hw_cluster_labs.c

开源的ssl算法openssl,版本0.9.8H

	
	
	
	/* cluster labs engine init */
	if(p_cl_engine_init()== 0){
		CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_INIT_FAILED);		
		goto err;
	}

	return(1);

err:	
	/* reset all pointers */
	if(cluster_labs_dso)
		DSO_free(cluster_labs_dso);

	cluster_labs_dso		= NULL;
	p_cl_engine_init		= NULL;	
	p_cl_mod_exp			= NULL;
	p_cl_mod_exp_crt		= NULL;
	p_cl_rsa_mod_exp		= NULL;
	p_cl_rsa_priv_enc		= NULL;
	p_cl_rsa_priv_dec		= NULL;	
	p_cl_rsa_pub_enc		= NULL;
	p_cl_rsa_pub_dec		= NULL;	
	p_cl_rand_bytes			= NULL;	
	p_cl_dsa_sign			= NULL;
	p_cl_dsa_verify			= NULL;	
	
	return(0);
	}
	

static int cluster_labs_finish(ENGINE *e)
	{

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_NOT_LOADED);
		return 0;
		}
	if(!DSO_free(cluster_labs_dso))
		{
		CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_DSO_FAILURE);
		return 0;
		}
		
	cluster_labs_dso 		= NULL;
	p_cl_engine_init		= NULL;		
	p_cl_mod_exp			= NULL;
	p_cl_rsa_mod_exp		= NULL;	
	p_cl_mod_exp_crt		= NULL;	
	p_cl_rsa_priv_enc		= NULL;	
	p_cl_rsa_priv_dec		= NULL;	
	p_cl_rsa_pub_enc		= NULL;
	p_cl_rsa_pub_dec		= NULL;	
	p_cl_rand_bytes			= NULL;		
	p_cl_dsa_sign			= NULL;
	p_cl_dsa_verify			= NULL;	
	
	return(1);	
	
	}
	
static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
	{
	int initialised = ((cluster_labs_dso == NULL) ? 0 : 1);

	switch(cmd)
		{
	case CLUSTER_LABS_CMD_SO_PATH:
		if(p == NULL)
			{
			CLerr(CL_F_CLUSTER_LABS_CTRL,ERR_R_PASSED_NULL_PARAMETER);
			return 0;
			}
		if(initialised)
			{
			CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_ALREADY_LOADED);
			return 0;
			}
		CLUSTER_LABS_LIB_NAME = (const char *)p;
		return 1;
	default:
		break;
		}
	CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_COMMAND_NOT_IMPLEMENTED);
	return 0;
	}
	

static int cluster_labs_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
		const BIGNUM *m, BN_CTX *ctx)
	{

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_NOT_LOADED);
		return 0;
		}	
	if(p_cl_mod_exp == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
		return 0;
		}

	return	p_cl_mod_exp(r, a, p, m, ctx);

	}
	
static int cluster_labs_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)
	{

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_NOT_LOADED);		
		return 0;
		}
	if(p_cl_mod_exp_crt == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_FUNCTION_NOT_BINDED);		
		return 0;
		}
	
	return	p_cl_mod_exp_crt(r, a, p, q,dmp1, dmq1, iqmp, ctx);
	
	}
	
static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
	{

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_NOT_LOADED);		
		return 0;
		}
	if(p_cl_rsa_mod_exp == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);				
		return 0;
		}

	return p_cl_rsa_mod_exp(r0, I, rsa);

	}
	
static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
	{

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_NOT_LOADED);		
		return 0;
		}
	if(p_cl_dsa_sign == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_FUNCTION_NOT_BINDED);				
		return 0;
		}

	return p_cl_dsa_sign(dgst, dlen, dsa);
	
	}
	
static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
				DSA_SIG *sig, DSA *dsa)
	{

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_NOT_LOADED);		
		return 0;
		}
	
	if(p_cl_dsa_verify == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_FUNCTION_NOT_BINDED);				
		return 0;
		}

	return p_cl_dsa_verify(dgst, dgst_len, sig, dsa);
	
	}			

static int cluster_labs_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 status = 0;
		
	BN_init(&t);
	/* let rr = a1 ^ p1 mod m */
	if (!cluster_labs_mod_exp(rr,a1,p1,m,ctx)) goto end;
	/* let t = a2 ^ p2 mod m */
	if (!cluster_labs_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;
	status = 1;
end:
	BN_free(&t);
	
	return(1);

	}

static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
		const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
		BN_MONT_CTX *m_ctx)
	{
	return 	cluster_labs_mod_exp(r, a, p, m, ctx);
	}
	
/* This function is aliased to mod_exp (with the mont stuff dropped). */
static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
		const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
	{
	return	cluster_labs_mod_exp(r, a, p, m, ctx);
	}
	

/* This function is aliased to mod_exp (with the dh and mont dropped). */
static int cluster_labs_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 	cluster_labs_mod_exp(r, a, p, m, ctx);
	}


static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
	     unsigned char *to, RSA *rsa, int padding)
	{

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_NOT_LOADED);		
		return 0;
		}
	if(p_cl_rsa_priv_enc == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_FUNCTION_NOT_BINDED);				
		return 0;
		}
		
	return 	p_cl_rsa_pub_enc(flen, from, to, rsa, padding);
	
	}  
	     
static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
	     unsigned char *to, RSA *rsa, int padding)
	{

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_NOT_LOADED);		
		return 0;
		}
	if(p_cl_rsa_priv_enc == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_FUNCTION_NOT_BINDED);				
		return 0;
		}
		
	return 	p_cl_rsa_pub_dec(flen, from, to, rsa, padding);
	
	}  


static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from, 
		unsigned char *to, RSA *rsa, int padding)
	{

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_NOT_LOADED);		
		return 0;
		}

	if(p_cl_rsa_priv_enc == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_FUNCTION_NOT_BINDED);				
		return 0;
		}
		
	return 	p_cl_rsa_priv_enc(flen, from, to, rsa, padding);
	
	}  

static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from, 
		unsigned char *to, RSA *rsa, int padding)
	{
	
	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_NOT_LOADED);		
		return 0;
		}
	if(p_cl_rsa_priv_dec == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_FUNCTION_NOT_BINDED);				
		return 0;
		}

	return 	p_cl_rsa_priv_dec(flen, from, to, rsa, padding);
		
	}  

/************************************************************************************
* Symmetric algorithms
************************************************************************************/
/* this will be come soon! */

/************************************************************************************
* Random generator
************************************************************************************/

static int cluster_labs_rand_bytes(unsigned char *buf, int num){

	if(cluster_labs_dso == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_NOT_LOADED);		
		return 0;
		}
	if(p_cl_mod_exp_crt == NULL)
		{
		CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_FUNCTION_NOT_BINDED);				
		return 0;
		}

	return 	p_cl_rand_bytes(buf, num);

}


/* This stuff is needed if this ENGINE is being compiled into a self-contained
 * shared-library. */
#ifdef ENGINE_DYNAMIC_SUPPORT
static int bind_fn(ENGINE *e, const char *id)
	{
	fprintf(stderr, "bind_fn CLUSTER_LABS\n");
	if(id && (strcmp(id, engine_cluster_labs_id) != 0)) {
		fprintf(stderr, "bind_fn return(0) first\n");
		return 0;
		}
	if(!bind_helper(e)) {
		fprintf(stderr, "bind_fn return(1) first\n");
		return 0;
		}
	fprintf(stderr, "bind_fn return(1)\n");		
	return 1;
	}
IMPLEMENT_DYNAMIC_CHECK_FN()
IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
#endif /* ENGINE_DYNAMIC_SUPPORT */
						
#endif /* !NO_HW_CLUSTER_LABS */
#endif /* !NO_HW */