1296465Sdelphij/*- 2296465Sdelphij* Written by Corinne Dive-Reclus(cdive@baltimore.com) 3160814Ssimon* 4296465Sdelphij* 5160814Ssimon* Redistribution and use in source and binary forms, with or without 6160814Ssimon* modification, are permitted provided that the following conditions 7160814Ssimon* are met: 8160814Ssimon* 9160814Ssimon* 1. Redistributions of source code must retain the above copyright 10296465Sdelphij* notice, this list of conditions and the following disclaimer. 11160814Ssimon* 12160814Ssimon* 2. Redistributions in binary form must reproduce the above copyright 13160814Ssimon* notice, this list of conditions and the following disclaimer in 14160814Ssimon* the documentation and/or other materials provided with the 15160814Ssimon* distribution. 16160814Ssimon* 17160814Ssimon* 3. All advertising materials mentioning features or use of this 18160814Ssimon* software must display the following acknowledgment: 19160814Ssimon* "This product includes software developed by the OpenSSL Project 20160814Ssimon* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 21160814Ssimon* 22160814Ssimon* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 23160814Ssimon* endorse or promote products derived from this software without 24160814Ssimon* prior written permission. For written permission, please contact 25160814Ssimon* licensing@OpenSSL.org. 26160814Ssimon* 27160814Ssimon* 5. Products derived from this software may not be called "OpenSSL" 28160814Ssimon* nor may "OpenSSL" appear in their names without prior written 29160814Ssimon* permission of the OpenSSL Project. 30160814Ssimon* 31160814Ssimon* 6. Redistributions of any form whatsoever must retain the following 32160814Ssimon* acknowledgment: 33160814Ssimon* "This product includes software developed by the OpenSSL Project 34160814Ssimon* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 35160814Ssimon* 36160814Ssimon* Written by Corinne Dive-Reclus(cdive@baltimore.com) 37160814Ssimon* 38160814Ssimon* Copyright@2001 Baltimore Technologies Ltd. 39160814Ssimon* All right Reserved. 40296465Sdelphij* * 41296465Sdelphij* THIS FILE IS PROVIDED BY BALTIMORE TECHNOLOGIES ``AS IS'' AND * 42296465Sdelphij* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * 43296465Sdelphij* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * 44296465Sdelphij* ARE DISCLAIMED. IN NO EVENT SHALL BALTIMORE TECHNOLOGIES BE LIABLE * 45296465Sdelphij* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * 46296465Sdelphij* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * 47296465Sdelphij* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * 48296465Sdelphij* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * 49296465Sdelphij* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * 50296465Sdelphij* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * 51296465Sdelphij* SUCH DAMAGE. * 52160814Ssimon====================================================================*/ 53160814Ssimon 54160814Ssimon#include <stdio.h> 55160814Ssimon#include <string.h> 56160814Ssimon#include <openssl/crypto.h> 57160814Ssimon#include <openssl/pem.h> 58160814Ssimon#include <openssl/dso.h> 59160814Ssimon#include <openssl/engine.h> 60160814Ssimon#include <openssl/rand.h> 61160814Ssimon#ifndef OPENSSL_NO_RSA 62296465Sdelphij# include <openssl/rsa.h> 63160814Ssimon#endif 64160814Ssimon#ifndef OPENSSL_NO_DSA 65296465Sdelphij# include <openssl/dsa.h> 66160814Ssimon#endif 67160814Ssimon#ifndef OPENSSL_NO_DH 68296465Sdelphij# include <openssl/dh.h> 69160814Ssimon#endif 70160814Ssimon#include <openssl/bn.h> 71160814Ssimon 72160814Ssimon#ifndef OPENSSL_NO_HW 73296465Sdelphij# ifndef OPENSSL_NO_HW_SUREWARE 74160814Ssimon 75296465Sdelphij# ifdef FLAT_INC 76296465Sdelphij# include "sureware.h" 77296465Sdelphij# else 78296465Sdelphij# include "vendor_defns/sureware.h" 79296465Sdelphij# endif 80160814Ssimon 81296465Sdelphij# define SUREWARE_LIB_NAME "sureware engine" 82296465Sdelphij# include "e_sureware_err.c" 83160814Ssimon 84296465Sdelphijstatic int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, 85296465Sdelphij void (*f) (void)); 86160814Ssimonstatic int surewarehk_destroy(ENGINE *e); 87160814Ssimonstatic int surewarehk_init(ENGINE *e); 88160814Ssimonstatic int surewarehk_finish(ENGINE *e); 89160814Ssimonstatic int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, 90296465Sdelphij const BIGNUM *m, BN_CTX *ctx); 91160814Ssimon 92160814Ssimon/* RSA stuff */ 93296465Sdelphij# ifndef OPENSSL_NO_RSA 94296465Sdelphijstatic int surewarehk_rsa_priv_dec(int flen, const unsigned char *from, 95296465Sdelphij unsigned char *to, RSA *rsa, int padding); 96296465Sdelphijstatic int surewarehk_rsa_sign(int flen, const unsigned char *from, 97296465Sdelphij unsigned char *to, RSA *rsa, int padding); 98296465Sdelphij# endif 99160814Ssimon 100160814Ssimon/* RAND stuff */ 101160814Ssimonstatic int surewarehk_rand_bytes(unsigned char *buf, int num); 102160814Ssimonstatic void surewarehk_rand_seed(const void *buf, int num); 103160814Ssimonstatic void surewarehk_rand_add(const void *buf, int num, double entropy); 104160814Ssimon 105160814Ssimon/* KM stuff */ 106160814Ssimonstatic EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id, 107296465Sdelphij UI_METHOD *ui_method, 108296465Sdelphij void *callback_data); 109160814Ssimonstatic EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id, 110296465Sdelphij UI_METHOD *ui_method, 111296465Sdelphij void *callback_data); 112160814Ssimonstatic void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, 113296465Sdelphij int idx, long argl, void *argp); 114296465Sdelphij# if 0 115160814Ssimonstatic void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, 116296465Sdelphij int idx, long argl, void *argp); 117296465Sdelphij# endif 118160814Ssimon 119296465Sdelphij# ifndef OPENSSL_NO_RSA 120160814Ssimon/* This function is aliased to mod_exp (with the mont stuff dropped). */ 121296465Sdelphijstatic int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, 122296465Sdelphij const BIGNUM *p, const BIGNUM *m, 123296465Sdelphij BN_CTX *ctx, BN_MONT_CTX *m_ctx) 124160814Ssimon{ 125296465Sdelphij return surewarehk_modexp(r, a, p, m, ctx); 126160814Ssimon} 127160814Ssimon 128160814Ssimon/* Our internal RSA_METHOD that we provide pointers to */ 129296465Sdelphijstatic RSA_METHOD surewarehk_rsa = { 130296465Sdelphij "SureWare RSA method", 131296465Sdelphij NULL, /* pub_enc */ 132296465Sdelphij NULL, /* pub_dec */ 133296465Sdelphij surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc */ 134296465Sdelphij surewarehk_rsa_priv_dec, /* priv_dec */ 135296465Sdelphij NULL, /* mod_exp */ 136296465Sdelphij surewarehk_mod_exp_mont, /* mod_exp_mongomery */ 137296465Sdelphij NULL, /* init */ 138296465Sdelphij NULL, /* finish */ 139296465Sdelphij 0, /* RSA flag */ 140296465Sdelphij NULL, 141296465Sdelphij NULL, /* OpenSSL sign */ 142296465Sdelphij NULL, /* OpenSSL verify */ 143296465Sdelphij NULL /* keygen */ 144296465Sdelphij}; 145296465Sdelphij# endif 146160814Ssimon 147296465Sdelphij# ifndef OPENSSL_NO_DH 148160814Ssimon/* Our internal DH_METHOD that we provide pointers to */ 149160814Ssimon/* This function is aliased to mod_exp (with the dh and mont dropped). */ 150160814Ssimonstatic int surewarehk_modexp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, 151296465Sdelphij const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, 152296465Sdelphij BN_MONT_CTX *m_ctx) 153160814Ssimon{ 154296465Sdelphij return surewarehk_modexp(r, a, p, m, ctx); 155160814Ssimon} 156160814Ssimon 157296465Sdelphijstatic DH_METHOD surewarehk_dh = { 158296465Sdelphij "SureWare DH method", 159296465Sdelphij NULL, /* gen_key */ 160296465Sdelphij NULL, /* agree, */ 161296465Sdelphij surewarehk_modexp_dh, /* dh mod exp */ 162296465Sdelphij NULL, /* init */ 163296465Sdelphij NULL, /* finish */ 164296465Sdelphij 0, /* flags */ 165296465Sdelphij NULL, 166296465Sdelphij NULL 167296465Sdelphij}; 168296465Sdelphij# endif 169160814Ssimon 170296465Sdelphijstatic RAND_METHOD surewarehk_rand = { 171296465Sdelphij /* "SureWare RAND method", */ 172296465Sdelphij surewarehk_rand_seed, 173296465Sdelphij surewarehk_rand_bytes, 174296465Sdelphij NULL, /* cleanup */ 175296465Sdelphij surewarehk_rand_add, 176296465Sdelphij surewarehk_rand_bytes, 177296465Sdelphij NULL, /* rand_status */ 178296465Sdelphij}; 179160814Ssimon 180296465Sdelphij# ifndef OPENSSL_NO_DSA 181160814Ssimon/* DSA stuff */ 182296465Sdelphijstatic DSA_SIG *surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, 183296465Sdelphij DSA *dsa); 184160814Ssimonstatic int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1, 185296465Sdelphij BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, 186296465Sdelphij BIGNUM *m, BN_CTX *ctx, 187296465Sdelphij BN_MONT_CTX *in_mont) 188160814Ssimon{ 189296465Sdelphij BIGNUM t; 190296465Sdelphij int to_return = 0; 191296465Sdelphij BN_init(&t); 192296465Sdelphij /* let rr = a1 ^ p1 mod m */ 193296465Sdelphij if (!surewarehk_modexp(rr, a1, p1, m, ctx)) 194296465Sdelphij goto end; 195296465Sdelphij /* let t = a2 ^ p2 mod m */ 196296465Sdelphij if (!surewarehk_modexp(&t, a2, p2, m, ctx)) 197296465Sdelphij goto end; 198296465Sdelphij /* let rr = rr * t mod m */ 199296465Sdelphij if (!BN_mod_mul(rr, rr, &t, m, ctx)) 200296465Sdelphij goto end; 201296465Sdelphij to_return = 1; 202296465Sdelphij end: 203296465Sdelphij BN_free(&t); 204296465Sdelphij return to_return; 205160814Ssimon} 206160814Ssimon 207296465Sdelphijstatic DSA_METHOD surewarehk_dsa = { 208296465Sdelphij "SureWare DSA method", 209296465Sdelphij surewarehk_dsa_do_sign, 210296465Sdelphij NULL, /* sign setup */ 211296465Sdelphij NULL, /* verify, */ 212296465Sdelphij surewarehk_dsa_mod_exp, /* mod exp */ 213296465Sdelphij NULL, /* bn mod exp */ 214296465Sdelphij NULL, /* init */ 215296465Sdelphij NULL, /* finish */ 216296465Sdelphij 0, 217296465Sdelphij NULL, 218296465Sdelphij NULL, 219296465Sdelphij NULL 220296465Sdelphij}; 221296465Sdelphij# endif 222160814Ssimon 223160814Ssimonstatic const char *engine_sureware_id = "sureware"; 224160814Ssimonstatic const char *engine_sureware_name = "SureWare hardware engine support"; 225160814Ssimon 226160814Ssimon/* Now, to our own code */ 227160814Ssimon 228296465Sdelphij/* 229296465Sdelphij * As this is only ever called once, there's no need for locking (indeed - 230296465Sdelphij * the lock will already be held by our caller!!!) 231296465Sdelphij */ 232160814Ssimonstatic int bind_sureware(ENGINE *e) 233160814Ssimon{ 234296465Sdelphij# ifndef OPENSSL_NO_RSA 235296465Sdelphij const RSA_METHOD *meth1; 236296465Sdelphij# endif 237296465Sdelphij# ifndef OPENSSL_NO_DSA 238296465Sdelphij const DSA_METHOD *meth2; 239296465Sdelphij# endif 240296465Sdelphij# ifndef OPENSSL_NO_DH 241296465Sdelphij const DH_METHOD *meth3; 242296465Sdelphij# endif 243160814Ssimon 244296465Sdelphij if (!ENGINE_set_id(e, engine_sureware_id) || 245296465Sdelphij !ENGINE_set_name(e, engine_sureware_name) || 246296465Sdelphij# ifndef OPENSSL_NO_RSA 247296465Sdelphij !ENGINE_set_RSA(e, &surewarehk_rsa) || 248296465Sdelphij# endif 249296465Sdelphij# ifndef OPENSSL_NO_DSA 250296465Sdelphij !ENGINE_set_DSA(e, &surewarehk_dsa) || 251296465Sdelphij# endif 252296465Sdelphij# ifndef OPENSSL_NO_DH 253296465Sdelphij !ENGINE_set_DH(e, &surewarehk_dh) || 254296465Sdelphij# endif 255296465Sdelphij !ENGINE_set_RAND(e, &surewarehk_rand) || 256296465Sdelphij !ENGINE_set_destroy_function(e, surewarehk_destroy) || 257296465Sdelphij !ENGINE_set_init_function(e, surewarehk_init) || 258296465Sdelphij !ENGINE_set_finish_function(e, surewarehk_finish) || 259296465Sdelphij !ENGINE_set_ctrl_function(e, surewarehk_ctrl) || 260296465Sdelphij !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) || 261296465Sdelphij !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey)) 262296465Sdelphij return 0; 263160814Ssimon 264296465Sdelphij# ifndef OPENSSL_NO_RSA 265296465Sdelphij /* 266296465Sdelphij * We know that the "PKCS1_SSLeay()" functions hook properly to the 267296465Sdelphij * cswift-specific mod_exp and mod_exp_crt so we use those functions. NB: 268296465Sdelphij * We don't use ENGINE_openssl() or anything "more generic" because 269296465Sdelphij * something like the RSAref code may not hook properly, and if you own 270296465Sdelphij * one of these cards then you have the right to do RSA operations on it 271296465Sdelphij * anyway! 272296465Sdelphij */ 273296465Sdelphij meth1 = RSA_PKCS1_SSLeay(); 274296465Sdelphij if (meth1) { 275296465Sdelphij surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc; 276296465Sdelphij surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec; 277296465Sdelphij } 278296465Sdelphij# endif 279160814Ssimon 280296465Sdelphij# ifndef OPENSSL_NO_DSA 281296465Sdelphij /* 282296465Sdelphij * Use the DSA_OpenSSL() method and just hook the mod_exp-ish bits. 283296465Sdelphij */ 284296465Sdelphij meth2 = DSA_OpenSSL(); 285296465Sdelphij if (meth2) { 286296465Sdelphij surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify; 287296465Sdelphij } 288296465Sdelphij# endif 289160814Ssimon 290296465Sdelphij# ifndef OPENSSL_NO_DH 291296465Sdelphij /* Much the same for Diffie-Hellman */ 292296465Sdelphij meth3 = DH_OpenSSL(); 293296465Sdelphij if (meth3) { 294296465Sdelphij surewarehk_dh.generate_key = meth3->generate_key; 295296465Sdelphij surewarehk_dh.compute_key = meth3->compute_key; 296296465Sdelphij } 297296465Sdelphij# endif 298160814Ssimon 299296465Sdelphij /* Ensure the sureware error handling is set up */ 300296465Sdelphij ERR_load_SUREWARE_strings(); 301296465Sdelphij return 1; 302160814Ssimon} 303160814Ssimon 304296465Sdelphij# ifndef OPENSSL_NO_DYNAMIC_ENGINE 305160814Ssimonstatic int bind_helper(ENGINE *e, const char *id) 306296465Sdelphij{ 307296465Sdelphij if (id && (strcmp(id, engine_sureware_id) != 0)) 308296465Sdelphij return 0; 309296465Sdelphij if (!bind_sureware(e)) 310296465Sdelphij return 0; 311296465Sdelphij return 1; 312296465Sdelphij} 313296465Sdelphij 314160814SsimonIMPLEMENT_DYNAMIC_CHECK_FN() 315296465Sdelphij IMPLEMENT_DYNAMIC_BIND_FN(bind_helper) 316296465Sdelphij# else 317160814Ssimonstatic ENGINE *engine_sureware(void) 318296465Sdelphij{ 319296465Sdelphij ENGINE *ret = ENGINE_new(); 320296465Sdelphij if (!ret) 321296465Sdelphij return NULL; 322296465Sdelphij if (!bind_sureware(ret)) { 323296465Sdelphij ENGINE_free(ret); 324296465Sdelphij return NULL; 325296465Sdelphij } 326296465Sdelphij return ret; 327296465Sdelphij} 328160814Ssimon 329160814Ssimonvoid ENGINE_load_sureware(void) 330296465Sdelphij{ 331296465Sdelphij /* Copied from eng_[openssl|dyn].c */ 332296465Sdelphij ENGINE *toadd = engine_sureware(); 333296465Sdelphij if (!toadd) 334296465Sdelphij return; 335296465Sdelphij ENGINE_add(toadd); 336296465Sdelphij ENGINE_free(toadd); 337296465Sdelphij ERR_clear_error(); 338296465Sdelphij} 339296465Sdelphij# endif 340160814Ssimon 341296465Sdelphij/* 342296465Sdelphij * This is a process-global DSO handle used for loading and unloading the 343296465Sdelphij * SureWareHook library. NB: This is only set (or unset) during an init() or 344296465Sdelphij * finish() call (reference counts permitting) and they're operating with 345296465Sdelphij * global locks, so this should be thread-safe implicitly. 346296465Sdelphij */ 347160814Ssimonstatic DSO *surewarehk_dso = NULL; 348296465Sdelphij# ifndef OPENSSL_NO_RSA 349296465Sdelphij/* Index for KM handle. Not really used yet. */ 350296465Sdelphijstatic int rsaHndidx = -1; 351296465Sdelphij# endif 352296465Sdelphij# ifndef OPENSSL_NO_DSA 353296465Sdelphij/* Index for KM handle. Not really used yet. */ 354296465Sdelphijstatic int dsaHndidx = -1; 355296465Sdelphij# endif 356160814Ssimon 357296465Sdelphij/* 358296465Sdelphij * These are the function pointers that are (un)set when the library has 359296465Sdelphij * successfully (un)loaded. 360296465Sdelphij */ 361160814Ssimonstatic SureWareHook_Init_t *p_surewarehk_Init = NULL; 362160814Ssimonstatic SureWareHook_Finish_t *p_surewarehk_Finish = NULL; 363160814Ssimonstatic SureWareHook_Rand_Bytes_t *p_surewarehk_Rand_Bytes = NULL; 364160814Ssimonstatic SureWareHook_Rand_Seed_t *p_surewarehk_Rand_Seed = NULL; 365160814Ssimonstatic SureWareHook_Load_Privkey_t *p_surewarehk_Load_Privkey = NULL; 366160814Ssimonstatic SureWareHook_Info_Pubkey_t *p_surewarehk_Info_Pubkey = NULL; 367160814Ssimonstatic SureWareHook_Load_Rsa_Pubkey_t *p_surewarehk_Load_Rsa_Pubkey = NULL; 368160814Ssimonstatic SureWareHook_Load_Dsa_Pubkey_t *p_surewarehk_Load_Dsa_Pubkey = NULL; 369296465Sdelphijstatic SureWareHook_Free_t *p_surewarehk_Free = NULL; 370296465Sdelphijstatic SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec = NULL; 371296465Sdelphijstatic SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign = NULL; 372296465Sdelphijstatic SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign = NULL; 373296465Sdelphijstatic SureWareHook_Mod_Exp_t *p_surewarehk_Mod_Exp = NULL; 374160814Ssimon 375160814Ssimon/* Used in the DSO operations. */ 376160814Ssimonstatic const char *surewarehk_LIBNAME = "SureWareHook"; 377160814Ssimonstatic const char *n_surewarehk_Init = "SureWareHook_Init"; 378160814Ssimonstatic const char *n_surewarehk_Finish = "SureWareHook_Finish"; 379296465Sdelphijstatic const char *n_surewarehk_Rand_Bytes = "SureWareHook_Rand_Bytes"; 380296465Sdelphijstatic const char *n_surewarehk_Rand_Seed = "SureWareHook_Rand_Seed"; 381296465Sdelphijstatic const char *n_surewarehk_Load_Privkey = "SureWareHook_Load_Privkey"; 382296465Sdelphijstatic const char *n_surewarehk_Info_Pubkey = "SureWareHook_Info_Pubkey"; 383296465Sdelphijstatic const char *n_surewarehk_Load_Rsa_Pubkey = 384296465Sdelphij "SureWareHook_Load_Rsa_Pubkey"; 385296465Sdelphijstatic const char *n_surewarehk_Load_Dsa_Pubkey = 386296465Sdelphij "SureWareHook_Load_Dsa_Pubkey"; 387296465Sdelphijstatic const char *n_surewarehk_Free = "SureWareHook_Free"; 388296465Sdelphijstatic const char *n_surewarehk_Rsa_Priv_Dec = "SureWareHook_Rsa_Priv_Dec"; 389296465Sdelphijstatic const char *n_surewarehk_Rsa_Sign = "SureWareHook_Rsa_Sign"; 390296465Sdelphijstatic const char *n_surewarehk_Dsa_Sign = "SureWareHook_Dsa_Sign"; 391296465Sdelphijstatic const char *n_surewarehk_Mod_Exp = "SureWareHook_Mod_Exp"; 392160814Ssimonstatic BIO *logstream = NULL; 393160814Ssimon 394296465Sdelphij/* 395296465Sdelphij * SureWareHook library functions and mechanics - these are used by the 396296465Sdelphij * higher-level functions further down. NB: As and where there's no error 397296465Sdelphij * checking, take a look lower down where these functions are called, the 398296465Sdelphij * checking and error handling is probably down there. 399296465Sdelphij */ 400296465Sdelphijstatic int threadsafe = 1; 401296465Sdelphijstatic int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, 402296465Sdelphij void (*f) (void)) 403160814Ssimon{ 404296465Sdelphij int to_return = 1; 405160814Ssimon 406296465Sdelphij switch (cmd) { 407296465Sdelphij case ENGINE_CTRL_SET_LOGSTREAM: 408296465Sdelphij { 409296465Sdelphij BIO *bio = (BIO *)p; 410296465Sdelphij CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 411296465Sdelphij if (logstream) { 412296465Sdelphij BIO_free(logstream); 413296465Sdelphij logstream = NULL; 414296465Sdelphij } 415296465Sdelphij if (CRYPTO_add(&bio->references, 1, CRYPTO_LOCK_BIO) > 1) 416296465Sdelphij logstream = bio; 417296465Sdelphij else 418296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL, 419296465Sdelphij SUREWARE_R_BIO_WAS_FREED); 420296465Sdelphij } 421296465Sdelphij CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 422296465Sdelphij break; 423296465Sdelphij /* 424296465Sdelphij * This will prevent the initialisation function from "installing" 425296465Sdelphij * the mutex-handling callbacks, even if they are available from 426296465Sdelphij * within the library (or were provided to the library from the 427296465Sdelphij * calling application). This is to remove any baggage for 428296465Sdelphij * applications not using multithreading. 429296465Sdelphij */ 430296465Sdelphij case ENGINE_CTRL_CHIL_NO_LOCKING: 431296465Sdelphij CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 432296465Sdelphij threadsafe = 0; 433296465Sdelphij CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 434296465Sdelphij break; 435160814Ssimon 436296465Sdelphij /* The command isn't understood by this engine */ 437296465Sdelphij default: 438296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL, 439296465Sdelphij ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED); 440296465Sdelphij to_return = 0; 441296465Sdelphij break; 442296465Sdelphij } 443160814Ssimon 444296465Sdelphij return to_return; 445160814Ssimon} 446160814Ssimon 447160814Ssimon/* Destructor (complements the "ENGINE_surewarehk()" constructor) */ 448160814Ssimonstatic int surewarehk_destroy(ENGINE *e) 449160814Ssimon{ 450296465Sdelphij ERR_unload_SUREWARE_strings(); 451296465Sdelphij return 1; 452160814Ssimon} 453160814Ssimon 454160814Ssimon/* (de)initialisation functions. */ 455160814Ssimonstatic int surewarehk_init(ENGINE *e) 456160814Ssimon{ 457296465Sdelphij char msg[64] = "ENGINE_init"; 458296465Sdelphij SureWareHook_Init_t *p1 = NULL; 459296465Sdelphij SureWareHook_Finish_t *p2 = NULL; 460296465Sdelphij SureWareHook_Rand_Bytes_t *p3 = NULL; 461296465Sdelphij SureWareHook_Rand_Seed_t *p4 = NULL; 462296465Sdelphij SureWareHook_Load_Privkey_t *p5 = NULL; 463296465Sdelphij SureWareHook_Load_Rsa_Pubkey_t *p6 = NULL; 464296465Sdelphij SureWareHook_Free_t *p7 = NULL; 465296465Sdelphij SureWareHook_Rsa_Priv_Dec_t *p8 = NULL; 466296465Sdelphij SureWareHook_Rsa_Sign_t *p9 = NULL; 467296465Sdelphij SureWareHook_Dsa_Sign_t *p12 = NULL; 468296465Sdelphij SureWareHook_Info_Pubkey_t *p13 = NULL; 469296465Sdelphij SureWareHook_Load_Dsa_Pubkey_t *p14 = NULL; 470296465Sdelphij SureWareHook_Mod_Exp_t *p15 = NULL; 471160814Ssimon 472296465Sdelphij if (surewarehk_dso != NULL) { 473296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, ENGINE_R_ALREADY_LOADED); 474296465Sdelphij goto err; 475296465Sdelphij } 476296465Sdelphij /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */ 477296465Sdelphij surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0); 478296465Sdelphij if (surewarehk_dso == NULL) { 479296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, ENGINE_R_DSO_FAILURE); 480296465Sdelphij goto err; 481296465Sdelphij } 482296465Sdelphij if (! 483296465Sdelphij (p1 = 484296465Sdelphij (SureWareHook_Init_t *) DSO_bind_func(surewarehk_dso, 485296465Sdelphij n_surewarehk_Init)) 486296465Sdelphij|| !(p2 = 487296465Sdelphij (SureWareHook_Finish_t *) DSO_bind_func(surewarehk_dso, 488296465Sdelphij n_surewarehk_Finish)) 489296465Sdelphij|| !(p3 = 490296465Sdelphij (SureWareHook_Rand_Bytes_t *) DSO_bind_func(surewarehk_dso, 491296465Sdelphij n_surewarehk_Rand_Bytes)) 492296465Sdelphij|| !(p4 = 493296465Sdelphij (SureWareHook_Rand_Seed_t *) DSO_bind_func(surewarehk_dso, 494296465Sdelphij n_surewarehk_Rand_Seed)) 495296465Sdelphij|| !(p5 = 496296465Sdelphij (SureWareHook_Load_Privkey_t *) DSO_bind_func(surewarehk_dso, 497296465Sdelphij n_surewarehk_Load_Privkey)) 498296465Sdelphij|| !(p6 = 499296465Sdelphij (SureWareHook_Load_Rsa_Pubkey_t *) DSO_bind_func(surewarehk_dso, 500296465Sdelphij n_surewarehk_Load_Rsa_Pubkey)) 501296465Sdelphij|| !(p7 = 502296465Sdelphij (SureWareHook_Free_t *) DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) 503296465Sdelphij|| !(p8 = 504296465Sdelphij (SureWareHook_Rsa_Priv_Dec_t *) DSO_bind_func(surewarehk_dso, 505296465Sdelphij n_surewarehk_Rsa_Priv_Dec)) 506296465Sdelphij|| !(p9 = 507296465Sdelphij (SureWareHook_Rsa_Sign_t *) DSO_bind_func(surewarehk_dso, 508296465Sdelphij n_surewarehk_Rsa_Sign)) 509296465Sdelphij|| !(p12 = 510296465Sdelphij (SureWareHook_Dsa_Sign_t *) DSO_bind_func(surewarehk_dso, 511296465Sdelphij n_surewarehk_Dsa_Sign)) 512296465Sdelphij|| !(p13 = 513296465Sdelphij (SureWareHook_Info_Pubkey_t *) DSO_bind_func(surewarehk_dso, 514296465Sdelphij n_surewarehk_Info_Pubkey)) 515296465Sdelphij|| !(p14 = 516296465Sdelphij (SureWareHook_Load_Dsa_Pubkey_t *) DSO_bind_func(surewarehk_dso, 517296465Sdelphij n_surewarehk_Load_Dsa_Pubkey)) 518296465Sdelphij|| !(p15 = 519296465Sdelphij (SureWareHook_Mod_Exp_t *) DSO_bind_func(surewarehk_dso, 520296465Sdelphij n_surewarehk_Mod_Exp))) { 521296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, ENGINE_R_DSO_FAILURE); 522296465Sdelphij goto err; 523296465Sdelphij } 524296465Sdelphij /* Copy the pointers */ 525296465Sdelphij p_surewarehk_Init = p1; 526296465Sdelphij p_surewarehk_Finish = p2; 527296465Sdelphij p_surewarehk_Rand_Bytes = p3; 528296465Sdelphij p_surewarehk_Rand_Seed = p4; 529296465Sdelphij p_surewarehk_Load_Privkey = p5; 530296465Sdelphij p_surewarehk_Load_Rsa_Pubkey = p6; 531296465Sdelphij p_surewarehk_Free = p7; 532296465Sdelphij p_surewarehk_Rsa_Priv_Dec = p8; 533296465Sdelphij p_surewarehk_Rsa_Sign = p9; 534296465Sdelphij p_surewarehk_Dsa_Sign = p12; 535296465Sdelphij p_surewarehk_Info_Pubkey = p13; 536296465Sdelphij p_surewarehk_Load_Dsa_Pubkey = p14; 537296465Sdelphij p_surewarehk_Mod_Exp = p15; 538296465Sdelphij /* Contact the hardware and initialises it. */ 539296465Sdelphij if (p_surewarehk_Init(msg, threadsafe) == SUREWAREHOOK_ERROR_UNIT_FAILURE) { 540296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, SUREWARE_R_UNIT_FAILURE); 541296465Sdelphij goto err; 542296465Sdelphij } 543296465Sdelphij if (p_surewarehk_Init(msg, threadsafe) == SUREWAREHOOK_ERROR_UNIT_FAILURE) { 544296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, SUREWARE_R_UNIT_FAILURE); 545296465Sdelphij goto err; 546296465Sdelphij } 547296465Sdelphij /* 548296465Sdelphij * try to load the default private key, if failed does not return a 549296465Sdelphij * failure but wait for an explicit ENGINE_load_privakey 550296465Sdelphij */ 551296465Sdelphij surewarehk_load_privkey(e, NULL, NULL, NULL); 552160814Ssimon 553296465Sdelphij /* Everything's fine. */ 554296465Sdelphij# ifndef OPENSSL_NO_RSA 555296465Sdelphij if (rsaHndidx == -1) 556296465Sdelphij rsaHndidx = RSA_get_ex_new_index(0, 557296465Sdelphij "SureWareHook RSA key handle", 558296465Sdelphij NULL, NULL, surewarehk_ex_free); 559296465Sdelphij# endif 560296465Sdelphij# ifndef OPENSSL_NO_DSA 561296465Sdelphij if (dsaHndidx == -1) 562296465Sdelphij dsaHndidx = DSA_get_ex_new_index(0, 563296465Sdelphij "SureWareHook DSA key handle", 564296465Sdelphij NULL, NULL, surewarehk_ex_free); 565296465Sdelphij# endif 566160814Ssimon 567296465Sdelphij return 1; 568296465Sdelphij err: 569296465Sdelphij if (surewarehk_dso) 570296465Sdelphij DSO_free(surewarehk_dso); 571296465Sdelphij surewarehk_dso = NULL; 572296465Sdelphij p_surewarehk_Init = NULL; 573296465Sdelphij p_surewarehk_Finish = NULL; 574296465Sdelphij p_surewarehk_Rand_Bytes = NULL; 575296465Sdelphij p_surewarehk_Rand_Seed = NULL; 576296465Sdelphij p_surewarehk_Load_Privkey = NULL; 577296465Sdelphij p_surewarehk_Load_Rsa_Pubkey = NULL; 578296465Sdelphij p_surewarehk_Free = NULL; 579296465Sdelphij p_surewarehk_Rsa_Priv_Dec = NULL; 580296465Sdelphij p_surewarehk_Rsa_Sign = NULL; 581296465Sdelphij p_surewarehk_Dsa_Sign = NULL; 582296465Sdelphij p_surewarehk_Info_Pubkey = NULL; 583296465Sdelphij p_surewarehk_Load_Dsa_Pubkey = NULL; 584296465Sdelphij p_surewarehk_Mod_Exp = NULL; 585296465Sdelphij return 0; 586160814Ssimon} 587160814Ssimon 588160814Ssimonstatic int surewarehk_finish(ENGINE *e) 589160814Ssimon{ 590296465Sdelphij int to_return = 1; 591296465Sdelphij if (surewarehk_dso == NULL) { 592296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH, ENGINE_R_NOT_LOADED); 593296465Sdelphij to_return = 0; 594296465Sdelphij goto err; 595296465Sdelphij } 596296465Sdelphij p_surewarehk_Finish(); 597296465Sdelphij if (!DSO_free(surewarehk_dso)) { 598296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH, ENGINE_R_DSO_FAILURE); 599296465Sdelphij to_return = 0; 600296465Sdelphij goto err; 601296465Sdelphij } 602160814Ssimon err: 603296465Sdelphij if (logstream) 604296465Sdelphij BIO_free(logstream); 605296465Sdelphij surewarehk_dso = NULL; 606296465Sdelphij p_surewarehk_Init = NULL; 607296465Sdelphij p_surewarehk_Finish = NULL; 608296465Sdelphij p_surewarehk_Rand_Bytes = NULL; 609296465Sdelphij p_surewarehk_Rand_Seed = NULL; 610296465Sdelphij p_surewarehk_Load_Privkey = NULL; 611296465Sdelphij p_surewarehk_Load_Rsa_Pubkey = NULL; 612296465Sdelphij p_surewarehk_Free = NULL; 613296465Sdelphij p_surewarehk_Rsa_Priv_Dec = NULL; 614296465Sdelphij p_surewarehk_Rsa_Sign = NULL; 615296465Sdelphij p_surewarehk_Dsa_Sign = NULL; 616296465Sdelphij p_surewarehk_Info_Pubkey = NULL; 617296465Sdelphij p_surewarehk_Load_Dsa_Pubkey = NULL; 618296465Sdelphij p_surewarehk_Mod_Exp = NULL; 619296465Sdelphij return to_return; 620160814Ssimon} 621160814Ssimon 622296465Sdelphijstatic void surewarehk_error_handling(char *const msg, int func, int ret) 623160814Ssimon{ 624296465Sdelphij switch (ret) { 625296465Sdelphij case SUREWAREHOOK_ERROR_UNIT_FAILURE: 626296465Sdelphij ENGINEerr(func, SUREWARE_R_UNIT_FAILURE); 627296465Sdelphij break; 628296465Sdelphij case SUREWAREHOOK_ERROR_FALLBACK: 629296465Sdelphij ENGINEerr(func, SUREWARE_R_REQUEST_FALLBACK); 630296465Sdelphij break; 631296465Sdelphij case SUREWAREHOOK_ERROR_DATA_SIZE: 632296465Sdelphij ENGINEerr(func, SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL); 633296465Sdelphij break; 634296465Sdelphij case SUREWAREHOOK_ERROR_INVALID_PAD: 635296465Sdelphij ENGINEerr(func, SUREWARE_R_PADDING_CHECK_FAILED); 636296465Sdelphij break; 637296465Sdelphij default: 638296465Sdelphij ENGINEerr(func, SUREWARE_R_REQUEST_FAILED); 639296465Sdelphij break; 640296465Sdelphij case 1: /* nothing */ 641296465Sdelphij msg[0] = '\0'; 642296465Sdelphij } 643296465Sdelphij if (*msg) { 644296465Sdelphij ERR_add_error_data(1, msg); 645296465Sdelphij if (logstream) { 646296465Sdelphij CRYPTO_w_lock(CRYPTO_LOCK_BIO); 647296465Sdelphij BIO_write(logstream, msg, strlen(msg)); 648296465Sdelphij CRYPTO_w_unlock(CRYPTO_LOCK_BIO); 649296465Sdelphij } 650296465Sdelphij } 651160814Ssimon} 652160814Ssimon 653160814Ssimonstatic int surewarehk_rand_bytes(unsigned char *buf, int num) 654160814Ssimon{ 655296465Sdelphij int ret = 0; 656296465Sdelphij char msg[64] = "ENGINE_rand_bytes"; 657296465Sdelphij if (!p_surewarehk_Rand_Bytes) { 658296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES, 659296465Sdelphij ENGINE_R_NOT_INITIALISED); 660296465Sdelphij } else { 661296465Sdelphij ret = p_surewarehk_Rand_Bytes(msg, buf, num); 662296465Sdelphij surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RAND_BYTES, ret); 663296465Sdelphij } 664296465Sdelphij return ret == 1 ? 1 : 0; 665160814Ssimon} 666160814Ssimon 667160814Ssimonstatic void surewarehk_rand_seed(const void *buf, int num) 668160814Ssimon{ 669296465Sdelphij int ret = 0; 670296465Sdelphij char msg[64] = "ENGINE_rand_seed"; 671296465Sdelphij if (!p_surewarehk_Rand_Seed) { 672296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED, 673296465Sdelphij ENGINE_R_NOT_INITIALISED); 674296465Sdelphij } else { 675296465Sdelphij ret = p_surewarehk_Rand_Seed(msg, buf, num); 676296465Sdelphij surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RAND_SEED, ret); 677296465Sdelphij } 678160814Ssimon} 679160814Ssimon 680160814Ssimonstatic void surewarehk_rand_add(const void *buf, int num, double entropy) 681160814Ssimon{ 682296465Sdelphij surewarehk_rand_seed(buf, num); 683160814Ssimon} 684160814Ssimon 685296465Sdelphijstatic EVP_PKEY *sureware_load_public(ENGINE *e, const char *key_id, 686296465Sdelphij char *hptr, unsigned long el, 687296465Sdelphij char keytype) 688160814Ssimon{ 689296465Sdelphij EVP_PKEY *res = NULL; 690296465Sdelphij# ifndef OPENSSL_NO_RSA 691296465Sdelphij RSA *rsatmp = NULL; 692296465Sdelphij# endif 693296465Sdelphij# ifndef OPENSSL_NO_DSA 694296465Sdelphij DSA *dsatmp = NULL; 695296465Sdelphij# endif 696296465Sdelphij char msg[64] = "sureware_load_public"; 697296465Sdelphij int ret = 0; 698296465Sdelphij if (!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey) { 699296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC, 700296465Sdelphij ENGINE_R_NOT_INITIALISED); 701296465Sdelphij goto err; 702296465Sdelphij } 703296465Sdelphij switch (keytype) { 704296465Sdelphij# ifndef OPENSSL_NO_RSA 705296465Sdelphij case 1: 706296465Sdelphij /*RSA*/ 707296465Sdelphij /* set private external reference */ 708296465Sdelphij rsatmp = RSA_new_method(e); 709296465Sdelphij RSA_set_ex_data(rsatmp, rsaHndidx, hptr); 710296465Sdelphij rsatmp->flags |= RSA_FLAG_EXT_PKEY; 711160814Ssimon 712296465Sdelphij /* set public big nums */ 713296465Sdelphij rsatmp->e = BN_new(); 714296465Sdelphij rsatmp->n = BN_new(); 715296465Sdelphij bn_expand2(rsatmp->e, el / sizeof(BN_ULONG)); 716296465Sdelphij bn_expand2(rsatmp->n, el / sizeof(BN_ULONG)); 717296465Sdelphij if (!rsatmp->e || rsatmp->e->dmax != (int)(el / sizeof(BN_ULONG)) || 718296465Sdelphij !rsatmp->n || rsatmp->n->dmax != (int)(el / sizeof(BN_ULONG))) 719296465Sdelphij goto err; 720296465Sdelphij ret = p_surewarehk_Load_Rsa_Pubkey(msg, key_id, el, 721296465Sdelphij (unsigned long *)rsatmp->n->d, 722296465Sdelphij (unsigned long *)rsatmp->e->d); 723296465Sdelphij surewarehk_error_handling(msg, SUREWARE_F_SUREWARE_LOAD_PUBLIC, ret); 724296465Sdelphij if (ret != 1) { 725296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC, 726296465Sdelphij ENGINE_R_FAILED_LOADING_PUBLIC_KEY); 727296465Sdelphij goto err; 728296465Sdelphij } 729296465Sdelphij /* normalise pub e and pub n */ 730296465Sdelphij rsatmp->e->top = el / sizeof(BN_ULONG); 731296465Sdelphij bn_fix_top(rsatmp->e); 732296465Sdelphij rsatmp->n->top = el / sizeof(BN_ULONG); 733296465Sdelphij bn_fix_top(rsatmp->n); 734296465Sdelphij /* create an EVP object: engine + rsa key */ 735296465Sdelphij res = EVP_PKEY_new(); 736296465Sdelphij EVP_PKEY_assign_RSA(res, rsatmp); 737296465Sdelphij break; 738296465Sdelphij# endif 739160814Ssimon 740296465Sdelphij# ifndef OPENSSL_NO_DSA 741296465Sdelphij case 2: 742296465Sdelphij /*DSA*/ 743296465Sdelphij /* set private/public external reference */ 744296465Sdelphij dsatmp = DSA_new_method(e); 745296465Sdelphij DSA_set_ex_data(dsatmp, dsaHndidx, hptr); 746296465Sdelphij /* 747296465Sdelphij * dsatmp->flags |= DSA_FLAG_EXT_PKEY; 748296465Sdelphij */ 749160814Ssimon 750296465Sdelphij /* set public key */ 751296465Sdelphij dsatmp->pub_key = BN_new(); 752296465Sdelphij dsatmp->p = BN_new(); 753296465Sdelphij dsatmp->q = BN_new(); 754296465Sdelphij dsatmp->g = BN_new(); 755296465Sdelphij bn_expand2(dsatmp->pub_key, el / sizeof(BN_ULONG)); 756296465Sdelphij bn_expand2(dsatmp->p, el / sizeof(BN_ULONG)); 757296465Sdelphij bn_expand2(dsatmp->q, 20 / sizeof(BN_ULONG)); 758296465Sdelphij bn_expand2(dsatmp->g, el / sizeof(BN_ULONG)); 759296465Sdelphij if (!dsatmp->pub_key 760296465Sdelphij || dsatmp->pub_key->dmax != (int)(el / sizeof(BN_ULONG)) 761296465Sdelphij || !dsatmp->p || dsatmp->p->dmax != (int)(el / sizeof(BN_ULONG)) 762296465Sdelphij || !dsatmp->q || dsatmp->q->dmax != 20 / sizeof(BN_ULONG) 763296465Sdelphij || !dsatmp->g || dsatmp->g->dmax != (int)(el / sizeof(BN_ULONG))) 764296465Sdelphij goto err; 765160814Ssimon 766296465Sdelphij ret = p_surewarehk_Load_Dsa_Pubkey(msg, key_id, el, 767296465Sdelphij (unsigned long *)dsatmp-> 768296465Sdelphij pub_key->d, 769296465Sdelphij (unsigned long *)dsatmp->p->d, 770296465Sdelphij (unsigned long *)dsatmp->q->d, 771296465Sdelphij (unsigned long *)dsatmp->g->d); 772296465Sdelphij surewarehk_error_handling(msg, SUREWARE_F_SUREWARE_LOAD_PUBLIC, ret); 773296465Sdelphij if (ret != 1) { 774296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC, 775296465Sdelphij ENGINE_R_FAILED_LOADING_PUBLIC_KEY); 776296465Sdelphij goto err; 777296465Sdelphij } 778296465Sdelphij /* set parameters */ 779296465Sdelphij /* normalise pubkey and parameters in case of */ 780296465Sdelphij dsatmp->pub_key->top = el / sizeof(BN_ULONG); 781296465Sdelphij bn_fix_top(dsatmp->pub_key); 782296465Sdelphij dsatmp->p->top = el / sizeof(BN_ULONG); 783296465Sdelphij bn_fix_top(dsatmp->p); 784296465Sdelphij dsatmp->q->top = 20 / sizeof(BN_ULONG); 785296465Sdelphij bn_fix_top(dsatmp->q); 786296465Sdelphij dsatmp->g->top = el / sizeof(BN_ULONG); 787296465Sdelphij bn_fix_top(dsatmp->g); 788160814Ssimon 789296465Sdelphij /* create an EVP object: engine + rsa key */ 790296465Sdelphij res = EVP_PKEY_new(); 791296465Sdelphij EVP_PKEY_assign_DSA(res, dsatmp); 792296465Sdelphij break; 793296465Sdelphij# endif 794160814Ssimon 795296465Sdelphij default: 796296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC, 797296465Sdelphij ENGINE_R_FAILED_LOADING_PRIVATE_KEY); 798296465Sdelphij goto err; 799296465Sdelphij } 800296465Sdelphij return res; 801160814Ssimon err: 802296465Sdelphij if (res) 803296465Sdelphij EVP_PKEY_free(res); 804296465Sdelphij# ifndef OPENSSL_NO_RSA 805296465Sdelphij if (rsatmp) 806296465Sdelphij RSA_free(rsatmp); 807296465Sdelphij# endif 808296465Sdelphij# ifndef OPENSSL_NO_DSA 809296465Sdelphij if (dsatmp) 810296465Sdelphij DSA_free(dsatmp); 811296465Sdelphij# endif 812296465Sdelphij return NULL; 813160814Ssimon} 814160814Ssimon 815160814Ssimonstatic EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id, 816296465Sdelphij UI_METHOD *ui_method, 817296465Sdelphij void *callback_data) 818160814Ssimon{ 819296465Sdelphij EVP_PKEY *res = NULL; 820296465Sdelphij int ret = 0; 821296465Sdelphij unsigned long el = 0; 822296465Sdelphij char *hptr = NULL; 823296465Sdelphij char keytype = 0; 824296465Sdelphij char msg[64] = "ENGINE_load_privkey"; 825160814Ssimon 826296465Sdelphij if (!p_surewarehk_Load_Privkey) { 827296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY, 828296465Sdelphij ENGINE_R_NOT_INITIALISED); 829296465Sdelphij } else { 830296465Sdelphij ret = p_surewarehk_Load_Privkey(msg, key_id, &hptr, &el, &keytype); 831296465Sdelphij if (ret != 1) { 832296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY, 833296465Sdelphij ENGINE_R_FAILED_LOADING_PRIVATE_KEY); 834296465Sdelphij ERR_add_error_data(1, msg); 835296465Sdelphij } else 836296465Sdelphij res = sureware_load_public(e, key_id, hptr, el, keytype); 837296465Sdelphij } 838296465Sdelphij return res; 839160814Ssimon} 840160814Ssimon 841160814Ssimonstatic EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id, 842296465Sdelphij UI_METHOD *ui_method, 843296465Sdelphij void *callback_data) 844160814Ssimon{ 845296465Sdelphij EVP_PKEY *res = NULL; 846296465Sdelphij int ret = 0; 847296465Sdelphij unsigned long el = 0; 848296465Sdelphij char *hptr = NULL; 849296465Sdelphij char keytype = 0; 850296465Sdelphij char msg[64] = "ENGINE_load_pubkey"; 851160814Ssimon 852296465Sdelphij if (!p_surewarehk_Info_Pubkey) { 853296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY, 854296465Sdelphij ENGINE_R_NOT_INITIALISED); 855296465Sdelphij } else { 856296465Sdelphij /* call once to identify if DSA or RSA */ 857296465Sdelphij ret = p_surewarehk_Info_Pubkey(msg, key_id, &el, &keytype); 858296465Sdelphij if (ret != 1) { 859296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY, 860296465Sdelphij ENGINE_R_FAILED_LOADING_PUBLIC_KEY); 861296465Sdelphij ERR_add_error_data(1, msg); 862296465Sdelphij } else 863296465Sdelphij res = sureware_load_public(e, key_id, hptr, el, keytype); 864296465Sdelphij } 865296465Sdelphij return res; 866160814Ssimon} 867160814Ssimon 868296465Sdelphij/* 869296465Sdelphij * This cleans up an RSA/DSA KM key(do not destroy the key into the hardware) 870296465Sdelphij * , called when ex_data is freed 871296465Sdelphij */ 872160814Ssimonstatic void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, 873296465Sdelphij int idx, long argl, void *argp) 874160814Ssimon{ 875296465Sdelphij if (!p_surewarehk_Free) { 876296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE, ENGINE_R_NOT_INITIALISED); 877296465Sdelphij } else 878296465Sdelphij p_surewarehk_Free((char *)item, 0); 879160814Ssimon} 880160814Ssimon 881296465Sdelphij# if 0 882160814Ssimon/* not currently used (bug?) */ 883296465Sdelphij/* 884296465Sdelphij * This cleans up an DH KM key (destroys the key into hardware), called when 885296465Sdelphij * ex_data is freed 886296465Sdelphij */ 887160814Ssimonstatic void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, 888296465Sdelphij int idx, long argl, void *argp) 889160814Ssimon{ 890296465Sdelphij if (!p_surewarehk_Free) { 891296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_DH_EX_FREE, 892296465Sdelphij ENGINE_R_NOT_INITIALISED); 893296465Sdelphij } else 894296465Sdelphij p_surewarehk_Free((char *)item, 1); 895160814Ssimon} 896296465Sdelphij# endif 897160814Ssimon 898160814Ssimon/* 899296465Sdelphij * return number of decrypted bytes 900296465Sdelphij */ 901296465Sdelphij# ifndef OPENSSL_NO_RSA 902296465Sdelphijstatic int surewarehk_rsa_priv_dec(int flen, const unsigned char *from, 903296465Sdelphij unsigned char *to, RSA *rsa, int padding) 904160814Ssimon{ 905296465Sdelphij int ret = 0, tlen; 906296465Sdelphij char *buf = NULL, *hptr = NULL; 907296465Sdelphij char msg[64] = "ENGINE_rsa_priv_dec"; 908296465Sdelphij if (!p_surewarehk_Rsa_Priv_Dec) { 909296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 910296465Sdelphij ENGINE_R_NOT_INITIALISED); 911296465Sdelphij } 912296465Sdelphij /* extract ref to private key */ 913296465Sdelphij else if (!(hptr = RSA_get_ex_data(rsa, rsaHndidx))) { 914296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 915296465Sdelphij SUREWARE_R_MISSING_KEY_COMPONENTS); 916296465Sdelphij goto err; 917296465Sdelphij } 918296465Sdelphij /* analyse what padding we can do into the hardware */ 919296465Sdelphij if (padding == RSA_PKCS1_PADDING) { 920296465Sdelphij /* do it one shot */ 921296465Sdelphij ret = 922296465Sdelphij p_surewarehk_Rsa_Priv_Dec(msg, flen, (unsigned char *)from, &tlen, 923296465Sdelphij to, hptr, SUREWARE_PKCS1_PAD); 924296465Sdelphij surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 925296465Sdelphij ret); 926296465Sdelphij if (ret != 1) 927296465Sdelphij goto err; 928296465Sdelphij ret = tlen; 929296465Sdelphij } else { /* do with no padding into hardware */ 930296465Sdelphij 931296465Sdelphij ret = 932296465Sdelphij p_surewarehk_Rsa_Priv_Dec(msg, flen, (unsigned char *)from, &tlen, 933296465Sdelphij to, hptr, SUREWARE_NO_PAD); 934296465Sdelphij surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 935296465Sdelphij ret); 936296465Sdelphij if (ret != 1) 937296465Sdelphij goto err; 938296465Sdelphij /* intermediate buffer for padding */ 939296465Sdelphij if ((buf = OPENSSL_malloc(tlen)) == NULL) { 940296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 941296465Sdelphij ERR_R_MALLOC_FAILURE); 942296465Sdelphij goto err; 943296465Sdelphij } 944296465Sdelphij memcpy(buf, to, tlen); /* transfert to into buf */ 945296465Sdelphij switch (padding) { /* check padding in software */ 946296465Sdelphij# ifndef OPENSSL_NO_SHA 947296465Sdelphij case RSA_PKCS1_OAEP_PADDING: 948296465Sdelphij ret = 949296465Sdelphij RSA_padding_check_PKCS1_OAEP(to, tlen, (unsigned char *)buf, 950296465Sdelphij tlen, tlen, NULL, 0); 951296465Sdelphij break; 952296465Sdelphij# endif 953296465Sdelphij case RSA_SSLV23_PADDING: 954296465Sdelphij ret = 955296465Sdelphij RSA_padding_check_SSLv23(to, tlen, (unsigned char *)buf, flen, 956296465Sdelphij tlen); 957296465Sdelphij break; 958296465Sdelphij case RSA_NO_PADDING: 959296465Sdelphij ret = 960296465Sdelphij RSA_padding_check_none(to, tlen, (unsigned char *)buf, flen, 961296465Sdelphij tlen); 962296465Sdelphij break; 963296465Sdelphij default: 964296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 965296465Sdelphij SUREWARE_R_UNKNOWN_PADDING_TYPE); 966296465Sdelphij goto err; 967296465Sdelphij } 968296465Sdelphij if (ret < 0) 969296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 970296465Sdelphij SUREWARE_R_PADDING_CHECK_FAILED); 971296465Sdelphij } 972296465Sdelphij err: 973296465Sdelphij if (buf) { 974296465Sdelphij OPENSSL_cleanse(buf, tlen); 975296465Sdelphij OPENSSL_free(buf); 976296465Sdelphij } 977296465Sdelphij return ret; 978160814Ssimon} 979160814Ssimon 980160814Ssimon/* 981296465Sdelphij * Does what OpenSSL rsa_priv_enc does. 982296465Sdelphij */ 983296465Sdelphijstatic int surewarehk_rsa_sign(int flen, const unsigned char *from, 984296465Sdelphij unsigned char *to, RSA *rsa, int padding) 985160814Ssimon{ 986296465Sdelphij int ret = 0, tlen; 987296465Sdelphij char *hptr = NULL; 988296465Sdelphij char msg[64] = "ENGINE_rsa_sign"; 989296465Sdelphij if (!p_surewarehk_Rsa_Sign) { 990296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN, ENGINE_R_NOT_INITIALISED); 991296465Sdelphij } 992296465Sdelphij /* extract ref to private key */ 993296465Sdelphij else if (!(hptr = RSA_get_ex_data(rsa, rsaHndidx))) { 994296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN, 995296465Sdelphij SUREWARE_R_MISSING_KEY_COMPONENTS); 996296465Sdelphij } else { 997296465Sdelphij switch (padding) { 998296465Sdelphij case RSA_PKCS1_PADDING: /* do it in one shot */ 999296465Sdelphij ret = 1000296465Sdelphij p_surewarehk_Rsa_Sign(msg, flen, (unsigned char *)from, &tlen, 1001296465Sdelphij to, hptr, SUREWARE_PKCS1_PAD); 1002296465Sdelphij surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RSA_SIGN, 1003296465Sdelphij ret); 1004296465Sdelphij break; 1005296465Sdelphij case RSA_NO_PADDING: 1006296465Sdelphij default: 1007296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN, 1008296465Sdelphij SUREWARE_R_UNKNOWN_PADDING_TYPE); 1009296465Sdelphij } 1010296465Sdelphij } 1011296465Sdelphij return ret == 1 ? tlen : ret; 1012160814Ssimon} 1013160814Ssimon 1014296465Sdelphij# endif 1015160814Ssimon 1016296465Sdelphij# ifndef OPENSSL_NO_DSA 1017160814Ssimon/* DSA sign and verify */ 1018296465Sdelphijstatic DSA_SIG *surewarehk_dsa_do_sign(const unsigned char *from, int flen, 1019296465Sdelphij DSA *dsa) 1020160814Ssimon{ 1021296465Sdelphij int ret = 0; 1022296465Sdelphij char *hptr = NULL; 1023296465Sdelphij DSA_SIG *psign = NULL; 1024296465Sdelphij char msg[64] = "ENGINE_dsa_do_sign"; 1025296465Sdelphij if (!p_surewarehk_Dsa_Sign) { 1026296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN, 1027296465Sdelphij ENGINE_R_NOT_INITIALISED); 1028296465Sdelphij goto err; 1029296465Sdelphij } 1030296465Sdelphij /* extract ref to private key */ 1031296465Sdelphij else if (!(hptr = DSA_get_ex_data(dsa, dsaHndidx))) { 1032296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN, 1033296465Sdelphij SUREWARE_R_MISSING_KEY_COMPONENTS); 1034296465Sdelphij goto err; 1035296465Sdelphij } else { 1036296465Sdelphij if ((psign = DSA_SIG_new()) == NULL) { 1037296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN, 1038296465Sdelphij ERR_R_MALLOC_FAILURE); 1039296465Sdelphij goto err; 1040296465Sdelphij } 1041296465Sdelphij psign->r = BN_new(); 1042296465Sdelphij psign->s = BN_new(); 1043296465Sdelphij bn_expand2(psign->r, 20 / sizeof(BN_ULONG)); 1044296465Sdelphij bn_expand2(psign->s, 20 / sizeof(BN_ULONG)); 1045296465Sdelphij if (!psign->r || psign->r->dmax != 20 / sizeof(BN_ULONG) || 1046296465Sdelphij !psign->s || psign->s->dmax != 20 / sizeof(BN_ULONG)) 1047296465Sdelphij goto err; 1048296465Sdelphij ret = p_surewarehk_Dsa_Sign(msg, flen, from, 1049296465Sdelphij (unsigned long *)psign->r->d, 1050296465Sdelphij (unsigned long *)psign->s->d, hptr); 1051296465Sdelphij surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_DSA_DO_SIGN, 1052296465Sdelphij ret); 1053296465Sdelphij } 1054296465Sdelphij psign->r->top = 20 / sizeof(BN_ULONG); 1055296465Sdelphij bn_fix_top(psign->r); 1056296465Sdelphij psign->s->top = 20 / sizeof(BN_ULONG); 1057296465Sdelphij bn_fix_top(psign->s); 1058160814Ssimon 1059296465Sdelphij err: 1060296465Sdelphij if (psign) { 1061296465Sdelphij DSA_SIG_free(psign); 1062296465Sdelphij psign = NULL; 1063296465Sdelphij } 1064296465Sdelphij return psign; 1065160814Ssimon} 1066296465Sdelphij# endif 1067160814Ssimon 1068160814Ssimonstatic int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, 1069296465Sdelphij const BIGNUM *m, BN_CTX *ctx) 1070160814Ssimon{ 1071296465Sdelphij int ret = 0; 1072296465Sdelphij char msg[64] = "ENGINE_modexp"; 1073296465Sdelphij if (!p_surewarehk_Mod_Exp) { 1074296465Sdelphij SUREWAREerr(SUREWARE_F_SUREWAREHK_MODEXP, ENGINE_R_NOT_INITIALISED); 1075296465Sdelphij } else { 1076296465Sdelphij bn_expand2(r, m->top); 1077296465Sdelphij if (r && r->dmax == m->top) { 1078296465Sdelphij /* do it */ 1079296465Sdelphij ret = p_surewarehk_Mod_Exp(msg, 1080296465Sdelphij m->top * sizeof(BN_ULONG), 1081296465Sdelphij (unsigned long *)m->d, 1082296465Sdelphij p->top * sizeof(BN_ULONG), 1083296465Sdelphij (unsigned long *)p->d, 1084296465Sdelphij a->top * sizeof(BN_ULONG), 1085296465Sdelphij (unsigned long *)a->d, 1086296465Sdelphij (unsigned long *)r->d); 1087296465Sdelphij surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_MODEXP, ret); 1088296465Sdelphij if (ret == 1) { 1089296465Sdelphij /* normalise result */ 1090296465Sdelphij r->top = m->top; 1091296465Sdelphij bn_fix_top(r); 1092296465Sdelphij } 1093296465Sdelphij } 1094296465Sdelphij } 1095296465Sdelphij return ret; 1096160814Ssimon} 1097296465Sdelphij# endif /* !OPENSSL_NO_HW_SureWare */ 1098296465Sdelphij#endif /* !OPENSSL_NO_HW */ 1099