14c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrompackage org.bouncycastle.jcajce.provider.digest; 24c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 34c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstromimport org.bouncycastle.asn1.nist.NISTObjectIdentifiers; 44c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstromimport org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; 54c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstromimport org.bouncycastle.crypto.CipherKeyGenerator; 64c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstromimport org.bouncycastle.crypto.digests.SHA256Digest; 74c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstromimport org.bouncycastle.crypto.macs.HMac; 84c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstromimport org.bouncycastle.jcajce.provider.config.ConfigurableProvider; 94c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstromimport org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator; 104c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstromimport org.bouncycastle.jce.provider.JCEMac; 114c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 124c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrompublic class SHA256 134c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom{ 144c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom static public class Digest 154c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom extends BCMessageDigest 164c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom implements Cloneable 174c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 184c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom public Digest() 194c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 204c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom super(new SHA256Digest()); 214c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 224c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 234c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom public Object clone() 244c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom throws CloneNotSupportedException 254c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 264c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom Digest d = (Digest)super.clone(); 274c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom d.digest = new SHA256Digest((SHA256Digest)digest); 284c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 294c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom return d; 304c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 314c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 324c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 334c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom public static class HashMac 344c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom extends JCEMac 354c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 364c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom public HashMac() 374c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 384c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom super(new HMac(new SHA256Digest())); 394c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 404c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 414c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 424c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom /** 434c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom * HMACSHA256 444c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom */ 454c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom public static class KeyGenerator 464c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom extends BaseKeyGenerator 474c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 484c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom public KeyGenerator() 494c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 504c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom super("HMACSHA256", 256, new CipherKeyGenerator()); 514c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 524c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 534c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 544c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom public static class Mappings 554c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom extends DigestAlgorithmProvider 564c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 574c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom private static final String PREFIX = SHA256.class.getName(); 584c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 594c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom public Mappings() 604c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 614c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 624c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 634c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom public void configure(ConfigurableProvider provider) 644c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom { 654c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom provider.addAlgorithm("MessageDigest.SHA-256", PREFIX + "$Digest"); 664c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom provider.addAlgorithm("Alg.Alias.MessageDigest.SHA256", "SHA-256"); 674c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom provider.addAlgorithm("Alg.Alias.MessageDigest." + NISTObjectIdentifiers.id_sha256, "SHA-256"); 684c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom 694c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom addHMACAlgorithm(provider, "SHA256", PREFIX + "$HashMac", PREFIX + "$KeyGenerator"); 704c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom addHMACAlias(provider, "SHA256", PKCSObjectIdentifiers.id_hmacWithSHA256); 714c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 724c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom } 734c111300c39cb2e27f07fc2ae3b00e23ed4443b2Brian Carlstrom} 74