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Commit missing AEP files (oops)

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Mark J. Cox 2001-11-12 12:11:06 +00:00
parent 37fe697597
commit c7d827fc90
2 changed files with 1030 additions and 0 deletions
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crypto/engine/hw_aep.c Normal file
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/* crypto/engine/hw_aep.c */
/*
*/
/* ====================================================================
* 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 <unistd.h>
#include <openssl/crypto.h>
#include "cryptlib.h"
#include <openssl/dso.h>
#include "engine_int.h"
#include <openssl/engine.h>
#ifndef NO_HW
#ifndef NO_HW_AEP
#ifdef FLAT_INC
#include "aep.h"
#else
#include "vendor_defns/aep.h"
#endif
static int aep_init(void);
static int aep_finish(void);
static int aep_get_connection(AEP_CONNECTION_HNDL *hConnection);
static int aep_return_connection(AEP_CONNECTION_HNDL hConnection);
/* BIGNUM stuff */
static int aep_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx);
/* RSA stuff */
static int aep_rsa_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa);
/* This function is aliased to mod_exp (with the mont stuff dropped). */
static int aep_mod_exp_mont(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
/* DSA stuff */
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);
/* DH stuff */
/* This function is aliased to mod_exp (with the DH and mont dropped). */
static int aep_mod_exp_dh(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
/* rand stuff */
static int aep_rand(unsigned char *buf, int num);
/* 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*/
};
/* 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 */
};
/* 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
};
/* our internal RAND_method that we provide pointers to */
static RAND_METHOD aep_random =
{
/*"AEP RAND method", */
NULL,
aep_rand,
NULL,
NULL,
aep_rand,
NULL,
};
/* Our ENGINE structure. */
static ENGINE engine_aep =
{
"aep",
"Aep hardware engine support",
&aep_rsa,
&aep_dsa,
&aep_dh,
&aep_random,
aep_mod_exp,
NULL,
aep_init,
aep_finish,
NULL, /* no ctrl() */
NULL, /* no load_privkey() */
NULL, /* no load_pubkey() */
0, /* no flags */
0, 0, /* no references */
NULL, NULL /* unlinked */
};
/*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;
static int rnd_reference;
static AEP_U8 rand_block[RAND_BLK_SIZE];
static AEP_U32 rand_block_bytes = 0;
/* As this is only ever called once, there's no need for locking
* (indeed - the lock will already be held by our caller!!!) */
ENGINE *ENGINE_aep()
{
RSA_METHOD *meth1;
DSA_METHOD *meth2;
DH_METHOD *meth3;
/* 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;
/* 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_openssl_method();
aep_dsa.dsa_mod_exp = aep_dsa_mod_exp;
aep_dsa.bn_mod_exp = aep_mod_exp_dsa;
/* 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;
return &engine_aep;
}
/* 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 function pointers that are (un)set when the library has
* successfully (un)loaded. */
static t_AEP_OpenConnection *p_AEP_OpenConnection = NULL;
static t_AEP_ModExp *p_AEP_ModExp = NULL;
static t_AEP_ModExpCrt *p_AEP_ModExpCrt = NULL;
static t_AEP_GenRandom *p_AEP_GenRandom = NULL;
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()
{
t_AEP_ModExp *p1;
t_AEP_ModExpCrt *p2;
t_AEP_GenRandom *p3;
t_AEP_Finalize *p4;
t_AEP_Initialize *p5;
t_AEP_OpenConnection *p6;
t_AEP_SetBNCallBacks *p7;
unsigned int hConnection,rv;
int to_return = 0;
if(aep_dso != NULL)
{
ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_ALREADY_LOADED);
goto err;
}
/* Attempt to load libaep.so. */
aep_dso = DSO_load(NULL, AEP_LIBNAME, NULL,
DSO_FLAG_NAME_TRANSLATION);
if(aep_dso == NULL)
{
ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_DSO_FAILURE);
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)) ||
!(p3 = (t_AEP_GenRandom*) DSO_bind_func( aep_dso,AEP_F3)) ||
!(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)))
{
ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_DSO_FAILURE);
goto err;
}
/* Copy the pointers */
p_AEP_ModExp = p1;
p_AEP_ModExpCrt = p2;
p_AEP_GenRandom = p3;
p_AEP_Finalize = p4;
p_AEP_Initialize = p5;
p_AEP_OpenConnection = p6;
p_AEP_SetBNCallBacks = p7;
/* Perform a basic test to see if there's actually any unit
* running. */
CRYPTO_add(&rnd_reference, 1, CRYPTO_LOCK_DYNLOCK);
rv = aep_get_connection(&hConnection);
if (rv != AEP_R_OK)
goto err;
/* Everything's fine. */
rv = aep_return_connection(hConnection);
to_return = 1;
return to_return;
err:
if(aep_dso)
DSO_free(aep_dso);
p_AEP_OpenConnection = NULL;
p_AEP_ModExp = NULL;
p_AEP_ModExpCrt = NULL;
p_AEP_GenRandom = NULL;
p_AEP_Initialize = NULL;
p_AEP_Finalize = NULL;
p_AEP_SetBNCallBacks = NULL;
return to_return;
}
static int aep_finish()
{
int to_return = 0;
if(aep_dso == NULL)
{
ENGINEerr(ENGINE_F_AEP_FINISH,ENGINE_R_NOT_LOADED);
goto err;
}
if(!DSO_free(aep_dso))
{
ENGINEerr(ENGINE_F_AEP_FINISH,ENGINE_R_DSO_FAILURE);
goto err;
}
aep_dso = NULL;
p_AEP_OpenConnection = NULL;
p_AEP_ModExp = NULL;
p_AEP_ModExpCrt = NULL;
p_AEP_GenRandom = NULL;
p_AEP_Initialize = NULL;
p_AEP_Finalize = NULL;
p_AEP_SetBNCallBacks = NULL;
CRYPTO_add(&rnd_reference, -1, CRYPTO_LOCK_DYNLOCK);
to_return = 1;
err:
return to_return;
}
static int aep_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx)
{
int to_return = 0;
unsigned int hConnection, rv;
/*Grab a connection from the pool*/
rv = aep_get_connection(&hConnection);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_MOD_EXP,ENGINE_R_GET_HANDLE_FAILED);
goto err;
}
/*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)
{
ENGINEerr(ENGINE_F_AEP_MOD_EXP,ENGINE_R_MOD_EXP_FAILED);
rv = aep_return_connection(hConnection);
goto err;
}
/*Return the connection to the pool*/
rv = aep_return_connection(hConnection);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_RETURN_CONNECTION_FAILED);
goto err;
}
to_return = 1;
err:
return to_return;
}
static int aep_mod_exp_crt(BIGNUM *r, 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_U32 hConnection;
/*Grab a connection from the pool*/
rv = aep_get_connection(&hConnection);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_MOD_EXP_CRT,ENGINE_R_GET_HANDLE_FAILED);
goto err;
}
/*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)
{
ENGINEerr(ENGINE_F_AEP_MOD_EXP_CRT,ENGINE_R_MOD_EXP_CRT_FAILED);
rv = aep_return_connection(hConnection);
goto err;
}
/*Return the connection to the pool*/
rv = aep_return_connection(hConnection);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_RETURN_CONNECTION_FAILED);
goto err;
}
err:
return rv;
}
static int aep_rand(unsigned char *buf,int len )
{
AEP_RV rv = AEP_R_OK;
AEP_U32 hConnection;
int to_return = 0;
CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
/*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;
}
else
/*If not the get another block of random bytes*/
{
rv = aep_get_connection(&hConnection);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_GET_HANDLE_FAILED);
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
goto err;
}
if (len > RAND_BLK_SIZE)
{
rv = p_AEP_GenRandom(hConnection, len, 2, buf, NULL);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_GET_RANDOM_FAILED);
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
goto err;
}
}
else
{
rv = p_AEP_GenRandom(hConnection, RAND_BLK_SIZE, 2, &rand_block[0], NULL);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_GET_RANDOM_FAILED);
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
goto err;
}
rand_block_bytes = RAND_BLK_SIZE;
memcpy(buf, &rand_block[RAND_BLK_SIZE - rand_block_bytes], len);
rand_block_bytes -= len;
}
rv = aep_return_connection(hConnection);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_RETURN_CONNECTION_FAILED);
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
goto err;
}
}
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
to_return = 1;
err:
return to_return;
}
static int aep_rsa_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
{
BN_CTX *ctx = NULL;
int to_return = 0;
AEP_RV rv = AEP_R_OK;
if (!aep_dso)
{
ENGINEerr(ENGINE_F_AEP_RSA_MOD_EXP,ENGINE_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 != AEP_R_OK)
goto err;
}
else
{
if (!rsa->d || !rsa->n)
{
ENGINEerr(ENGINE_F_AEP_RSA_MOD_EXP,ENGINE_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:
if(ctx)
BN_CTX_free(ctx);
return to_return;
}
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);
}
/* This function is aliased to mod_exp (with the mont stuff dropped). */
static int aep_mod_exp_mont(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);
}
/* This function is aliased to mod_exp (with the dh and mont dropped). */
static int aep_mod_exp_dh(DH *dh, 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);
}
static int aep_get_connection(AEP_CONNECTION_HNDL *hConnection)
{
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)
{
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)
{
ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_AEP_INIT_FAILURE);
recorded_pid = 0;
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return rv;
}
/*Set the AEP big num call back functions*/
rv = p_AEP_SetBNCallBacks(&GetBigNumSize, &MakeAEPBigNum, &ConvertAEPBigNum);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_SETBNCALLBACK_FAILURE);
recorded_pid = 0;
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return rv;
}
/*Reset the rand byte count*/
rand_block_bytes = 0;
/*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(hConnection);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_UNIT_FAILURE);
recorded_pid = 0;
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return rv;
}
aep_app_conn_table[0].conn_state = InUse;
aep_app_conn_table[0].conn_hndl = *hConnection;
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return (rv);
}
/*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;
*hConnection = aep_app_conn_table[count].conn_hndl;
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return rv;
}
}
/*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(hConnection);
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_INIT,ENGINE_R_UNIT_FAILURE);
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return rv;
}
aep_app_conn_table[count].conn_state = InUse;
aep_app_conn_table[count].conn_hndl = *hConnection;
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return rv;
}
}
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return AEP_R_GENERAL_ERROR;
}
static int 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;
}
/*BigNum call back functions, used to convert OpenSSL bignums into AEP bignums.
Note only 32bit Openssl build support*/
AEP_RV GetBigNumSize(void* 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;
}
AEP_RV MakeAEPBigNum(void* 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*/
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 /* !NO_HW_AEP */
#endif /* !NO_HW */

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/* This header declares the necessary definitions for using the exponentiation
* acceleration capabilities, and rnd number generation of the AEP card.
*
*/
/*
*
* Some AEP defines
*
*/
/*Successful return value*/
#define AEP_R_OK 0x00000000
/*Miscelleanous unsuccessful return value*/
#define AEP_R_GENERAL_ERROR 0x10000001
/*Insufficient host memory*/
#define AEP_R_HOST_MEMORY 0x10000002
#define AEP_R_FUNCTION_FAILED 0x10000006
/*Invalid arguments in function call*/
#define AEP_R_ARGUMENTS_BAD 0x10020000
#define AEP_R_NO_TARGET_RESOURCES 0x10030000
/*Error occuring on socket operation*/
#define AEP_R_SOCKERROR 0x10000010
/*Socket has been closed from the other end*/
#define AEP_R_SOCKEOF 0x10000011
/*Invalid handles*/
#define AEP_R_CONNECTION_HANDLE_INVALID 0x100000B3
#define AEP_R_TRANSACTION_HANDLE_INVALID 0x10040000
/*Transaction has not yet returned from accelerator*/
#define AEP_R_TRANSACTION_NOT_READY 0x00010000
/*There is already a thread waiting on this transaction*/
#define AEP_R_TRANSACTION_CLAIMED 0x10050000
/*The transaction timed out*/
#define AEP_R_TIMED_OUT 0x10060000
#define AEP_R_FXN_NOT_IMPLEMENTED 0x10070000
#define AEP_R_TARGET_ERROR 0x10080000
/*Error in the AEP daemon process*/
#define AEP_R_DAEMON_ERROR 0x10090000
/*Invalid ctx id*/
#define AEP_R_INVALID_CTX_ID 0x10009000
#define AEP_R_NO_KEY_MANAGER 0x1000a000
/*Error obtaining a mutex*/
#define AEP_R_MUTEX_BAD 0x000001A0
/*Fxn call before AEP_Initialise ot after AEP_Finialise*/
#define AEP_R_AEPAPI_NOT_INITIALIZED 0x10000190
/*AEP_Initialise has already been called*/
#define AEP_R_AEPAPI_ALREADY_INITIALIZED 0x10000191
/*Maximum number of connections to daemon reached*/
#define AEP_R_NO_MORE_CONNECTION_HNDLS 0x10000200
/*
*
* Some AEP Type definitions
*
*/
/* an unsigned 8-bit value */
typedef unsigned char AEP_U8;
/* an unsigned 8-bit character */
typedef char AEP_CHAR;
/* a BYTE-sized Boolean flag */
typedef AEP_U8 AEP_BBOOL;
/*Unsigned value, at least 16 bits long*/
typedef unsigned short AEP_U16;
/* an unsigned value, at least 32 bits long */
typedef unsigned int AEP_U32;
/*#if defined(AEP_Win32)*/
/* 64 bit unsigned value */
/*typedef unsigned _int64 AEP_U64;
#elif defined(AEP_GENERIC)*/
/* 64 bit unsigned value */
typedef unsigned long long AEP_U64;
/*#endif*/
/* at least 32 bits; each bit is a Boolean flag */
typedef AEP_U32 AEP_FLAGS;
typedef AEP_U8 *AEP_U8_PTR;
typedef AEP_CHAR *AEP_CHAR_PTR;
typedef AEP_U32 *AEP_U32_PTR;
typedef AEP_U64 *AEP_U64_PTR;
typedef void *AEP_VOID_PTR;
/* Pointer to a AEP_VOID_PTR-- i.e., pointer to pointer to void */
typedef AEP_VOID_PTR *AEP_VOID_PTR_PTR;
/*Used to identify an AEP connection handle*/
typedef AEP_U32 AEP_CONNECTION_HNDL;
/*Pointer to an AEP connection handle*/
typedef AEP_CONNECTION_HNDL *AEP_CONNECTION_HNDL_PTR;
/*Used by an application (in conjunction with the apps process id) to
identify an individual transaction*/
typedef AEP_U32 AEP_TRANSACTION_ID;
/*Pointer to an applications transaction identifier*/
typedef AEP_TRANSACTION_ID *AEP_TRANSACTION_ID_PTR;
/*Return value type*/
typedef AEP_U32 AEP_RV;
#define MAX_PROCESS_CONNECTIONS 5
#define RAND_BLK_SIZE 1024
typedef enum{
NotConnected= 0,
Connected= 1,
InUse= 2
} AEP_CONNECTION_STATE;
typedef struct AEP_CONNECTION_ENTRY{
AEP_CONNECTION_STATE conn_state;
AEP_CONNECTION_HNDL conn_hndl;
} AEP_CONNECTION_ENTRY;
AEP_RV GetBigNumSize(void* ArbBigNum, AEP_U32* BigNumSize);
AEP_RV MakeAEPBigNum(void* ArbBigNum, AEP_U32 BigNumSize, unsigned char* AEP_BigNum);
AEP_RV ConvertAEPBigNum(void* ArbBigNum, AEP_U32 BigNumSize, unsigned char* AEP_BigNum);
typedef unsigned int t_AEP_OpenConnection(unsigned int *phConnection);
typedef unsigned int t_AEP_ModExp(unsigned int hConnection, void *a, void *p,
void *n, void *r,unsigned long long *tranid);
typedef unsigned int t_AEP_ModExpCrt(unsigned int hConnection,void *a, void *p,
void *q, void *dmp1, void *dmq1,void *iqmp,
void *r,unsigned long long *tranid);
typedef unsigned int t_AEP_GenRandom(AEP_CONNECTION_HNDL hConnection,
AEP_U32 Len,
AEP_U32 Type,
AEP_VOID_PTR pResult,
AEP_TRANSACTION_ID* pidTransID
);
typedef unsigned int t_AEP_Initialize(AEP_VOID_PTR pInitArgs);
typedef unsigned int t_AEP_Finalize();
typedef unsigned int t_AEP_SetBNCallBacks(
AEP_RV (*GetBigNumSizeFunc)(),
AEP_RV (*MakeAEPBigNumFunc)(),
AEP_RV (*ConverAEPBigNumFunc)()
);
/* These are the static string constants for the DSO file name and the function
* symbol names to bind to.
*/
static const char *AEP_LIBNAME = "aep";
static const char *AEP_F1 = "AEP_ModExp";
static const char *AEP_F2 = "AEP_ModExpCrt";
static const char *AEP_F3 = "AEP_GenRandom";
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";