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package org.bouncycastle.jcajce.provider.digest;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import javax.crypto.SecretKey;
import javax.crypto.spec.PBEKeySpec;
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.CipherParameters;
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.BCPBEKey;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseSecretKeyFactory;
import org.bouncycastle.jcajce.provider.symmetric.util.PBE;
import org.bouncycastle.jcajce.provider.symmetric.util.PBESecretKeyFactory;
public class SHA1
{
private 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 BaseMac
{
public HashMac()
{
super(new HMac(new SHA1Digest()));
}
}
public static class KeyGenerator
extends BaseKeyGenerator
{
public KeyGenerator()
{
super("HMACSHA1", 160, new CipherKeyGenerator());
}
}
/**
* SHA1 HMac
*/
public static class SHA1Mac
extends BaseMac
{
public SHA1Mac()
{
super(new HMac(new SHA1Digest()));
}
}
/**
* PBEWithHmacSHA
*/
public static class PBEWithMacKeyFactory
extends PBESecretKeyFactory
{
public PBEWithMacKeyFactory()
{
super("PBEwithHmacSHA", null, false, PKCS12, SHA1, 160, 0);
}
}
public static class BasePBKDF2WithHmacSHA1
extends BaseSecretKeyFactory
{
private int scheme;
public BasePBKDF2WithHmacSHA1(String name, int scheme)
{
super(name, PKCSObjectIdentifiers.id_PBKDF2);
this.scheme = scheme;
}
protected SecretKey engineGenerateSecret(
KeySpec keySpec)
throws InvalidKeySpecException
{
if (keySpec instanceof PBEKeySpec)
{
PBEKeySpec pbeSpec = (PBEKeySpec)keySpec;
if (pbeSpec.getSalt() == null)
{
throw new InvalidKeySpecException("missing required salt");
}
if (pbeSpec.getIterationCount() <= 0)
{
throw new InvalidKeySpecException("positive iteration count required: "
+ pbeSpec.getIterationCount());
}
if (pbeSpec.getKeyLength() <= 0)
{
throw new InvalidKeySpecException("positive key length required: "
+ pbeSpec.getKeyLength());
}
if (pbeSpec.getPassword().length == 0)
{
throw new IllegalArgumentException("password empty");
}
int digest = SHA1;
int keySize = pbeSpec.getKeyLength();
int ivSize = -1; // JDK 1,2 and earlier does not understand simplified version.
CipherParameters param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize);
return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);
}
throw new InvalidKeySpecException("Invalid KeySpec");
}
}
public static class PBKDF2WithHmacSHA1UTF8
extends BasePBKDF2WithHmacSHA1
{
public PBKDF2WithHmacSHA1UTF8()
{
super("PBKDF2WithHmacSHA1", PKCS5S2_UTF8);
}
}
public static class PBKDF2WithHmacSHA18BIT
extends BasePBKDF2WithHmacSHA1
{
public PBKDF2WithHmacSHA18BIT()
{
super("PBKDF2WithHmacSHA1And8bit", PKCS5S2);
}
}
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 + "$KeyGenerator");
addHMACAlias(provider, "SHA1", PKCSObjectIdentifiers.id_hmacWithSHA1);
addHMACAlias(provider, "SHA1", IANAObjectIdentifiers.hmacSHA1);
provider.addAlgorithm("Mac.PBEWITHHMACSHA", PREFIX + "$SHA1Mac");
provider.addAlgorithm("Mac.PBEWITHHMACSHA1", PREFIX + "$SHA1Mac");
provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBEWITHHMACSHA", "PBEWITHHMACSHA1");
provider.addAlgorithm("Alg.Alias.SecretKeyFactory." + OIWObjectIdentifiers.idSHA1, "PBEWITHHMACSHA1");
provider.addAlgorithm("Alg.Alias.Mac." + OIWObjectIdentifiers.idSHA1, "PBEWITHHMACSHA");
provider.addAlgorithm("SecretKeyFactory.PBEWITHHMACSHA1", PREFIX + "$PBEWithMacKeyFactory");
provider.addAlgorithm("SecretKeyFactory.PBKDF2WithHmacSHA1", PREFIX + "$PBKDF2WithHmacSHA1UTF8");
provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBKDF2WithHmacSHA1AndUTF8", "PBKDF2WithHmacSHA1");
provider.addAlgorithm("SecretKeyFactory.PBKDF2WithHmacSHA1And8BIT", PREFIX + "$PBKDF2WithHmacSHA18BIT");
}
}
}
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