From 64fcbc70db16b1c94d818662746bb0e9c4fdb705 Mon Sep 17 00:00:00 2001 From: simon Date: Sat, 23 Aug 2008 10:51:00 +0000 Subject: Flatten OpenSSL vendor tree. --- crypto/openssl/engines/e_gmp.c | 435 ----------------------------------------- 1 file changed, 435 deletions(-) delete mode 100644 crypto/openssl/engines/e_gmp.c (limited to 'crypto/openssl/engines/e_gmp.c') diff --git a/crypto/openssl/engines/e_gmp.c b/crypto/openssl/engines/e_gmp.c deleted file mode 100644 index 39da65f..0000000 --- a/crypto/openssl/engines/e_gmp.c +++ /dev/null @@ -1,435 +0,0 @@ -/* crypto/engine/e_gmp.c */ -/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL - * project 2003. - */ -/* ==================================================================== - * Copyright (c) 1999-2001 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). - * - */ - -/* This engine is not (currently) compiled in by default. Do enable it, - * reconfigure OpenSSL with "-DOPENSSL_USE_GMP -lgmp". The GMP libraries and - * headers must reside in one of the paths searched by the compiler/linker, - * otherwise paths must be specified - eg. try configuring with - * "-DOPENSSL_USE_GMP -I -L -lgmp". YMMV. */ - -/* As for what this does - it's a largely unoptimised implementation of an - * ENGINE that uses the GMP library to perform RSA private key operations. To - * obtain more information about what "unoptimised" means, see my original mail - * on the subject (though ignore the build instructions which have since - * changed); - * - * http://www.mail-archive.com/openssl-dev@openssl.org/msg12227.html - * - * On my athlon system at least, it appears the builtin OpenSSL code is now - * slightly faster, which is to say that the RSA-related MPI performance - * between OpenSSL's BIGNUM and GMP's mpz implementations is probably pretty - * balanced for this chip, and so the performance degradation in this ENGINE by - * having to convert to/from GMP formats (and not being able to cache - * montgomery forms) is probably the difference. However, if some unconfirmed - * reports from users is anything to go by, the situation on some other - * chipsets might be a good deal more favourable to the GMP version (eg. PPC). - * Feedback welcome. */ - -#include -#include -#include -#include -#include - -#ifndef OPENSSL_NO_HW -#if defined(OPENSSL_USE_GMP) && !defined(OPENSSL_NO_HW_GMP) - -#include - -#define E_GMP_LIB_NAME "gmp engine" -#include "e_gmp_err.c" - -static int e_gmp_destroy(ENGINE *e); -static int e_gmp_init(ENGINE *e); -static int e_gmp_finish(ENGINE *e); -static int e_gmp_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)); - -#ifndef OPENSSL_NO_RSA -/* RSA stuff */ -static int e_gmp_rsa_mod_exp(BIGNUM *r, const BIGNUM *I, RSA *rsa, BN_CTX *ctx); -static int e_gmp_rsa_finish(RSA *r); -#endif - -/* The definitions for control commands specific to this engine */ -/* #define E_GMP_CMD_SO_PATH ENGINE_CMD_BASE */ -static const ENGINE_CMD_DEFN e_gmp_cmd_defns[] = { -#if 0 - {E_GMP_CMD_SO_PATH, - "SO_PATH", - "Specifies the path to the 'e_gmp' shared library", - ENGINE_CMD_FLAG_STRING}, -#endif - {0, NULL, NULL, 0} - }; - -#ifndef OPENSSL_NO_RSA -/* Our internal RSA_METHOD that we provide pointers to */ -static RSA_METHOD e_gmp_rsa = - { - "GMP RSA method", - NULL, - NULL, - NULL, - NULL, - e_gmp_rsa_mod_exp, - NULL, - NULL, - e_gmp_rsa_finish, - /* These flags initialise montgomery crud that GMP ignores, however it - * makes sure the public key ops (which are done in openssl) don't seem - * *slower* than usual :-) */ - RSA_FLAG_CACHE_PUBLIC|RSA_FLAG_CACHE_PRIVATE, - NULL, - NULL, - NULL - }; -#endif - -/* Constants used when creating the ENGINE */ -static const char *engine_e_gmp_id = "gmp"; -static const char *engine_e_gmp_name = "GMP engine support"; - -/* This internal function is used by ENGINE_gmp() and possibly by the - * "dynamic" ENGINE support too */ -static int bind_helper(ENGINE *e) - { -#ifndef OPENSSL_NO_RSA - const RSA_METHOD *meth1; -#endif - if(!ENGINE_set_id(e, engine_e_gmp_id) || - !ENGINE_set_name(e, engine_e_gmp_name) || -#ifndef OPENSSL_NO_RSA - !ENGINE_set_RSA(e, &e_gmp_rsa) || -#endif - !ENGINE_set_destroy_function(e, e_gmp_destroy) || - !ENGINE_set_init_function(e, e_gmp_init) || - !ENGINE_set_finish_function(e, e_gmp_finish) || - !ENGINE_set_ctrl_function(e, e_gmp_ctrl) || - !ENGINE_set_cmd_defns(e, e_gmp_cmd_defns)) - return 0; - -#ifndef OPENSSL_NO_RSA - meth1 = RSA_PKCS1_SSLeay(); - e_gmp_rsa.rsa_pub_enc = meth1->rsa_pub_enc; - e_gmp_rsa.rsa_pub_dec = meth1->rsa_pub_dec; - e_gmp_rsa.rsa_priv_enc = meth1->rsa_priv_enc; - e_gmp_rsa.rsa_priv_dec = meth1->rsa_priv_dec; - e_gmp_rsa.bn_mod_exp = meth1->bn_mod_exp; -#endif - - /* Ensure the e_gmp error handling is set up */ - ERR_load_GMP_strings(); - return 1; - } - -static ENGINE *engine_gmp(void) - { - ENGINE *ret = ENGINE_new(); - if(!ret) - return NULL; - if(!bind_helper(ret)) - { - ENGINE_free(ret); - return NULL; - } - return ret; - } - -void ENGINE_load_gmp(void) - { - /* Copied from eng_[openssl|dyn].c */ - ENGINE *toadd = engine_gmp(); - if(!toadd) return; - ENGINE_add(toadd); - ENGINE_free(toadd); - ERR_clear_error(); - } - -#ifndef OPENSSL_NO_RSA -/* Used to attach our own key-data to an RSA structure */ -static int hndidx_rsa = -1; -#endif - -static int e_gmp_destroy(ENGINE *e) - { - ERR_unload_GMP_strings(); - return 1; - } - -/* (de)initialisation functions. */ -static int e_gmp_init(ENGINE *e) - { -#ifndef OPENSSL_NO_RSA - if (hndidx_rsa == -1) - hndidx_rsa = RSA_get_ex_new_index(0, - "GMP-based RSA key handle", - NULL, NULL, NULL); -#endif - if (hndidx_rsa == -1) - return 0; - return 1; - } - -static int e_gmp_finish(ENGINE *e) - { - return 1; - } - -static int e_gmp_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)) - { - int to_return = 1; - - switch(cmd) - { -#if 0 - case E_GMP_CMD_SO_PATH: - /* ... */ -#endif - /* The command isn't understood by this engine */ - default: - GMPerr(GMP_F_E_GMP_CTRL, - GMP_R_CTRL_COMMAND_NOT_IMPLEMENTED); - to_return = 0; - break; - } - - return to_return; - } - -/* HACK - use text I/O functions in openssl and GMP to handle conversions. This - * is vile. */ -static int bn2gmp(const BIGNUM *bn, mpz_t g) - { - int toret; - char *tmpchar = BN_bn2hex(bn); - if(!tmpchar) return 0; - toret = (mpz_set_str(g, tmpchar, 16) == 0 ? 1 : 0); - OPENSSL_free(tmpchar); - return toret; - } - -static int gmp2bn(mpz_t g, BIGNUM *bn) - { - int toret; - char *tmpchar = OPENSSL_malloc(mpz_sizeinbase(g, 16) + 10); - if(!tmpchar) return 0; - mpz_get_str(tmpchar, 16, g); - toret = BN_hex2bn(&bn, tmpchar); - OPENSSL_free(tmpchar); - return toret; - } - -#ifndef OPENSSL_NO_RSA -typedef struct st_e_gmp_rsa_ctx - { - int public_only; - mpz_t n; - mpz_t d; - mpz_t e; - mpz_t p; - mpz_t q; - mpz_t dmp1; - mpz_t dmq1; - mpz_t iqmp; - mpz_t r0, r1, I0, m1; - } E_GMP_RSA_CTX; - -static E_GMP_RSA_CTX *e_gmp_get_rsa(RSA *rsa) - { - E_GMP_RSA_CTX *hptr = RSA_get_ex_data(rsa, hndidx_rsa); - if(hptr) return hptr; - hptr = OPENSSL_malloc(sizeof(E_GMP_RSA_CTX)); - if(!hptr) return NULL; - /* These inits could probably be replaced by more intelligent - * mpz_init2() versions, to reduce malloc-thrashing. */ - mpz_init(hptr->n); - mpz_init(hptr->d); - mpz_init(hptr->e); - mpz_init(hptr->p); - mpz_init(hptr->q); - mpz_init(hptr->dmp1); - mpz_init(hptr->dmq1); - mpz_init(hptr->iqmp); - mpz_init(hptr->r0); - mpz_init(hptr->r1); - mpz_init(hptr->I0); - mpz_init(hptr->m1); - if(!bn2gmp(rsa->n, hptr->n) || !bn2gmp(rsa->e, hptr->e)) - goto err; - if(!rsa->p || !rsa->q || !rsa->d || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) - { - hptr->public_only = 1; - return hptr; - } - if(!bn2gmp(rsa->d, hptr->d) || !bn2gmp(rsa->p, hptr->p) || - !bn2gmp(rsa->q, hptr->q) || !bn2gmp(rsa->dmp1, hptr->dmp1) || - !bn2gmp(rsa->dmq1, hptr->dmq1) || !bn2gmp(rsa->iqmp, hptr->iqmp)) - goto err; - hptr->public_only = 0; - RSA_set_ex_data(rsa, hndidx_rsa, hptr); - return hptr; -err: - mpz_clear(hptr->n); - mpz_clear(hptr->d); - mpz_clear(hptr->e); - mpz_clear(hptr->p); - mpz_clear(hptr->q); - mpz_clear(hptr->dmp1); - mpz_clear(hptr->dmq1); - mpz_clear(hptr->iqmp); - mpz_clear(hptr->r0); - mpz_clear(hptr->r1); - mpz_clear(hptr->I0); - mpz_clear(hptr->m1); - OPENSSL_free(hptr); - return NULL; - } - -static int e_gmp_rsa_finish(RSA *rsa) - { - E_GMP_RSA_CTX *hptr = RSA_get_ex_data(rsa, hndidx_rsa); - if(!hptr) return 0; - mpz_clear(hptr->n); - mpz_clear(hptr->d); - mpz_clear(hptr->e); - mpz_clear(hptr->p); - mpz_clear(hptr->q); - mpz_clear(hptr->dmp1); - mpz_clear(hptr->dmq1); - mpz_clear(hptr->iqmp); - mpz_clear(hptr->r0); - mpz_clear(hptr->r1); - mpz_clear(hptr->I0); - mpz_clear(hptr->m1); - OPENSSL_free(hptr); - RSA_set_ex_data(rsa, hndidx_rsa, NULL); - return 1; - } - -static int e_gmp_rsa_mod_exp(BIGNUM *r, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) - { - E_GMP_RSA_CTX *hptr; - int to_return = 0; - - hptr = e_gmp_get_rsa(rsa); - if(!hptr) - { - GMPerr(GMP_F_E_GMP_RSA_MOD_EXP, - GMP_R_KEY_CONTEXT_ERROR); - return 0; - } - if(hptr->public_only) - { - GMPerr(GMP_F_E_GMP_RSA_MOD_EXP, - GMP_R_MISSING_KEY_COMPONENTS); - return 0; - } - - /* ugh!!! */ - if(!bn2gmp(I, hptr->I0)) - return 0; - - /* This is basically the CRT logic in crypto/rsa/rsa_eay.c reworded into - * GMP-speak. It may be that GMP's API facilitates cleaner formulations - * of this stuff, eg. better handling of negatives, or functions that - * combine operations. */ - - mpz_mod(hptr->r1, hptr->I0, hptr->q); - mpz_powm(hptr->m1, hptr->r1, hptr->dmq1, hptr->q); - - mpz_mod(hptr->r1, hptr->I0, hptr->p); - mpz_powm(hptr->r0, hptr->r1, hptr->dmp1, hptr->p); - - mpz_sub(hptr->r0, hptr->r0, hptr->m1); - - if(mpz_sgn(hptr->r0) < 0) - mpz_add(hptr->r0, hptr->r0, hptr->p); - mpz_mul(hptr->r1, hptr->r0, hptr->iqmp); - mpz_mod(hptr->r0, hptr->r1, hptr->p); - - if(mpz_sgn(hptr->r0) < 0) - mpz_add(hptr->r0, hptr->r0, hptr->p); - mpz_mul(hptr->r1, hptr->r0, hptr->q); - mpz_add(hptr->r0, hptr->r1, hptr->m1); - - /* ugh!!! */ - if(gmp2bn(hptr->r0, r)) - to_return = 1; - - return 1; - } -#endif - -/* 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_e_gmp_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_GMP */ -#endif /* !OPENSSL_NO_HW */ - -- cgit v1.1