diff options
Diffstat (limited to 'engines/e_sureware.c')
| -rw-r--r-- | engines/e_sureware.c | 1101 |
1 files changed, 0 insertions, 1101 deletions
diff --git a/engines/e_sureware.c b/engines/e_sureware.c deleted file mode 100644 index 8a23763f75d9..000000000000 --- a/engines/e_sureware.c +++ /dev/null @@ -1,1101 +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 -/* Index for KM handle. Not really used yet. */ -static int rsaHndidx = -1; -# endif -# ifndef OPENSSL_NO_DSA -/* Index for KM handle. Not really used yet. */ -static int dsaHndidx = -1; -# 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(); - if(!rsatmp->e || !rsatmp->n) - goto err; - bn_expand2(rsatmp->e, el / sizeof(BN_ULONG)); - bn_expand2(rsatmp->n, el / sizeof(BN_ULONG)); - if (rsatmp->e->dmax != (int)(el / sizeof(BN_ULONG)) || - 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(); - if(!dsatmp->pub_key || !dsatmp->p || !dsatmp->q || !dsatmp->g) - goto err; - 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->dmax != (int)(el / sizeof(BN_ULONG)) - || dsatmp->p->dmax != (int)(el / sizeof(BN_ULONG)) - || dsatmp->q->dmax != 20 / sizeof(BN_ULONG) - || 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: -# 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(); - if(!psign->r || !psign->s) - goto err; - bn_expand2(psign->r, 20 / sizeof(BN_ULONG)); - bn_expand2(psign->s, 20 / sizeof(BN_ULONG)); - if (psign->r->dmax != 20 / sizeof(BN_ULONG) || - 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 if (r) { - bn_expand2(r, m->top); - if (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 */ |