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Diffstat (limited to 'crypto/engine/hw_nuron.c')
| -rw-r--r-- | crypto/engine/hw_nuron.c | 416 |
1 files changed, 0 insertions, 416 deletions
diff --git a/crypto/engine/hw_nuron.c b/crypto/engine/hw_nuron.c deleted file mode 100644 index 130b6d8..0000000 --- a/crypto/engine/hw_nuron.c +++ /dev/null @@ -1,416 +0,0 @@ -/* crypto/engine/hw_nuron.c */ -/* Written by Ben Laurie for the OpenSSL Project, leaning heavily on Geoff - * Thorpe's Atalla implementation. - */ -/* ==================================================================== - * Copyright (c) 2000-2001 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). - * - */ - -#include <stdio.h> -#include <openssl/crypto.h> -#include "cryptlib.h" -#include <openssl/dso.h> -#include <openssl/engine.h> - - -#ifndef OPENSSL_NO_HW -#ifndef OPENSSL_NO_HW_NURON - -#define NURON_LIB_NAME "nuron engine" -#include "hw_nuron_err.c" - -static const char *NURON_LIBNAME = NULL; -static const char *get_NURON_LIBNAME(void) - { - if(NURON_LIBNAME) - return NURON_LIBNAME; - return "nuronssl"; - } -static void free_NURON_LIBNAME(void) - { - if(NURON_LIBNAME) - OPENSSL_free((void*)NURON_LIBNAME); - NURON_LIBNAME = NULL; - } -static long set_NURON_LIBNAME(const char *name) - { - free_NURON_LIBNAME(); - return (((NURON_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0); - } -static const char *NURON_F1 = "nuron_mod_exp"; - -/* The definitions for control commands specific to this engine */ -#define NURON_CMD_SO_PATH ENGINE_CMD_BASE -static const ENGINE_CMD_DEFN nuron_cmd_defns[] = { - {NURON_CMD_SO_PATH, - "SO_PATH", - "Specifies the path to the 'nuronssl' shared library", - ENGINE_CMD_FLAG_STRING}, - {0, NULL, NULL, 0} - }; - -typedef int tfnModExp(BIGNUM *r,const BIGNUM *a,const BIGNUM *p,const BIGNUM *m); -static tfnModExp *pfnModExp = NULL; - -static DSO *pvDSOHandle = NULL; - -static int nuron_destroy(ENGINE *e) - { - free_NURON_LIBNAME(); - ERR_unload_NURON_strings(); - return 1; - } - -static int nuron_init(ENGINE *e) - { - if(pvDSOHandle != NULL) - { - NURONerr(NURON_F_NURON_INIT,NURON_R_ALREADY_LOADED); - return 0; - } - - pvDSOHandle = DSO_load(NULL, get_NURON_LIBNAME(), NULL, - DSO_FLAG_NAME_TRANSLATION_EXT_ONLY); - if(!pvDSOHandle) - { - NURONerr(NURON_F_NURON_INIT,NURON_R_DSO_NOT_FOUND); - return 0; - } - - pfnModExp = (tfnModExp *)DSO_bind_func(pvDSOHandle, NURON_F1); - if(!pfnModExp) - { - NURONerr(NURON_F_NURON_INIT,NURON_R_DSO_FUNCTION_NOT_FOUND); - return 0; - } - - return 1; - } - -static int nuron_finish(ENGINE *e) - { - free_NURON_LIBNAME(); - if(pvDSOHandle == NULL) - { - NURONerr(NURON_F_NURON_FINISH,NURON_R_NOT_LOADED); - return 0; - } - if(!DSO_free(pvDSOHandle)) - { - NURONerr(NURON_F_NURON_FINISH,NURON_R_DSO_FAILURE); - return 0; - } - pvDSOHandle=NULL; - pfnModExp=NULL; - return 1; - } - -static int nuron_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()) - { - int initialised = ((pvDSOHandle == NULL) ? 0 : 1); - switch(cmd) - { - case NURON_CMD_SO_PATH: - if(p == NULL) - { - NURONerr(NURON_F_NURON_CTRL,ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - if(initialised) - { - NURONerr(NURON_F_NURON_CTRL,NURON_R_ALREADY_LOADED); - return 0; - } - return set_NURON_LIBNAME((const char *)p); - default: - break; - } - NURONerr(NURON_F_NURON_CTRL,NURON_R_CTRL_COMMAND_NOT_IMPLEMENTED); - return 0; -} - -static int nuron_mod_exp(BIGNUM *r,const BIGNUM *a,const BIGNUM *p, - const BIGNUM *m,BN_CTX *ctx) - { - if(!pvDSOHandle) - { - NURONerr(NURON_F_NURON_MOD_EXP,NURON_R_NOT_LOADED); - return 0; - } - return pfnModExp(r,a,p,m); - } - -#ifndef OPENSSL_NO_RSA -static int nuron_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa) - { - return nuron_mod_exp(r0,I,rsa->d,rsa->n,NULL); - } -#endif - -#ifndef OPENSSL_NO_DSA -/* This code was liberated and adapted from the commented-out code in - * dsa_ossl.c. Because of the unoptimised form of the Atalla acceleration - * (it doesn't have a CRT form for RSA), this function means that an - * Atalla system running with a DSA server certificate can handshake - * around 5 or 6 times faster/more than an equivalent system running with - * RSA. Just check out the "signs" statistics from the RSA and DSA parts - * of "openssl speed -engine atalla dsa1024 rsa1024". */ -static int nuron_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 to_return = 0; - - BN_init(&t); - /* let rr = a1 ^ p1 mod m */ - if (!nuron_mod_exp(rr,a1,p1,m,ctx)) - goto end; - /* let t = a2 ^ p2 mod m */ - if (!nuron_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; - to_return = 1; -end: - BN_free(&t); - return to_return; - } - - -static int nuron_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx) - { - return nuron_mod_exp(r, a, p, m, ctx); - } -#endif - -/* This function is aliased to mod_exp (with the mont stuff dropped). */ -static int nuron_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx) - { - return nuron_mod_exp(r, a, p, m, ctx); - } - -#ifndef OPENSSL_NO_DH -/* This function is aliased to mod_exp (with the dh and mont dropped). */ -static int nuron_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 nuron_mod_exp(r, a, p, m, ctx); - } -#endif - -#ifndef OPENSSL_NO_RSA -static RSA_METHOD nuron_rsa = - { - "Nuron RSA method", - NULL, - NULL, - NULL, - NULL, - nuron_rsa_mod_exp, - nuron_mod_exp_mont, - NULL, - NULL, - 0, - NULL, - NULL, - NULL - }; -#endif - -#ifndef OPENSSL_NO_DSA -static DSA_METHOD nuron_dsa = - { - "Nuron DSA method", - NULL, /* dsa_do_sign */ - NULL, /* dsa_sign_setup */ - NULL, /* dsa_do_verify */ - nuron_dsa_mod_exp, /* dsa_mod_exp */ - nuron_mod_exp_dsa, /* bn_mod_exp */ - NULL, /* init */ - NULL, /* finish */ - 0, /* flags */ - NULL /* app_data */ - }; -#endif - -#ifndef OPENSSL_NO_DH -static DH_METHOD nuron_dh = - { - "Nuron DH method", - NULL, - NULL, - nuron_mod_exp_dh, - NULL, - NULL, - 0, - NULL - }; -#endif - -/* Constants used when creating the ENGINE */ -static const char *engine_nuron_id = "nuron"; -static const char *engine_nuron_name = "Nuron hardware engine support"; - -/* This internal function is used by ENGINE_nuron() and possibly by the - * "dynamic" ENGINE support too */ -static int bind_helper(ENGINE *e) - { -#ifndef OPENSSL_NO_RSA - const RSA_METHOD *meth1; -#endif -#ifndef OPENSSL_NO_DSA - const DSA_METHOD *meth2; -#endif -#ifndef OPENSSL_NO_DH - const DH_METHOD *meth3; -#endif - if(!ENGINE_set_id(e, engine_nuron_id) || - !ENGINE_set_name(e, engine_nuron_name) || -#ifndef OPENSSL_NO_RSA - !ENGINE_set_RSA(e, &nuron_rsa) || -#endif -#ifndef OPENSSL_NO_DSA - !ENGINE_set_DSA(e, &nuron_dsa) || -#endif -#ifndef OPENSSL_NO_DH - !ENGINE_set_DH(e, &nuron_dh) || -#endif - !ENGINE_set_destroy_function(e, nuron_destroy) || - !ENGINE_set_init_function(e, nuron_init) || - !ENGINE_set_finish_function(e, nuron_finish) || - !ENGINE_set_ctrl_function(e, nuron_ctrl) || - !ENGINE_set_cmd_defns(e, nuron_cmd_defns)) - return 0; - -#ifndef OPENSSL_NO_RSA - /* We know that the "PKCS1_SSLeay()" functions hook properly - * to the nuron-specific mod_exp and mod_exp_crt so we use - * those functions. NB: We don't use ENGINE_openssl() or - * anything "more generic" because something like the RSAref - * code may not hook properly, and if you own one of these - * cards then you have the right to do RSA operations on it - * anyway! */ - meth1=RSA_PKCS1_SSLeay(); - nuron_rsa.rsa_pub_enc=meth1->rsa_pub_enc; - nuron_rsa.rsa_pub_dec=meth1->rsa_pub_dec; - nuron_rsa.rsa_priv_enc=meth1->rsa_priv_enc; - nuron_rsa.rsa_priv_dec=meth1->rsa_priv_dec; -#endif - -#ifndef OPENSSL_NO_DSA - /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish - * bits. */ - meth2=DSA_OpenSSL(); - nuron_dsa.dsa_do_sign=meth2->dsa_do_sign; - nuron_dsa.dsa_sign_setup=meth2->dsa_sign_setup; - nuron_dsa.dsa_do_verify=meth2->dsa_do_verify; -#endif - -#ifndef OPENSSL_NO_DH - /* Much the same for Diffie-Hellman */ - meth3=DH_OpenSSL(); - nuron_dh.generate_key=meth3->generate_key; - nuron_dh.compute_key=meth3->compute_key; -#endif - - /* Ensure the nuron error handling is set up */ - ERR_load_NURON_strings(); - return 1; - } - -static ENGINE *engine_nuron(void) - { - ENGINE *ret = ENGINE_new(); - if(!ret) - return NULL; - if(!bind_helper(ret)) - { - ENGINE_free(ret); - return NULL; - } - return ret; - } - -void ENGINE_load_nuron(void) - { - /* Copied from eng_[openssl|dyn].c */ - ENGINE *toadd = engine_nuron(); - if(!toadd) return; - ENGINE_add(toadd); - ENGINE_free(toadd); - ERR_clear_error(); - } - -/* 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) - { - if(id && (strcmp(id, engine_nuron_id) != 0)) - return 0; - if(!bind_helper(e)) - return 0; - return 1; - } -IMPLEMENT_DYNAMIC_CHECK_FN() -IMPLEMENT_DYNAMIC_BIND_FN(bind_fn) -#endif /* ENGINE_DYNAMIC_SUPPORT */ - -#endif /* !OPENSSL_NO_HW_NURON */ -#endif /* !OPENSSL_NO_HW */ |