use of com.android.org.bouncycastle.asn1.DERInteger in project XobotOS by xamarin.
the class EncryptedData method toASN1Object.
public DERObject toASN1Object() {
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(new DERInteger(0));
v.add(data);
return new BERSequence(v);
}
use of com.android.org.bouncycastle.asn1.DERInteger in project XobotOS by xamarin.
the class JCEECPrivateKey method populateFromPrivKeyInfo.
private void populateFromPrivKeyInfo(PrivateKeyInfo info) {
X962Parameters params = new X962Parameters((DERObject) info.getAlgorithmId().getParameters());
if (params.isNamedCurve()) {
DERObjectIdentifier oid = (DERObjectIdentifier) params.getParameters();
X9ECParameters ecP = ECUtil.getNamedCurveByOid(oid);
// BEGIN android-removed
// if (ecP == null) // GOST Curve
// {
// ECDomainParameters gParam = ECGOST3410NamedCurves.getByOID(oid);
// EllipticCurve ellipticCurve = EC5Util.convertCurve(gParam.getCurve(), gParam.getSeed());
//
// ecSpec = new ECNamedCurveSpec(
// ECGOST3410NamedCurves.getName(oid),
// ellipticCurve,
// new ECPoint(
// gParam.getG().getX().toBigInteger(),
// gParam.getG().getY().toBigInteger()),
// gParam.getN(),
// gParam.getH());
// }
// else
// END android-removed
{
EllipticCurve ellipticCurve = EC5Util.convertCurve(ecP.getCurve(), ecP.getSeed());
ecSpec = new ECNamedCurveSpec(ECUtil.getCurveName(oid), ellipticCurve, new ECPoint(ecP.getG().getX().toBigInteger(), ecP.getG().getY().toBigInteger()), ecP.getN(), ecP.getH());
}
} else if (params.isImplicitlyCA()) {
ecSpec = null;
} else {
X9ECParameters ecP = new X9ECParameters((ASN1Sequence) params.getParameters());
EllipticCurve ellipticCurve = EC5Util.convertCurve(ecP.getCurve(), ecP.getSeed());
this.ecSpec = new ECParameterSpec(ellipticCurve, new ECPoint(ecP.getG().getX().toBigInteger(), ecP.getG().getY().toBigInteger()), ecP.getN(), ecP.getH().intValue());
}
if (info.getPrivateKey() instanceof DERInteger) {
DERInteger derD = (DERInteger) info.getPrivateKey();
this.d = derD.getValue();
} else {
ECPrivateKeyStructure ec = new ECPrivateKeyStructure((ASN1Sequence) info.getPrivateKey());
this.d = ec.getKey();
this.publicKey = ec.getPublicKey();
}
}
use of com.android.org.bouncycastle.asn1.DERInteger in project android_frameworks_base by DirtyUnicorns.
the class AndroidKeyStoreKeyPairGeneratorSpi method generateSelfSignedCertificateWithFakeSignature.
@SuppressWarnings("deprecation")
private X509Certificate generateSelfSignedCertificateWithFakeSignature(PublicKey publicKey) throws IOException, CertificateParsingException {
V3TBSCertificateGenerator tbsGenerator = new V3TBSCertificateGenerator();
ASN1ObjectIdentifier sigAlgOid;
AlgorithmIdentifier sigAlgId;
byte[] signature;
switch(mKeymasterAlgorithm) {
case KeymasterDefs.KM_ALGORITHM_EC:
sigAlgOid = X9ObjectIdentifiers.ecdsa_with_SHA256;
sigAlgId = new AlgorithmIdentifier(sigAlgOid);
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(new DERInteger(0));
v.add(new DERInteger(0));
signature = new DERSequence().getEncoded();
break;
case KeymasterDefs.KM_ALGORITHM_RSA:
sigAlgOid = PKCSObjectIdentifiers.sha256WithRSAEncryption;
sigAlgId = new AlgorithmIdentifier(sigAlgOid, DERNull.INSTANCE);
signature = new byte[1];
break;
default:
throw new ProviderException("Unsupported key algorithm: " + mKeymasterAlgorithm);
}
try (ASN1InputStream publicKeyInfoIn = new ASN1InputStream(publicKey.getEncoded())) {
tbsGenerator.setSubjectPublicKeyInfo(SubjectPublicKeyInfo.getInstance(publicKeyInfoIn.readObject()));
}
tbsGenerator.setSerialNumber(new ASN1Integer(mSpec.getCertificateSerialNumber()));
X509Principal subject = new X509Principal(mSpec.getCertificateSubject().getEncoded());
tbsGenerator.setSubject(subject);
tbsGenerator.setIssuer(subject);
tbsGenerator.setStartDate(new Time(mSpec.getCertificateNotBefore()));
tbsGenerator.setEndDate(new Time(mSpec.getCertificateNotAfter()));
tbsGenerator.setSignature(sigAlgId);
TBSCertificate tbsCertificate = tbsGenerator.generateTBSCertificate();
ASN1EncodableVector result = new ASN1EncodableVector();
result.add(tbsCertificate);
result.add(sigAlgId);
result.add(new DERBitString(signature));
return new X509CertificateObject(Certificate.getInstance(new DERSequence(result)));
}
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