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Back port of the latest updates of the AEP engine.

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This commit is contained in:
Richard Levitte 2002-02-28 13:45:55 +00:00
parent 56cf45f968
commit dac7098464
1 changed files with 53 additions and 12 deletions
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65
crypto/engine/hw_aep.c
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@ -81,11 +81,14 @@ typedef int pid_t;
#include "vendor_defns/aep.h"
#endif
#define FAIL_TO_SW 0x10101010
static int aep_init();
static int aep_finish();
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 */
@ -474,16 +477,26 @@ static int aep_mod_exp(BIGNUM *r, 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)
{
ENGINEerr(ENGINE_F_AEP_MOD_EXP,ENGINE_R_GET_HANDLE_FAILED);
goto err;
return BN_mod_exp(r, a, p, m, ctx);
}
/*To the card with the mod exp*/
@ -492,8 +505,8 @@ static int aep_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_MOD_EXP,ENGINE_R_MOD_EXP_FAILED);
rv = aep_return_connection(hConnection);
goto err;
rv = aep_close_connection(hConnection);
return BN_mod_exp(r, a, p, m, ctx);
}
/*Return the connection to the pool*/
@ -501,7 +514,7 @@ static int aep_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_RAND,ENGINE_R_RETURN_CONNECTION_FAILED);
goto err;
goto err;
}
to_return = 1;
@ -522,18 +535,18 @@ static AEP_RV aep_mod_exp_crt(BIGNUM *r, const BIGNUM *a,
if (rv != AEP_R_OK)
{
ENGINEerr(ENGINE_F_AEP_MOD_EXP_CRT,ENGINE_R_GET_HANDLE_FAILED);
goto err;
goto 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)
{
{
ENGINEerr(ENGINE_F_AEP_MOD_EXP_CRT,ENGINE_R_MOD_EXP_CRT_FAILED);
rv = aep_return_connection(hConnection);
goto err;
}
rv = aep_close_connection(hConnection);
return FAIL_TO_SW;
}
/*Return the connection to the pool*/
rv = aep_return_connection(hConnection);
@ -645,8 +658,14 @@ static int aep_rsa_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
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;
if (rv == FAIL_TO_SW)
{
const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
to_return = (*meth->rsa_mod_exp)(r0, I, rsa);
goto err;
}
else if (rv != AEP_R_OK)
goto err;
}
else
{
@ -850,6 +869,28 @@ static AEP_RV aep_return_connection(AEP_CONNECTION_HNDL hConnection)
return AEP_R_OK;
}
static AEP_RV aep_close_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 = NotConnected;
close(aep_app_conn_table[count].conn_hndl);
break;
}
}
CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
return AEP_R_OK;
}
static AEP_RV aep_close_all_connections(int use_engine_lock, int *in_use)
{
int count;