Examples with PrivateKeyInfo org.bouncycastle.asn1.pkcs.PrivateKeyInfo used on opensource projects

Example 21 with PrivateKeyInfo

use of org.bouncycastle.asn1.pkcs.PrivateKeyInfo in project fabric-sdk-java by hyperledger.

the class SampleStore method getPrivateKeyFromBytes.

static PrivateKey getPrivateKeyFromBytes(byte[] data) throws IOException, NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException {
    final Reader pemReader = new StringReader(new String(data));
    final PrivateKeyInfo pemPair;
    try (PEMParser pemParser = new PEMParser(pemReader)) {
        pemPair = (PrivateKeyInfo) pemParser.readObject();
    }
    PrivateKey privateKey = new JcaPEMKeyConverter().setProvider(BouncyCastleProvider.PROVIDER_NAME).getPrivateKey(pemPair);
    return privateKey;
}

Example 22 with PrivateKeyInfo

use of org.bouncycastle.asn1.pkcs.PrivateKeyInfo in project jruby-openssl by jruby.

the class PEMInputOutput method derivePrivateKeyPBES1.

private static PrivateKey derivePrivateKeyPBES1(EncryptedPrivateKeyInfo eIn, AlgorithmIdentifier algId, char[] password) throws GeneralSecurityException, IOException {
    // From BC's PEMReader
    PKCS12PBEParams pkcs12Params = PKCS12PBEParams.getInstance(algId.getParameters());
    PBEKeySpec pbeSpec = new PBEKeySpec(password);
    PBEParameterSpec pbeParams = new PBEParameterSpec(pkcs12Params.getIV(), pkcs12Params.getIterations().intValue());
    String algorithm = ASN1Registry.o2a(algId.getAlgorithm());
    algorithm = (algorithm.split("-"))[0];
    SecretKeyFactory secKeyFactory = SecurityHelper.getSecretKeyFactory(algorithm);
    Cipher cipher = SecurityHelper.getCipher(algorithm);
    cipher.init(Cipher.DECRYPT_MODE, secKeyFactory.generateSecret(pbeSpec), pbeParams);
    PrivateKeyInfo pInfo = PrivateKeyInfo.getInstance(ASN1Primitive.fromByteArray(cipher.doFinal(eIn.getEncryptedData())));
    KeyFactory keyFactory = getKeyFactory(pInfo.getPrivateKeyAlgorithm());
    return keyFactory.generatePrivate(new PKCS8EncodedKeySpec(pInfo.getEncoded()));
}

Example 23 with PrivateKeyInfo

use of org.bouncycastle.asn1.pkcs.PrivateKeyInfo in project jruby-openssl by jruby.

the class PKey method readECPrivateKey.

public static KeyPair readECPrivateKey(final KeyFactory ecFactory, final byte[] input) throws IOException, InvalidKeySpecException {
    try {
        ECPrivateKeyStructure pKey = new ECPrivateKeyStructure((ASN1Sequence) ASN1Primitive.fromByteArray(input));
        AlgorithmIdentifier algId = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, pKey.getParameters());
        PrivateKeyInfo privInfo = new PrivateKeyInfo(algId, pKey.toASN1Primitive());
        SubjectPublicKeyInfo pubInfo = new SubjectPublicKeyInfo(algId, pKey.getPublicKey().getBytes());
        PKCS8EncodedKeySpec privSpec = new PKCS8EncodedKeySpec(privInfo.getEncoded());
        X509EncodedKeySpec pubSpec = new X509EncodedKeySpec(pubInfo.getEncoded());
        // KeyFactory            fact = KeyFactory.getInstance("ECDSA", provider);
        ECPrivateKey privateKey = (ECPrivateKey) ecFactory.generatePrivate(privSpec);
        if (algId.getParameters() instanceof ASN1ObjectIdentifier) {
            privateKey = ECPrivateKeyWithName.wrap(privateKey, (ASN1ObjectIdentifier) algId.getParameters());
        }
        return new KeyPair(ecFactory.generatePublic(pubSpec), privateKey);
    } catch (ClassCastException ex) {
        throw new IOException("wrong ASN.1 object found in stream", ex);
    }
// catch (Exception ex) {
// throw new IOException("problem parsing EC private key: " + ex);
// }
}

Example 24 with PrivateKeyInfo

use of org.bouncycastle.asn1.pkcs.PrivateKeyInfo in project jruby-openssl by jruby.

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 X509CertificateHolder) {
        type = "CERTIFICATE";
        encoding = ((X509CertificateHolder) o).getEncoded();
    } else if (o instanceof X509CRLHolder) {
        type = "X509 CRL";
        encoding = ((X509CRLHolder) o).getEncoded();
    } else if (o instanceof PrivateKeyInfo) {
        PrivateKeyInfo info = (PrivateKeyInfo) o;
        ASN1ObjectIdentifier algOID = info.getPrivateKeyAlgorithm().getAlgorithm();
        if (algOID.equals(PKCSObjectIdentifiers.rsaEncryption)) {
            type = "RSA PRIVATE KEY";
            encoding = info.parsePrivateKey().toASN1Primitive().getEncoded();
        } else if (algOID.equals(dsaOids[0]) || algOID.equals(dsaOids[1])) {
            type = "DSA PRIVATE KEY";
            DSAParameter p = DSAParameter.getInstance(info.getPrivateKeyAlgorithm().getParameters());
            ASN1EncodableVector v = new ASN1EncodableVector();
            v.add(new ASN1Integer(BigInteger.ZERO));
            v.add(new ASN1Integer(p.getP()));
            v.add(new ASN1Integer(p.getQ()));
            v.add(new ASN1Integer(p.getG()));
            BigInteger x = ASN1Integer.getInstance(info.parsePrivateKey()).getValue();
            BigInteger y = p.getG().modPow(x, p.getP());
            v.add(new ASN1Integer(y));
            v.add(new ASN1Integer(x));
            encoding = new DERSequence(v).getEncoded();
        } else if (algOID.equals(X9ObjectIdentifiers.id_ecPublicKey)) {
            type = "EC PRIVATE KEY";
            encoding = info.parsePrivateKey().toASN1Primitive().getEncoded();
        } else {
            throw new IOException("Cannot identify private key");
        }
    } else if (o instanceof SubjectPublicKeyInfo) {
        type = "PUBLIC KEY";
        encoding = ((SubjectPublicKeyInfo) o).getEncoded();
    } else if (o instanceof X509AttributeCertificateHolder) {
        type = "ATTRIBUTE CERTIFICATE";
        encoding = ((X509AttributeCertificateHolder) 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 // 
    if (// 1.47 compatibility
    o instanceof java.security.cert.X509Certificate) {
        type = "CERTIFICATE";
        try {
            encoding = ((java.security.cert.X509Certificate) o).getEncoded();
        } catch (CertificateEncodingException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (// 1.47 compatibility
    o instanceof java.security.cert.X509CRL) {
        type = "X509 CRL";
        try {
            encoding = ((java.security.cert.X509CRL) o).getEncoded();
        } catch (CRLException e) {
            throw new PemGenerationException("Cannot encode object: " + e.toString());
        }
    } else if (// 1.47 compatibility
    o instanceof java.security.KeyPair) {
        return createPemObject(((java.security.KeyPair) o).getPrivate());
    } else if (// 1.47 compatibility
    o instanceof java.security.PrivateKey) {
        PrivateKeyInfo info = new PrivateKeyInfo((ASN1Sequence) ASN1Primitive.fromByteArray(((java.security.Key) o).getEncoded()));
        if (o instanceof java.security.interfaces.RSAPrivateKey) {
            type = "RSA PRIVATE KEY";
            encoding = info.parsePrivateKey().toASN1Primitive().getEncoded();
        } else if (o instanceof java.security.interfaces.DSAPrivateKey) {
            type = "DSA PRIVATE KEY";
            DSAParameter p = DSAParameter.getInstance(info.getPrivateKeyAlgorithm().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 = ((java.security.interfaces.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 (((java.security.PrivateKey) o).getAlgorithm().equals("ECDSA")) {
            type = "EC PRIVATE KEY";
            encoding = info.parsePrivateKey().toASN1Primitive().getEncoded();
        } else {
            throw new IOException("Cannot identify private key");
        }
    } else if (// 1.47 compatibility
    o instanceof java.security.PublicKey) {
        type = "PUBLIC KEY";
        encoding = ((java.security.PublicKey) o).getEncoded();
    } else if (// 1.47 compatibility
    o instanceof X509AttributeCertificate) {
        type = "ATTRIBUTE CERTIFICATE";
        encoding = ((X509AttributeCertificate) o).getEncoded();
    } else // 
    // 
    // 
    {
        throw new PemGenerationException("unknown object passed - can't encode.");
    }
    if (// NEW STUFF (NOT IN OLD)
    encryptor != null) {
        String dekAlgName = Strings.toUpperCase(encryptor.getAlgorithm());
        // Note: For backward compatibility
        if (dekAlgName.equals("DESEDE")) {
            dekAlgName = "DES-EDE3-CBC";
        }
        byte[] iv = encryptor.getIV();
        byte[] encData = encryptor.encrypt(encoding);
        List<PemHeader> headers = new ArrayList<PemHeader>(2);
        headers.add(new PemHeader("Proc-Type", "4,ENCRYPTED"));
        headers.add(new PemHeader("DEK-Info", dekAlgName + "," + getHexEncoded(iv)));
        return new PemObject(type, headers, encData);
    }
    return new PemObject(type, encoding);
}

Example 25 with PrivateKeyInfo

use of org.bouncycastle.asn1.pkcs.PrivateKeyInfo in project BiglyBT by BiglySoftware.

the class JCEECPrivateKey method getEncoded.

/**
 * Return a PKCS8 representation of the key. The sequence returned
 * represents a full PrivateKeyInfo object.
 *
 * @return a PKCS8 representation of the key.
 */
@Override
public byte[] getEncoded() {
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();
    DEROutputStream dOut = new DEROutputStream(bOut);
    X962Parameters params = null;
    if (ecSpec instanceof ECNamedCurveParameterSpec) {
        params = new X962Parameters(X962NamedCurves.getOID(((ECNamedCurveParameterSpec) ecSpec).getName()));
    } else {
        X9ECParameters ecP = new X9ECParameters(ecSpec.getCurve(), ecSpec.getG(), ecSpec.getN(), ecSpec.getH(), ecSpec.getSeed());
        params = new X962Parameters(ecP);
    }
    PrivateKeyInfo info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), new ECPrivateKeyStructure(this.getD()).getDERObject());
    try {
        dOut.writeObject(info);
        dOut.close();
    } catch (IOException e) {
        throw new RuntimeException("Error encoding EC private key");
    }
    return bOut.toByteArray();
}