use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project robovm by robovm.
the class BCECPrivateKey method getEncoded.
/**
* Return a PKCS8 representation of the key. The sequence returned
* represents a full PrivateKeyInfo object.
*
* @return a PKCS8 representation of the key.
*/
public byte[] getEncoded() {
X962Parameters params;
if (ecSpec instanceof ECNamedCurveSpec) {
DERObjectIdentifier curveOid = ECUtil.getNamedCurveOid(((ECNamedCurveSpec) ecSpec).getName());
if (// guess it's the OID
curveOid == null) {
curveOid = new DERObjectIdentifier(((ECNamedCurveSpec) ecSpec).getName());
}
params = new X962Parameters(curveOid);
} else if (ecSpec == null) {
params = new X962Parameters(DERNull.INSTANCE);
} else {
ECCurve curve = EC5Util.convertCurve(ecSpec.getCurve());
X9ECParameters ecP = new X9ECParameters(curve, EC5Util.convertPoint(curve, ecSpec.getGenerator(), withCompression), ecSpec.getOrder(), BigInteger.valueOf(ecSpec.getCofactor()), ecSpec.getCurve().getSeed());
params = new X962Parameters(ecP);
}
PrivateKeyInfo info;
org.bouncycastle.asn1.sec.ECPrivateKey keyStructure;
if (publicKey != null) {
keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), publicKey, params);
} else {
keyStructure = new org.bouncycastle.asn1.sec.ECPrivateKey(this.getS(), params);
}
try {
// BEGIN android-removed
// if (algorithm.equals("ECGOST3410"))
// {
// info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.toASN1Primitive()), keyStructure.toASN1Primitive());
// }
// else
// END android-removed
{
info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.toASN1Primitive()), keyStructure.toASN1Primitive());
}
return info.getEncoded(ASN1Encoding.DER);
} catch (IOException e) {
return null;
}
}
use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project robovm by robovm.
the class KeyFactory method engineGeneratePrivate.
protected PrivateKey engineGeneratePrivate(KeySpec keySpec) throws InvalidKeySpecException {
if (keySpec instanceof PKCS8EncodedKeySpec) {
try {
PrivateKeyInfo info = PrivateKeyInfo.getInstance(((PKCS8EncodedKeySpec) keySpec).getEncoded());
PrivateKey key = BouncyCastleProvider.getPrivateKey(info);
if (key != null) {
return key;
}
throw new InvalidKeySpecException("no factory found for OID: " + info.getPrivateKeyAlgorithm().getAlgorithm());
} catch (Exception e) {
throw new InvalidKeySpecException(e.toString());
}
}
throw new InvalidKeySpecException("Unknown KeySpec type: " + keySpec.getClass().getName());
}
use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project helios by spotify.
the class CertificateAndPrivateKey method from.
public static CertificateAndPrivateKey from(final Path certPath, final Path keyPath) throws IOException, GeneralSecurityException {
final CertificateFactory cf = CertificateFactory.getInstance("X.509");
final Certificate certificate;
try (final InputStream is = Files.newInputStream(certPath)) {
certificate = cf.generateCertificate(is);
}
final Object parsedPem;
try (final BufferedReader br = Files.newBufferedReader(keyPath, Charset.defaultCharset())) {
parsedPem = new PEMParser(br).readObject();
}
final PrivateKeyInfo keyInfo;
if (parsedPem instanceof PEMKeyPair) {
keyInfo = ((PEMKeyPair) parsedPem).getPrivateKeyInfo();
} else if (parsedPem instanceof PrivateKeyInfo) {
keyInfo = (PrivateKeyInfo) parsedPem;
} else {
throw new UnsupportedOperationException("Unable to parse x509 certificate.");
}
final PKCS8EncodedKeySpec spec = new PKCS8EncodedKeySpec(keyInfo.getEncoded());
final KeyFactory kf = KeyFactory.getInstance("RSA");
return new CertificateAndPrivateKey(certificate, kf.generatePrivate(spec));
}
use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project XobotOS by xamarin.
the class MiscPEMGenerator method createPemObject.
private PemObject createPemObject(Object o) throws IOException {
String type;
byte[] encoding;
if (o instanceof PemObject) {
return (PemObject) o;
}
if (o instanceof PemObjectGenerator) {
return ((PemObjectGenerator) o).generate();
}
if (o instanceof X509Certificate) {
type = "CERTIFICATE";
try {
encoding = ((X509Certificate) o).getEncoded();
} catch (CertificateEncodingException e) {
throw new PemGenerationException("Cannot encode object: " + e.toString());
}
} else if (o instanceof X509CRL) {
type = "X509 CRL";
try {
encoding = ((X509CRL) o).getEncoded();
} catch (CRLException e) {
throw new PemGenerationException("Cannot encode object: " + e.toString());
}
} else if (o instanceof KeyPair) {
return createPemObject(((KeyPair) o).getPrivate());
} else if (o instanceof PrivateKey) {
PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) ASN1Object.fromByteArray(((Key) o).getEncoded()));
if (o instanceof RSAPrivateKey) {
type = "RSA PRIVATE KEY";
encoding = info.getPrivateKey().getEncoded();
} else if (o instanceof DSAPrivateKey) {
type = "DSA PRIVATE KEY";
DSAParameter p = DSAParameter.getInstance(info.getAlgorithmId().getParameters());
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(new DERInteger(0));
v.add(new DERInteger(p.getP()));
v.add(new DERInteger(p.getQ()));
v.add(new DERInteger(p.getG()));
BigInteger x = ((DSAPrivateKey) o).getX();
BigInteger y = p.getG().modPow(x, p.getP());
v.add(new DERInteger(y));
v.add(new DERInteger(x));
encoding = new DERSequence(v).getEncoded();
} else if (((PrivateKey) o).getAlgorithm().equals("ECDSA")) {
type = "EC PRIVATE KEY";
encoding = info.getPrivateKey().getEncoded();
} else {
throw new IOException("Cannot identify private key");
}
} else if (o instanceof PublicKey) {
type = "PUBLIC KEY";
encoding = ((PublicKey) o).getEncoded();
} else if (o instanceof X509AttributeCertificate) {
type = "ATTRIBUTE CERTIFICATE";
encoding = ((X509V2AttributeCertificate) o).getEncoded();
} else if (o instanceof PKCS10CertificationRequest) {
type = "CERTIFICATE REQUEST";
encoding = ((PKCS10CertificationRequest) o).getEncoded();
} else if (o instanceof ContentInfo) {
type = "PKCS7";
encoding = ((ContentInfo) o).getEncoded();
} else {
throw new PemGenerationException("unknown object passed - can't encode.");
}
return new PemObject(type, encoding);
}
use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project XobotOS by xamarin.
the class MiscPEMGenerator method createPemObject.
private PemObject createPemObject(Object obj, String algorithm, char[] password, SecureRandom random) throws IOException {
if (obj instanceof KeyPair) {
return createPemObject(((KeyPair) obj).getPrivate(), algorithm, password, random);
}
String type = null;
byte[] keyData = null;
if (obj instanceof RSAPrivateCrtKey) {
type = "RSA PRIVATE KEY";
RSAPrivateCrtKey k = (RSAPrivateCrtKey) obj;
RSAPrivateKeyStructure keyStruct = new RSAPrivateKeyStructure(k.getModulus(), k.getPublicExponent(), k.getPrivateExponent(), k.getPrimeP(), k.getPrimeQ(), k.getPrimeExponentP(), k.getPrimeExponentQ(), k.getCrtCoefficient());
// convert to bytearray
keyData = keyStruct.getEncoded();
} else if (obj instanceof DSAPrivateKey) {
type = "DSA PRIVATE KEY";
DSAPrivateKey k = (DSAPrivateKey) obj;
DSAParams p = k.getParams();
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(new DERInteger(0));
v.add(new DERInteger(p.getP()));
v.add(new DERInteger(p.getQ()));
v.add(new DERInteger(p.getG()));
BigInteger x = k.getX();
BigInteger y = p.getG().modPow(x, p.getP());
v.add(new DERInteger(y));
v.add(new DERInteger(x));
keyData = new DERSequence(v).getEncoded();
} else if (obj instanceof PrivateKey && "ECDSA".equals(((PrivateKey) obj).getAlgorithm())) {
type = "EC PRIVATE KEY";
PrivateKeyInfo privInfo = PrivateKeyInfo.getInstance(ASN1Object.fromByteArray(((PrivateKey) obj).getEncoded()));
keyData = privInfo.getPrivateKey().getEncoded();
}
if (type == null || keyData == null) {
// TODO Support other types?
throw new IllegalArgumentException("Object type not supported: " + obj.getClass().getName());
}
String dekAlgName = Strings.toUpperCase(algorithm);
// Note: For backward compatibility
if (dekAlgName.equals("DESEDE")) {
dekAlgName = "DES-EDE3-CBC";
}
int ivLength = dekAlgName.startsWith("AES-") ? 16 : 8;
byte[] iv = new byte[ivLength];
random.nextBytes(iv);
byte[] encData = PEMUtilities.crypt(true, provider, keyData, password, dekAlgName, iv);
List headers = new ArrayList(2);
headers.add(new PemHeader("Proc-Type", "4,ENCRYPTED"));
headers.add(new PemHeader("DEK-Info", dekAlgName + "," + getHexEncoded(iv)));
return new PemObject(type, headers, encData);
}
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