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xs/sc_ssl/openssl/source/crypto/asn1/t_pkey.c  view on Meta::CPAN

			if ((gen != NULL) && !print(bp, gen_hybrid, gen,
				buffer, off))
				goto err;
			}
		if ((order != NULL) && !print(bp, "Order: ", order, 
			buffer, off)) goto err;
		if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor, 
			buffer, off)) goto err;
		if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
			goto err;
		}
	ret=1;
err:
	if (!ret)
 		ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
	if (p) 
		BN_free(p);
	if (a) 
		BN_free(a);
	if (b)
		BN_free(b);
	if (gen)
		BN_free(gen);
	if (order)
		BN_free(order);
	if (cofactor)
		BN_free(cofactor);
	if (ctx)
		BN_CTX_free(ctx);
	if (buffer != NULL) 
		OPENSSL_free(buffer);
	return(ret);	
	}

int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
	{
	unsigned char *buffer=NULL;
	size_t	buf_len=0, i;
	int     ret=0, reason=ERR_R_BIO_LIB;
	BIGNUM  *pub_key=NULL, *order=NULL;
	BN_CTX  *ctx=NULL;
	const EC_GROUP *group;
	const EC_POINT *public_key;
	const BIGNUM *priv_key;
 
	if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL)
		{
		reason = ERR_R_PASSED_NULL_PARAMETER;
		goto err;
		}

	public_key = EC_KEY_get0_public_key(x);
	if ((pub_key = EC_POINT_point2bn(group, public_key,
		EC_KEY_get_conv_form(x), NULL, ctx)) == NULL)
		{
		reason = ERR_R_EC_LIB;
		goto err;
		}

	buf_len = (size_t)BN_num_bytes(pub_key);
	priv_key = EC_KEY_get0_private_key(x);
	if (priv_key != NULL)
		{
		if ((i = (size_t)BN_num_bytes(priv_key)) > buf_len)
			buf_len = i;
		}

	buf_len += 10;
	if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
		{
		reason = ERR_R_MALLOC_FAILURE;
		goto err;
		}

	if (priv_key != NULL)
		{
		if (!BIO_indent(bp, off, 128))
			goto err;
		if ((order = BN_new()) == NULL)
			goto err;
		if (!EC_GROUP_get_order(group, order, NULL))
			goto err;
		if (BIO_printf(bp, "Private-Key: (%d bit)\n", 
			BN_num_bits(order)) <= 0) goto err;
		}
  
	if ((priv_key != NULL) && !print(bp, "priv:", priv_key, 
		buffer, off))
		goto err;
	if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
		buffer, off))
		goto err;
	if (!ECPKParameters_print(bp, group, off))
		goto err;
	ret=1;
err:
	if (!ret)
 		ECerr(EC_F_EC_KEY_PRINT, reason);
	if (pub_key) 
		BN_free(pub_key);
	if (order)
		BN_free(order);
	if (ctx)
		BN_CTX_free(ctx);
	if (buffer != NULL)
		OPENSSL_free(buffer);
	return(ret);
	}
#endif /* OPENSSL_NO_EC */

static int print(BIO *bp, const char *number, const BIGNUM *num, unsigned char *buf,
	     int off)
	{
	int n,i;
	const char *neg;

	if (num == NULL) return(1);
	neg = (BN_is_negative(num))?"-":"";
	if(!BIO_indent(bp,off,128))
		return 0;
	if (BN_is_zero(num))