diff options
Diffstat (limited to 'openssl/trunk/engines/e_sureware.c')
| -rw-r--r-- | openssl/trunk/engines/e_sureware.c | 1057 |
1 files changed, 0 insertions, 1057 deletions
diff --git a/openssl/trunk/engines/e_sureware.c b/openssl/trunk/engines/e_sureware.c deleted file mode 100644 index 58fa9a98..00000000 --- a/openssl/trunk/engines/e_sureware.c +++ /dev/null @@ -1,1057 +0,0 @@ -/* 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 <string.h> -#include <openssl/crypto.h> -#include <openssl/pem.h> -#include <openssl/dso.h> -#include <openssl/engine.h> -#include <openssl/rand.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_SUREWARE - -#ifdef FLAT_INC -#include "sureware.h" -#else -#include "vendor_defns/sureware.h" -#endif - -#define SUREWARE_LIB_NAME "sureware engine" -#include "e_sureware_err.c" - -static int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)); -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 */ -#ifndef OPENSSL_NO_RSA -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); -#endif - -/* 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*/ - NULL /* keygen */ - }; -#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, - 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, - NULL, - 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; -} - -#ifndef OPENSSL_NO_DYNAMIC_ENGINE -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)(void)) -{ - 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,SUREWARE_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_SUREWARE_LOAD_PUBLIC,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_SUREWARE_LOAD_PUBLIC,ret); - if (ret!=1) - { - SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,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_SUREWARE_LOAD_PUBLIC,ret); - if (ret!=1) - { - SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC,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_SUREWARE_LOAD_PUBLIC,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_PRIVKEY,ENGINE_R_NOT_INITIALISED); - } - else - { - ret=p_surewarehk_Load_Privkey(msg,key_id,&hptr,&el,&keytype); - if (ret!=1) - { - SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY,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_PUBKEY,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_PUBKEY,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 -/* not currently used (bug?) */ -/* 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_DH_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) - { - SUREWAREerr(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: - SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_R_UNKNOWN_PADDING_TYPE); - goto err; - } - if (ret < 0) - SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC,SUREWARE_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_SIGN,ENGINE_R_NOT_INITIALISED); - } - /* extract ref to private key */ - else if (!(hptr=RSA_get_ex_data(rsa, rsaHndidx))) - { - SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,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_SIGN,ret); - break; - case RSA_NO_PADDING: - default: - SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN,SUREWARE_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); - goto err; - } - /* 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); - goto err; - } - 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_MODEXP,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_MODEXP,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 */ |