+++ /dev/null
-/* Written by Corinne Dive-Reclus(cdive@baltimore.com)
-*
-*
-* 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/)"
-*
-* Written by Corinne Dive-Reclus(cdive@baltimore.com)
-*
-* Copyright@2001 Baltimore Technologies Ltd.
-* All right Reserved.
-* *
-* THIS FILE IS PROVIDED BY BALTIMORE TECHNOLOGIES ``AS IS'' AND *
-* ANY EXPRESS 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 BALTIMORE TECHNOLOGIES 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. *
-====================================================================*/
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/crypto.h>
-#include <openssl/pem.h>
-#include <openssl/dso.h>
-#include "eng_int.h"
-#include "engine.h"
-#include <openssl/engine.h>
-
-#ifndef OPENSSL_NO_HW
-#ifndef OPENSSL_NO_HW_SUREWARE
-
-#ifdef FLAT_INC
-#include "sureware.h"
-#else
-#include "vendor_defns/sureware.h"
-#endif
-
-#define SUREWARE_LIB_NAME "sureware engine"
-#include "hw_sureware_err.c"
-
-static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
-static int surewarehk_destroy(ENGINE *e);
-static int surewarehk_init(ENGINE *e);
-static int surewarehk_finish(ENGINE *e);
-static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx);
-
-/* RSA stuff */
-static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
- RSA *rsa,int padding);
-static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
- RSA *rsa,int padding);
-
-/* RAND stuff */
-static int surewarehk_rand_bytes(unsigned char *buf, int num);
-static void surewarehk_rand_seed(const void *buf, int num);
-static void surewarehk_rand_add(const void *buf, int num, double entropy);
-
-/* KM stuff */
-static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
- UI_METHOD *ui_method, void *callback_data);
-static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
- UI_METHOD *ui_method, void *callback_data);
-static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
- int idx,long argl, void *argp);
-#if 0
-static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
- int idx,long argl, void *argp);
-#endif
-
-#ifndef OPENSSL_NO_RSA
-/* This function is aliased to mod_exp (with the mont stuff dropped). */
-static int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-{
- return surewarehk_modexp(r, a, p, m, ctx);
-}
-
-/* Our internal RSA_METHOD that we provide pointers to */
-static RSA_METHOD surewarehk_rsa =
- {
- "SureWare RSA method",
- NULL, /* pub_enc*/
- NULL, /* pub_dec*/
- surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc*/
- surewarehk_rsa_priv_dec, /* priv_dec*/
- NULL, /*mod_exp*/
- surewarehk_mod_exp_mont, /*mod_exp_mongomery*/
- NULL, /* init*/
- NULL, /* finish*/
- 0, /* RSA flag*/
- NULL,
- NULL, /* OpenSSL sign*/
- NULL /* OpenSSL verify*/
- };
-#endif
-
-#ifndef OPENSSL_NO_DH
-/* Our internal DH_METHOD that we provide pointers to */
-/* This function is aliased to mod_exp (with the dh and mont dropped). */
-static int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
- const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-{
- return surewarehk_modexp(r, a, p, m, ctx);
-}
-
-static DH_METHOD surewarehk_dh =
- {
- "SureWare DH method",
- NULL,/*gen_key*/
- NULL,/*agree,*/
- surewarehk_modexp_dh, /*dh mod exp*/
- NULL, /* init*/
- NULL, /* finish*/
- 0, /* flags*/
- NULL
- };
-#endif
-
-static RAND_METHOD surewarehk_rand =
- {
- /* "SureWare RAND method", */
- surewarehk_rand_seed,
- surewarehk_rand_bytes,
- NULL,/*cleanup*/
- surewarehk_rand_add,
- surewarehk_rand_bytes,
- NULL,/*rand_status*/
- };
-
-#ifndef OPENSSL_NO_DSA
-/* DSA stuff */
-static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
-static int surewarehk_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 (!surewarehk_modexp(rr,a1,p1,m,ctx)) goto end;
- /* let t = a2 ^ p2 mod m */
- if (!surewarehk_modexp(&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 DSA_METHOD surewarehk_dsa =
- {
- "SureWare DSA method",
- surewarehk_dsa_do_sign,
- NULL,/*sign setup*/
- NULL,/*verify,*/
- surewarehk_dsa_mod_exp,/*mod exp*/
- NULL,/*bn mod exp*/
- NULL, /*init*/
- NULL,/*finish*/
- 0,
- NULL,
- };
-#endif
-
-static const char *engine_sureware_id = "sureware";
-static const char *engine_sureware_name = "SureWare hardware engine support";
-
-/* Now, to our own code */
-
-/* As this is only ever called once, there's no need for locking
- * (indeed - the lock will already be held by our caller!!!) */
-static int bind_sureware(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_sureware_id) ||
- !ENGINE_set_name(e, engine_sureware_name) ||
-#ifndef OPENSSL_NO_RSA
- !ENGINE_set_RSA(e, &surewarehk_rsa) ||
-#endif
-#ifndef OPENSSL_NO_DSA
- !ENGINE_set_DSA(e, &surewarehk_dsa) ||
-#endif
-#ifndef OPENSSL_NO_DH
- !ENGINE_set_DH(e, &surewarehk_dh) ||
-#endif
- !ENGINE_set_RAND(e, &surewarehk_rand) ||
- !ENGINE_set_destroy_function(e, surewarehk_destroy) ||
- !ENGINE_set_init_function(e, surewarehk_init) ||
- !ENGINE_set_finish_function(e, surewarehk_finish) ||
- !ENGINE_set_ctrl_function(e, surewarehk_ctrl) ||
- !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
- !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
- return 0;
-
-#ifndef OPENSSL_NO_RSA
- /* We know that the "PKCS1_SSLeay()" functions hook properly
- * to the cswift-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();
- if (meth1)
- {
- surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
- surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
- }
-#endif
-
-#ifndef OPENSSL_NO_DSA
- /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
- * bits. */
- meth2 = DSA_OpenSSL();
- if (meth2)
- {
- surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
- }
-#endif
-
-#ifndef OPENSSL_NO_DH
- /* Much the same for Diffie-Hellman */
- meth3 = DH_OpenSSL();
- if (meth3)
- {
- surewarehk_dh.generate_key = meth3->generate_key;
- surewarehk_dh.compute_key = meth3->compute_key;
- }
-#endif
-
- /* Ensure the sureware error handling is set up */
- ERR_load_SUREWARE_strings();
- return 1;
-}
-
-#ifdef ENGINE_DYNAMIC_SUPPORT
-static int bind_helper(ENGINE *e, const char *id)
- {
- if(id && (strcmp(id, engine_sureware_id) != 0))
- return 0;
- if(!bind_sureware(e))
- return 0;
- return 1;
- }
-IMPLEMENT_DYNAMIC_CHECK_FN()
-IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
-#else
-static ENGINE *engine_sureware(void)
- {
- ENGINE *ret = ENGINE_new();
- if(!ret)
- return NULL;
- if(!bind_sureware(ret))
- {
- ENGINE_free(ret);
- return NULL;
- }
- return ret;
- }
-
-void ENGINE_load_sureware(void)
- {
- /* Copied from eng_[openssl|dyn].c */
- ENGINE *toadd = engine_sureware();
- if(!toadd) return;
- ENGINE_add(toadd);
- ENGINE_free(toadd);
- ERR_clear_error();
- }
-#endif
-
-/* This is a process-global DSO handle used for loading and unloading
- * the SureWareHook 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 *surewarehk_dso = NULL;
-#ifndef OPENSSL_NO_RSA
-static int rsaHndidx = -1; /* Index for KM handle. Not really used yet. */
-#endif
-#ifndef OPENSSL_NO_DSA
-static int dsaHndidx = -1; /* Index for KM handle. Not really used yet. */
-#endif
-
-/* These are the function pointers that are (un)set when the library has
- * successfully (un)loaded. */
-static SureWareHook_Init_t *p_surewarehk_Init = NULL;
-static SureWareHook_Finish_t *p_surewarehk_Finish = NULL;
-static SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL;
-static SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL;
-static SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL;
-static SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL;
-static SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL;
-static SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL;
-static SureWareHook_Free_t *p_surewarehk_Free=NULL;
-static SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec=NULL;
-static SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign=NULL;
-static SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign=NULL;
-static SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp=NULL;
-
-/* Used in the DSO operations. */
-static const char *surewarehk_LIBNAME = "SureWareHook";
-static const char *n_surewarehk_Init = "SureWareHook_Init";
-static const char *n_surewarehk_Finish = "SureWareHook_Finish";
-static const char *n_surewarehk_Rand_Bytes="SureWareHook_Rand_Bytes";
-static const char *n_surewarehk_Rand_Seed="SureWareHook_Rand_Seed";
-static const char *n_surewarehk_Load_Privkey="SureWareHook_Load_Privkey";
-static const char *n_surewarehk_Info_Pubkey="SureWareHook_Info_Pubkey";
-static const char *n_surewarehk_Load_Rsa_Pubkey="SureWareHook_Load_Rsa_Pubkey";
-static const char *n_surewarehk_Load_Dsa_Pubkey="SureWareHook_Load_Dsa_Pubkey";
-static const char *n_surewarehk_Free="SureWareHook_Free";
-static const char *n_surewarehk_Rsa_Priv_Dec="SureWareHook_Rsa_Priv_Dec";
-static const char *n_surewarehk_Rsa_Sign="SureWareHook_Rsa_Sign";
-static const char *n_surewarehk_Dsa_Sign="SureWareHook_Dsa_Sign";
-static const char *n_surewarehk_Mod_Exp="SureWareHook_Mod_Exp";
-static BIO *logstream = NULL;
-
-/* SureWareHook library functions and mechanics - these are used by the
- * higher-level functions further down. NB: As and where there's no
- * error checking, take a look lower down where these functions are
- * called, the checking and error handling is probably down there.
-*/
-static int threadsafe=1;
-static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
-{
- int to_return = 1;
-
- switch(cmd)
- {
- case ENGINE_CTRL_SET_LOGSTREAM:
- {
- BIO *bio = (BIO *)p;
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- if (logstream)
- {
- BIO_free(logstream);
- logstream = NULL;
- }
- if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
- logstream = bio;
- else
- SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,SUREWARE_R_BIO_WAS_FREED);
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- break;
- /* This will prevent the initialisation function from "installing"
- * the mutex-handling callbacks, even if they are available from
- * within the library (or were provided to the library from the
- * calling application). This is to remove any baggage for
- * applications not using multithreading. */
- case ENGINE_CTRL_CHIL_NO_LOCKING:
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- threadsafe = 0;
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- break;
-
- /* The command isn't understood by this engine */
- default:
- SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL,
- ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
- to_return = 0;
- break;
- }
-
- return to_return;
-}
-
-/* Destructor (complements the "ENGINE_surewarehk()" constructor) */
-static int surewarehk_destroy(ENGINE *e)
-{
- ERR_unload_SUREWARE_strings();
- return 1;
-}
-
-/* (de)initialisation functions. */
-static int surewarehk_init(ENGINE *e)
-{
- char msg[64]="ENGINE_init";
- SureWareHook_Init_t *p1=NULL;
- SureWareHook_Finish_t *p2=NULL;
- SureWareHook_Rand_Bytes_t *p3=NULL;
- SureWareHook_Rand_Seed_t *p4=NULL;
- SureWareHook_Load_Privkey_t *p5=NULL;
- SureWareHook_Load_Rsa_Pubkey_t *p6=NULL;
- SureWareHook_Free_t *p7=NULL;
- SureWareHook_Rsa_Priv_Dec_t *p8=NULL;
- SureWareHook_Rsa_Sign_t *p9=NULL;
- SureWareHook_Dsa_Sign_t *p12=NULL;
- SureWareHook_Info_Pubkey_t *p13=NULL;
- SureWareHook_Load_Dsa_Pubkey_t *p14=NULL;
- SureWareHook_Mod_Exp_t *p15=NULL;
-
- if(surewarehk_dso != NULL)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_ALREADY_LOADED);
- goto err;
- }
- /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */
- surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0);
- if(surewarehk_dso == NULL)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
- goto err;
- }
- if(!(p1=(SureWareHook_Init_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Init)) ||
- !(p2=(SureWareHook_Finish_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Finish)) ||
- !(p3=(SureWareHook_Rand_Bytes_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Bytes)) ||
- !(p4=(SureWareHook_Rand_Seed_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rand_Seed)) ||
- !(p5=(SureWareHook_Load_Privkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Privkey)) ||
- !(p6=(SureWareHook_Load_Rsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Rsa_Pubkey)) ||
- !(p7=(SureWareHook_Free_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) ||
- !(p8=(SureWareHook_Rsa_Priv_Dec_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Priv_Dec)) ||
- !(p9=(SureWareHook_Rsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Rsa_Sign)) ||
- !(p12=(SureWareHook_Dsa_Sign_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Dsa_Sign)) ||
- !(p13=(SureWareHook_Info_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Info_Pubkey)) ||
- !(p14=(SureWareHook_Load_Dsa_Pubkey_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Load_Dsa_Pubkey)) ||
- !(p15=(SureWareHook_Mod_Exp_t*)DSO_bind_func(surewarehk_dso, n_surewarehk_Mod_Exp)))
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,ENGINE_R_DSO_FAILURE);
- goto err;
- }
- /* Copy the pointers */
- p_surewarehk_Init = p1;
- p_surewarehk_Finish = p2;
- p_surewarehk_Rand_Bytes = p3;
- p_surewarehk_Rand_Seed = p4;
- p_surewarehk_Load_Privkey = p5;
- p_surewarehk_Load_Rsa_Pubkey = p6;
- p_surewarehk_Free = p7;
- p_surewarehk_Rsa_Priv_Dec = p8;
- p_surewarehk_Rsa_Sign = p9;
- p_surewarehk_Dsa_Sign = p12;
- p_surewarehk_Info_Pubkey = p13;
- p_surewarehk_Load_Dsa_Pubkey = p14;
- p_surewarehk_Mod_Exp = p15;
- /* Contact the hardware and initialises it. */
- if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
- goto err;
- }
- if(p_surewarehk_Init(msg,threadsafe)==SUREWAREHOOK_ERROR_UNIT_FAILURE)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT,SUREWARE_R_UNIT_FAILURE);
- goto err;
- }
- /* try to load the default private key, if failed does not return a failure but
- wait for an explicit ENGINE_load_privakey */
- surewarehk_load_privkey(e,NULL,NULL,NULL);
-
- /* Everything's fine. */
-#ifndef OPENSSL_NO_RSA
- if (rsaHndidx == -1)
- rsaHndidx = RSA_get_ex_new_index(0,
- "SureWareHook RSA key handle",
- NULL, NULL, surewarehk_ex_free);
-#endif
-#ifndef OPENSSL_NO_DSA
- if (dsaHndidx == -1)
- dsaHndidx = DSA_get_ex_new_index(0,
- "SureWareHook DSA key handle",
- NULL, NULL, surewarehk_ex_free);
-#endif
-
- return 1;
-err:
- if(surewarehk_dso)
- DSO_free(surewarehk_dso);
- surewarehk_dso = NULL;
- p_surewarehk_Init = NULL;
- p_surewarehk_Finish = NULL;
- p_surewarehk_Rand_Bytes = NULL;
- p_surewarehk_Rand_Seed = NULL;
- p_surewarehk_Load_Privkey = NULL;
- p_surewarehk_Load_Rsa_Pubkey = NULL;
- p_surewarehk_Free = NULL;
- p_surewarehk_Rsa_Priv_Dec = NULL;
- p_surewarehk_Rsa_Sign = NULL;
- p_surewarehk_Dsa_Sign = NULL;
- p_surewarehk_Info_Pubkey = NULL;
- p_surewarehk_Load_Dsa_Pubkey = NULL;
- p_surewarehk_Mod_Exp = NULL;
- return 0;
-}
-
-static int surewarehk_finish(ENGINE *e)
-{
- int to_return = 1;
- if(surewarehk_dso == NULL)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_NOT_LOADED);
- to_return = 0;
- goto err;
- }
- p_surewarehk_Finish();
- if(!DSO_free(surewarehk_dso))
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH,ENGINE_R_DSO_FAILURE);
- to_return = 0;
- goto err;
- }
- err:
- if (logstream)
- BIO_free(logstream);
- surewarehk_dso = NULL;
- p_surewarehk_Init = NULL;
- p_surewarehk_Finish = NULL;
- p_surewarehk_Rand_Bytes = NULL;
- p_surewarehk_Rand_Seed = NULL;
- p_surewarehk_Load_Privkey = NULL;
- p_surewarehk_Load_Rsa_Pubkey = NULL;
- p_surewarehk_Free = NULL;
- p_surewarehk_Rsa_Priv_Dec = NULL;
- p_surewarehk_Rsa_Sign = NULL;
- p_surewarehk_Dsa_Sign = NULL;
- p_surewarehk_Info_Pubkey = NULL;
- p_surewarehk_Load_Dsa_Pubkey = NULL;
- p_surewarehk_Mod_Exp = NULL;
- return to_return;
-}
-
-static void surewarehk_error_handling(char *const msg,int func,int ret)
-{
- switch (ret)
- {
- case SUREWAREHOOK_ERROR_UNIT_FAILURE:
- ENGINEerr(func,SUREWARE_R_UNIT_FAILURE);
- break;
- case SUREWAREHOOK_ERROR_FALLBACK:
- ENGINEerr(func,SUREWARE_R_REQUEST_FALLBACK);
- break;
- case SUREWAREHOOK_ERROR_DATA_SIZE:
- ENGINEerr(func,SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- break;
- case SUREWAREHOOK_ERROR_INVALID_PAD:
- ENGINEerr(func,RSA_R_PADDING_CHECK_FAILED);
- break;
- default:
- ENGINEerr(func,SUREWARE_R_REQUEST_FAILED);
- break;
- case 1:/*nothing*/
- msg[0]='\0';
- }
- if (*msg)
- {
- ERR_add_error_data(1,msg);
- if (logstream)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_BIO);
- BIO_write(logstream, msg, strlen(msg));
- CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
- }
- }
-}
-
-static int surewarehk_rand_bytes(unsigned char *buf, int num)
-{
- int ret=0;
- char msg[64]="ENGINE_rand_bytes";
- if(!p_surewarehk_Rand_Bytes)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES,ENGINE_R_NOT_INITIALISED);
- }
- else
- {
- ret = p_surewarehk_Rand_Bytes(msg,buf, num);
- surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_BYTES,ret);
- }
- return ret==1 ? 1 : 0;
-}
-
-static void surewarehk_rand_seed(const void *buf, int num)
-{
- int ret=0;
- char msg[64]="ENGINE_rand_seed";
- if(!p_surewarehk_Rand_Seed)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED,ENGINE_R_NOT_INITIALISED);
- }
- else
- {
- ret = p_surewarehk_Rand_Seed(msg,buf, num);
- surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RAND_SEED,ret);
- }
-}
-
-static void surewarehk_rand_add(const void *buf, int num, double entropy)
-{
- surewarehk_rand_seed(buf,num);
-}
-
-static EVP_PKEY* sureware_load_public(ENGINE *e,const char *key_id,char *hptr,unsigned long el,char keytype)
-{
- EVP_PKEY *res = NULL;
-#ifndef OPENSSL_NO_RSA
- RSA *rsatmp = NULL;
-#endif
-#ifndef OPENSSL_NO_DSA
- DSA *dsatmp=NULL;
-#endif
- char msg[64]="sureware_load_public";
- int ret=0;
- if(!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
- goto err;
- }
- switch (keytype)
- {
-#ifndef OPENSSL_NO_RSA
- case 1: /*RSA*/
- /* set private external reference */
- rsatmp = RSA_new_method(e);
- RSA_set_ex_data(rsatmp,rsaHndidx,hptr);
- rsatmp->flags |= RSA_FLAG_EXT_PKEY;
-
- /* set public big nums*/
- rsatmp->e = BN_new();
- rsatmp->n = BN_new();
- bn_expand2(rsatmp->e, el/sizeof(BN_ULONG));
- bn_expand2(rsatmp->n, el/sizeof(BN_ULONG));
- if (!rsatmp->e || rsatmp->e->dmax!=(int)(el/sizeof(BN_ULONG))||
- !rsatmp->n || rsatmp->n->dmax!=(int)(el/sizeof(BN_ULONG)))
- goto err;
- ret=p_surewarehk_Load_Rsa_Pubkey(msg,key_id,el,
- (unsigned long *)rsatmp->n->d,
- (unsigned long *)rsatmp->e->d);
- surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
- if (ret!=1)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
- goto err;
- }
- /* normalise pub e and pub n */
- rsatmp->e->top=el/sizeof(BN_ULONG);
- bn_fix_top(rsatmp->e);
- rsatmp->n->top=el/sizeof(BN_ULONG);
- bn_fix_top(rsatmp->n);
- /* create an EVP object: engine + rsa key */
- res = EVP_PKEY_new();
- EVP_PKEY_assign_RSA(res, rsatmp);
- break;
-#endif
-
-#ifndef OPENSSL_NO_DSA
- case 2:/*DSA*/
- /* set private/public external reference */
- dsatmp = DSA_new_method(e);
- DSA_set_ex_data(dsatmp,dsaHndidx,hptr);
- /*dsatmp->flags |= DSA_FLAG_EXT_PKEY;*/
-
- /* set public key*/
- dsatmp->pub_key = BN_new();
- dsatmp->p = BN_new();
- dsatmp->q = BN_new();
- dsatmp->g = BN_new();
- bn_expand2(dsatmp->pub_key, el/sizeof(BN_ULONG));
- bn_expand2(dsatmp->p, el/sizeof(BN_ULONG));
- bn_expand2(dsatmp->q, 20/sizeof(BN_ULONG));
- bn_expand2(dsatmp->g, el/sizeof(BN_ULONG));
- if (!dsatmp->pub_key || dsatmp->pub_key->dmax!=(int)(el/sizeof(BN_ULONG))||
- !dsatmp->p || dsatmp->p->dmax!=(int)(el/sizeof(BN_ULONG)) ||
- !dsatmp->q || dsatmp->q->dmax!=20/sizeof(BN_ULONG) ||
- !dsatmp->g || dsatmp->g->dmax!=(int)(el/sizeof(BN_ULONG)))
- goto err;
-
- ret=p_surewarehk_Load_Dsa_Pubkey(msg,key_id,el,
- (unsigned long *)dsatmp->pub_key->d,
- (unsigned long *)dsatmp->p->d,
- (unsigned long *)dsatmp->q->d,
- (unsigned long *)dsatmp->g->d);
- surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ret);
- if (ret!=1)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
- goto err;
- }
- /* set parameters */
- /* normalise pubkey and parameters in case of */
- dsatmp->pub_key->top=el/sizeof(BN_ULONG);
- bn_fix_top(dsatmp->pub_key);
- dsatmp->p->top=el/sizeof(BN_ULONG);
- bn_fix_top(dsatmp->p);
- dsatmp->q->top=20/sizeof(BN_ULONG);
- bn_fix_top(dsatmp->q);
- dsatmp->g->top=el/sizeof(BN_ULONG);
- bn_fix_top(dsatmp->g);
-
- /* create an EVP object: engine + rsa key */
- res = EVP_PKEY_new();
- EVP_PKEY_assign_DSA(res, dsatmp);
- break;
-#endif
-
- default:
- SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
- goto err;
- }
- return res;
- err:
- if (res)
- EVP_PKEY_free(res);
-#ifndef OPENSSL_NO_RSA
- if (rsatmp)
- RSA_free(rsatmp);
-#endif
-#ifndef OPENSSL_NO_DSA
- if (dsatmp)
- DSA_free(dsatmp);
-#endif
- return NULL;
-}
-
-static EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id,
- UI_METHOD *ui_method, void *callback_data)
-{
- EVP_PKEY *res = NULL;
- int ret=0;
- unsigned long el=0;
- char *hptr=NULL;
- char keytype=0;
- char msg[64]="ENGINE_load_privkey";
-
- if(!p_surewarehk_Load_Privkey)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_NOT_INITIALISED);
- }
- else
- {
- ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype);
- if (ret!=1)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVATE_KEY,ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
- ERR_add_error_data(1,msg);
- }
- else
- res=sureware_load_public(e,key_id,hptr,el,keytype);
- }
- return res;
-}
-
-static EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id,
- UI_METHOD *ui_method, void *callback_data)
-{
- EVP_PKEY *res = NULL;
- int ret=0;
- unsigned long el=0;
- char *hptr=NULL;
- char keytype=0;
- char msg[64]="ENGINE_load_pubkey";
-
- if(!p_surewarehk_Info_Pubkey)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_NOT_INITIALISED);
- }
- else
- {
- /* call once to identify if DSA or RSA */
- ret=p_surewarehk_Info_Pubkey(msg,key_id,&el,&keytype);
- if (ret!=1)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBLIC_KEY,ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
- ERR_add_error_data(1,msg);
- }
- else
- res=sureware_load_public(e,key_id,hptr,el,keytype);
- }
- return res;
-}
-
-/* This cleans up an RSA/DSA KM key(do not destroy the key into the hardware)
-, called when ex_data is freed */
-static void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
- int idx,long argl, void *argp)
-{
- if(!p_surewarehk_Free)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
- }
- else
- p_surewarehk_Free((char *)item,0);
-}
-
-#if 0
-/* This cleans up an DH KM key (destroys the key into hardware),
-called when ex_data is freed */
-static void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
- int idx,long argl, void *argp)
-{
- if(!p_surewarehk_Free)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE,ENGINE_R_NOT_INITIALISED);
- }
- else
- p_surewarehk_Free((char *)item,1);
-}
-#endif
-
-/*
-* return number of decrypted bytes
-*/
-#ifndef OPENSSL_NO_RSA
-static int surewarehk_rsa_priv_dec(int flen,const unsigned char *from,unsigned char *to,
- RSA *rsa,int padding)
-{
- int ret=0,tlen;
- char *buf=NULL,*hptr=NULL;
- char msg[64]="ENGINE_rsa_priv_dec";
- if (!p_surewarehk_Rsa_Priv_Dec)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ENGINE_R_NOT_INITIALISED);
- }
- /* extract ref to private key */
- else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_MISSING_KEY_COMPONENTS);
- goto err;
- }
- /* analyse what padding we can do into the hardware */
- if (padding==RSA_PKCS1_PADDING)
- {
- /* do it one shot */
- ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
- surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
- if (ret!=1)
- goto err;
- ret=tlen;
- }
- else /* do with no padding into hardware */
- {
- ret=p_surewarehk_Rsa_Priv_Dec(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_NO_PAD);
- surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ret);
- if (ret!=1)
- goto err;
- /* intermediate buffer for padding */
- if ((buf=OPENSSL_malloc(tlen)) == NULL)
- {
- RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- memcpy(buf,to,tlen);/* transfert to into buf */
- switch (padding) /* check padding in software */
- {
-#ifndef OPENSSL_NO_SHA
- case RSA_PKCS1_OAEP_PADDING:
- ret=RSA_padding_check_PKCS1_OAEP(to,tlen,(unsigned char *)buf,tlen,tlen,NULL,0);
- break;
-#endif
- case RSA_SSLV23_PADDING:
- ret=RSA_padding_check_SSLv23(to,tlen,(unsigned char *)buf,flen,tlen);
- break;
- case RSA_NO_PADDING:
- ret=RSA_padding_check_none(to,tlen,(unsigned char *)buf,flen,tlen);
- break;
- default:
- RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_UNKNOWN_PADDING_TYPE);
- goto err;
- }
- if (ret < 0)
- RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,RSA_R_PADDING_CHECK_FAILED);
- }
-err:
- if (buf)
- {
- OPENSSL_cleanse(buf,tlen);
- OPENSSL_free(buf);
- }
- return ret;
-}
-
-/*
-* Does what OpenSSL rsa_priv_enc does.
-*/
-static int surewarehk_rsa_sign(int flen,const unsigned char *from,unsigned char *to,
- RSA *rsa,int padding)
-{
- int ret=0,tlen;
- char *hptr=NULL;
- char msg[64]="ENGINE_rsa_sign";
- if (!p_surewarehk_Rsa_Sign)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ENGINE_R_NOT_INITIALISED);
- }
- /* extract ref to private key */
- else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx)))
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,SUREWARE_R_MISSING_KEY_COMPONENTS);
- }
- else
- {
- switch (padding)
- {
- case RSA_PKCS1_PADDING: /* do it in one shot */
- ret=p_surewarehk_Rsa_Sign(msg,flen,(unsigned char *)from,&tlen,to,hptr,SUREWARE_PKCS1_PAD);
- surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,ret);
- break;
- case RSA_NO_PADDING:
- default:
- RSAerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_ENC,RSA_R_UNKNOWN_PADDING_TYPE);
- }
- }
- return ret==1 ? tlen : ret;
-}
-
-#endif
-
-#ifndef OPENSSL_NO_DSA
-/* DSA sign and verify */
-static DSA_SIG * surewarehk_dsa_do_sign(const unsigned char *from, int flen, DSA *dsa)
-{
- int ret=0;
- char *hptr=NULL;
- DSA_SIG *psign=NULL;
- char msg[64]="ENGINE_dsa_do_sign";
- if (!p_surewarehk_Dsa_Sign)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ENGINE_R_NOT_INITIALISED);
- }
- /* extract ref to private key */
- else if (!(hptr=DSA_get_ex_data(dsa, dsaHndidx)))
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,SUREWARE_R_MISSING_KEY_COMPONENTS);
- }
- else
- {
- if((psign = DSA_SIG_new()) == NULL)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- psign->r=BN_new();
- psign->s=BN_new();
- bn_expand2(psign->r, 20/sizeof(BN_ULONG));
- bn_expand2(psign->s, 20/sizeof(BN_ULONG));
- if (!psign->r || psign->r->dmax!=20/sizeof(BN_ULONG) ||
- !psign->s || psign->s->dmax!=20/sizeof(BN_ULONG))
- goto err;
- ret=p_surewarehk_Dsa_Sign(msg,flen,from,
- (unsigned long *)psign->r->d,
- (unsigned long *)psign->s->d,
- hptr);
- surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_DSA_DO_SIGN,ret);
- }
- psign->r->top=20/sizeof(BN_ULONG);
- bn_fix_top(psign->r);
- psign->s->top=20/sizeof(BN_ULONG);
- bn_fix_top(psign->s);
-
-err:
- if (psign)
- {
- DSA_SIG_free(psign);
- psign=NULL;
- }
- return psign;
-}
-#endif
-
-static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx)
-{
- int ret=0;
- char msg[64]="ENGINE_modexp";
- if (!p_surewarehk_Mod_Exp)
- {
- SUREWAREerr(SUREWARE_F_SUREWAREHK_MOD_EXP,ENGINE_R_NOT_INITIALISED);
- }
- else
- {
- bn_expand2(r,m->top);
- if (r && r->dmax==m->top)
- {
- /* do it*/
- ret=p_surewarehk_Mod_Exp(msg,
- m->top*sizeof(BN_ULONG),
- (unsigned long *)m->d,
- p->top*sizeof(BN_ULONG),
- (unsigned long *)p->d,
- a->top*sizeof(BN_ULONG),
- (unsigned long *)a->d,
- (unsigned long *)r->d);
- surewarehk_error_handling(msg,SUREWARE_F_SUREWAREHK_MOD_EXP,ret);
- if (ret==1)
- {
- /* normalise result */
- r->top=m->top;
- bn_fix_top(r);
- }
- }
- }
- return ret;
-}
-#endif /* !OPENSSL_NO_HW_SureWare */
-#endif /* !OPENSSL_NO_HW */
projects / bcm963xx.git / blobdiff