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The Bouncy Castle Java CMS and S/MIME APIs for handling the CMS and S/MIME protocols. This jar contains CMS and S/MIME APIs for JDK 1.6. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs. If the S/MIME API is used, the JavaMail API and the Java activation framework will also be needed.
package org.bouncycastle.cms;
import org.bouncycastle.util.Arrays;
import java.security.cert.X509CertSelector;
/**
* a basic index for a signer.
*/
public class SignerId
extends X509CertSelector
{
public int hashCode()
{
int code = Arrays.hashCode(this.getSubjectKeyIdentifier());
if (this.getSerialNumber() != null)
{
code ^= this.getSerialNumber().hashCode();
}
if (this.getIssuerAsString() != null)
{
code ^= this.getIssuerAsString().hashCode();
}
return code;
}
public boolean equals(
Object o)
{
if (!(o instanceof SignerId))
{
return false;
}
SignerId id = (SignerId)o;
return Arrays.areEqual(this.getSubjectKeyIdentifier(), id.getSubjectKeyIdentifier())
&& equalsObj(this.getSerialNumber(), id.getSerialNumber())
&& equalsObj(this.getIssuerAsString(), id.getIssuerAsString());
}
private boolean equalsObj(Object a, Object b)
{
return (a != null) ? a.equals(b) : b == null;
}
}