Examples with PEMKeyPair org.bouncycastle.openssl.PEMKeyPair used on opensource projects

Example 36 with PEMKeyPair

use of org.bouncycastle.openssl.PEMKeyPair in project gitblit by gitblit.

the class FileKeyPairProvider method doLoadKey.

protected KeyPair doLoadKey(String file) {
    try {
        PEMParser r = new PEMParser(new InputStreamReader(new FileInputStream(file)));
        try {
            Object o = r.readObject();
            JcaPEMKeyConverter pemConverter = new JcaPEMKeyConverter();
            pemConverter.setProvider("BC");
            if (passwordFinder != null && o instanceof PEMEncryptedKeyPair) {
                JcePEMDecryptorProviderBuilder decryptorBuilder = new JcePEMDecryptorProviderBuilder();
                PEMDecryptorProvider pemDecryptor = decryptorBuilder.build(passwordFinder.getPassword());
                o = pemConverter.getKeyPair(((PEMEncryptedKeyPair) o).decryptKeyPair(pemDecryptor));
            }
            if (o instanceof PEMKeyPair) {
                o = pemConverter.getKeyPair((PEMKeyPair) o);
                return (KeyPair) o;
            } else if (o instanceof KeyPair) {
                return (KeyPair) o;
            }
        } finally {
            r.close();
        }
    } catch (Exception e) {
        log.warn("Unable to read key " + file, e);
    }
    return null;
}

Example 37 with PEMKeyPair

use of org.bouncycastle.openssl.PEMKeyPair in project graylog2-server by Graylog2.

the class KeyUtil method privateKeyFromFile.

/**
 * Obtain a private key from a PKS8 PEM file, which is optionally password-protected.
 * @param password password to decrypt the file - it may be null or empty in case of an unencrypted file
 * @param keyFile the key file
 * @return the corresponding private key
 */
public static PrivateKey privateKeyFromFile(String password, File keyFile) throws IOException, PKCSException, OperatorCreationException {
    PrivateKey privateKey;
    JcaPEMKeyConverter converter = new JcaPEMKeyConverter().setProvider("BC");
    // Be sure to specify charset for reader - don't use plain FileReader
    Object object;
    try (InputStream inputStream = Files.newInputStream(keyFile.toPath());
        InputStreamReader fileReader = new InputStreamReader(inputStream, StandardCharsets.UTF_8);
        PEMParser pemParser = new PEMParser(fileReader)) {
        object = pemParser.readObject();
    }
    if (object instanceof PKCS8EncryptedPrivateKeyInfo) {
        PKCS8EncryptedPrivateKeyInfo pInfo = (PKCS8EncryptedPrivateKeyInfo) object;
        JceOpenSSLPKCS8DecryptorProviderBuilder providerBuilder = new JceOpenSSLPKCS8DecryptorProviderBuilder();
        InputDecryptorProvider provider = providerBuilder.build(Strings.nullToEmpty(password).toCharArray());
        PrivateKeyInfo info = pInfo.decryptPrivateKeyInfo(provider);
        privateKey = converter.getPrivateKey(info);
    } else if (object instanceof PrivateKeyInfo) {
        privateKey = converter.getPrivateKey((PrivateKeyInfo) object);
    } else if (object instanceof PEMKeyPair) {
        privateKey = converter.getPrivateKey(((PEMKeyPair) object).getPrivateKeyInfo());
    } else {
        throw new PKCSException("Encountered unexpected object type: " + object.getClass().getName());
    }
    return privateKey;
}