use of com.github.zhenwei.core.asn1.pkcs.DHParameter in project xrootd4j by dCache.
the class DHSession method fromDER.
/**
* Creates an DHParameterSpec object from the DER-encoded byte sequence
* @param der the DER-encoded byte sequence
* @return the DHParameterSpec object
* @throws IOException if the deserialisation goes wrong
*/
private static DHParameterSpec fromDER(byte[] der) throws IOException {
ByteArrayInputStream inStream = new ByteArrayInputStream(der);
ASN1InputStream derInputStream = new ASN1InputStream(inStream);
DHParameter dhparam = DHParameter.getInstance(derInputStream.readObject());
return new DHParameterSpec(dhparam.getP(), dhparam.getG());
}
use of com.github.zhenwei.core.asn1.pkcs.DHParameter in project XobotOS by xamarin.
the class PrivateKeyFactory method createKey.
/**
* Create a private key parameter from the passed in PKCS8 PrivateKeyInfo object.
*
* @param keyInfo the PrivateKeyInfo object containing the key material
* @return a suitable private key parameter
* @throws IOException on an error decoding the key
*/
public static AsymmetricKeyParameter createKey(PrivateKeyInfo keyInfo) throws IOException {
AlgorithmIdentifier algId = keyInfo.getAlgorithmId();
if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption)) {
RSAPrivateKeyStructure keyStructure = new RSAPrivateKeyStructure((ASN1Sequence) keyInfo.getPrivateKey());
return new RSAPrivateCrtKeyParameters(keyStructure.getModulus(), keyStructure.getPublicExponent(), keyStructure.getPrivateExponent(), keyStructure.getPrime1(), keyStructure.getPrime2(), keyStructure.getExponent1(), keyStructure.getExponent2(), keyStructure.getCoefficient());
} else // else if (algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber))
if (algId.getObjectId().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
DHParameter params = new DHParameter((ASN1Sequence) keyInfo.getAlgorithmId().getParameters());
DERInteger derX = (DERInteger) keyInfo.getPrivateKey();
BigInteger lVal = params.getL();
int l = lVal == null ? 0 : lVal.intValue();
DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
return new DHPrivateKeyParameters(derX.getValue(), dhParams);
} else // END android-removed
if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa)) {
DERInteger derX = (DERInteger) keyInfo.getPrivateKey();
DEREncodable de = keyInfo.getAlgorithmId().getParameters();
DSAParameters parameters = null;
if (de != null) {
DSAParameter params = DSAParameter.getInstance(de.getDERObject());
parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
}
return new DSAPrivateKeyParameters(derX.getValue(), parameters);
} else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_ecPublicKey)) {
X962Parameters params = new X962Parameters((DERObject) keyInfo.getAlgorithmId().getParameters());
ECDomainParameters dParams = null;
if (params.isNamedCurve()) {
DERObjectIdentifier oid = (DERObjectIdentifier) params.getParameters();
X9ECParameters ecP = X962NamedCurves.getByOID(oid);
if (ecP == null) {
ecP = SECNamedCurves.getByOID(oid);
if (ecP == null) {
ecP = NISTNamedCurves.getByOID(oid);
// BEGIN android-removed
// if (ecP == null)
// {
// ecP = TeleTrusTNamedCurves.getByOID(oid);
// }
// END android-removed
}
}
dParams = new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
} else {
X9ECParameters ecP = new X9ECParameters((ASN1Sequence) params.getParameters());
dParams = new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
}
ECPrivateKeyStructure ec = new ECPrivateKeyStructure((ASN1Sequence) keyInfo.getPrivateKey());
return new ECPrivateKeyParameters(ec.getKey(), dParams);
} else {
throw new RuntimeException("algorithm identifier in key not recognised");
}
}
use of com.github.zhenwei.core.asn1.pkcs.DHParameter in project robovm by robovm.
the class PrivateKeyFactory method createKey.
/**
* Create a private key parameter from the passed in PKCS8 PrivateKeyInfo object.
*
* @param keyInfo the PrivateKeyInfo object containing the key material
* @return a suitable private key parameter
* @throws IOException on an error decoding the key
*/
public static AsymmetricKeyParameter createKey(PrivateKeyInfo keyInfo) throws IOException {
AlgorithmIdentifier algId = keyInfo.getPrivateKeyAlgorithm();
if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption)) {
RSAPrivateKey keyStructure = RSAPrivateKey.getInstance(keyInfo.parsePrivateKey());
return new RSAPrivateCrtKeyParameters(keyStructure.getModulus(), keyStructure.getPublicExponent(), keyStructure.getPrivateExponent(), keyStructure.getPrime1(), keyStructure.getPrime2(), keyStructure.getExponent1(), keyStructure.getExponent2(), keyStructure.getCoefficient());
} else // else if (algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber))
if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
DHParameter params = DHParameter.getInstance(algId.getParameters());
ASN1Integer derX = (ASN1Integer) keyInfo.parsePrivateKey();
BigInteger lVal = params.getL();
int l = lVal == null ? 0 : lVal.intValue();
DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
return new DHPrivateKeyParameters(derX.getValue(), dhParams);
} else // END android-removed
if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_dsa)) {
ASN1Integer derX = (ASN1Integer) keyInfo.parsePrivateKey();
ASN1Encodable de = algId.getParameters();
DSAParameters parameters = null;
if (de != null) {
DSAParameter params = DSAParameter.getInstance(de.toASN1Primitive());
parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
}
return new DSAPrivateKeyParameters(derX.getValue(), parameters);
} else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_ecPublicKey)) {
X962Parameters params = new X962Parameters((ASN1Primitive) algId.getParameters());
X9ECParameters x9;
if (params.isNamedCurve()) {
ASN1ObjectIdentifier oid = ASN1ObjectIdentifier.getInstance(params.getParameters());
x9 = X962NamedCurves.getByOID(oid);
if (x9 == null) {
x9 = SECNamedCurves.getByOID(oid);
if (x9 == null) {
x9 = NISTNamedCurves.getByOID(oid);
// BEGIN android-removed
// if (x9 == null)
// {
// x9 = TeleTrusTNamedCurves.getByOID(oid);
// }
// END android-removed
}
}
} else {
x9 = X9ECParameters.getInstance(params.getParameters());
}
ECPrivateKey ec = ECPrivateKey.getInstance(keyInfo.parsePrivateKey());
BigInteger d = ec.getKey();
// TODO We lose any named parameters here
ECDomainParameters dParams = new ECDomainParameters(x9.getCurve(), x9.getG(), x9.getN(), x9.getH(), x9.getSeed());
return new ECPrivateKeyParameters(d, dParams);
} else {
throw new RuntimeException("algorithm identifier in key not recognised");
}
}
use of com.github.zhenwei.core.asn1.pkcs.DHParameter in project robovm by robovm.
the class PublicKeyFactory method createKey.
/**
* Create a public key from the passed in SubjectPublicKeyInfo
*
* @param keyInfo the SubjectPublicKeyInfo containing the key data
* @return the appropriate key parameter
* @throws IOException on an error decoding the key
*/
public static AsymmetricKeyParameter createKey(SubjectPublicKeyInfo keyInfo) throws IOException {
AlgorithmIdentifier algId = keyInfo.getAlgorithm();
if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.rsaEncryption) || algId.getAlgorithm().equals(X509ObjectIdentifiers.id_ea_rsa)) {
RSAPublicKey pubKey = RSAPublicKey.getInstance(keyInfo.parsePublicKey());
return new RSAKeyParameters(false, pubKey.getModulus(), pubKey.getPublicExponent());
} else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.dhpublicnumber)) {
DHPublicKey dhPublicKey = DHPublicKey.getInstance(keyInfo.parsePublicKey());
BigInteger y = dhPublicKey.getY().getValue();
DHDomainParameters dhParams = DHDomainParameters.getInstance(algId.getParameters());
BigInteger p = dhParams.getP().getValue();
BigInteger g = dhParams.getG().getValue();
BigInteger q = dhParams.getQ().getValue();
BigInteger j = null;
if (dhParams.getJ() != null) {
j = dhParams.getJ().getValue();
}
DHValidationParameters validation = null;
DHValidationParms dhValidationParms = dhParams.getValidationParms();
if (dhValidationParms != null) {
byte[] seed = dhValidationParms.getSeed().getBytes();
BigInteger pgenCounter = dhValidationParms.getPgenCounter().getValue();
// TODO Check pgenCounter size?
validation = new DHValidationParameters(seed, pgenCounter.intValue());
}
return new DHPublicKeyParameters(y, new DHParameters(p, g, q, j, validation));
} else if (algId.getAlgorithm().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
DHParameter params = DHParameter.getInstance(algId.getParameters());
ASN1Integer derY = (ASN1Integer) keyInfo.parsePublicKey();
BigInteger lVal = params.getL();
int l = lVal == null ? 0 : lVal.intValue();
DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
return new DHPublicKeyParameters(derY.getValue(), dhParams);
} else // END android-removed
if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_dsa) || algId.getAlgorithm().equals(OIWObjectIdentifiers.dsaWithSHA1)) {
ASN1Integer derY = (ASN1Integer) keyInfo.parsePublicKey();
ASN1Encodable de = algId.getParameters();
DSAParameters parameters = null;
if (de != null) {
DSAParameter params = DSAParameter.getInstance(de.toASN1Primitive());
parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
}
return new DSAPublicKeyParameters(derY.getValue(), parameters);
} else if (algId.getAlgorithm().equals(X9ObjectIdentifiers.id_ecPublicKey)) {
X962Parameters params = new X962Parameters((ASN1Primitive) algId.getParameters());
X9ECParameters x9;
if (params.isNamedCurve()) {
ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) params.getParameters();
x9 = X962NamedCurves.getByOID(oid);
if (x9 == null) {
x9 = SECNamedCurves.getByOID(oid);
if (x9 == null) {
x9 = NISTNamedCurves.getByOID(oid);
// BEGIN android-removed
// if (x9 == null)
// {
// x9 = TeleTrusTNamedCurves.getByOID(oid);
// }
// END android-removed
}
}
} else {
x9 = X9ECParameters.getInstance(params.getParameters());
}
ASN1OctetString key = new DEROctetString(keyInfo.getPublicKeyData().getBytes());
X9ECPoint derQ = new X9ECPoint(x9.getCurve(), key);
// TODO We lose any named parameters here
ECDomainParameters dParams = new ECDomainParameters(x9.getCurve(), x9.getG(), x9.getN(), x9.getH(), x9.getSeed());
return new ECPublicKeyParameters(derQ.getPoint(), dParams);
} else {
throw new RuntimeException("algorithm identifier in key not recognised");
}
}
use of com.github.zhenwei.core.asn1.pkcs.DHParameter in project XobotOS by xamarin.
the class PublicKeyFactory method createKey.
/**
* Create a public key from the passed in SubjectPublicKeyInfo
*
* @param keyInfo the SubjectPublicKeyInfo containing the key data
* @return the appropriate key parameter
* @throws IOException on an error decoding the key
*/
public static AsymmetricKeyParameter createKey(SubjectPublicKeyInfo keyInfo) throws IOException {
AlgorithmIdentifier algId = keyInfo.getAlgorithmId();
if (algId.getObjectId().equals(PKCSObjectIdentifiers.rsaEncryption) || algId.getObjectId().equals(X509ObjectIdentifiers.id_ea_rsa)) {
RSAPublicKeyStructure pubKey = new RSAPublicKeyStructure((ASN1Sequence) keyInfo.getPublicKey());
return new RSAKeyParameters(false, pubKey.getModulus(), pubKey.getPublicExponent());
} else if (algId.getObjectId().equals(X9ObjectIdentifiers.dhpublicnumber)) {
DHPublicKey dhPublicKey = DHPublicKey.getInstance(keyInfo.getPublicKey());
BigInteger y = dhPublicKey.getY().getValue();
DHDomainParameters dhParams = DHDomainParameters.getInstance(keyInfo.getAlgorithmId().getParameters());
BigInteger p = dhParams.getP().getValue();
BigInteger g = dhParams.getG().getValue();
BigInteger q = dhParams.getQ().getValue();
BigInteger j = null;
if (dhParams.getJ() != null) {
j = dhParams.getJ().getValue();
}
DHValidationParameters validation = null;
DHValidationParms dhValidationParms = dhParams.getValidationParms();
if (dhValidationParms != null) {
byte[] seed = dhValidationParms.getSeed().getBytes();
BigInteger pgenCounter = dhValidationParms.getPgenCounter().getValue();
// TODO Check pgenCounter size?
validation = new DHValidationParameters(seed, pgenCounter.intValue());
}
return new DHPublicKeyParameters(y, new DHParameters(p, g, q, j, validation));
} else if (algId.getObjectId().equals(PKCSObjectIdentifiers.dhKeyAgreement)) {
DHParameter params = new DHParameter((ASN1Sequence) keyInfo.getAlgorithmId().getParameters());
DERInteger derY = (DERInteger) keyInfo.getPublicKey();
BigInteger lVal = params.getL();
int l = lVal == null ? 0 : lVal.intValue();
DHParameters dhParams = new DHParameters(params.getP(), params.getG(), null, l);
return new DHPublicKeyParameters(derY.getValue(), dhParams);
} else // END android-removed
if (algId.getObjectId().equals(X9ObjectIdentifiers.id_dsa) || algId.getObjectId().equals(OIWObjectIdentifiers.dsaWithSHA1)) {
DERInteger derY = (DERInteger) keyInfo.getPublicKey();
DEREncodable de = keyInfo.getAlgorithmId().getParameters();
DSAParameters parameters = null;
if (de != null) {
DSAParameter params = DSAParameter.getInstance(de.getDERObject());
parameters = new DSAParameters(params.getP(), params.getQ(), params.getG());
}
return new DSAPublicKeyParameters(derY.getValue(), parameters);
} else if (algId.getObjectId().equals(X9ObjectIdentifiers.id_ecPublicKey)) {
X962Parameters params = new X962Parameters((DERObject) keyInfo.getAlgorithmId().getParameters());
ECDomainParameters dParams = null;
if (params.isNamedCurve()) {
DERObjectIdentifier oid = (DERObjectIdentifier) params.getParameters();
X9ECParameters ecP = X962NamedCurves.getByOID(oid);
if (ecP == null) {
ecP = SECNamedCurves.getByOID(oid);
if (ecP == null) {
ecP = NISTNamedCurves.getByOID(oid);
// BEGIN android-removed
// if (ecP == null)
// {
// ecP = TeleTrusTNamedCurves.getByOID(oid);
// }
// END android-removed
}
}
dParams = new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
} else {
X9ECParameters ecP = new X9ECParameters((ASN1Sequence) params.getParameters());
dParams = new ECDomainParameters(ecP.getCurve(), ecP.getG(), ecP.getN(), ecP.getH(), ecP.getSeed());
}
DERBitString bits = keyInfo.getPublicKeyData();
byte[] data = bits.getBytes();
ASN1OctetString key = new DEROctetString(data);
X9ECPoint derQ = new X9ECPoint(dParams.getCurve(), key);
return new ECPublicKeyParameters(derQ.getPoint(), dParams);
} else {
throw new RuntimeException("algorithm identifier in key not recognised");
}
}
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