1280304Sjkim/*- 2280304Sjkim* Written by Corinne Dive-Reclus(cdive@baltimore.com) 3160814Ssimon* 4280304Sjkim* 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 10280304Sjkim* 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. 40280304Sjkim* * 41280304Sjkim* THIS FILE IS PROVIDED BY BALTIMORE TECHNOLOGIES ``AS IS'' AND * 42280304Sjkim* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * 43280304Sjkim* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * 44280304Sjkim* ARE DISCLAIMED. IN NO EVENT SHALL BALTIMORE TECHNOLOGIES BE LIABLE * 45280304Sjkim* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * 46280304Sjkim* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * 47280304Sjkim* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * 48280304Sjkim* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * 49280304Sjkim* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * 50280304Sjkim* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * 51280304Sjkim* 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 62280304Sjkim# include <openssl/rsa.h> 63160814Ssimon#endif 64160814Ssimon#ifndef OPENSSL_NO_DSA 65280304Sjkim# include <openssl/dsa.h> 66160814Ssimon#endif 67160814Ssimon#ifndef OPENSSL_NO_DH 68280304Sjkim# include <openssl/dh.h> 69160814Ssimon#endif 70160814Ssimon#include <openssl/bn.h> 71160814Ssimon 72160814Ssimon#ifndef OPENSSL_NO_HW 73280304Sjkim# ifndef OPENSSL_NO_HW_SUREWARE 74160814Ssimon 75280304Sjkim# ifdef FLAT_INC 76280304Sjkim# include "sureware.h" 77280304Sjkim# else 78280304Sjkim# include "vendor_defns/sureware.h" 79280304Sjkim# endif 80160814Ssimon 81280304Sjkim# define SUREWARE_LIB_NAME "sureware engine" 82280304Sjkim# include "e_sureware_err.c" 83160814Ssimon 84280304Sjkimstatic int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, 85280304Sjkim 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, 90280304Sjkim const BIGNUM *m, BN_CTX *ctx); 91160814Ssimon 92160814Ssimon/* RSA stuff */ 93280304Sjkim# ifndef OPENSSL_NO_RSA 94280304Sjkimstatic int surewarehk_rsa_priv_dec(int flen, const unsigned char *from, 95280304Sjkim unsigned char *to, RSA *rsa, int padding); 96280304Sjkimstatic int surewarehk_rsa_sign(int flen, const unsigned char *from, 97280304Sjkim unsigned char *to, RSA *rsa, int padding); 98280304Sjkim# 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, 107280304Sjkim UI_METHOD *ui_method, 108280304Sjkim void *callback_data); 109160814Ssimonstatic EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id, 110280304Sjkim UI_METHOD *ui_method, 111280304Sjkim void *callback_data); 112160814Ssimonstatic void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, 113280304Sjkim int idx, long argl, void *argp); 114280304Sjkim# if 0 115160814Ssimonstatic void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, 116280304Sjkim int idx, long argl, void *argp); 117280304Sjkim# endif 118160814Ssimon 119280304Sjkim# ifndef OPENSSL_NO_RSA 120160814Ssimon/* This function is aliased to mod_exp (with the mont stuff dropped). */ 121280304Sjkimstatic int surewarehk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, 122280304Sjkim const BIGNUM *p, const BIGNUM *m, 123280304Sjkim BN_CTX *ctx, BN_MONT_CTX *m_ctx) 124160814Ssimon{ 125280304Sjkim return surewarehk_modexp(r, a, p, m, ctx); 126160814Ssimon} 127160814Ssimon 128160814Ssimon/* Our internal RSA_METHOD that we provide pointers to */ 129280304Sjkimstatic RSA_METHOD surewarehk_rsa = { 130280304Sjkim "SureWare RSA method", 131280304Sjkim NULL, /* pub_enc */ 132280304Sjkim NULL, /* pub_dec */ 133280304Sjkim surewarehk_rsa_sign, /* our rsa_sign is OpenSSL priv_enc */ 134280304Sjkim surewarehk_rsa_priv_dec, /* priv_dec */ 135280304Sjkim NULL, /* mod_exp */ 136280304Sjkim surewarehk_mod_exp_mont, /* mod_exp_mongomery */ 137280304Sjkim NULL, /* init */ 138280304Sjkim NULL, /* finish */ 139280304Sjkim 0, /* RSA flag */ 140280304Sjkim NULL, 141280304Sjkim NULL, /* OpenSSL sign */ 142280304Sjkim NULL, /* OpenSSL verify */ 143280304Sjkim NULL /* keygen */ 144280304Sjkim}; 145280304Sjkim# endif 146160814Ssimon 147280304Sjkim# 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, 151280304Sjkim const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, 152280304Sjkim BN_MONT_CTX *m_ctx) 153160814Ssimon{ 154280304Sjkim return surewarehk_modexp(r, a, p, m, ctx); 155160814Ssimon} 156160814Ssimon 157280304Sjkimstatic DH_METHOD surewarehk_dh = { 158280304Sjkim "SureWare DH method", 159280304Sjkim NULL, /* gen_key */ 160280304Sjkim NULL, /* agree, */ 161280304Sjkim surewarehk_modexp_dh, /* dh mod exp */ 162280304Sjkim NULL, /* init */ 163280304Sjkim NULL, /* finish */ 164280304Sjkim 0, /* flags */ 165280304Sjkim NULL, 166280304Sjkim NULL 167280304Sjkim}; 168280304Sjkim# endif 169160814Ssimon 170280304Sjkimstatic RAND_METHOD surewarehk_rand = { 171280304Sjkim /* "SureWare RAND method", */ 172280304Sjkim surewarehk_rand_seed, 173280304Sjkim surewarehk_rand_bytes, 174280304Sjkim NULL, /* cleanup */ 175280304Sjkim surewarehk_rand_add, 176280304Sjkim surewarehk_rand_bytes, 177280304Sjkim NULL, /* rand_status */ 178280304Sjkim}; 179160814Ssimon 180280304Sjkim# ifndef OPENSSL_NO_DSA 181160814Ssimon/* DSA stuff */ 182280304Sjkimstatic DSA_SIG *surewarehk_dsa_do_sign(const unsigned char *dgst, int dlen, 183280304Sjkim DSA *dsa); 184160814Ssimonstatic int surewarehk_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1, 185280304Sjkim BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, 186280304Sjkim BIGNUM *m, BN_CTX *ctx, 187280304Sjkim BN_MONT_CTX *in_mont) 188160814Ssimon{ 189280304Sjkim BIGNUM t; 190280304Sjkim int to_return = 0; 191280304Sjkim BN_init(&t); 192280304Sjkim /* let rr = a1 ^ p1 mod m */ 193280304Sjkim if (!surewarehk_modexp(rr, a1, p1, m, ctx)) 194280304Sjkim goto end; 195280304Sjkim /* let t = a2 ^ p2 mod m */ 196280304Sjkim if (!surewarehk_modexp(&t, a2, p2, m, ctx)) 197280304Sjkim goto end; 198280304Sjkim /* let rr = rr * t mod m */ 199280304Sjkim if (!BN_mod_mul(rr, rr, &t, m, ctx)) 200280304Sjkim goto end; 201280304Sjkim to_return = 1; 202280304Sjkim end: 203280304Sjkim BN_free(&t); 204280304Sjkim return to_return; 205160814Ssimon} 206160814Ssimon 207280304Sjkimstatic DSA_METHOD surewarehk_dsa = { 208280304Sjkim "SureWare DSA method", 209280304Sjkim surewarehk_dsa_do_sign, 210280304Sjkim NULL, /* sign setup */ 211280304Sjkim NULL, /* verify, */ 212280304Sjkim surewarehk_dsa_mod_exp, /* mod exp */ 213280304Sjkim NULL, /* bn mod exp */ 214280304Sjkim NULL, /* init */ 215280304Sjkim NULL, /* finish */ 216280304Sjkim 0, 217280304Sjkim NULL, 218280304Sjkim NULL, 219280304Sjkim NULL 220280304Sjkim}; 221280304Sjkim# 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 228280304Sjkim/* 229280304Sjkim * As this is only ever called once, there's no need for locking (indeed - 230280304Sjkim * the lock will already be held by our caller!!!) 231280304Sjkim */ 232160814Ssimonstatic int bind_sureware(ENGINE *e) 233160814Ssimon{ 234280304Sjkim# ifndef OPENSSL_NO_RSA 235280304Sjkim const RSA_METHOD *meth1; 236280304Sjkim# endif 237280304Sjkim# ifndef OPENSSL_NO_DSA 238280304Sjkim const DSA_METHOD *meth2; 239280304Sjkim# endif 240280304Sjkim# ifndef OPENSSL_NO_DH 241280304Sjkim const DH_METHOD *meth3; 242280304Sjkim# endif 243160814Ssimon 244280304Sjkim if (!ENGINE_set_id(e, engine_sureware_id) || 245280304Sjkim !ENGINE_set_name(e, engine_sureware_name) || 246280304Sjkim# ifndef OPENSSL_NO_RSA 247280304Sjkim !ENGINE_set_RSA(e, &surewarehk_rsa) || 248280304Sjkim# endif 249280304Sjkim# ifndef OPENSSL_NO_DSA 250280304Sjkim !ENGINE_set_DSA(e, &surewarehk_dsa) || 251280304Sjkim# endif 252280304Sjkim# ifndef OPENSSL_NO_DH 253280304Sjkim !ENGINE_set_DH(e, &surewarehk_dh) || 254280304Sjkim# endif 255280304Sjkim !ENGINE_set_RAND(e, &surewarehk_rand) || 256280304Sjkim !ENGINE_set_destroy_function(e, surewarehk_destroy) || 257280304Sjkim !ENGINE_set_init_function(e, surewarehk_init) || 258280304Sjkim !ENGINE_set_finish_function(e, surewarehk_finish) || 259280304Sjkim !ENGINE_set_ctrl_function(e, surewarehk_ctrl) || 260280304Sjkim !ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) || 261280304Sjkim !ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey)) 262280304Sjkim return 0; 263160814Ssimon 264280304Sjkim# ifndef OPENSSL_NO_RSA 265280304Sjkim /* 266280304Sjkim * We know that the "PKCS1_SSLeay()" functions hook properly to the 267280304Sjkim * cswift-specific mod_exp and mod_exp_crt so we use those functions. NB: 268280304Sjkim * We don't use ENGINE_openssl() or anything "more generic" because 269280304Sjkim * something like the RSAref code may not hook properly, and if you own 270280304Sjkim * one of these cards then you have the right to do RSA operations on it 271280304Sjkim * anyway! 272280304Sjkim */ 273280304Sjkim meth1 = RSA_PKCS1_SSLeay(); 274280304Sjkim if (meth1) { 275280304Sjkim surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc; 276280304Sjkim surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec; 277280304Sjkim } 278280304Sjkim# endif 279160814Ssimon 280280304Sjkim# ifndef OPENSSL_NO_DSA 281280304Sjkim /* 282280304Sjkim * Use the DSA_OpenSSL() method and just hook the mod_exp-ish bits. 283280304Sjkim */ 284280304Sjkim meth2 = DSA_OpenSSL(); 285280304Sjkim if (meth2) { 286280304Sjkim surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify; 287280304Sjkim } 288280304Sjkim# endif 289160814Ssimon 290280304Sjkim# ifndef OPENSSL_NO_DH 291280304Sjkim /* Much the same for Diffie-Hellman */ 292280304Sjkim meth3 = DH_OpenSSL(); 293280304Sjkim if (meth3) { 294280304Sjkim surewarehk_dh.generate_key = meth3->generate_key; 295280304Sjkim surewarehk_dh.compute_key = meth3->compute_key; 296280304Sjkim } 297280304Sjkim# endif 298160814Ssimon 299280304Sjkim /* Ensure the sureware error handling is set up */ 300280304Sjkim ERR_load_SUREWARE_strings(); 301280304Sjkim return 1; 302160814Ssimon} 303160814Ssimon 304280304Sjkim# ifndef OPENSSL_NO_DYNAMIC_ENGINE 305160814Ssimonstatic int bind_helper(ENGINE *e, const char *id) 306280304Sjkim{ 307280304Sjkim if (id && (strcmp(id, engine_sureware_id) != 0)) 308280304Sjkim return 0; 309280304Sjkim if (!bind_sureware(e)) 310280304Sjkim return 0; 311280304Sjkim return 1; 312280304Sjkim} 313280304Sjkim 314160814SsimonIMPLEMENT_DYNAMIC_CHECK_FN() 315280304Sjkim IMPLEMENT_DYNAMIC_BIND_FN(bind_helper) 316280304Sjkim# else 317160814Ssimonstatic ENGINE *engine_sureware(void) 318280304Sjkim{ 319280304Sjkim ENGINE *ret = ENGINE_new(); 320280304Sjkim if (!ret) 321280304Sjkim return NULL; 322280304Sjkim if (!bind_sureware(ret)) { 323280304Sjkim ENGINE_free(ret); 324280304Sjkim return NULL; 325280304Sjkim } 326280304Sjkim return ret; 327280304Sjkim} 328160814Ssimon 329160814Ssimonvoid ENGINE_load_sureware(void) 330280304Sjkim{ 331280304Sjkim /* Copied from eng_[openssl|dyn].c */ 332280304Sjkim ENGINE *toadd = engine_sureware(); 333280304Sjkim if (!toadd) 334280304Sjkim return; 335280304Sjkim ENGINE_add(toadd); 336280304Sjkim ENGINE_free(toadd); 337280304Sjkim ERR_clear_error(); 338280304Sjkim} 339280304Sjkim# endif 340160814Ssimon 341280304Sjkim/* 342280304Sjkim * This is a process-global DSO handle used for loading and unloading the 343280304Sjkim * SureWareHook library. NB: This is only set (or unset) during an init() or 344280304Sjkim * finish() call (reference counts permitting) and they're operating with 345280304Sjkim * global locks, so this should be thread-safe implicitly. 346280304Sjkim */ 347160814Ssimonstatic DSO *surewarehk_dso = NULL; 348280304Sjkim# ifndef OPENSSL_NO_RSA 349280304Sjkim/* Index for KM handle. Not really used yet. */ 350280304Sjkimstatic int rsaHndidx = -1; 351280304Sjkim# endif 352280304Sjkim# ifndef OPENSSL_NO_DSA 353280304Sjkim/* Index for KM handle. Not really used yet. */ 354280304Sjkimstatic int dsaHndidx = -1; 355280304Sjkim# endif 356160814Ssimon 357280304Sjkim/* 358280304Sjkim * These are the function pointers that are (un)set when the library has 359280304Sjkim * successfully (un)loaded. 360280304Sjkim */ 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; 369280304Sjkimstatic SureWareHook_Free_t *p_surewarehk_Free = NULL; 370280304Sjkimstatic SureWareHook_Rsa_Priv_Dec_t *p_surewarehk_Rsa_Priv_Dec = NULL; 371280304Sjkimstatic SureWareHook_Rsa_Sign_t *p_surewarehk_Rsa_Sign = NULL; 372280304Sjkimstatic SureWareHook_Dsa_Sign_t *p_surewarehk_Dsa_Sign = NULL; 373280304Sjkimstatic 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"; 379280304Sjkimstatic const char *n_surewarehk_Rand_Bytes = "SureWareHook_Rand_Bytes"; 380280304Sjkimstatic const char *n_surewarehk_Rand_Seed = "SureWareHook_Rand_Seed"; 381280304Sjkimstatic const char *n_surewarehk_Load_Privkey = "SureWareHook_Load_Privkey"; 382280304Sjkimstatic const char *n_surewarehk_Info_Pubkey = "SureWareHook_Info_Pubkey"; 383280304Sjkimstatic const char *n_surewarehk_Load_Rsa_Pubkey = 384280304Sjkim "SureWareHook_Load_Rsa_Pubkey"; 385280304Sjkimstatic const char *n_surewarehk_Load_Dsa_Pubkey = 386280304Sjkim "SureWareHook_Load_Dsa_Pubkey"; 387280304Sjkimstatic const char *n_surewarehk_Free = "SureWareHook_Free"; 388280304Sjkimstatic const char *n_surewarehk_Rsa_Priv_Dec = "SureWareHook_Rsa_Priv_Dec"; 389280304Sjkimstatic const char *n_surewarehk_Rsa_Sign = "SureWareHook_Rsa_Sign"; 390280304Sjkimstatic const char *n_surewarehk_Dsa_Sign = "SureWareHook_Dsa_Sign"; 391280304Sjkimstatic const char *n_surewarehk_Mod_Exp = "SureWareHook_Mod_Exp"; 392160814Ssimonstatic BIO *logstream = NULL; 393160814Ssimon 394280304Sjkim/* 395280304Sjkim * SureWareHook library functions and mechanics - these are used by the 396280304Sjkim * higher-level functions further down. NB: As and where there's no error 397280304Sjkim * checking, take a look lower down where these functions are called, the 398280304Sjkim * checking and error handling is probably down there. 399280304Sjkim */ 400280304Sjkimstatic int threadsafe = 1; 401280304Sjkimstatic int surewarehk_ctrl(ENGINE *e, int cmd, long i, void *p, 402280304Sjkim void (*f) (void)) 403160814Ssimon{ 404280304Sjkim int to_return = 1; 405160814Ssimon 406280304Sjkim switch (cmd) { 407280304Sjkim case ENGINE_CTRL_SET_LOGSTREAM: 408280304Sjkim { 409280304Sjkim BIO *bio = (BIO *)p; 410280304Sjkim CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 411280304Sjkim if (logstream) { 412280304Sjkim BIO_free(logstream); 413280304Sjkim logstream = NULL; 414280304Sjkim } 415280304Sjkim if (CRYPTO_add(&bio->references, 1, CRYPTO_LOCK_BIO) > 1) 416280304Sjkim logstream = bio; 417280304Sjkim else 418280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL, 419280304Sjkim SUREWARE_R_BIO_WAS_FREED); 420280304Sjkim } 421280304Sjkim CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 422280304Sjkim break; 423280304Sjkim /* 424280304Sjkim * This will prevent the initialisation function from "installing" 425280304Sjkim * the mutex-handling callbacks, even if they are available from 426280304Sjkim * within the library (or were provided to the library from the 427280304Sjkim * calling application). This is to remove any baggage for 428280304Sjkim * applications not using multithreading. 429280304Sjkim */ 430280304Sjkim case ENGINE_CTRL_CHIL_NO_LOCKING: 431280304Sjkim CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 432280304Sjkim threadsafe = 0; 433280304Sjkim CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 434280304Sjkim break; 435160814Ssimon 436280304Sjkim /* The command isn't understood by this engine */ 437280304Sjkim default: 438280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_CTRL, 439280304Sjkim ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED); 440280304Sjkim to_return = 0; 441280304Sjkim break; 442280304Sjkim } 443160814Ssimon 444280304Sjkim return to_return; 445160814Ssimon} 446160814Ssimon 447160814Ssimon/* Destructor (complements the "ENGINE_surewarehk()" constructor) */ 448160814Ssimonstatic int surewarehk_destroy(ENGINE *e) 449160814Ssimon{ 450280304Sjkim ERR_unload_SUREWARE_strings(); 451280304Sjkim return 1; 452160814Ssimon} 453160814Ssimon 454160814Ssimon/* (de)initialisation functions. */ 455160814Ssimonstatic int surewarehk_init(ENGINE *e) 456160814Ssimon{ 457280304Sjkim char msg[64] = "ENGINE_init"; 458280304Sjkim SureWareHook_Init_t *p1 = NULL; 459280304Sjkim SureWareHook_Finish_t *p2 = NULL; 460280304Sjkim SureWareHook_Rand_Bytes_t *p3 = NULL; 461280304Sjkim SureWareHook_Rand_Seed_t *p4 = NULL; 462280304Sjkim SureWareHook_Load_Privkey_t *p5 = NULL; 463280304Sjkim SureWareHook_Load_Rsa_Pubkey_t *p6 = NULL; 464280304Sjkim SureWareHook_Free_t *p7 = NULL; 465280304Sjkim SureWareHook_Rsa_Priv_Dec_t *p8 = NULL; 466280304Sjkim SureWareHook_Rsa_Sign_t *p9 = NULL; 467280304Sjkim SureWareHook_Dsa_Sign_t *p12 = NULL; 468280304Sjkim SureWareHook_Info_Pubkey_t *p13 = NULL; 469280304Sjkim SureWareHook_Load_Dsa_Pubkey_t *p14 = NULL; 470280304Sjkim SureWareHook_Mod_Exp_t *p15 = NULL; 471160814Ssimon 472280304Sjkim if (surewarehk_dso != NULL) { 473280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, ENGINE_R_ALREADY_LOADED); 474280304Sjkim goto err; 475280304Sjkim } 476280304Sjkim /* Attempt to load libsurewarehk.so/surewarehk.dll/whatever. */ 477280304Sjkim surewarehk_dso = DSO_load(NULL, surewarehk_LIBNAME, NULL, 0); 478280304Sjkim if (surewarehk_dso == NULL) { 479280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, ENGINE_R_DSO_FAILURE); 480280304Sjkim goto err; 481280304Sjkim } 482280304Sjkim if (! 483280304Sjkim (p1 = 484280304Sjkim (SureWareHook_Init_t *) DSO_bind_func(surewarehk_dso, 485280304Sjkim n_surewarehk_Init)) 486280304Sjkim|| !(p2 = 487280304Sjkim (SureWareHook_Finish_t *) DSO_bind_func(surewarehk_dso, 488280304Sjkim n_surewarehk_Finish)) 489280304Sjkim|| !(p3 = 490280304Sjkim (SureWareHook_Rand_Bytes_t *) DSO_bind_func(surewarehk_dso, 491280304Sjkim n_surewarehk_Rand_Bytes)) 492280304Sjkim|| !(p4 = 493280304Sjkim (SureWareHook_Rand_Seed_t *) DSO_bind_func(surewarehk_dso, 494280304Sjkim n_surewarehk_Rand_Seed)) 495280304Sjkim|| !(p5 = 496280304Sjkim (SureWareHook_Load_Privkey_t *) DSO_bind_func(surewarehk_dso, 497280304Sjkim n_surewarehk_Load_Privkey)) 498280304Sjkim|| !(p6 = 499280304Sjkim (SureWareHook_Load_Rsa_Pubkey_t *) DSO_bind_func(surewarehk_dso, 500280304Sjkim n_surewarehk_Load_Rsa_Pubkey)) 501280304Sjkim|| !(p7 = 502280304Sjkim (SureWareHook_Free_t *) DSO_bind_func(surewarehk_dso, n_surewarehk_Free)) 503280304Sjkim|| !(p8 = 504280304Sjkim (SureWareHook_Rsa_Priv_Dec_t *) DSO_bind_func(surewarehk_dso, 505280304Sjkim n_surewarehk_Rsa_Priv_Dec)) 506280304Sjkim|| !(p9 = 507280304Sjkim (SureWareHook_Rsa_Sign_t *) DSO_bind_func(surewarehk_dso, 508280304Sjkim n_surewarehk_Rsa_Sign)) 509280304Sjkim|| !(p12 = 510280304Sjkim (SureWareHook_Dsa_Sign_t *) DSO_bind_func(surewarehk_dso, 511280304Sjkim n_surewarehk_Dsa_Sign)) 512280304Sjkim|| !(p13 = 513280304Sjkim (SureWareHook_Info_Pubkey_t *) DSO_bind_func(surewarehk_dso, 514280304Sjkim n_surewarehk_Info_Pubkey)) 515280304Sjkim|| !(p14 = 516280304Sjkim (SureWareHook_Load_Dsa_Pubkey_t *) DSO_bind_func(surewarehk_dso, 517280304Sjkim n_surewarehk_Load_Dsa_Pubkey)) 518280304Sjkim|| !(p15 = 519280304Sjkim (SureWareHook_Mod_Exp_t *) DSO_bind_func(surewarehk_dso, 520280304Sjkim n_surewarehk_Mod_Exp))) { 521280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, ENGINE_R_DSO_FAILURE); 522280304Sjkim goto err; 523280304Sjkim } 524280304Sjkim /* Copy the pointers */ 525280304Sjkim p_surewarehk_Init = p1; 526280304Sjkim p_surewarehk_Finish = p2; 527280304Sjkim p_surewarehk_Rand_Bytes = p3; 528280304Sjkim p_surewarehk_Rand_Seed = p4; 529280304Sjkim p_surewarehk_Load_Privkey = p5; 530280304Sjkim p_surewarehk_Load_Rsa_Pubkey = p6; 531280304Sjkim p_surewarehk_Free = p7; 532280304Sjkim p_surewarehk_Rsa_Priv_Dec = p8; 533280304Sjkim p_surewarehk_Rsa_Sign = p9; 534280304Sjkim p_surewarehk_Dsa_Sign = p12; 535280304Sjkim p_surewarehk_Info_Pubkey = p13; 536280304Sjkim p_surewarehk_Load_Dsa_Pubkey = p14; 537280304Sjkim p_surewarehk_Mod_Exp = p15; 538280304Sjkim /* Contact the hardware and initialises it. */ 539280304Sjkim if (p_surewarehk_Init(msg, threadsafe) == SUREWAREHOOK_ERROR_UNIT_FAILURE) { 540280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, SUREWARE_R_UNIT_FAILURE); 541280304Sjkim goto err; 542280304Sjkim } 543280304Sjkim if (p_surewarehk_Init(msg, threadsafe) == SUREWAREHOOK_ERROR_UNIT_FAILURE) { 544280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_INIT, SUREWARE_R_UNIT_FAILURE); 545280304Sjkim goto err; 546280304Sjkim } 547280304Sjkim /* 548280304Sjkim * try to load the default private key, if failed does not return a 549280304Sjkim * failure but wait for an explicit ENGINE_load_privakey 550280304Sjkim */ 551280304Sjkim surewarehk_load_privkey(e, NULL, NULL, NULL); 552160814Ssimon 553280304Sjkim /* Everything's fine. */ 554280304Sjkim# ifndef OPENSSL_NO_RSA 555280304Sjkim if (rsaHndidx == -1) 556280304Sjkim rsaHndidx = RSA_get_ex_new_index(0, 557280304Sjkim "SureWareHook RSA key handle", 558280304Sjkim NULL, NULL, surewarehk_ex_free); 559280304Sjkim# endif 560280304Sjkim# ifndef OPENSSL_NO_DSA 561280304Sjkim if (dsaHndidx == -1) 562280304Sjkim dsaHndidx = DSA_get_ex_new_index(0, 563280304Sjkim "SureWareHook DSA key handle", 564280304Sjkim NULL, NULL, surewarehk_ex_free); 565280304Sjkim# endif 566160814Ssimon 567280304Sjkim return 1; 568280304Sjkim err: 569280304Sjkim if (surewarehk_dso) 570280304Sjkim DSO_free(surewarehk_dso); 571280304Sjkim surewarehk_dso = NULL; 572280304Sjkim p_surewarehk_Init = NULL; 573280304Sjkim p_surewarehk_Finish = NULL; 574280304Sjkim p_surewarehk_Rand_Bytes = NULL; 575280304Sjkim p_surewarehk_Rand_Seed = NULL; 576280304Sjkim p_surewarehk_Load_Privkey = NULL; 577280304Sjkim p_surewarehk_Load_Rsa_Pubkey = NULL; 578280304Sjkim p_surewarehk_Free = NULL; 579280304Sjkim p_surewarehk_Rsa_Priv_Dec = NULL; 580280304Sjkim p_surewarehk_Rsa_Sign = NULL; 581280304Sjkim p_surewarehk_Dsa_Sign = NULL; 582280304Sjkim p_surewarehk_Info_Pubkey = NULL; 583280304Sjkim p_surewarehk_Load_Dsa_Pubkey = NULL; 584280304Sjkim p_surewarehk_Mod_Exp = NULL; 585280304Sjkim return 0; 586160814Ssimon} 587160814Ssimon 588160814Ssimonstatic int surewarehk_finish(ENGINE *e) 589160814Ssimon{ 590280304Sjkim int to_return = 1; 591280304Sjkim if (surewarehk_dso == NULL) { 592280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH, ENGINE_R_NOT_LOADED); 593280304Sjkim to_return = 0; 594280304Sjkim goto err; 595280304Sjkim } 596280304Sjkim p_surewarehk_Finish(); 597280304Sjkim if (!DSO_free(surewarehk_dso)) { 598280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_FINISH, ENGINE_R_DSO_FAILURE); 599280304Sjkim to_return = 0; 600280304Sjkim goto err; 601280304Sjkim } 602160814Ssimon err: 603280304Sjkim if (logstream) 604280304Sjkim BIO_free(logstream); 605280304Sjkim surewarehk_dso = NULL; 606280304Sjkim p_surewarehk_Init = NULL; 607280304Sjkim p_surewarehk_Finish = NULL; 608280304Sjkim p_surewarehk_Rand_Bytes = NULL; 609280304Sjkim p_surewarehk_Rand_Seed = NULL; 610280304Sjkim p_surewarehk_Load_Privkey = NULL; 611280304Sjkim p_surewarehk_Load_Rsa_Pubkey = NULL; 612280304Sjkim p_surewarehk_Free = NULL; 613280304Sjkim p_surewarehk_Rsa_Priv_Dec = NULL; 614280304Sjkim p_surewarehk_Rsa_Sign = NULL; 615280304Sjkim p_surewarehk_Dsa_Sign = NULL; 616280304Sjkim p_surewarehk_Info_Pubkey = NULL; 617280304Sjkim p_surewarehk_Load_Dsa_Pubkey = NULL; 618280304Sjkim p_surewarehk_Mod_Exp = NULL; 619280304Sjkim return to_return; 620160814Ssimon} 621160814Ssimon 622280304Sjkimstatic void surewarehk_error_handling(char *const msg, int func, int ret) 623160814Ssimon{ 624280304Sjkim switch (ret) { 625280304Sjkim case SUREWAREHOOK_ERROR_UNIT_FAILURE: 626280304Sjkim ENGINEerr(func, SUREWARE_R_UNIT_FAILURE); 627280304Sjkim break; 628280304Sjkim case SUREWAREHOOK_ERROR_FALLBACK: 629280304Sjkim ENGINEerr(func, SUREWARE_R_REQUEST_FALLBACK); 630280304Sjkim break; 631280304Sjkim case SUREWAREHOOK_ERROR_DATA_SIZE: 632280304Sjkim ENGINEerr(func, SUREWARE_R_SIZE_TOO_LARGE_OR_TOO_SMALL); 633280304Sjkim break; 634280304Sjkim case SUREWAREHOOK_ERROR_INVALID_PAD: 635280304Sjkim ENGINEerr(func, SUREWARE_R_PADDING_CHECK_FAILED); 636280304Sjkim break; 637280304Sjkim default: 638280304Sjkim ENGINEerr(func, SUREWARE_R_REQUEST_FAILED); 639280304Sjkim break; 640280304Sjkim case 1: /* nothing */ 641280304Sjkim msg[0] = '\0'; 642280304Sjkim } 643280304Sjkim if (*msg) { 644280304Sjkim ERR_add_error_data(1, msg); 645280304Sjkim if (logstream) { 646280304Sjkim CRYPTO_w_lock(CRYPTO_LOCK_BIO); 647280304Sjkim BIO_write(logstream, msg, strlen(msg)); 648280304Sjkim CRYPTO_w_unlock(CRYPTO_LOCK_BIO); 649280304Sjkim } 650280304Sjkim } 651160814Ssimon} 652160814Ssimon 653160814Ssimonstatic int surewarehk_rand_bytes(unsigned char *buf, int num) 654160814Ssimon{ 655280304Sjkim int ret = 0; 656280304Sjkim char msg[64] = "ENGINE_rand_bytes"; 657280304Sjkim if (!p_surewarehk_Rand_Bytes) { 658280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_BYTES, 659280304Sjkim ENGINE_R_NOT_INITIALISED); 660280304Sjkim } else { 661280304Sjkim ret = p_surewarehk_Rand_Bytes(msg, buf, num); 662280304Sjkim surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RAND_BYTES, ret); 663280304Sjkim } 664280304Sjkim return ret == 1 ? 1 : 0; 665160814Ssimon} 666160814Ssimon 667160814Ssimonstatic void surewarehk_rand_seed(const void *buf, int num) 668160814Ssimon{ 669280304Sjkim int ret = 0; 670280304Sjkim char msg[64] = "ENGINE_rand_seed"; 671280304Sjkim if (!p_surewarehk_Rand_Seed) { 672280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RAND_SEED, 673280304Sjkim ENGINE_R_NOT_INITIALISED); 674280304Sjkim } else { 675280304Sjkim ret = p_surewarehk_Rand_Seed(msg, buf, num); 676280304Sjkim surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RAND_SEED, ret); 677280304Sjkim } 678160814Ssimon} 679160814Ssimon 680160814Ssimonstatic void surewarehk_rand_add(const void *buf, int num, double entropy) 681160814Ssimon{ 682280304Sjkim surewarehk_rand_seed(buf, num); 683160814Ssimon} 684160814Ssimon 685280304Sjkimstatic EVP_PKEY *sureware_load_public(ENGINE *e, const char *key_id, 686280304Sjkim char *hptr, unsigned long el, 687280304Sjkim char keytype) 688160814Ssimon{ 689280304Sjkim EVP_PKEY *res = NULL; 690280304Sjkim# ifndef OPENSSL_NO_RSA 691280304Sjkim RSA *rsatmp = NULL; 692280304Sjkim# endif 693280304Sjkim# ifndef OPENSSL_NO_DSA 694280304Sjkim DSA *dsatmp = NULL; 695280304Sjkim# endif 696280304Sjkim char msg[64] = "sureware_load_public"; 697280304Sjkim int ret = 0; 698280304Sjkim if (!p_surewarehk_Load_Rsa_Pubkey || !p_surewarehk_Load_Dsa_Pubkey) { 699280304Sjkim SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC, 700280304Sjkim ENGINE_R_NOT_INITIALISED); 701280304Sjkim goto err; 702280304Sjkim } 703280304Sjkim switch (keytype) { 704280304Sjkim# ifndef OPENSSL_NO_RSA 705280304Sjkim case 1: 706280304Sjkim /*RSA*/ 707280304Sjkim /* set private external reference */ 708280304Sjkim rsatmp = RSA_new_method(e); 709280304Sjkim RSA_set_ex_data(rsatmp, rsaHndidx, hptr); 710280304Sjkim rsatmp->flags |= RSA_FLAG_EXT_PKEY; 711160814Ssimon 712280304Sjkim /* set public big nums */ 713280304Sjkim rsatmp->e = BN_new(); 714280304Sjkim rsatmp->n = BN_new(); 715284285Sjkim if(!rsatmp->e || !rsatmp->n) 716284285Sjkim goto err; 717280304Sjkim bn_expand2(rsatmp->e, el / sizeof(BN_ULONG)); 718280304Sjkim bn_expand2(rsatmp->n, el / sizeof(BN_ULONG)); 719284285Sjkim if (rsatmp->e->dmax != (int)(el / sizeof(BN_ULONG)) || 720284285Sjkim rsatmp->n->dmax != (int)(el / sizeof(BN_ULONG))) 721280304Sjkim goto err; 722280304Sjkim ret = p_surewarehk_Load_Rsa_Pubkey(msg, key_id, el, 723280304Sjkim (unsigned long *)rsatmp->n->d, 724280304Sjkim (unsigned long *)rsatmp->e->d); 725280304Sjkim surewarehk_error_handling(msg, SUREWARE_F_SUREWARE_LOAD_PUBLIC, ret); 726280304Sjkim if (ret != 1) { 727280304Sjkim SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC, 728280304Sjkim ENGINE_R_FAILED_LOADING_PUBLIC_KEY); 729280304Sjkim goto err; 730280304Sjkim } 731280304Sjkim /* normalise pub e and pub n */ 732280304Sjkim rsatmp->e->top = el / sizeof(BN_ULONG); 733280304Sjkim bn_fix_top(rsatmp->e); 734280304Sjkim rsatmp->n->top = el / sizeof(BN_ULONG); 735280304Sjkim bn_fix_top(rsatmp->n); 736280304Sjkim /* create an EVP object: engine + rsa key */ 737280304Sjkim res = EVP_PKEY_new(); 738280304Sjkim EVP_PKEY_assign_RSA(res, rsatmp); 739280304Sjkim break; 740280304Sjkim# endif 741160814Ssimon 742280304Sjkim# ifndef OPENSSL_NO_DSA 743280304Sjkim case 2: 744280304Sjkim /*DSA*/ 745280304Sjkim /* set private/public external reference */ 746280304Sjkim dsatmp = DSA_new_method(e); 747280304Sjkim DSA_set_ex_data(dsatmp, dsaHndidx, hptr); 748280304Sjkim /* 749280304Sjkim * dsatmp->flags |= DSA_FLAG_EXT_PKEY; 750280304Sjkim */ 751160814Ssimon 752280304Sjkim /* set public key */ 753280304Sjkim dsatmp->pub_key = BN_new(); 754280304Sjkim dsatmp->p = BN_new(); 755280304Sjkim dsatmp->q = BN_new(); 756280304Sjkim dsatmp->g = BN_new(); 757284285Sjkim if(!dsatmp->pub_key || !dsatmp->p || !dsatmp->q || !dsatmp->g) 758284285Sjkim goto err; 759280304Sjkim bn_expand2(dsatmp->pub_key, el / sizeof(BN_ULONG)); 760280304Sjkim bn_expand2(dsatmp->p, el / sizeof(BN_ULONG)); 761280304Sjkim bn_expand2(dsatmp->q, 20 / sizeof(BN_ULONG)); 762280304Sjkim bn_expand2(dsatmp->g, el / sizeof(BN_ULONG)); 763284285Sjkim if (dsatmp->pub_key->dmax != (int)(el / sizeof(BN_ULONG)) 764284285Sjkim || dsatmp->p->dmax != (int)(el / sizeof(BN_ULONG)) 765284285Sjkim || dsatmp->q->dmax != 20 / sizeof(BN_ULONG) 766284285Sjkim || dsatmp->g->dmax != (int)(el / sizeof(BN_ULONG))) 767280304Sjkim goto err; 768160814Ssimon 769280304Sjkim ret = p_surewarehk_Load_Dsa_Pubkey(msg, key_id, el, 770280304Sjkim (unsigned long *)dsatmp-> 771280304Sjkim pub_key->d, 772280304Sjkim (unsigned long *)dsatmp->p->d, 773280304Sjkim (unsigned long *)dsatmp->q->d, 774280304Sjkim (unsigned long *)dsatmp->g->d); 775280304Sjkim surewarehk_error_handling(msg, SUREWARE_F_SUREWARE_LOAD_PUBLIC, ret); 776280304Sjkim if (ret != 1) { 777280304Sjkim SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC, 778280304Sjkim ENGINE_R_FAILED_LOADING_PUBLIC_KEY); 779280304Sjkim goto err; 780280304Sjkim } 781280304Sjkim /* set parameters */ 782280304Sjkim /* normalise pubkey and parameters in case of */ 783280304Sjkim dsatmp->pub_key->top = el / sizeof(BN_ULONG); 784280304Sjkim bn_fix_top(dsatmp->pub_key); 785280304Sjkim dsatmp->p->top = el / sizeof(BN_ULONG); 786280304Sjkim bn_fix_top(dsatmp->p); 787280304Sjkim dsatmp->q->top = 20 / sizeof(BN_ULONG); 788280304Sjkim bn_fix_top(dsatmp->q); 789280304Sjkim dsatmp->g->top = el / sizeof(BN_ULONG); 790280304Sjkim bn_fix_top(dsatmp->g); 791160814Ssimon 792280304Sjkim /* create an EVP object: engine + rsa key */ 793280304Sjkim res = EVP_PKEY_new(); 794280304Sjkim EVP_PKEY_assign_DSA(res, dsatmp); 795280304Sjkim break; 796280304Sjkim# endif 797160814Ssimon 798280304Sjkim default: 799280304Sjkim SUREWAREerr(SUREWARE_F_SUREWARE_LOAD_PUBLIC, 800280304Sjkim ENGINE_R_FAILED_LOADING_PRIVATE_KEY); 801280304Sjkim goto err; 802280304Sjkim } 803280304Sjkim return res; 804160814Ssimon err: 805280304Sjkim# ifndef OPENSSL_NO_RSA 806280304Sjkim if (rsatmp) 807280304Sjkim RSA_free(rsatmp); 808280304Sjkim# endif 809280304Sjkim# ifndef OPENSSL_NO_DSA 810280304Sjkim if (dsatmp) 811280304Sjkim DSA_free(dsatmp); 812280304Sjkim# endif 813280304Sjkim return NULL; 814160814Ssimon} 815160814Ssimon 816160814Ssimonstatic EVP_PKEY *surewarehk_load_privkey(ENGINE *e, const char *key_id, 817280304Sjkim UI_METHOD *ui_method, 818280304Sjkim void *callback_data) 819160814Ssimon{ 820280304Sjkim EVP_PKEY *res = NULL; 821280304Sjkim int ret = 0; 822280304Sjkim unsigned long el = 0; 823280304Sjkim char *hptr = NULL; 824280304Sjkim char keytype = 0; 825280304Sjkim char msg[64] = "ENGINE_load_privkey"; 826160814Ssimon 827280304Sjkim if (!p_surewarehk_Load_Privkey) { 828280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY, 829280304Sjkim ENGINE_R_NOT_INITIALISED); 830280304Sjkim } else { 831280304Sjkim ret = p_surewarehk_Load_Privkey(msg, key_id, &hptr, &el, &keytype); 832280304Sjkim if (ret != 1) { 833280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PRIVKEY, 834280304Sjkim ENGINE_R_FAILED_LOADING_PRIVATE_KEY); 835280304Sjkim ERR_add_error_data(1, msg); 836280304Sjkim } else 837280304Sjkim res = sureware_load_public(e, key_id, hptr, el, keytype); 838280304Sjkim } 839280304Sjkim return res; 840160814Ssimon} 841160814Ssimon 842160814Ssimonstatic EVP_PKEY *surewarehk_load_pubkey(ENGINE *e, const char *key_id, 843280304Sjkim UI_METHOD *ui_method, 844280304Sjkim void *callback_data) 845160814Ssimon{ 846280304Sjkim EVP_PKEY *res = NULL; 847280304Sjkim int ret = 0; 848280304Sjkim unsigned long el = 0; 849280304Sjkim char *hptr = NULL; 850280304Sjkim char keytype = 0; 851280304Sjkim char msg[64] = "ENGINE_load_pubkey"; 852160814Ssimon 853280304Sjkim if (!p_surewarehk_Info_Pubkey) { 854280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY, 855280304Sjkim ENGINE_R_NOT_INITIALISED); 856280304Sjkim } else { 857280304Sjkim /* call once to identify if DSA or RSA */ 858280304Sjkim ret = p_surewarehk_Info_Pubkey(msg, key_id, &el, &keytype); 859280304Sjkim if (ret != 1) { 860280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_LOAD_PUBKEY, 861280304Sjkim ENGINE_R_FAILED_LOADING_PUBLIC_KEY); 862280304Sjkim ERR_add_error_data(1, msg); 863280304Sjkim } else 864280304Sjkim res = sureware_load_public(e, key_id, hptr, el, keytype); 865280304Sjkim } 866280304Sjkim return res; 867160814Ssimon} 868160814Ssimon 869280304Sjkim/* 870280304Sjkim * This cleans up an RSA/DSA KM key(do not destroy the key into the hardware) 871280304Sjkim * , called when ex_data is freed 872280304Sjkim */ 873160814Ssimonstatic void surewarehk_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, 874280304Sjkim int idx, long argl, void *argp) 875160814Ssimon{ 876280304Sjkim if (!p_surewarehk_Free) { 877280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_EX_FREE, ENGINE_R_NOT_INITIALISED); 878280304Sjkim } else 879280304Sjkim p_surewarehk_Free((char *)item, 0); 880160814Ssimon} 881160814Ssimon 882280304Sjkim# if 0 883160814Ssimon/* not currently used (bug?) */ 884280304Sjkim/* 885280304Sjkim * This cleans up an DH KM key (destroys the key into hardware), called when 886280304Sjkim * ex_data is freed 887280304Sjkim */ 888160814Ssimonstatic void surewarehk_dh_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, 889280304Sjkim int idx, long argl, void *argp) 890160814Ssimon{ 891280304Sjkim if (!p_surewarehk_Free) { 892280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_DH_EX_FREE, 893280304Sjkim ENGINE_R_NOT_INITIALISED); 894280304Sjkim } else 895280304Sjkim p_surewarehk_Free((char *)item, 1); 896160814Ssimon} 897280304Sjkim# endif 898160814Ssimon 899160814Ssimon/* 900280304Sjkim * return number of decrypted bytes 901280304Sjkim */ 902280304Sjkim# ifndef OPENSSL_NO_RSA 903280304Sjkimstatic int surewarehk_rsa_priv_dec(int flen, const unsigned char *from, 904280304Sjkim unsigned char *to, RSA *rsa, int padding) 905160814Ssimon{ 906280304Sjkim int ret = 0, tlen; 907280304Sjkim char *buf = NULL, *hptr = NULL; 908280304Sjkim char msg[64] = "ENGINE_rsa_priv_dec"; 909280304Sjkim if (!p_surewarehk_Rsa_Priv_Dec) { 910280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 911280304Sjkim ENGINE_R_NOT_INITIALISED); 912280304Sjkim } 913280304Sjkim /* extract ref to private key */ 914280304Sjkim else if (!(hptr = RSA_get_ex_data(rsa, rsaHndidx))) { 915280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 916280304Sjkim SUREWARE_R_MISSING_KEY_COMPONENTS); 917280304Sjkim goto err; 918280304Sjkim } 919280304Sjkim /* analyse what padding we can do into the hardware */ 920280304Sjkim if (padding == RSA_PKCS1_PADDING) { 921280304Sjkim /* do it one shot */ 922280304Sjkim ret = 923280304Sjkim p_surewarehk_Rsa_Priv_Dec(msg, flen, (unsigned char *)from, &tlen, 924280304Sjkim to, hptr, SUREWARE_PKCS1_PAD); 925280304Sjkim surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 926280304Sjkim ret); 927280304Sjkim if (ret != 1) 928280304Sjkim goto err; 929280304Sjkim ret = tlen; 930280304Sjkim } else { /* do with no padding into hardware */ 931280304Sjkim 932280304Sjkim ret = 933280304Sjkim p_surewarehk_Rsa_Priv_Dec(msg, flen, (unsigned char *)from, &tlen, 934280304Sjkim to, hptr, SUREWARE_NO_PAD); 935280304Sjkim surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 936280304Sjkim ret); 937280304Sjkim if (ret != 1) 938280304Sjkim goto err; 939280304Sjkim /* intermediate buffer for padding */ 940280304Sjkim if ((buf = OPENSSL_malloc(tlen)) == NULL) { 941280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 942280304Sjkim ERR_R_MALLOC_FAILURE); 943280304Sjkim goto err; 944280304Sjkim } 945280304Sjkim memcpy(buf, to, tlen); /* transfert to into buf */ 946280304Sjkim switch (padding) { /* check padding in software */ 947280304Sjkim# ifndef OPENSSL_NO_SHA 948280304Sjkim case RSA_PKCS1_OAEP_PADDING: 949280304Sjkim ret = 950280304Sjkim RSA_padding_check_PKCS1_OAEP(to, tlen, (unsigned char *)buf, 951280304Sjkim tlen, tlen, NULL, 0); 952280304Sjkim break; 953280304Sjkim# endif 954280304Sjkim case RSA_SSLV23_PADDING: 955280304Sjkim ret = 956280304Sjkim RSA_padding_check_SSLv23(to, tlen, (unsigned char *)buf, flen, 957280304Sjkim tlen); 958280304Sjkim break; 959280304Sjkim case RSA_NO_PADDING: 960280304Sjkim ret = 961280304Sjkim RSA_padding_check_none(to, tlen, (unsigned char *)buf, flen, 962280304Sjkim tlen); 963280304Sjkim break; 964280304Sjkim default: 965280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 966280304Sjkim SUREWARE_R_UNKNOWN_PADDING_TYPE); 967280304Sjkim goto err; 968280304Sjkim } 969280304Sjkim if (ret < 0) 970280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_PRIV_DEC, 971280304Sjkim SUREWARE_R_PADDING_CHECK_FAILED); 972280304Sjkim } 973280304Sjkim err: 974280304Sjkim if (buf) { 975280304Sjkim OPENSSL_cleanse(buf, tlen); 976280304Sjkim OPENSSL_free(buf); 977280304Sjkim } 978280304Sjkim return ret; 979160814Ssimon} 980160814Ssimon 981160814Ssimon/* 982280304Sjkim * Does what OpenSSL rsa_priv_enc does. 983280304Sjkim */ 984280304Sjkimstatic int surewarehk_rsa_sign(int flen, const unsigned char *from, 985280304Sjkim unsigned char *to, RSA *rsa, int padding) 986160814Ssimon{ 987280304Sjkim int ret = 0, tlen; 988280304Sjkim char *hptr = NULL; 989280304Sjkim char msg[64] = "ENGINE_rsa_sign"; 990280304Sjkim if (!p_surewarehk_Rsa_Sign) { 991280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN, ENGINE_R_NOT_INITIALISED); 992280304Sjkim } 993280304Sjkim /* extract ref to private key */ 994280304Sjkim else if (!(hptr = RSA_get_ex_data(rsa, rsaHndidx))) { 995280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN, 996280304Sjkim SUREWARE_R_MISSING_KEY_COMPONENTS); 997280304Sjkim } else { 998280304Sjkim switch (padding) { 999280304Sjkim case RSA_PKCS1_PADDING: /* do it in one shot */ 1000280304Sjkim ret = 1001280304Sjkim p_surewarehk_Rsa_Sign(msg, flen, (unsigned char *)from, &tlen, 1002280304Sjkim to, hptr, SUREWARE_PKCS1_PAD); 1003280304Sjkim surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_RSA_SIGN, 1004280304Sjkim ret); 1005280304Sjkim break; 1006280304Sjkim case RSA_NO_PADDING: 1007280304Sjkim default: 1008280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_RSA_SIGN, 1009280304Sjkim SUREWARE_R_UNKNOWN_PADDING_TYPE); 1010280304Sjkim } 1011280304Sjkim } 1012280304Sjkim return ret == 1 ? tlen : ret; 1013160814Ssimon} 1014160814Ssimon 1015280304Sjkim# endif 1016160814Ssimon 1017280304Sjkim# ifndef OPENSSL_NO_DSA 1018160814Ssimon/* DSA sign and verify */ 1019280304Sjkimstatic DSA_SIG *surewarehk_dsa_do_sign(const unsigned char *from, int flen, 1020280304Sjkim DSA *dsa) 1021160814Ssimon{ 1022280304Sjkim int ret = 0; 1023280304Sjkim char *hptr = NULL; 1024280304Sjkim DSA_SIG *psign = NULL; 1025280304Sjkim char msg[64] = "ENGINE_dsa_do_sign"; 1026280304Sjkim if (!p_surewarehk_Dsa_Sign) { 1027280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN, 1028280304Sjkim ENGINE_R_NOT_INITIALISED); 1029280304Sjkim goto err; 1030280304Sjkim } 1031280304Sjkim /* extract ref to private key */ 1032280304Sjkim else if (!(hptr = DSA_get_ex_data(dsa, dsaHndidx))) { 1033280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN, 1034280304Sjkim SUREWARE_R_MISSING_KEY_COMPONENTS); 1035280304Sjkim goto err; 1036280304Sjkim } else { 1037280304Sjkim if ((psign = DSA_SIG_new()) == NULL) { 1038280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_DSA_DO_SIGN, 1039280304Sjkim ERR_R_MALLOC_FAILURE); 1040280304Sjkim goto err; 1041280304Sjkim } 1042280304Sjkim psign->r = BN_new(); 1043280304Sjkim psign->s = BN_new(); 1044284285Sjkim if(!psign->r || !psign->s) 1045284285Sjkim goto err; 1046280304Sjkim bn_expand2(psign->r, 20 / sizeof(BN_ULONG)); 1047280304Sjkim bn_expand2(psign->s, 20 / sizeof(BN_ULONG)); 1048284285Sjkim if (psign->r->dmax != 20 / sizeof(BN_ULONG) || 1049284285Sjkim psign->s->dmax != 20 / sizeof(BN_ULONG)) 1050280304Sjkim goto err; 1051280304Sjkim ret = p_surewarehk_Dsa_Sign(msg, flen, from, 1052280304Sjkim (unsigned long *)psign->r->d, 1053280304Sjkim (unsigned long *)psign->s->d, hptr); 1054280304Sjkim surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_DSA_DO_SIGN, 1055280304Sjkim ret); 1056280304Sjkim } 1057280304Sjkim psign->r->top = 20 / sizeof(BN_ULONG); 1058280304Sjkim bn_fix_top(psign->r); 1059280304Sjkim psign->s->top = 20 / sizeof(BN_ULONG); 1060280304Sjkim bn_fix_top(psign->s); 1061160814Ssimon 1062280304Sjkim err: 1063280304Sjkim if (psign) { 1064280304Sjkim DSA_SIG_free(psign); 1065280304Sjkim psign = NULL; 1066280304Sjkim } 1067280304Sjkim return psign; 1068160814Ssimon} 1069280304Sjkim# endif 1070160814Ssimon 1071160814Ssimonstatic int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, 1072280304Sjkim const BIGNUM *m, BN_CTX *ctx) 1073160814Ssimon{ 1074280304Sjkim int ret = 0; 1075280304Sjkim char msg[64] = "ENGINE_modexp"; 1076280304Sjkim if (!p_surewarehk_Mod_Exp) { 1077280304Sjkim SUREWAREerr(SUREWARE_F_SUREWAREHK_MODEXP, ENGINE_R_NOT_INITIALISED); 1078284285Sjkim } else if (r) { 1079280304Sjkim bn_expand2(r, m->top); 1080284285Sjkim if (r->dmax == m->top) { 1081280304Sjkim /* do it */ 1082280304Sjkim ret = p_surewarehk_Mod_Exp(msg, 1083280304Sjkim m->top * sizeof(BN_ULONG), 1084280304Sjkim (unsigned long *)m->d, 1085280304Sjkim p->top * sizeof(BN_ULONG), 1086280304Sjkim (unsigned long *)p->d, 1087280304Sjkim a->top * sizeof(BN_ULONG), 1088280304Sjkim (unsigned long *)a->d, 1089280304Sjkim (unsigned long *)r->d); 1090280304Sjkim surewarehk_error_handling(msg, SUREWARE_F_SUREWAREHK_MODEXP, ret); 1091280304Sjkim if (ret == 1) { 1092280304Sjkim /* normalise result */ 1093280304Sjkim r->top = m->top; 1094280304Sjkim bn_fix_top(r); 1095280304Sjkim } 1096280304Sjkim } 1097280304Sjkim } 1098280304Sjkim return ret; 1099160814Ssimon} 1100280304Sjkim# endif /* !OPENSSL_NO_HW_SureWare */ 1101280304Sjkim#endif /* !OPENSSL_NO_HW */ 1102