--- /dev/null
+/* ====================================================================
+ * 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__) || defined(__MINGW32__)
+#include <sys/types.h>
+#include <unistd.h>
+#else
+#include <process.h>
+typedef int pid_t;
+#endif
+
+#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_CLIB)
+#define getpid GetThreadID
+extern int GetThreadID(void);
+#elif defined(_WIN32) && !defined(__WATCOMC__)
+#define getpid _getpid
+#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
+
+#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);
+
+ curr_pid = getpid();
+
+ /*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 */
projects / cassiopeia.git / blobdiff