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Diffstat (limited to 'engines/e_nuron.c')
| -rw-r--r-- | engines/e_nuron.c | 435 |
1 files changed, 0 insertions, 435 deletions
diff --git a/engines/e_nuron.c b/engines/e_nuron.c deleted file mode 100644 index 01229b0428..0000000000 --- a/engines/e_nuron.c +++ /dev/null @@ -1,435 +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 <string.h> -#include <openssl/crypto.h> -#include <openssl/buffer.h> -#include <openssl/dso.h> -#include <openssl/engine.h> -#ifndef OPENSSL_NO_RSA -# include <openssl/rsa.h> -#endif -#ifndef OPENSSL_NO_DSA -# include <openssl/dsa.h> -#endif -#ifndef OPENSSL_NO_DH -# include <openssl/dh.h> -#endif -#include <openssl/bn.h> - -#ifndef OPENSSL_NO_HW -# ifndef OPENSSL_NO_HW_NURON - -# define NURON_LIB_NAME "nuron engine" -# include "e_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) -{ - OPENSSL_free(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) (void)) -{ - 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, - BN_CTX *ctx) -{ - return nuron_mod_exp(r0, I, rsa->d, rsa->n, ctx); -} -# 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). */ -# ifndef OPENSSL_NO_RSA -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); -} -# endif - -# 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, - 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 */ - NULL, /* dsa_paramgen */ - NULL /* dsa_keygen */ -}; -# endif - -# ifndef OPENSSL_NO_DH -static DH_METHOD nuron_dh = { - "Nuron DH method", - NULL, - NULL, - nuron_mod_exp_dh, - NULL, - NULL, - 0, - NULL, - 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; -} - -# ifdef OPENSSL_NO_DYNAMIC_ENGINE -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(); -} -# endif - -/* - * This stuff is needed if this ENGINE is being compiled into a - * self-contained shared-library. - */ -# ifndef OPENSSL_NO_DYNAMIC_ENGINE -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 /* OPENSSL_NO_DYNAMIC_ENGINE */ -# endif /* !OPENSSL_NO_HW_NURON */ -#endif /* !OPENSSL_NO_HW */ |