() call (reference counts permitting) and they're operating with
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* global locks, so this should be thread-safe implicitly.
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*/
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static DSO *cluster_labs_dso = NULL;
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/*
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* These are the function pointers that are (un)set when the library has
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* successfully (un)loaded.
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*/
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static cl_engine_init *p_cl_engine_init = NULL;
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static cl_mod_exp *p_cl_mod_exp = NULL;
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static cl_mod_exp_crt *p_cl_mod_exp_crt = NULL;
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static cl_rsa_mod_exp *p_cl_rsa_mod_exp = NULL;
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static cl_rsa_priv_enc *p_cl_rsa_priv_enc = NULL;
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static cl_rsa_priv_dec *p_cl_rsa_priv_dec = NULL;
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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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{
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cl_engine_init *p1;
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cl_mod_exp *p2;
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cl_mod_exp_crt *p3;
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cl_rsa_mod_exp *p4;
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cl_rsa_priv_enc *p5;
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cl_rsa_priv_dec *p6;
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cl_rsa_pub_enc *p7;
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cl_rsa_pub_dec *p8;
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cl_rand_bytes *p20;
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cl_dsa_sign *p30;
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cl_dsa_verify *p31;
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/* engine already loaded */
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if (cluster_labs_dso != NULL) {
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CLerr(CL_F_CLUSTER_LABS_INIT, CL_R_ALREADY_LOADED);
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goto err;
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}
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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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goto err;
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}
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/* bind functions */
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if (!
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(p1 =
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(cl_engine_init *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F1))
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|| !(p2 = (cl_mod_exp *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F2))
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|| !(p3 = (cl_mod_exp_crt *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F3))
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|| !(p4 = (cl_rsa_mod_exp *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F4))
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|| !(p5 =
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(cl_rsa_priv_enc *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F5))
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|| !(p6 =
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(cl_rsa_priv_dec *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F6))
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|| !(p7 = (cl_rsa_pub_enc *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F7))
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|| !(p8 = (cl_rsa_pub_dec *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F8))
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|| !(p20 =
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(cl_rand_bytes *) DSO_bind_func(cluster_labs_dso, CLUSTER_LABS_F20))
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|
|
|| !(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 */
|