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package org.bouncycastle.jcajce.provider.digest;
import org.bouncycastle.asn1.iana.IANAObjectIdentifiers;
import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.crypto.CipherKeyGenerator;
import org.bouncycastle.crypto.digests.SHA1Digest;
import org.bouncycastle.crypto.macs.HMac;
import org.bouncycastle.jcajce.provider.config.ConfigurableProvider;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator;
import org.bouncycastle.jce.provider.JCEMac;
public class SHA1
{
static public class Digest
extends BCMessageDigest
implements Cloneable
{
public Digest()
{
super(new SHA1Digest());
}
public Object clone()
throws CloneNotSupportedException
{
Digest d = (Digest)super.clone();
d.digest = new SHA1Digest((SHA1Digest)digest);
return d;
}
}
/**
* SHA1 HMac
*/
public static class HashMac
extends JCEMac
{
public HashMac()
{
super(new HMac(new SHA1Digest()));
}
}
public static class KeyGenerator
extends BaseKeyGenerator
{
public KeyGenerator()
{
super("HMACSHA1", 160, new CipherKeyGenerator());
}
}
public static class Mappings
extends DigestAlgorithmProvider
{
private static final String PREFIX = SHA1.class.getName();
public Mappings()
{
}
public void configure(ConfigurableProvider provider)
{
provider.addAlgorithm("MessageDigest.SHA-1", PREFIX + "$Digest");
provider.addAlgorithm("Alg.Alias.MessageDigest.SHA1", "SHA-1");
provider.addAlgorithm("Alg.Alias.MessageDigest.SHA", "SHA-1");
provider.addAlgorithm("Alg.Alias.MessageDigest." + OIWObjectIdentifiers.idSHA1, "SHA-1");
addHMACAlgorithm(provider, "SHA1", PREFIX + "$HashMac", PREFIX + "$KeyGenerator");
addHMACAlias(provider, "SHA1", PKCSObjectIdentifiers.id_hmacWithSHA1);
addHMACAlias(provider, "SHA1", IANAObjectIdentifiers.hmacSHA1);
}
}
}
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