org.wildfly.security.sasl.scram.ScramUtil Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wildfly.security.sasl.scram;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Map;
import org.wildfly.security.sasl.WildFlySasl;
/**
* @author David M. Lloyd
*/
class ScramUtil {
static int getIntProperty(final Map props, final String name, final int defVal) {
final Object val = props.get(name);
if (val == null) {
return defVal;
} else {
return Integer.parseInt(val.toString());
}
}
static SecureRandom getSecureRandom(final Map props) {
final Object propVal = props.get(WildFlySasl.SECURE_RNG);
final String rngName = propVal instanceof String ? (String) propVal : null;
SecureRandom secureRandom = null;
if (rngName != null) {
try {
secureRandom = SecureRandom.getInstance(rngName);
} catch (NoSuchAlgorithmException ignored) {
}
}
return secureRandom;
}
}