diff options
Diffstat (limited to 'libraries/spongycastle/prov/src/main/jdk1.3/org/spongycastle/jce/provider/JDKAlgorithmParameters.java')
| -rw-r--r-- | libraries/spongycastle/prov/src/main/jdk1.3/org/spongycastle/jce/provider/JDKAlgorithmParameters.java | 643 |
1 files changed, 643 insertions, 0 deletions
diff --git a/libraries/spongycastle/prov/src/main/jdk1.3/org/spongycastle/jce/provider/JDKAlgorithmParameters.java b/libraries/spongycastle/prov/src/main/jdk1.3/org/spongycastle/jce/provider/JDKAlgorithmParameters.java new file mode 100644 index 000000000..cd56e0543 --- /dev/null +++ b/libraries/spongycastle/prov/src/main/jdk1.3/org/spongycastle/jce/provider/JDKAlgorithmParameters.java @@ -0,0 +1,643 @@ +package org.spongycastle.jce.provider; + +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.security.AlgorithmParametersSpi; +import java.security.spec.AlgorithmParameterSpec; +import java.security.spec.InvalidParameterSpecException; + +import javax.crypto.spec.IvParameterSpec; +import javax.crypto.spec.PBEParameterSpec; +import javax.crypto.spec.RC2ParameterSpec; + +import org.spongycastle.asn1.ASN1EncodableVector; +import org.spongycastle.asn1.ASN1InputStream; +import org.spongycastle.asn1.ASN1OctetString; +import org.spongycastle.asn1.ASN1Sequence; +import org.spongycastle.asn1.DERInteger; +import org.spongycastle.asn1.DEROctetString; +import org.spongycastle.asn1.DEROutputStream; +import org.spongycastle.asn1.DERSequence; +import org.spongycastle.asn1.misc.CAST5CBCParameters; +import org.spongycastle.asn1.pkcs.PKCS12PBEParams; +import org.spongycastle.asn1.pkcs.RC2CBCParameter; +import org.spongycastle.jce.spec.IESParameterSpec; + +public abstract class JDKAlgorithmParameters + extends AlgorithmParametersSpi +{ + protected boolean isASN1FormatString(String format) + { + return format == null || format.equals("ASN.1"); + } + + protected AlgorithmParameterSpec engineGetParameterSpec( + Class paramSpec) + throws InvalidParameterSpecException + { + if (paramSpec == null) + { + throw new NullPointerException("argument to getParameterSpec must not be null"); + } + + return localEngineGetParameterSpec(paramSpec); + } + + protected abstract AlgorithmParameterSpec localEngineGetParameterSpec(Class paramSpec) + throws InvalidParameterSpecException; + + public static class IVAlgorithmParameters + extends JDKAlgorithmParameters + { + private byte[] iv; + + protected byte[] engineGetEncoded() + throws IOException + { + return engineGetEncoded("ASN.1"); + } + + protected byte[] engineGetEncoded( + String format) + throws IOException + { + if (this.isASN1FormatString(format)) + { + return new DEROctetString(engineGetEncoded("RAW")).getEncoded(); + } + + if (format.equals("RAW")) + { + byte[] tmp = new byte[iv.length]; + + System.arraycopy(iv, 0, tmp, 0, iv.length); + return tmp; + } + + 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 IV parameters object."); + } + + protected void engineInit( + AlgorithmParameterSpec paramSpec) + throws InvalidParameterSpecException + { + if (!(paramSpec instanceof IvParameterSpec)) + { + throw new InvalidParameterSpecException("IvParameterSpec required to initialise a IV parameters algorithm parameters object"); + } + + this.iv = ((IvParameterSpec)paramSpec).getIV(); + } + + protected void engineInit( + byte[] params) + throws IOException + { + // + // check that we don't have a DER encoded octet string + // + if ((params.length % 8) != 0 + && params[0] == 0x04 && params[1] == params.length - 2) + { + ASN1InputStream aIn = new ASN1InputStream(params); + ASN1OctetString oct = (ASN1OctetString)aIn.readObject(); + + params = oct.getOctets(); + } + + 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); + + try + { + ASN1OctetString oct = (ASN1OctetString)aIn.readObject(); + + engineInit(oct.getOctets()); + } + catch (Exception e) + { + throw new IOException("Exception decoding: " + e); + } + + return; + } + + if (format.equals("RAW")) + { + engineInit(params); + return; + } + + throw new IOException("Unknown parameters format in IV parameters object"); + } + + protected String engineToString() + { + return "IV Parameters"; + } + } + + public static class RC2AlgorithmParameters + extends JDKAlgorithmParameters + { + private short[] table = { + 0xbd, 0x56, 0xea, 0xf2, 0xa2, 0xf1, 0xac, 0x2a, 0xb0, 0x93, 0xd1, 0x9c, 0x1b, 0x33, 0xfd, 0xd0, + 0x30, 0x04, 0xb6, 0xdc, 0x7d, 0xdf, 0x32, 0x4b, 0xf7, 0xcb, 0x45, 0x9b, 0x31, 0xbb, 0x21, 0x5a, + 0x41, 0x9f, 0xe1, 0xd9, 0x4a, 0x4d, 0x9e, 0xda, 0xa0, 0x68, 0x2c, 0xc3, 0x27, 0x5f, 0x80, 0x36, + 0x3e, 0xee, 0xfb, 0x95, 0x1a, 0xfe, 0xce, 0xa8, 0x34, 0xa9, 0x13, 0xf0, 0xa6, 0x3f, 0xd8, 0x0c, + 0x78, 0x24, 0xaf, 0x23, 0x52, 0xc1, 0x67, 0x17, 0xf5, 0x66, 0x90, 0xe7, 0xe8, 0x07, 0xb8, 0x60, + 0x48, 0xe6, 0x1e, 0x53, 0xf3, 0x92, 0xa4, 0x72, 0x8c, 0x08, 0x15, 0x6e, 0x86, 0x00, 0x84, 0xfa, + 0xf4, 0x7f, 0x8a, 0x42, 0x19, 0xf6, 0xdb, 0xcd, 0x14, 0x8d, 0x50, 0x12, 0xba, 0x3c, 0x06, 0x4e, + 0xec, 0xb3, 0x35, 0x11, 0xa1, 0x88, 0x8e, 0x2b, 0x94, 0x99, 0xb7, 0x71, 0x74, 0xd3, 0xe4, 0xbf, + 0x3a, 0xde, 0x96, 0x0e, 0xbc, 0x0a, 0xed, 0x77, 0xfc, 0x37, 0x6b, 0x03, 0x79, 0x89, 0x62, 0xc6, + 0xd7, 0xc0, 0xd2, 0x7c, 0x6a, 0x8b, 0x22, 0xa3, 0x5b, 0x05, 0x5d, 0x02, 0x75, 0xd5, 0x61, 0xe3, + 0x18, 0x8f, 0x55, 0x51, 0xad, 0x1f, 0x0b, 0x5e, 0x85, 0xe5, 0xc2, 0x57, 0x63, 0xca, 0x3d, 0x6c, + 0xb4, 0xc5, 0xcc, 0x70, 0xb2, 0x91, 0x59, 0x0d, 0x47, 0x20, 0xc8, 0x4f, 0x58, 0xe0, 0x01, 0xe2, + 0x16, 0x38, 0xc4, 0x6f, 0x3b, 0x0f, 0x65, 0x46, 0xbe, 0x7e, 0x2d, 0x7b, 0x82, 0xf9, 0x40, 0xb5, + 0x1d, 0x73, 0xf8, 0xeb, 0x26, 0xc7, 0x87, 0x97, 0x25, 0x54, 0xb1, 0x28, 0xaa, 0x98, 0x9d, 0xa5, + 0x64, 0x6d, 0x7a, 0xd4, 0x10, 0x81, 0x44, 0xef, 0x49, 0xd6, 0xae, 0x2e, 0xdd, 0x76, 0x5c, 0x2f, + 0xa7, 0x1c, 0xc9, 0x09, 0x69, 0x9a, 0x83, 0xcf, 0x29, 0x39, 0xb9, 0xe9, 0x4c, 0xff, 0x43, 0xab + }; + + private short[] ekb = { + 0x5d, 0xbe, 0x9b, 0x8b, 0x11, 0x99, 0x6e, 0x4d, 0x59, 0xf3, 0x85, 0xa6, 0x3f, 0xb7, 0x83, 0xc5, + 0xe4, 0x73, 0x6b, 0x3a, 0x68, 0x5a, 0xc0, 0x47, 0xa0, 0x64, 0x34, 0x0c, 0xf1, 0xd0, 0x52, 0xa5, + 0xb9, 0x1e, 0x96, 0x43, 0x41, 0xd8, 0xd4, 0x2c, 0xdb, 0xf8, 0x07, 0x77, 0x2a, 0xca, 0xeb, 0xef, + 0x10, 0x1c, 0x16, 0x0d, 0x38, 0x72, 0x2f, 0x89, 0xc1, 0xf9, 0x80, 0xc4, 0x6d, 0xae, 0x30, 0x3d, + 0xce, 0x20, 0x63, 0xfe, 0xe6, 0x1a, 0xc7, 0xb8, 0x50, 0xe8, 0x24, 0x17, 0xfc, 0x25, 0x6f, 0xbb, + 0x6a, 0xa3, 0x44, 0x53, 0xd9, 0xa2, 0x01, 0xab, 0xbc, 0xb6, 0x1f, 0x98, 0xee, 0x9a, 0xa7, 0x2d, + 0x4f, 0x9e, 0x8e, 0xac, 0xe0, 0xc6, 0x49, 0x46, 0x29, 0xf4, 0x94, 0x8a, 0xaf, 0xe1, 0x5b, 0xc3, + 0xb3, 0x7b, 0x57, 0xd1, 0x7c, 0x9c, 0xed, 0x87, 0x40, 0x8c, 0xe2, 0xcb, 0x93, 0x14, 0xc9, 0x61, + 0x2e, 0xe5, 0xcc, 0xf6, 0x5e, 0xa8, 0x5c, 0xd6, 0x75, 0x8d, 0x62, 0x95, 0x58, 0x69, 0x76, 0xa1, + 0x4a, 0xb5, 0x55, 0x09, 0x78, 0x33, 0x82, 0xd7, 0xdd, 0x79, 0xf5, 0x1b, 0x0b, 0xde, 0x26, 0x21, + 0x28, 0x74, 0x04, 0x97, 0x56, 0xdf, 0x3c, 0xf0, 0x37, 0x39, 0xdc, 0xff, 0x06, 0xa4, 0xea, 0x42, + 0x08, 0xda, 0xb4, 0x71, 0xb0, 0xcf, 0x12, 0x7a, 0x4e, 0xfa, 0x6c, 0x1d, 0x84, 0x00, 0xc8, 0x7f, + 0x91, 0x45, 0xaa, 0x2b, 0xc2, 0xb1, 0x8f, 0xd5, 0xba, 0xf2, 0xad, 0x19, 0xb2, 0x67, 0x36, 0xf7, + 0x0f, 0x0a, 0x92, 0x7d, 0xe3, 0x9d, 0xe9, 0x90, 0x3e, 0x23, 0x27, 0x66, 0x13, 0xec, 0x81, 0x15, + 0xbd, 0x22, 0xbf, 0x9f, 0x7e, 0xa9, 0x51, 0x4b, 0x4c, 0xfb, 0x02, 0xd3, 0x70, 0x86, 0x31, 0xe7, + 0x3b, 0x05, 0x03, 0x54, 0x60, 0x48, 0x65, 0x18, 0xd2, 0xcd, 0x5f, 0x32, 0x88, 0x0e, 0x35, 0xfd + }; + + private byte[] iv; + private int parameterVersion = 58; + + 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)) + { + if (parameterVersion == -1) + { + return new RC2CBCParameter(engineGetEncoded()).getEncoded(); + } + else + { + return new RC2CBCParameter(parameterVersion, engineGetEncoded()).getEncoded(); + } + } + + if (format.equals("RAW")) + { + return engineGetEncoded(); + } + + return null; + } + + protected AlgorithmParameterSpec localEngineGetParameterSpec( + Class paramSpec) + throws InvalidParameterSpecException + { + if (paramSpec == RC2ParameterSpec.class) + { + if (parameterVersion != -1) + { + if (parameterVersion < 256) + { + return new RC2ParameterSpec(ekb[parameterVersion], iv); + } + else + { + return new RC2ParameterSpec(parameterVersion, iv); + } + } + } + + if (paramSpec == IvParameterSpec.class) + { + return new IvParameterSpec(iv); + } + + throw new InvalidParameterSpecException("unknown parameter spec passed to RC2 parameters object."); + } + + protected void engineInit( + AlgorithmParameterSpec paramSpec) + throws InvalidParameterSpecException + { + if (paramSpec instanceof IvParameterSpec) + { + this.iv = ((IvParameterSpec)paramSpec).getIV(); + } + else if (paramSpec instanceof RC2ParameterSpec) + { + int effKeyBits = ((RC2ParameterSpec)paramSpec).getEffectiveKeyBits(); + if (effKeyBits != -1) + { + if (effKeyBits < 256) + { + parameterVersion = table[effKeyBits]; + } + else + { + parameterVersion = effKeyBits; + } + } + + this.iv = ((RC2ParameterSpec)paramSpec).getIV(); + } + else + { + throw new InvalidParameterSpecException("IvParameterSpec or RC2ParameterSpec required to initialise a RC2 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); + RC2CBCParameter p = RC2CBCParameter.getInstance(aIn.readObject()); + + if (p.getRC2ParameterVersion() != null) + { + parameterVersion = p.getRC2ParameterVersion().intValue(); + } + + 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 "RC2 Parameters"; + } + } + + public static class CAST5AlgorithmParameters + extends JDKAlgorithmParameters + { + 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 PKCS12PBE + extends JDKAlgorithmParameters + { + PKCS12PBEParams params; + + protected byte[] engineGetEncoded() + { + ByteArrayOutputStream bOut = new ByteArrayOutputStream(); + DEROutputStream dOut = new DEROutputStream(bOut); + + try + { + dOut.writeObject(params); + } + catch (IOException e) + { + throw new RuntimeException("Oooops! " + e.toString()); + } + + return bOut.toByteArray(); + } + + protected byte[] engineGetEncoded( + String format) + { + if (this.isASN1FormatString(format)) + { + return engineGetEncoded(); + } + + return null; + } + + protected AlgorithmParameterSpec localEngineGetParameterSpec( + Class paramSpec) + throws InvalidParameterSpecException + { + if (paramSpec == PBEParameterSpec.class) + { + return new PBEParameterSpec(params.getIV(), + params.getIterations().intValue()); + } + + throw new InvalidParameterSpecException("unknown parameter spec passed to PKCS12 PBE parameters object."); + } + + protected void engineInit( + AlgorithmParameterSpec paramSpec) + throws InvalidParameterSpecException + { + if (!(paramSpec instanceof PBEParameterSpec)) + { + throw new InvalidParameterSpecException("PBEParameterSpec required to initialise a PKCS12 PBE parameters algorithm parameters object"); + } + + PBEParameterSpec pbeSpec = (PBEParameterSpec)paramSpec; + + this.params = new PKCS12PBEParams(pbeSpec.getSalt(), + pbeSpec.getIterationCount()); + } + + protected void engineInit( + byte[] params) + throws IOException + { + ASN1InputStream aIn = new ASN1InputStream(params); + + this.params = PKCS12PBEParams.getInstance(aIn.readObject()); + } + + protected void engineInit( + byte[] params, + String format) + throws IOException + { + if (this.isASN1FormatString(format)) + { + engineInit(params); + return; + } + + throw new IOException("Unknown parameters format in PKCS12 PBE parameters object"); + } + + protected String engineToString() + { + return "PKCS12 PBE Parameters"; + } + } + + public static class IES + extends JDKAlgorithmParameters + { + IESParameterSpec currentSpec; + + /** + * in the abscence of a standard way of doing it this will do for + * now... + */ + protected byte[] engineGetEncoded() + { + ByteArrayOutputStream bOut = new ByteArrayOutputStream(); + DEROutputStream dOut = new DEROutputStream(bOut); + + try + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + v.add(new DEROctetString(currentSpec.getDerivationV())); + v.add(new DEROctetString(currentSpec.getEncodingV())); + v.add(new DERInteger(currentSpec.getMacKeySize())); + + dOut.writeObject(new DERSequence(v)); + dOut.close(); + } + catch (IOException e) + { + throw new RuntimeException("Error encoding IESParameters"); + } + + return bOut.toByteArray(); + } + + protected byte[] engineGetEncoded( + String format) + { + if (this.isASN1FormatString(format) || format.equalsIgnoreCase("X.509")) + { + return engineGetEncoded(); + } + + return null; + } + + protected AlgorithmParameterSpec localEngineGetParameterSpec( + Class paramSpec) + throws InvalidParameterSpecException + { + if (paramSpec == IESParameterSpec.class) + { + return currentSpec; + } + + throw new InvalidParameterSpecException("unknown parameter spec passed to ElGamal parameters object."); + } + + protected void engineInit( + AlgorithmParameterSpec paramSpec) + throws InvalidParameterSpecException + { + if (!(paramSpec instanceof IESParameterSpec)) + { + throw new InvalidParameterSpecException("IESParameterSpec required to initialise a IES algorithm parameters object"); + } + + this.currentSpec = (IESParameterSpec)paramSpec; + } + + protected void engineInit( + byte[] params) + throws IOException + { + ASN1InputStream aIn = new ASN1InputStream(params); + + try + { + ASN1Sequence s = (ASN1Sequence)aIn.readObject(); + + this.currentSpec = new IESParameterSpec( + ((ASN1OctetString)s.getObjectAt(0)).getOctets(), + ((ASN1OctetString)s.getObjectAt(0)).getOctets(), + ((DERInteger)s.getObjectAt(0)).getValue().intValue()); + } + catch (ClassCastException e) + { + throw new IOException("Not a valid IES Parameter encoding."); + } + catch (ArrayIndexOutOfBoundsException e) + { + throw new IOException("Not a valid IES Parameter encoding."); + } + } + + protected void engineInit( + byte[] params, + String format) + throws IOException + { + if (this.isASN1FormatString(format) || format.equalsIgnoreCase("X.509")) + { + engineInit(params); + } + else + { + throw new IOException("Unknown parameter format " + format); + } + } + + protected String engineToString() + { + return "IES Parameters"; + } + } +} |