com.appslandia.sweetsop.pinning.Pin Maven / Gradle / Ivy
// The MIT License (MIT)
// Copyright © 2015 AppsLandia. All rights reserved.
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
package com.appslandia.sweetsop.pinning;
import java.security.cert.CertificateEncodingException;
import java.security.cert.X509Certificate;
import com.appslandia.common.crypto.Digester;
import com.appslandia.common.utils.AssertUtils;
import com.appslandia.common.utils.BaseEncodingUtils;
/**
*
* @author Loc Ha
*/
public abstract class Pin {
final String base64Pin;
final Digester digester;
public Pin(String base64Pin, Digester digester) {
AssertUtils.assertNotNull(base64Pin);
AssertUtils.assertNotNull(digester);
this.base64Pin = base64Pin;
this.digester = digester;
}
public boolean verify(X509Certificate cert) throws CertificateEncodingException {
byte[] digested = this.digester.digest(getPinData(cert));
return this.base64Pin.equals(BaseEncodingUtils.encodeBase64ToString(digested));
}
protected abstract byte[] getPinData(X509Certificate cert) throws CertificateEncodingException;
}