diff options
Diffstat (limited to 'libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/CAST5.java')
| -rw-r--r-- | libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/CAST5.java | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/CAST5.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/CAST5.java deleted file mode 100644 index 9de0707ee..000000000 --- a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/symmetric/CAST5.java +++ /dev/null @@ -1,221 +0,0 @@ -package org.spongycastle.jcajce.provider.symmetric; - -import java.io.IOException; -import java.security.AlgorithmParameters; -import java.security.InvalidAlgorithmParameterException; -import java.security.SecureRandom; -import java.security.spec.AlgorithmParameterSpec; -import java.security.spec.InvalidParameterSpecException; - -import javax.crypto.spec.IvParameterSpec; - -import org.spongycastle.asn1.ASN1InputStream; -import org.spongycastle.asn1.misc.CAST5CBCParameters; -import org.spongycastle.crypto.CipherKeyGenerator; -import org.spongycastle.crypto.engines.CAST5Engine; -import org.spongycastle.crypto.modes.CBCBlockCipher; -import org.spongycastle.jcajce.provider.config.ConfigurableProvider; -import org.spongycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameterGenerator; -import org.spongycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameters; -import org.spongycastle.jcajce.provider.symmetric.util.BaseBlockCipher; -import org.spongycastle.jcajce.provider.symmetric.util.BaseKeyGenerator; -import org.spongycastle.jcajce.provider.util.AlgorithmProvider; -import org.spongycastle.jce.provider.BouncyCastleProvider; - -public final class CAST5 -{ - private CAST5() - { - } - - public static class ECB - extends BaseBlockCipher - { - public ECB() - { - super(new CAST5Engine()); - } - } - - public static class CBC - extends BaseBlockCipher - { - public CBC() - { - super(new CBCBlockCipher(new CAST5Engine()), 64); - } - } - - public static class KeyGen - extends BaseKeyGenerator - { - public KeyGen() - { - super("CAST5", 128, new CipherKeyGenerator()); - } - } - - public static class AlgParamGen - extends BaseAlgorithmParameterGenerator - { - protected void engineInit( - AlgorithmParameterSpec genParamSpec, - SecureRandom random) - throws InvalidAlgorithmParameterException - { - throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for CAST5 parameter generation."); - } - - protected AlgorithmParameters engineGenerateParameters() - { - byte[] iv = new byte[8]; - - if (random == null) - { - random = new SecureRandom(); - } - - random.nextBytes(iv); - - AlgorithmParameters params; - - try - { - params = AlgorithmParameters.getInstance("CAST5", BouncyCastleProvider.PROVIDER_NAME); - params.init(new IvParameterSpec(iv)); - } - catch (Exception e) - { - throw new RuntimeException(e.getMessage()); - } - - return params; - } - } - - public static class AlgParams - extends BaseAlgorithmParameters - { - private byte[] iv; - private int keyLength = 128; - - protected byte[] engineGetEncoded() - { - byte[] tmp = new byte[iv.length]; - - System.arraycopy(iv, 0, tmp, 0, iv.length); - return tmp; - } - - protected byte[] engineGetEncoded( - String format) - throws IOException - { - if (this.isASN1FormatString(format)) - { - return new CAST5CBCParameters(engineGetEncoded(), keyLength).getEncoded(); - } - - if (format.equals("RAW")) - { - return engineGetEncoded(); - } - - - return null; - } - - protected AlgorithmParameterSpec localEngineGetParameterSpec( - Class paramSpec) - throws InvalidParameterSpecException - { - if (paramSpec == IvParameterSpec.class) - { - return new IvParameterSpec(iv); - } - - throw new InvalidParameterSpecException("unknown parameter spec passed to CAST5 parameters object."); - } - - protected void engineInit( - AlgorithmParameterSpec paramSpec) - throws InvalidParameterSpecException - { - if (paramSpec instanceof IvParameterSpec) - { - this.iv = ((IvParameterSpec)paramSpec).getIV(); - } - else - { - throw new InvalidParameterSpecException("IvParameterSpec required to initialise a CAST5 parameters algorithm parameters object"); - } - } - - protected void engineInit( - byte[] params) - throws IOException - { - this.iv = new byte[params.length]; - - System.arraycopy(params, 0, iv, 0, iv.length); - } - - protected void engineInit( - byte[] params, - String format) - throws IOException - { - if (this.isASN1FormatString(format)) - { - ASN1InputStream aIn = new ASN1InputStream(params); - CAST5CBCParameters p = CAST5CBCParameters.getInstance(aIn.readObject()); - - keyLength = p.getKeyLength(); - - iv = p.getIV(); - - return; - } - - if (format.equals("RAW")) - { - engineInit(params); - return; - } - - throw new IOException("Unknown parameters format in IV parameters object"); - } - - protected String engineToString() - { - return "CAST5 Parameters"; - } - } - - public static class Mappings - extends AlgorithmProvider - { - private static final String PREFIX = CAST5.class.getName(); - - public Mappings() - { - } - - public void configure(ConfigurableProvider provider) - { - - provider.addAlgorithm("AlgorithmParameters.CAST5", PREFIX + "$AlgParams"); - provider.addAlgorithm("Alg.Alias.AlgorithmParameters.1.2.840.113533.7.66.10", "CAST5"); - - provider.addAlgorithm("AlgorithmParameterGenerator.CAST5", PREFIX + "$AlgParamGen"); - provider.addAlgorithm("Alg.Alias.AlgorithmParameterGenerator.1.2.840.113533.7.66.10", "CAST5"); - - provider.addAlgorithm("Cipher.CAST5", PREFIX + "$ECB"); - provider.addAlgorithm("Cipher.1.2.840.113533.7.66.10", PREFIX + "$CBC"); - - provider.addAlgorithm("KeyGenerator.CAST5", PREFIX + "$KeyGen"); - provider.addAlgorithm("Alg.Alias.KeyGenerator.1.2.840.113533.7.66.10", "CAST5"); - - } - } -} |