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

Example 31 with PrivateKeyInfo

use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project athenz by yahoo.

the class Crypto method loadPrivateKey.

public static PrivateKey loadPrivateKey(Reader reader, String pwd) throws CryptoException {
    try (PEMParser pemReader = new PEMParser(reader)) {
        PrivateKey privKey = null;
        X9ECParameters ecParam = null;
        Object pemObj = pemReader.readObject();
        if (pemObj instanceof ASN1ObjectIdentifier) {
            // make sure this is EC Parameter we're handling. In which case
            // we'll store it and read the next object which should be our
            // EC Private Key
            ASN1ObjectIdentifier ecOID = (ASN1ObjectIdentifier) pemObj;
            ecParam = ECNamedCurveTable.getByOID(ecOID);
            // /CLOVER:OFF
            if (ecParam == null) {
                throw new PEMException("Unable to find EC Parameter for the given curve oid: " + ((ASN1ObjectIdentifier) pemObj).getId());
            }
            // /CLOVER:ON
            pemObj = pemReader.readObject();
        } else if (pemObj instanceof X9ECParameters) {
            ecParam = (X9ECParameters) pemObj;
            pemObj = pemReader.readObject();
        }
        if (pemObj instanceof PEMKeyPair) {
            PrivateKeyInfo pKeyInfo = ((PEMKeyPair) pemObj).getPrivateKeyInfo();
            JcaPEMKeyConverter pemConverter = new JcaPEMKeyConverter();
            privKey = pemConverter.getPrivateKey(pKeyInfo);
        // /CLOVER:OFF
        } else if (pemObj instanceof PKCS8EncryptedPrivateKeyInfo) {
            // /CLOVER:ON
            PKCS8EncryptedPrivateKeyInfo pKeyInfo = (PKCS8EncryptedPrivateKeyInfo) pemObj;
            if (pwd == null) {
                throw new CryptoException("No password specified to decrypt encrypted private key");
            }
            // Decrypt the private key with the specified password
            InputDecryptorProvider pkcs8Prov = new JceOpenSSLPKCS8DecryptorProviderBuilder().setProvider(BC_PROVIDER).build(pwd.toCharArray());
            PrivateKeyInfo privateKeyInfo = pKeyInfo.decryptPrivateKeyInfo(pkcs8Prov);
            JcaPEMKeyConverter pemConverter = new JcaPEMKeyConverter();
            privKey = pemConverter.getPrivateKey(privateKeyInfo);
        }
        if (ecParam != null && privKey != null && ECDSA.equals(privKey.getAlgorithm())) {
            ECParameterSpec ecSpec = new ECParameterSpec(ecParam.getCurve(), ecParam.getG(), ecParam.getN(), ecParam.getH(), ecParam.getSeed());
            KeyFactory keyFactory = KeyFactory.getInstance(getECDSAAlgo(), getKeyFactoryProvider());
            ECPrivateKeySpec keySpec = new ECPrivateKeySpec(((BCECPrivateKey) privKey).getS(), ecSpec);
            privKey = keyFactory.generatePrivate(keySpec);
        }
        return privKey;
    // /CLOVER:OFF
    } catch (PEMException e) {
        LOG.error("loadPrivateKey: Caught PEMException, problem with format of key detected.");
        throw new CryptoException(e);
    } catch (NoSuchProviderException e) {
        LOG.error("loadPrivateKey: Caught NoSuchProviderException, check to make sure the provider is loaded correctly.");
        throw new CryptoException(e);
    } catch (NoSuchAlgorithmException e) {
        LOG.error("loadPrivateKey: Caught NoSuchAlgorithmException, check to make sure the algorithm is supported by the provider.");
        throw new CryptoException(e);
    } catch (InvalidKeySpecException e) {
        LOG.error("loadPrivateKey: Caught InvalidKeySpecException, invalid key spec is being used.");
        throw new CryptoException(e);
    } catch (OperatorCreationException e) {
        LOG.error("loadPrivateKey: Caught OperatorCreationException when creating JceOpenSSLPKCS8DecryptorProviderBuilder.");
        throw new CryptoException(e);
    } catch (PKCSException e) {
        LOG.error("loadPrivateKey: Caught PKCSException when decrypting private key.");
        throw new CryptoException(e);
    } catch (IOException e) {
        LOG.error("loadPrivateKey: Caught IOException, while trying to read key.");
        throw new CryptoException(e);
    }
// /CLOVER:ON
}

Example 32 with PrivateKeyInfo

use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project karaf by apache.

the class KeyPairLoader method getKeyPair.

public static KeyPair getKeyPair(InputStream is, String password) throws GeneralSecurityException, IOException {
    try (PEMParser parser = new PEMParser(new InputStreamReader(is))) {
        Object o = parser.readObject();
        JcaPEMKeyConverter pemConverter = new JcaPEMKeyConverter();
        if (o instanceof PEMEncryptedKeyPair) {
            if (password == null) {
                throw new GeneralSecurityException("A password must be supplied to read an encrypted key pair");
            }
            JcePEMDecryptorProviderBuilder decryptorBuilder = new JcePEMDecryptorProviderBuilder();
            PEMDecryptorProvider pemDecryptor = decryptorBuilder.build(password.toCharArray());
            o = pemConverter.getKeyPair(((PEMEncryptedKeyPair) o).decryptKeyPair(pemDecryptor));
        } else if (o instanceof PKCS8EncryptedPrivateKeyInfo) {
            if (password == null) {
                throw new GeneralSecurityException("A password must be supplied to read an encrypted key pair");
            }
            JceOpenSSLPKCS8DecryptorProviderBuilder jce = new JceOpenSSLPKCS8DecryptorProviderBuilder();
            try {
                InputDecryptorProvider decProv = jce.build(password.toCharArray());
                o = ((PKCS8EncryptedPrivateKeyInfo) o).decryptPrivateKeyInfo(decProv);
            } catch (OperatorCreationException | PKCSException ex) {
                LOGGER.debug("Error decrypting key pair", ex);
                throw new GeneralSecurityException("Error decrypting key pair", ex);
            }
        }
        if (o instanceof PEMKeyPair) {
            return pemConverter.getKeyPair((PEMKeyPair) o);
        } else if (o instanceof KeyPair) {
            return (KeyPair) o;
        } else if (o instanceof PrivateKeyInfo) {
            PrivateKey privateKey = pemConverter.getPrivateKey((PrivateKeyInfo) o);
            PublicKey publicKey = convertPrivateToPublicKey(privateKey);
            if (publicKey != null) {
                return new KeyPair(publicKey, privateKey);
            }
        }
    }
    throw new GeneralSecurityException("Failed to parse input stream");
}

Example 33 with PrivateKeyInfo

use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project XobotOS by xamarin.

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.
     */
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;
    ECPrivateKeyStructure keyStructure;
    if (publicKey != null) {
        keyStructure = new ECPrivateKeyStructure(this.getS(), publicKey, params);
    } else {
        keyStructure = new ECPrivateKeyStructure(this.getS(), params);
    }
    // BEGIN android-removed
    // if (algorithm.equals("ECGOST3410"))
    // {
    //     info = new PrivateKeyInfo(new AlgorithmIdentifier(CryptoProObjectIdentifiers.gostR3410_2001, params.getDERObject()), keyStructure.getDERObject());
    // }
    // else
    // END android-removed
    {
        info = new PrivateKeyInfo(new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, params.getDERObject()), keyStructure.getDERObject());
    }
    return info.getDEREncoded();
}

Example 34 with PrivateKeyInfo

use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project robovm by robovm.

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.
     */
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;
    ECPrivateKeyStructure keyStructure;
    if (publicKey != null) {
        keyStructure = new ECPrivateKeyStructure(this.getS(), publicKey, params);
    } else {
        keyStructure = new ECPrivateKeyStructure(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;
    }
}

Example 35 with PrivateKeyInfo

use of org.gudy.bouncycastle.asn1.pkcs.PrivateKeyInfo in project Resurrection_packages_apps_Settings by ResurrectionRemix.

the class CredentialStorage method isHardwareBackedKey.

private boolean isHardwareBackedKey(byte[] keyData) {
    try {
        ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(keyData));
        PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject());
        String algOid = pki.getAlgorithmId().getAlgorithm().getId();
        String algName = new AlgorithmId(new ObjectIdentifier(algOid)).getName();
        return KeyChain.isBoundKeyAlgorithm(algName);
    } catch (IOException e) {
        Log.e(TAG, "Failed to parse key data");
        return false;
    }
}