diff options
Diffstat (limited to 'crypto/openssl/engines/e_aep.c')
| -rw-r--r-- | crypto/openssl/engines/e_aep.c | 1137 |
1 files changed, 0 insertions, 1137 deletions
diff --git a/crypto/openssl/engines/e_aep.c b/crypto/openssl/engines/e_aep.c deleted file mode 100644 index 7307ddf..0000000 --- a/crypto/openssl/engines/e_aep.c +++ /dev/null @@ -1,1137 +0,0 @@ -/* ==================================================================== - * Copyright (c) 1999 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include <openssl/bn.h> -#include <string.h> - -#include <openssl/e_os2.h> -#if !defined(OPENSSL_SYS_MSDOS) || defined(__DJGPP__) -#include <sys/types.h> -#include <unistd.h> -#else -#include <process.h> -typedef int pid_t; -#endif - -#include <openssl/crypto.h> -#include <openssl/dso.h> -#include <openssl/engine.h> -#include <openssl/buffer.h> -#ifndef OPENSSL_NO_RSA -#include <openssl/rsa.h> -#endif -#ifndef OPENSSL_NO_DSA -#include <openssl/dsa.h> -#endif -#ifndef OPENSSL_NO_DH -#include <openssl/dh.h> -#endif -#include <openssl/bn.h> - -#ifndef OPENSSL_NO_HW -#ifndef OPENSSL_NO_HW_AEP -#ifdef FLAT_INC -#include "aep.h" -#else -#include "vendor_defns/aep.h" -#endif - -#define AEP_LIB_NAME "aep engine" -#define FAIL_TO_SW 0x10101010 - -#include "e_aep_err.c" - -static int aep_init(ENGINE *e); -static int aep_finish(ENGINE *e); -static int aep_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)); -static int aep_destroy(ENGINE *e); - -static AEP_RV aep_get_connection(AEP_CONNECTION_HNDL_PTR hConnection); -static AEP_RV aep_return_connection(AEP_CONNECTION_HNDL hConnection); -static AEP_RV aep_close_connection(AEP_CONNECTION_HNDL hConnection); -static AEP_RV aep_close_all_connections(int use_engine_lock, int *in_use); - -/* BIGNUM stuff */ -#ifndef OPENSSL_NO_RSA -static int aep_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx); - -static AEP_RV aep_mod_exp_crt(BIGNUM *r,const BIGNUM *a, const BIGNUM *p, - const BIGNUM *q, const BIGNUM *dmp1,const BIGNUM *dmq1, - const BIGNUM *iqmp, BN_CTX *ctx); -#endif - -/* RSA stuff */ -#ifndef OPENSSL_NO_RSA -static int aep_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx); -#endif - -/* This function is aliased to mod_exp (with the mont stuff dropped). */ -#ifndef OPENSSL_NO_RSA -static int aep_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); -#endif - -/* DSA stuff */ -#ifndef OPENSSL_NO_DSA -static int aep_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1, - BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m, - BN_CTX *ctx, BN_MONT_CTX *in_mont); - -static int aep_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx); -#endif - -/* DH stuff */ -/* This function is aliased to mod_exp (with the DH and mont dropped). */ -#ifndef OPENSSL_NO_DH -static int aep_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); -#endif - -/* rand stuff */ -#ifdef AEPRAND -static int aep_rand(unsigned char *buf, int num); -static int aep_rand_status(void); -#endif - -/* Bignum conversion stuff */ -static AEP_RV GetBigNumSize(AEP_VOID_PTR ArbBigNum, AEP_U32* BigNumSize); -static AEP_RV MakeAEPBigNum(AEP_VOID_PTR ArbBigNum, AEP_U32 BigNumSize, - unsigned char* AEP_BigNum); -static AEP_RV ConvertAEPBigNum(void* ArbBigNum, AEP_U32 BigNumSize, - unsigned char* AEP_BigNum); - -/* The definitions for control commands specific to this engine */ -#define AEP_CMD_SO_PATH ENGINE_CMD_BASE -static const ENGINE_CMD_DEFN aep_cmd_defns[] = - { - { AEP_CMD_SO_PATH, - "SO_PATH", - "Specifies the path to the 'aep' shared library", - ENGINE_CMD_FLAG_STRING - }, - {0, NULL, NULL, 0} - }; - -#ifndef OPENSSL_NO_RSA -/* Our internal RSA_METHOD that we provide pointers to */ -static RSA_METHOD aep_rsa = - { - "Aep RSA method", - NULL, /*rsa_pub_encrypt*/ - NULL, /*rsa_pub_decrypt*/ - NULL, /*rsa_priv_encrypt*/ - NULL, /*rsa_priv_encrypt*/ - aep_rsa_mod_exp, /*rsa_mod_exp*/ - aep_mod_exp_mont, /*bn_mod_exp*/ - NULL, /*init*/ - NULL, /*finish*/ - 0, /*flags*/ - NULL, /*app_data*/ - NULL, /*rsa_sign*/ - NULL, /*rsa_verify*/ - NULL /*rsa_keygen*/ - }; -#endif - -#ifndef OPENSSL_NO_DSA -/* Our internal DSA_METHOD that we provide pointers to */ -static DSA_METHOD aep_dsa = - { - "Aep DSA method", - NULL, /* dsa_do_sign */ - NULL, /* dsa_sign_setup */ - NULL, /* dsa_do_verify */ - aep_dsa_mod_exp, /* dsa_mod_exp */ - aep_mod_exp_dsa, /* bn_mod_exp */ - NULL, /* init */ - NULL, /* finish */ - 0, /* flags */ - NULL, /* app_data */ - NULL, /* dsa_paramgen */ - NULL /* dsa_keygen */ - }; -#endif - -#ifndef OPENSSL_NO_DH -/* Our internal DH_METHOD that we provide pointers to */ -static DH_METHOD aep_dh = - { - "Aep DH method", - NULL, - NULL, - aep_mod_exp_dh, - NULL, - NULL, - 0, - NULL, - NULL - }; -#endif - -#ifdef AEPRAND -/* our internal RAND_method that we provide pointers to */ -static RAND_METHOD aep_random = - { - /*"AEP RAND method", */ - NULL, - aep_rand, - NULL, - NULL, - aep_rand, - aep_rand_status, - }; -#endif - -/*Define an array of structures to hold connections*/ -static AEP_CONNECTION_ENTRY aep_app_conn_table[MAX_PROCESS_CONNECTIONS]; - -/*Used to determine if this is a new process*/ -static pid_t recorded_pid = 0; - -#ifdef AEPRAND -static AEP_U8 rand_block[RAND_BLK_SIZE]; -static AEP_U32 rand_block_bytes = 0; -#endif - -/* Constants used when creating the ENGINE */ -static const char *engine_aep_id = "aep"; -static const char *engine_aep_name = "Aep hardware engine support"; - -static int max_key_len = 2176; - - -/* This internal function is used by ENGINE_aep() and possibly by the - * "dynamic" ENGINE support too */ -static int bind_aep(ENGINE *e) - { -#ifndef OPENSSL_NO_RSA - const RSA_METHOD *meth1; -#endif -#ifndef OPENSSL_NO_DSA - const DSA_METHOD *meth2; -#endif -#ifndef OPENSSL_NO_DH - const DH_METHOD *meth3; -#endif - - if(!ENGINE_set_id(e, engine_aep_id) || - !ENGINE_set_name(e, engine_aep_name) || -#ifndef OPENSSL_NO_RSA - !ENGINE_set_RSA(e, &aep_rsa) || -#endif -#ifndef OPENSSL_NO_DSA - !ENGINE_set_DSA(e, &aep_dsa) || -#endif -#ifndef OPENSSL_NO_DH - !ENGINE_set_DH(e, &aep_dh) || -#endif -#ifdef AEPRAND - !ENGINE_set_RAND(e, &aep_random) || -#endif - !ENGINE_set_init_function(e, aep_init) || - !ENGINE_set_destroy_function(e, aep_destroy) || - !ENGINE_set_finish_function(e, aep_finish) || - !ENGINE_set_ctrl_function(e, aep_ctrl) || - !ENGINE_set_cmd_defns(e, aep_cmd_defns)) - return 0; - -#ifndef OPENSSL_NO_RSA - /* We know that the "PKCS1_SSLeay()" functions hook properly - * to the aep-specific mod_exp and mod_exp_crt so we use - * those functions. NB: We don't use ENGINE_openssl() or - * anything "more generic" because something like the RSAref - * code may not hook properly, and if you own one of these - * cards then you have the right to do RSA operations on it - * anyway! */ - meth1 = RSA_PKCS1_SSLeay(); - aep_rsa.rsa_pub_enc = meth1->rsa_pub_enc; - aep_rsa.rsa_pub_dec = meth1->rsa_pub_dec; - aep_rsa.rsa_priv_enc = meth1->rsa_priv_enc; - aep_rsa.rsa_priv_dec = meth1->rsa_priv_dec; -#endif - - -#ifndef OPENSSL_NO_DSA - /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish - * bits. */ - meth2 = DSA_OpenSSL(); - aep_dsa.dsa_do_sign = meth2->dsa_do_sign; - aep_dsa.dsa_sign_setup = meth2->dsa_sign_setup; - aep_dsa.dsa_do_verify = meth2->dsa_do_verify; - - aep_dsa = *DSA_get_default_method(); - aep_dsa.dsa_mod_exp = aep_dsa_mod_exp; - aep_dsa.bn_mod_exp = aep_mod_exp_dsa; -#endif - -#ifndef OPENSSL_NO_DH - /* Much the same for Diffie-Hellman */ - meth3 = DH_OpenSSL(); - aep_dh.generate_key = meth3->generate_key; - aep_dh.compute_key = meth3->compute_key; - aep_dh.bn_mod_exp = meth3->bn_mod_exp; -#endif - - /* Ensure the aep error handling is set up */ - ERR_load_AEPHK_strings(); - - return 1; -} - -#ifndef OPENSSL_NO_DYNAMIC_ENGINE -static int bind_helper(ENGINE *e, const char *id) - { - if(id && (strcmp(id, engine_aep_id) != 0)) - return 0; - if(!bind_aep(e)) - return 0; - return 1; - } -IMPLEMENT_DYNAMIC_CHECK_FN() -IMPLEMENT_DYNAMIC_BIND_FN(bind_helper) -#else -static ENGINE *engine_aep(void) - { - ENGINE *ret = ENGINE_new(); - if(!ret) - return NULL; - if(!bind_aep(ret)) - { - ENGINE_free(ret); - return NULL; - } - return ret; - } - -void ENGINE_load_aep(void) - { - /* Copied from eng_[openssl|dyn].c */ - ENGINE *toadd = engine_aep(); - if(!toadd) return; - ENGINE_add(toadd); - ENGINE_free(toadd); - ERR_clear_error(); - } -#endif - -/* This is a process-global DSO handle used for loading and unloading - * the Aep library. NB: This is only set (or unset) during an - * init() or finish() call (reference counts permitting) and they're - * operating with global locks, so this should be thread-safe - * implicitly. */ -static DSO *aep_dso = NULL; - -/* These are the static string constants for the DSO file name and the function - * symbol names to bind to. -*/ -static const char *AEP_LIBNAME = NULL; -static const char *get_AEP_LIBNAME(void) - { - if(AEP_LIBNAME) - return AEP_LIBNAME; - return "aep"; - } -static void free_AEP_LIBNAME(void) - { - if(AEP_LIBNAME) - OPENSSL_free((void*)AEP_LIBNAME); - AEP_LIBNAME = NULL; - } -static long set_AEP_LIBNAME(const char *name) - { - free_AEP_LIBNAME(); - return ((AEP_LIBNAME = BUF_strdup(name)) != NULL ? 1 : 0); - } - -static const char *AEP_F1 = "AEP_ModExp"; -static const char *AEP_F2 = "AEP_ModExpCrt"; -#ifdef AEPRAND -static const char *AEP_F3 = "AEP_GenRandom"; -#endif -static const char *AEP_F4 = "AEP_Finalize"; -static const char *AEP_F5 = "AEP_Initialize"; -static const char *AEP_F6 = "AEP_OpenConnection"; -static const char *AEP_F7 = "AEP_SetBNCallBacks"; -static const char *AEP_F8 = "AEP_CloseConnection"; - -/* These are the function pointers that are (un)set when the library has - * successfully (un)loaded. */ -static t_AEP_OpenConnection *p_AEP_OpenConnection = NULL; -static t_AEP_CloseConnection *p_AEP_CloseConnection = NULL; -static t_AEP_ModExp *p_AEP_ModExp = NULL; -static t_AEP_ModExpCrt *p_AEP_ModExpCrt = NULL; -#ifdef AEPRAND -static t_AEP_GenRandom *p_AEP_GenRandom = NULL; -#endif -static t_AEP_Initialize *p_AEP_Initialize = NULL; -static t_AEP_Finalize *p_AEP_Finalize = NULL; -static t_AEP_SetBNCallBacks *p_AEP_SetBNCallBacks = NULL; - -/* (de)initialisation functions. */ -static int aep_init(ENGINE *e) - { - t_AEP_ModExp *p1; - t_AEP_ModExpCrt *p2; -#ifdef AEPRAND - t_AEP_GenRandom *p3; -#endif - t_AEP_Finalize *p4; - t_AEP_Initialize *p5; - t_AEP_OpenConnection *p6; - t_AEP_SetBNCallBacks *p7; - t_AEP_CloseConnection *p8; - - int to_return = 0; - - if(aep_dso != NULL) - { - AEPHKerr(AEPHK_F_AEP_INIT,AEPHK_R_ALREADY_LOADED); - goto err; - } - /* Attempt to load libaep.so. */ - - aep_dso = DSO_load(NULL, get_AEP_LIBNAME(), NULL, 0); - - if(aep_dso == NULL) - { - AEPHKerr(AEPHK_F_AEP_INIT,AEPHK_R_NOT_LOADED); - goto err; - } - - if( !(p1 = (t_AEP_ModExp *) DSO_bind_func( aep_dso,AEP_F1)) || - !(p2 = (t_AEP_ModExpCrt*) DSO_bind_func( aep_dso,AEP_F2)) || -#ifdef AEPRAND - !(p3 = (t_AEP_GenRandom*) DSO_bind_func( aep_dso,AEP_F3)) || -#endif - !(p4 = (t_AEP_Finalize*) DSO_bind_func( aep_dso,AEP_F4)) || - !(p5 = (t_AEP_Initialize*) DSO_bind_func( aep_dso,AEP_F5)) || - !(p6 = (t_AEP_OpenConnection*) DSO_bind_func( aep_dso,AEP_F6)) || - !(p7 = (t_AEP_SetBNCallBacks*) DSO_bind_func( aep_dso,AEP_F7)) || - !(p8 = (t_AEP_CloseConnection*) DSO_bind_func( aep_dso,AEP_F8))) - { - AEPHKerr(AEPHK_F_AEP_INIT,AEPHK_R_NOT_LOADED); - goto err; - } - - /* Copy the pointers */ - - p_AEP_ModExp = p1; - p_AEP_ModExpCrt = p2; -#ifdef AEPRAND - p_AEP_GenRandom = p3; -#endif - p_AEP_Finalize = p4; - p_AEP_Initialize = p5; - p_AEP_OpenConnection = p6; - p_AEP_SetBNCallBacks = p7; - p_AEP_CloseConnection = p8; - - to_return = 1; - - return to_return; - - err: - - if(aep_dso) - DSO_free(aep_dso); - aep_dso = NULL; - - p_AEP_OpenConnection = NULL; - p_AEP_ModExp = NULL; - p_AEP_ModExpCrt = NULL; -#ifdef AEPRAND - p_AEP_GenRandom = NULL; -#endif - p_AEP_Initialize = NULL; - p_AEP_Finalize = NULL; - p_AEP_SetBNCallBacks = NULL; - p_AEP_CloseConnection = NULL; - - return to_return; - } - -/* Destructor (complements the "ENGINE_aep()" constructor) */ -static int aep_destroy(ENGINE *e) - { - free_AEP_LIBNAME(); - ERR_unload_AEPHK_strings(); - return 1; - } - -static int aep_finish(ENGINE *e) - { - int to_return = 0, in_use; - AEP_RV rv; - - if(aep_dso == NULL) - { - AEPHKerr(AEPHK_F_AEP_FINISH,AEPHK_R_NOT_LOADED); - goto err; - } - - rv = aep_close_all_connections(0, &in_use); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_FINISH,AEPHK_R_CLOSE_HANDLES_FAILED); - goto err; - } - if (in_use) - { - AEPHKerr(AEPHK_F_AEP_FINISH,AEPHK_R_CONNECTIONS_IN_USE); - goto err; - } - - rv = p_AEP_Finalize(); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_FINISH,AEPHK_R_FINALIZE_FAILED); - goto err; - } - - if(!DSO_free(aep_dso)) - { - AEPHKerr(AEPHK_F_AEP_FINISH,AEPHK_R_UNIT_FAILURE); - goto err; - } - - aep_dso = NULL; - p_AEP_CloseConnection = NULL; - p_AEP_OpenConnection = NULL; - p_AEP_ModExp = NULL; - p_AEP_ModExpCrt = NULL; -#ifdef AEPRAND - p_AEP_GenRandom = NULL; -#endif - p_AEP_Initialize = NULL; - p_AEP_Finalize = NULL; - p_AEP_SetBNCallBacks = NULL; - - to_return = 1; - err: - return to_return; - } - -static int aep_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)) - { - int initialised = ((aep_dso == NULL) ? 0 : 1); - switch(cmd) - { - case AEP_CMD_SO_PATH: - if(p == NULL) - { - AEPHKerr(AEPHK_F_AEP_CTRL, - ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - if(initialised) - { - AEPHKerr(AEPHK_F_AEP_CTRL, - AEPHK_R_ALREADY_LOADED); - return 0; - } - return set_AEP_LIBNAME((const char*)p); - default: - break; - } - AEPHKerr(AEPHK_F_AEP_CTRL,AEPHK_R_CTRL_COMMAND_NOT_IMPLEMENTED); - return 0; - } - -static int aep_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx) - { - int to_return = 0; - int r_len = 0; - AEP_CONNECTION_HNDL hConnection; - AEP_RV rv; - - r_len = BN_num_bits(m); - - /* Perform in software if modulus is too large for hardware. */ - - if (r_len > max_key_len){ - AEPHKerr(AEPHK_F_AEP_MOD_EXP, AEPHK_R_SIZE_TOO_LARGE_OR_TOO_SMALL); - return BN_mod_exp(r, a, p, m, ctx); - } - - /*Grab a connection from the pool*/ - rv = aep_get_connection(&hConnection); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_MOD_EXP,AEPHK_R_GET_HANDLE_FAILED); - return BN_mod_exp(r, a, p, m, ctx); - } - - /*To the card with the mod exp*/ - rv = p_AEP_ModExp(hConnection,(void*)a, (void*)p,(void*)m, (void*)r,NULL); - - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_MOD_EXP,AEPHK_R_MOD_EXP_FAILED); - rv = aep_close_connection(hConnection); - return BN_mod_exp(r, a, p, m, ctx); - } - - /*Return the connection to the pool*/ - rv = aep_return_connection(hConnection); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_MOD_EXP,AEPHK_R_RETURN_CONNECTION_FAILED); - goto err; - } - - to_return = 1; - err: - return to_return; - } - -#ifndef OPENSSL_NO_RSA -static AEP_RV aep_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *q, const BIGNUM *dmp1, - const BIGNUM *dmq1,const BIGNUM *iqmp, BN_CTX *ctx) - { - AEP_RV rv = AEP_R_OK; - AEP_CONNECTION_HNDL hConnection; - - /*Grab a connection from the pool*/ - rv = aep_get_connection(&hConnection); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_MOD_EXP_CRT,AEPHK_R_GET_HANDLE_FAILED); - return FAIL_TO_SW; - } - - /*To the card with the mod exp*/ - rv = p_AEP_ModExpCrt(hConnection,(void*)a, (void*)p, (void*)q, (void*)dmp1,(void*)dmq1, - (void*)iqmp,(void*)r,NULL); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_MOD_EXP_CRT,AEPHK_R_MOD_EXP_CRT_FAILED); - rv = aep_close_connection(hConnection); - return FAIL_TO_SW; - } - - /*Return the connection to the pool*/ - rv = aep_return_connection(hConnection); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_MOD_EXP_CRT,AEPHK_R_RETURN_CONNECTION_FAILED); - goto err; - } - - err: - return rv; - } -#endif - - -#ifdef AEPRAND -static int aep_rand(unsigned char *buf,int len ) - { - AEP_RV rv = AEP_R_OK; - AEP_CONNECTION_HNDL hConnection; - - CRYPTO_w_lock(CRYPTO_LOCK_RAND); - - /*Can the request be serviced with what's already in the buffer?*/ - if (len <= rand_block_bytes) - { - memcpy(buf, &rand_block[RAND_BLK_SIZE - rand_block_bytes], len); - rand_block_bytes -= len; - CRYPTO_w_unlock(CRYPTO_LOCK_RAND); - } - else - /*If not the get another block of random bytes*/ - { - CRYPTO_w_unlock(CRYPTO_LOCK_RAND); - - rv = aep_get_connection(&hConnection); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_RAND,AEPHK_R_GET_HANDLE_FAILED); - goto err_nounlock; - } - - if (len > RAND_BLK_SIZE) - { - rv = p_AEP_GenRandom(hConnection, len, 2, buf, NULL); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_RAND,AEPHK_R_GET_RANDOM_FAILED); - goto err_nounlock; - } - } - else - { - CRYPTO_w_lock(CRYPTO_LOCK_RAND); - - rv = p_AEP_GenRandom(hConnection, RAND_BLK_SIZE, 2, &rand_block[0], NULL); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_RAND,AEPHK_R_GET_RANDOM_FAILED); - - goto err; - } - - rand_block_bytes = RAND_BLK_SIZE; - - memcpy(buf, &rand_block[RAND_BLK_SIZE - rand_block_bytes], len); - rand_block_bytes -= len; - - CRYPTO_w_unlock(CRYPTO_LOCK_RAND); - } - - rv = aep_return_connection(hConnection); - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_RAND,AEPHK_R_RETURN_CONNECTION_FAILED); - - goto err_nounlock; - } - } - - return 1; - err: - CRYPTO_w_unlock(CRYPTO_LOCK_RAND); - err_nounlock: - return 0; - } - -static int aep_rand_status(void) -{ - return 1; -} -#endif - -#ifndef OPENSSL_NO_RSA -static int aep_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) - { - int to_return = 0; - AEP_RV rv = AEP_R_OK; - - if (!aep_dso) - { - AEPHKerr(AEPHK_F_AEP_RSA_MOD_EXP,AEPHK_R_NOT_LOADED); - goto err; - } - - /*See if we have all the necessary bits for a crt*/ - if (rsa->q && rsa->dmp1 && rsa->dmq1 && rsa->iqmp) - { - rv = aep_mod_exp_crt(r0,I,rsa->p,rsa->q, rsa->dmp1,rsa->dmq1,rsa->iqmp,ctx); - - if (rv == FAIL_TO_SW){ - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - to_return = (*meth->rsa_mod_exp)(r0, I, rsa, ctx); - goto err; - } - else if (rv != AEP_R_OK) - goto err; - } - else - { - if (!rsa->d || !rsa->n) - { - AEPHKerr(AEPHK_F_AEP_RSA_MOD_EXP,AEPHK_R_MISSING_KEY_COMPONENTS); - goto err; - } - - rv = aep_mod_exp(r0,I,rsa->d,rsa->n,ctx); - if (rv != AEP_R_OK) - goto err; - - } - - to_return = 1; - - err: - return to_return; -} -#endif - -#ifndef OPENSSL_NO_DSA -static int aep_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1, - BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m, - BN_CTX *ctx, BN_MONT_CTX *in_mont) - { - BIGNUM t; - int to_return = 0; - BN_init(&t); - - /* let rr = a1 ^ p1 mod m */ - if (!aep_mod_exp(rr,a1,p1,m,ctx)) goto end; - /* let t = a2 ^ p2 mod m */ - if (!aep_mod_exp(&t,a2,p2,m,ctx)) goto end; - /* let rr = rr * t mod m */ - if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end; - to_return = 1; - end: - BN_free(&t); - return to_return; - } - -static int aep_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx) - { - return aep_mod_exp(r, a, p, m, ctx); - } -#endif - -#ifndef OPENSSL_NO_RSA -/* This function is aliased to mod_exp (with the mont stuff dropped). */ -static int aep_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx) - { - return aep_mod_exp(r, a, p, m, ctx); - } -#endif - -#ifndef OPENSSL_NO_DH -/* This function is aliased to mod_exp (with the dh and mont dropped). */ -static int aep_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx) - { - return aep_mod_exp(r, a, p, m, ctx); - } -#endif - -static AEP_RV aep_get_connection(AEP_CONNECTION_HNDL_PTR phConnection) - { - int count; - AEP_RV rv = AEP_R_OK; - - /*Get the current process id*/ - pid_t curr_pid; - - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); - -#ifndef NETWARE_CLIB - curr_pid = getpid(); -#else - curr_pid = GetThreadID(); -#endif - - /*Check if this is the first time this is being called from the current - process*/ - if (recorded_pid != curr_pid) - { - /*Remember our pid so we can check if we're in a new process*/ - recorded_pid = curr_pid; - - /*Call Finalize to make sure we have not inherited some data - from a parent process*/ - p_AEP_Finalize(); - - /*Initialise the AEP API*/ - rv = p_AEP_Initialize(NULL); - - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_GET_CONNECTION,AEPHK_R_INIT_FAILURE); - recorded_pid = 0; - goto end; - } - - /*Set the AEP big num call back functions*/ - rv = p_AEP_SetBNCallBacks(&GetBigNumSize, &MakeAEPBigNum, - &ConvertAEPBigNum); - - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_GET_CONNECTION,AEPHK_R_SETBNCALLBACK_FAILURE); - recorded_pid = 0; - goto end; - } - -#ifdef AEPRAND - /*Reset the rand byte count*/ - rand_block_bytes = 0; -#endif - - /*Init the structures*/ - for (count = 0;count < MAX_PROCESS_CONNECTIONS;count ++) - { - aep_app_conn_table[count].conn_state = NotConnected; - aep_app_conn_table[count].conn_hndl = 0; - } - - /*Open a connection*/ - rv = p_AEP_OpenConnection(phConnection); - - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_GET_CONNECTION,AEPHK_R_UNIT_FAILURE); - recorded_pid = 0; - goto end; - } - - aep_app_conn_table[0].conn_state = InUse; - aep_app_conn_table[0].conn_hndl = *phConnection; - goto end; - } - /*Check the existing connections to see if we can find a free one*/ - for (count = 0;count < MAX_PROCESS_CONNECTIONS;count ++) - { - if (aep_app_conn_table[count].conn_state == Connected) - { - aep_app_conn_table[count].conn_state = InUse; - *phConnection = aep_app_conn_table[count].conn_hndl; - goto end; - } - } - /*If no connections available, we're going to have to try - to open a new one*/ - for (count = 0;count < MAX_PROCESS_CONNECTIONS;count ++) - { - if (aep_app_conn_table[count].conn_state == NotConnected) - { - /*Open a connection*/ - rv = p_AEP_OpenConnection(phConnection); - - if (rv != AEP_R_OK) - { - AEPHKerr(AEPHK_F_AEP_GET_CONNECTION,AEPHK_R_UNIT_FAILURE); - goto end; - } - - aep_app_conn_table[count].conn_state = InUse; - aep_app_conn_table[count].conn_hndl = *phConnection; - goto end; - } - } - rv = AEP_R_GENERAL_ERROR; - end: - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); - return rv; - } - - -static AEP_RV aep_return_connection(AEP_CONNECTION_HNDL hConnection) - { - int count; - - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); - - /*Find the connection item that matches this connection handle*/ - for(count = 0;count < MAX_PROCESS_CONNECTIONS;count ++) - { - if (aep_app_conn_table[count].conn_hndl == hConnection) - { - aep_app_conn_table[count].conn_state = Connected; - break; - } - } - - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); - - return AEP_R_OK; - } - -static AEP_RV aep_close_connection(AEP_CONNECTION_HNDL hConnection) - { - int count; - AEP_RV rv = AEP_R_OK; - - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); - - /*Find the connection item that matches this connection handle*/ - for(count = 0;count < MAX_PROCESS_CONNECTIONS;count ++) - { - if (aep_app_conn_table[count].conn_hndl == hConnection) - { - rv = p_AEP_CloseConnection(aep_app_conn_table[count].conn_hndl); - if (rv != AEP_R_OK) - goto end; - aep_app_conn_table[count].conn_state = NotConnected; - aep_app_conn_table[count].conn_hndl = 0; - break; - } - } - - end: - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); - return rv; - } - -static AEP_RV aep_close_all_connections(int use_engine_lock, int *in_use) - { - int count; - AEP_RV rv = AEP_R_OK; - - *in_use = 0; - if (use_engine_lock) CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); - for (count = 0;count < MAX_PROCESS_CONNECTIONS;count ++) - { - switch (aep_app_conn_table[count].conn_state) - { - case Connected: - rv = p_AEP_CloseConnection(aep_app_conn_table[count].conn_hndl); - if (rv != AEP_R_OK) - goto end; - aep_app_conn_table[count].conn_state = NotConnected; - aep_app_conn_table[count].conn_hndl = 0; - break; - case InUse: - (*in_use)++; - break; - case NotConnected: - break; - } - } - end: - if (use_engine_lock) CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); - return rv; - } - -/*BigNum call back functions, used to convert OpenSSL bignums into AEP bignums. - Note only 32bit Openssl build support*/ - -static AEP_RV GetBigNumSize(AEP_VOID_PTR ArbBigNum, AEP_U32* BigNumSize) - { - BIGNUM* bn; - - /*Cast the ArbBigNum pointer to our BIGNUM struct*/ - bn = (BIGNUM*) ArbBigNum; - -#ifdef SIXTY_FOUR_BIT_LONG - *BigNumSize = bn->top << 3; -#else - /*Size of the bignum in bytes is equal to the bn->top (no of 32 bit - words) multiplies by 4*/ - *BigNumSize = bn->top << 2; -#endif - - return AEP_R_OK; - } - -static AEP_RV MakeAEPBigNum(AEP_VOID_PTR ArbBigNum, AEP_U32 BigNumSize, - unsigned char* AEP_BigNum) - { - BIGNUM* bn; - -#ifndef SIXTY_FOUR_BIT_LONG - unsigned char* buf; - int i; -#endif - - /*Cast the ArbBigNum pointer to our BIGNUM struct*/ - bn = (BIGNUM*) ArbBigNum; - -#ifdef SIXTY_FOUR_BIT_LONG - memcpy(AEP_BigNum, bn->d, BigNumSize); -#else - /*Must copy data into a (monotone) least significant byte first format - performing endian conversion if necessary*/ - for(i=0;i<bn->top;i++) - { - buf = (unsigned char*)&bn->d[i]; - - *((AEP_U32*)AEP_BigNum) = (AEP_U32) - ((unsigned) buf[1] << 8 | buf[0]) | - ((unsigned) buf[3] << 8 | buf[2]) << 16; - - AEP_BigNum += 4; - } -#endif - - return AEP_R_OK; - } - -/*Turn an AEP Big Num back to a user big num*/ -static AEP_RV ConvertAEPBigNum(void* ArbBigNum, AEP_U32 BigNumSize, - unsigned char* AEP_BigNum) - { - BIGNUM* bn; -#ifndef SIXTY_FOUR_BIT_LONG - int i; -#endif - - bn = (BIGNUM*)ArbBigNum; - - /*Expand the result bn so that it can hold our big num. - Size is in bits*/ - bn_expand(bn, (int)(BigNumSize << 3)); - -#ifdef SIXTY_FOUR_BIT_LONG - bn->top = BigNumSize >> 3; - - if((BigNumSize & 7) != 0) - bn->top++; - - memset(bn->d, 0, bn->top << 3); - - memcpy(bn->d, AEP_BigNum, BigNumSize); -#else - bn->top = BigNumSize >> 2; - - for(i=0;i<bn->top;i++) - { - bn->d[i] = (AEP_U32) - ((unsigned) AEP_BigNum[3] << 8 | AEP_BigNum[2]) << 16 | - ((unsigned) AEP_BigNum[1] << 8 | AEP_BigNum[0]); - AEP_BigNum += 4; - } -#endif - - return AEP_R_OK; -} - -#endif /* !OPENSSL_NO_HW_AEP */ -#endif /* !OPENSSL_NO_HW */ |
