| package org.bouncycastle.jcajce.provider.digest; |
| |
| import org.bouncycastle.asn1.nist.NISTObjectIdentifiers; |
| import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; |
| import org.bouncycastle.crypto.CipherKeyGenerator; |
| import org.bouncycastle.crypto.digests.SHA256Digest; |
| import org.bouncycastle.crypto.macs.HMac; |
| import org.bouncycastle.jcajce.provider.config.ConfigurableProvider; |
| import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator; |
| import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac; |
| import org.bouncycastle.jcajce.provider.symmetric.util.PBESecretKeyFactory; |
| |
| public class SHA256 |
| { |
| private SHA256() |
| { |
| |
| } |
| |
| static public class Digest |
| extends BCMessageDigest |
| implements Cloneable |
| { |
| public Digest() |
| { |
| super(new SHA256Digest()); |
| } |
| |
| public Object clone() |
| throws CloneNotSupportedException |
| { |
| Digest d = (Digest)super.clone(); |
| d.digest = new SHA256Digest((SHA256Digest)digest); |
| |
| return d; |
| } |
| } |
| |
| public static class HashMac |
| extends BaseMac |
| { |
| public HashMac() |
| { |
| super(new HMac(new SHA256Digest())); |
| } |
| } |
| |
| /** |
| * PBEWithHmacSHA |
| */ |
| public static class PBEWithMacKeyFactory |
| extends PBESecretKeyFactory |
| { |
| public PBEWithMacKeyFactory() |
| { |
| super("PBEwithHmacSHA256", null, false, PKCS12, SHA256, 256, 0); |
| } |
| } |
| |
| /** |
| * HMACSHA256 |
| */ |
| public static class KeyGenerator |
| extends BaseKeyGenerator |
| { |
| public KeyGenerator() |
| { |
| super("HMACSHA256", 256, new CipherKeyGenerator()); |
| } |
| } |
| |
| public static class Mappings |
| extends DigestAlgorithmProvider |
| { |
| private static final String PREFIX = SHA256.class.getName(); |
| |
| public Mappings() |
| { |
| } |
| |
| public void configure(ConfigurableProvider provider) |
| { |
| provider.addAlgorithm("MessageDigest.SHA-256", PREFIX + "$Digest"); |
| provider.addAlgorithm("Alg.Alias.MessageDigest.SHA256", "SHA-256"); |
| provider.addAlgorithm("Alg.Alias.MessageDigest." + NISTObjectIdentifiers.id_sha256, "SHA-256"); |
| |
| provider.addAlgorithm("SecretKeyFactory.PBEWITHHMACSHA256", PREFIX + "$PBEWithMacKeyFactory"); |
| provider.addAlgorithm("Alg.Alias.SecretKeyFactory.PBEWITHHMACSHA-256", "PBEWITHHMACSHA256"); |
| provider.addAlgorithm("Alg.Alias.SecretKeyFactory." + NISTObjectIdentifiers.id_sha256, "PBEWITHHMACSHA256"); |
| |
| provider.addAlgorithm("Mac.PBEWITHHMACSHA256", PREFIX + "$HashMac"); |
| |
| addHMACAlgorithm(provider, "SHA256", PREFIX + "$HashMac", PREFIX + "$KeyGenerator"); |
| addHMACAlias(provider, "SHA256", PKCSObjectIdentifiers.id_hmacWithSHA256); |
| addHMACAlias(provider, "SHA256", NISTObjectIdentifiers.id_sha256); |
| } |
| } |
| } |