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-rw-r--r--libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/SEED.java183
1 files changed, 183 insertions, 0 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/SEED.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/SEED.java
new file mode 100644
index 000000000..494f039ee
--- /dev/null
+++ b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/SEED.java
@@ -0,0 +1,183 @@
+package org.spongycastle.jcajce.provider.symmetric;
+
+import java.security.AlgorithmParameters;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.SecureRandom;
+import java.security.spec.AlgorithmParameterSpec;
+
+import javax.crypto.spec.IvParameterSpec;
+
+import org.spongycastle.asn1.kisa.KISAObjectIdentifiers;
+import org.spongycastle.crypto.BlockCipher;
+import org.spongycastle.crypto.CipherKeyGenerator;
+import org.spongycastle.crypto.engines.SEEDEngine;
+import org.spongycastle.crypto.engines.SEEDWrapEngine;
+import org.spongycastle.crypto.generators.Poly1305KeyGenerator;
+import org.spongycastle.crypto.macs.GMac;
+import org.spongycastle.crypto.modes.CBCBlockCipher;
+import org.spongycastle.crypto.modes.GCMBlockCipher;
+import org.spongycastle.jcajce.provider.config.ConfigurableProvider;
+import org.spongycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameterGenerator;
+import org.spongycastle.jcajce.provider.symmetric.util.BaseBlockCipher;
+import org.spongycastle.jcajce.provider.symmetric.util.BaseKeyGenerator;
+import org.spongycastle.jcajce.provider.symmetric.util.BaseMac;
+import org.spongycastle.jcajce.provider.symmetric.util.BaseWrapCipher;
+import org.spongycastle.jcajce.provider.symmetric.util.BlockCipherProvider;
+import org.spongycastle.jcajce.provider.symmetric.util.IvAlgorithmParameters;
+import org.spongycastle.jce.provider.BouncyCastleProvider;
+
+public final class SEED
+{
+ private SEED()
+ {
+ }
+
+ public static class ECB
+ extends BaseBlockCipher
+ {
+ public ECB()
+ {
+ super(new BlockCipherProvider()
+ {
+ public BlockCipher get()
+ {
+ return new SEEDEngine();
+ }
+ });
+ }
+ }
+
+ public static class CBC
+ extends BaseBlockCipher
+ {
+ public CBC()
+ {
+ super(new CBCBlockCipher(new SEEDEngine()), 128);
+ }
+ }
+
+ public static class Wrap
+ extends BaseWrapCipher
+ {
+ public Wrap()
+ {
+ super(new SEEDWrapEngine());
+ }
+ }
+
+ public static class KeyGen
+ extends BaseKeyGenerator
+ {
+ public KeyGen()
+ {
+ super("SEED", 128, new CipherKeyGenerator());
+ }
+ }
+
+ public static class GMAC
+ extends BaseMac
+ {
+ public GMAC()
+ {
+ super(new GMac(new GCMBlockCipher(new SEEDEngine())));
+ }
+ }
+
+ public static class Poly1305
+ extends BaseMac
+ {
+ public Poly1305()
+ {
+ super(new org.spongycastle.crypto.macs.Poly1305(new SEEDEngine()));
+ }
+ }
+
+ public static class Poly1305KeyGen
+ extends BaseKeyGenerator
+ {
+ public Poly1305KeyGen()
+ {
+ super("Poly1305-SEED", 256, new Poly1305KeyGenerator());
+ }
+ }
+
+ public static class AlgParamGen
+ extends BaseAlgorithmParameterGenerator
+ {
+ protected void engineInit(
+ AlgorithmParameterSpec genParamSpec,
+ SecureRandom random)
+ throws InvalidAlgorithmParameterException
+ {
+ throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for SEED parameter generation.");
+ }
+
+ protected AlgorithmParameters engineGenerateParameters()
+ {
+ byte[] iv = new byte[16];
+
+ if (random == null)
+ {
+ random = new SecureRandom();
+ }
+
+ random.nextBytes(iv);
+
+ AlgorithmParameters params;
+
+ try
+ {
+ params = AlgorithmParameters.getInstance("SEED", BouncyCastleProvider.PROVIDER_NAME);
+ params.init(new IvParameterSpec(iv));
+ }
+ catch (Exception e)
+ {
+ throw new RuntimeException(e.getMessage());
+ }
+
+ return params;
+ }
+ }
+
+ public static class AlgParams
+ extends IvAlgorithmParameters
+ {
+ protected String engineToString()
+ {
+ return "SEED IV";
+ }
+ }
+
+ public static class Mappings
+ extends SymmetricAlgorithmProvider
+ {
+ private static final String PREFIX = SEED.class.getName();
+
+ public Mappings()
+ {
+ }
+
+ public void configure(ConfigurableProvider provider)
+ {
+
+ provider.addAlgorithm("AlgorithmParameters.SEED", PREFIX + "$AlgParams");
+ provider.addAlgorithm("Alg.Alias.AlgorithmParameters." + KISAObjectIdentifiers.id_seedCBC, "SEED");
+
+ provider.addAlgorithm("AlgorithmParameterGenerator.SEED", PREFIX + "$AlgParamGen");
+ provider.addAlgorithm("Alg.Alias.AlgorithmParameterGenerator." + KISAObjectIdentifiers.id_seedCBC, "SEED");
+
+ provider.addAlgorithm("Cipher.SEED", PREFIX + "$ECB");
+ provider.addAlgorithm("Cipher." + KISAObjectIdentifiers.id_seedCBC, PREFIX + "$CBC");
+
+ provider.addAlgorithm("Cipher.SEEDWRAP", PREFIX + "$Wrap");
+ provider.addAlgorithm("Alg.Alias.Cipher." + KISAObjectIdentifiers.id_npki_app_cmsSeed_wrap, "SEEDWRAP");
+
+ provider.addAlgorithm("KeyGenerator.SEED", PREFIX + "$KeyGen");
+ provider.addAlgorithm("KeyGenerator." + KISAObjectIdentifiers.id_seedCBC, PREFIX + "$KeyGen");
+ provider.addAlgorithm("KeyGenerator." + KISAObjectIdentifiers.id_npki_app_cmsSeed_wrap, PREFIX + "$KeyGen");
+
+ addGMacAlgorithm(provider, "SEED", PREFIX + "$GMAC", PREFIX + "$KeyGen");
+ addPoly1305Algorithm(provider, "SEED", PREFIX + "$Poly1305", PREFIX + "$Poly1305KeyGen");
+ }
+ }
+}