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authorcvs2svn <cvs2svn>2000-11-07 14:49:47 +0100
committercvs2svn <cvs2svn>2000-11-07 14:49:47 +0100
commit9d98df23f38afa21e159d910335b49fb196206e8 (patch)
tree97be0cb87a26df5765d335516956ef80d008b554 /crypto/engine/hw_atalla.c
parentA few more constifications of some RSA routines that I forgot (diff)
downloadopenssl-rsaref.tar.gz
openssl-rsaref.zip
This commit was manufactured by cvs2svn to create tag 'rsaref'.rsaref
Diffstat (limited to 'crypto/engine/hw_atalla.c')
-rw-r--r--crypto/engine/hw_atalla.c443
1 files changed, 0 insertions, 443 deletions
diff --git a/crypto/engine/hw_atalla.c b/crypto/engine/hw_atalla.c
deleted file mode 100644
index 30e5634c718..00000000000
--- a/crypto/engine/hw_atalla.c
+++ /dev/null
@@ -1,443 +0,0 @@
-/* crypto/engine/hw_atalla.c */
-/* Written by Geoff Thorpe ([email protected]) for the OpenSSL
- * project 2000.
- */
-/* ====================================================================
- * Copyright (c) 1999 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
- *
- * 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
- * ([email protected]). This product includes software written by Tim
- * Hudson ([email protected]).
- *
- */
-
-#include <stdio.h>
-#include <openssl/crypto.h>
-#include "cryptlib.h"
-#include <openssl/dso.h>
-#include "engine_int.h"
-#include <openssl/engine.h>
-
-#ifndef NO_HW
-#ifndef NO_HW_ATALLA
-
-#ifdef FLAT_INC
-#include "atalla.h"
-#else
-#include "vendor_defns/atalla.h"
-#endif
-
-static int atalla_init(void);
-static int atalla_finish(void);
-
-/* BIGNUM stuff */
-static int atalla_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx);
-
-/* RSA stuff */
-static int atalla_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
-/* This function is aliased to mod_exp (with the mont stuff dropped). */
-static int atalla_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
-
-/* DSA stuff */
-static int atalla_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);
-static int atalla_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
- const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
- BN_MONT_CTX *m_ctx);
-
-/* DH stuff */
-/* This function is alised to mod_exp (with the DH and mont dropped). */
-static int atalla_mod_exp_dh(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
-
-
-/* Our internal RSA_METHOD that we provide pointers to */
-static RSA_METHOD atalla_rsa =
- {
- "Atalla RSA method",
- NULL,
- NULL,
- NULL,
- NULL,
- atalla_rsa_mod_exp,
- atalla_mod_exp_mont,
- NULL,
- NULL,
- 0,
- NULL,
- NULL,
- NULL
- };
-
-/* Our internal DSA_METHOD that we provide pointers to */
-static DSA_METHOD atalla_dsa =
- {
- "Atalla DSA method",
- NULL, /* dsa_do_sign */
- NULL, /* dsa_sign_setup */
- NULL, /* dsa_do_verify */
- atalla_dsa_mod_exp, /* dsa_mod_exp */
- atalla_mod_exp_dsa, /* bn_mod_exp */
- NULL, /* init */
- NULL, /* finish */
- 0, /* flags */
- NULL /* app_data */
- };
-
-/* Our internal DH_METHOD that we provide pointers to */
-static DH_METHOD atalla_dh =
- {
- "Atalla DH method",
- NULL,
- NULL,
- atalla_mod_exp_dh,
- NULL,
- NULL,
- 0,
- NULL
- };
-
-/* Our ENGINE structure. */
-static ENGINE engine_atalla =
- {
- "atalla",
- "Atalla hardware engine support",
- &atalla_rsa,
- &atalla_dsa,
- &atalla_dh,
- NULL,
- atalla_mod_exp,
- NULL,
- atalla_init,
- atalla_finish,
- NULL, /* no ctrl() */
- NULL, /* no load_privkey() */
- NULL, /* no load_pubkey() */
- 0, /* no flags */
- 0, 0, /* no references */
- NULL, NULL /* unlinked */
- };
-
-/* As this is only ever called once, there's no need for locking
- * (indeed - the lock will already be held by our caller!!!) */
-ENGINE *ENGINE_atalla()
- {
- RSA_METHOD *meth1;
- DSA_METHOD *meth2;
- DH_METHOD *meth3;
-
- /* We know that the "PKCS1_SSLeay()" functions hook properly
- * to the atalla-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();
- atalla_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
- atalla_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
- atalla_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
- atalla_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
-
- /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
- * bits. */
- meth2 = DSA_OpenSSL();
- atalla_dsa.dsa_do_sign = meth2->dsa_do_sign;
- atalla_dsa.dsa_sign_setup = meth2->dsa_sign_setup;
- atalla_dsa.dsa_do_verify = meth2->dsa_do_verify;
-
- /* Much the same for Diffie-Hellman */
- meth3 = DH_OpenSSL();
- atalla_dh.generate_key = meth3->generate_key;
- atalla_dh.compute_key = meth3->compute_key;
- return &engine_atalla;
- }
-
-/* This is a process-global DSO handle used for loading and unloading
- * the Atalla library. NB: This is only set (or unset) during an
- * init() or finish() call (reference counts permitting) and they're
- * operating with global locks, so this should be thread-safe
- * implicitly. */
-static DSO *atalla_dso = NULL;
-
-/* These are the function pointers that are (un)set when the library has
- * successfully (un)loaded. */
-static tfnASI_GetHardwareConfig *p_Atalla_GetHardwareConfig = NULL;
-static tfnASI_RSAPrivateKeyOpFn *p_Atalla_RSAPrivateKeyOpFn = NULL;
-static tfnASI_GetPerformanceStatistics *p_Atalla_GetPerformanceStatistics = NULL;
-
-/* (de)initialisation functions. */
-static int atalla_init()
- {
- tfnASI_GetHardwareConfig *p1;
- tfnASI_RSAPrivateKeyOpFn *p2;
- tfnASI_GetPerformanceStatistics *p3;
- /* Not sure of the origin of this magic value, but Ben's code had it
- * and it seemed to have been working for a few people. :-) */
- unsigned int config_buf[1024];
-
- if(atalla_dso != NULL)
- {
- ENGINEerr(ENGINE_F_ATALLA_INIT,ENGINE_R_ALREADY_LOADED);
- goto err;
- }
- /* Attempt to load libatasi.so/atasi.dll/whatever. Needs to be
- * changed unfortunately because the Atalla drivers don't have
- * standard library names that can be platform-translated well. */
- /* TODO: Work out how to actually map to the names the Atalla
- * drivers really use - for now a symbollic link needs to be
- * created on the host system from libatasi.so to atasi.so on
- * unix variants. */
- atalla_dso = DSO_load(NULL, ATALLA_LIBNAME, NULL, 0);
- if(atalla_dso == NULL)
- {
- ENGINEerr(ENGINE_F_ATALLA_INIT,ENGINE_R_DSO_FAILURE);
- goto err;
- }
- if(!(p1 = (tfnASI_GetHardwareConfig *)DSO_bind_func(
- atalla_dso, ATALLA_F1)) ||
- !(p2 = (tfnASI_RSAPrivateKeyOpFn *)DSO_bind_func(
- atalla_dso, ATALLA_F2)) ||
- !(p3 = (tfnASI_GetPerformanceStatistics *)DSO_bind_func(
- atalla_dso, ATALLA_F3)))
- {
- ENGINEerr(ENGINE_F_ATALLA_INIT,ENGINE_R_DSO_FAILURE);
- goto err;
- }
- /* Copy the pointers */
- p_Atalla_GetHardwareConfig = p1;
- p_Atalla_RSAPrivateKeyOpFn = p2;
- p_Atalla_GetPerformanceStatistics = p3;
- /* Perform a basic test to see if there's actually any unit
- * running. */
- if(p1(0L, config_buf) != 0)
- {
- ENGINEerr(ENGINE_F_ATALLA_INIT,ENGINE_R_UNIT_FAILURE);
- goto err;
- }
- /* Everything's fine. */
- return 1;
-err:
- if(atalla_dso)
- DSO_free(atalla_dso);
- p_Atalla_GetHardwareConfig = NULL;
- p_Atalla_RSAPrivateKeyOpFn = NULL;
- p_Atalla_GetPerformanceStatistics = NULL;
- return 0;
- }
-
-static int atalla_finish()
- {
- if(atalla_dso == NULL)
- {
- ENGINEerr(ENGINE_F_ATALLA_FINISH,ENGINE_R_NOT_LOADED);
- return 0;
- }
- if(!DSO_free(atalla_dso))
- {
- ENGINEerr(ENGINE_F_ATALLA_FINISH,ENGINE_R_DSO_FAILURE);
- return 0;
- }
- atalla_dso = NULL;
- p_Atalla_GetHardwareConfig = NULL;
- p_Atalla_RSAPrivateKeyOpFn = NULL;
- p_Atalla_GetPerformanceStatistics = NULL;
- return 1;
- }
-
-static int atalla_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx)
- {
- /* I need somewhere to store temporary serialised values for
- * use with the Atalla API calls. A neat cheat - I'll use
- * BIGNUMs from the BN_CTX but access their arrays directly as
- * byte arrays <grin>. This way I don't have to clean anything
- * up. */
- BIGNUM *modulus;
- BIGNUM *exponent;
- BIGNUM *argument;
- BIGNUM *result;
- RSAPrivateKey keydata;
- int to_return, numbytes;
-
- modulus = exponent = argument = result = NULL;
- to_return = 0; /* expect failure */
-
- if(!atalla_dso)
- {
- ENGINEerr(ENGINE_F_ATALLA_MOD_EXP,ENGINE_R_NOT_LOADED);
- goto err;
- }
- /* Prepare the params */
- modulus = BN_CTX_get(ctx);
- exponent = BN_CTX_get(ctx);
- argument = BN_CTX_get(ctx);
- result = BN_CTX_get(ctx);
- if(!modulus || !exponent || !argument || !result)
- {
- ENGINEerr(ENGINE_F_ATALLA_MOD_EXP,ENGINE_R_BN_CTX_FULL);
- goto err;
- }
- if(!bn_wexpand(modulus, m->top) || !bn_wexpand(exponent, m->top) ||
- !bn_wexpand(argument, m->top) || !bn_wexpand(result, m->top))
- {
- ENGINEerr(ENGINE_F_ATALLA_MOD_EXP,ENGINE_R_BN_EXPAND_FAIL);
- goto err;
- }
- /* Prepare the key-data */
- memset(&keydata, 0,sizeof keydata);
- numbytes = BN_num_bytes(m);
- memset(exponent->d, 0, numbytes);
- memset(modulus->d, 0, numbytes);
- BN_bn2bin(p, (unsigned char *)exponent->d + numbytes - BN_num_bytes(p));
- BN_bn2bin(m, (unsigned char *)modulus->d + numbytes - BN_num_bytes(m));
- keydata.privateExponent.data = (unsigned char *)exponent->d;
- keydata.privateExponent.len = numbytes;
- keydata.modulus.data = (unsigned char *)modulus->d;
- keydata.modulus.len = numbytes;
- /* Prepare the argument */
- memset(argument->d, 0, numbytes);
- memset(result->d, 0, numbytes);
- BN_bn2bin(a, (unsigned char *)argument->d + numbytes - BN_num_bytes(a));
- /* Perform the operation */
- if(p_Atalla_RSAPrivateKeyOpFn(&keydata, (unsigned char *)result->d,
- (unsigned char *)argument->d,
- keydata.modulus.len) != 0)
- {
- ENGINEerr(ENGINE_F_ATALLA_MOD_EXP,ENGINE_R_REQUEST_FAILED);
- goto err;
- }
- /* Convert the response */
- BN_bin2bn((unsigned char *)result->d, numbytes, r);
- to_return = 1;
-err:
- if(modulus) ctx->tos--;
- if(exponent) ctx->tos--;
- if(argument) ctx->tos--;
- if(result) ctx->tos--;
- return to_return;
- }
-
-static int atalla_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
- {
- BN_CTX *ctx = NULL;
- int to_return = 0;
-
- if(!atalla_dso)
- {
- ENGINEerr(ENGINE_F_ATALLA_RSA_MOD_EXP,ENGINE_R_NOT_LOADED);
- goto err;
- }
- if((ctx = BN_CTX_new()) == NULL)
- goto err;
- if(!rsa->d || !rsa->n)
- {
- ENGINEerr(ENGINE_F_ATALLA_RSA_MOD_EXP,ENGINE_R_MISSING_KEY_COMPONENTS);
- goto err;
- }
- to_return = atalla_mod_exp(r0, I, rsa->d, rsa->n, ctx);
-err:
- if(ctx)
- BN_CTX_free(ctx);
- return to_return;
- }
-
-/* 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 atalla_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 (!atalla_mod_exp(rr,a1,p1,m,ctx)) goto end;
- /* let t = a2 ^ p2 mod m */
- if (!atalla_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 atalla_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
- const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
- BN_MONT_CTX *m_ctx)
- {
- return atalla_mod_exp(r, a, p, m, ctx);
- }
-
-/* This function is aliased to mod_exp (with the mont stuff dropped). */
-static int atalla_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
- {
- return atalla_mod_exp(r, a, p, m, ctx);
- }
-
-/* This function is aliased to mod_exp (with the dh and mont dropped). */
-static int atalla_mod_exp_dh(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
- {
- return atalla_mod_exp(r, a, p, m, ctx);
- }
-
-#endif /* !NO_HW_ATALLA */
-#endif /* !NO_HW */