Examples with SecretKeySpec javax.crypto.spec.SecretKeySpec used on opensource projects

Example 91 with SecretKeySpec

use of javax.crypto.spec.SecretKeySpec in project fxosstub by Jaxo.

the class Jwt method hashKey.

/*----------------------------------------------------------------base64Url-+
   */
/**
   */
/*
   +-------------------------------------------------------------------------*/
private static String hashKey(String in) throws Exception {
    Mac mac = Mac.getInstance(ALGO);
    mac.init(new SecretKeySpec(paySecret.getBytes(ENC), ALGO));
    return base64Url(mac.doFinal(in.getBytes(ENC)));
}

Example 92 with SecretKeySpec

use of javax.crypto.spec.SecretKeySpec in project graylog2-server by Graylog2.

the class AESTools method decrypt.

@Nullable
public static String decrypt(String cipherText, String encryptionKey, String salt) {
    try {
        @SuppressFBWarnings("CIPHER_INTEGRITY") Cipher cipher = Cipher.getInstance("AES/CBC/ISO10126Padding", "SunJCE");
        SecretKeySpec key = new SecretKeySpec(encryptionKey.getBytes("UTF-8"), "AES");
        cipher.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(salt.getBytes("UTF-8")));
        return new String(cipher.doFinal(Hex.decode(cipherText)), "UTF-8");
    } catch (Exception e) {
        LOG.error("Could not decrypt value.", e);
    }
    return null;
}

Example 93 with SecretKeySpec

use of javax.crypto.spec.SecretKeySpec in project bigbluebutton by bigbluebutton.

the class TurnServer method calculateRFC2104HMAC.

/**
   * Computes RFC 2104-compliant HMAC signature.
   * * @param data
   * The data to be signed.
   * @param key
   * The signing key.
   * @return
   * The Base64-encoded RFC 2104-compliant HMAC signature.
   * @throws
   * java.security.SignatureException when signature generation fails
   */
private String calculateRFC2104HMAC(String data, String key) throws java.security.SignatureException {
    String result;
    try {
        // get an hmac_sha1 key from the raw key bytes
        SecretKeySpec signingKey = new SecretKeySpec(key.getBytes(), HMAC_SHA1_ALGORITHM);
        // get an hmac_sha1 Mac instance and initialize with the signing key
        Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
        mac.init(signingKey);
        // compute the hmac on input data bytes
        byte[] rawHmac = mac.doFinal(data.getBytes());
        // base64-encode the hmac
        result = new String(Base64.encodeBase64(rawHmac));
    } catch (Exception e) {
        throw new SignatureException("Failed to generate HMAC : " + e.getMessage());
    }
    return result;
}

Example 94 with SecretKeySpec

use of javax.crypto.spec.SecretKeySpec in project UltimateAndroid by cymcsg.

the class TripleDES method decrypt.

public static String decrypt(byte[] message) throws Exception {
    byte[] values = Base64decodingByte(message, 0);
    final MessageDigest md = MessageDigest.getInstance("SHA-1");
    final byte[] digestOfPassword = md.digest(token.getBytes("utf-8"));
    final byte[] keyBytes = copyOf(digestOfPassword, 24);
    for (int j = 0, k = 16; j < 8; ) {
        keyBytes[k++] = keyBytes[j++];
    }
    final SecretKey key = new SecretKeySpec(keyBytes, "DESede");
    String s1 = "12345678";
    byte[] bytes = s1.getBytes();
    final IvParameterSpec iv = new IvParameterSpec(bytes);
    final Cipher decipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");
    decipher.init(Cipher.DECRYPT_MODE, key, iv);
    final byte[] plainText = decipher.doFinal(values);
    return new String(plainText, "UTF-8");
}

Example 95 with SecretKeySpec

use of javax.crypto.spec.SecretKeySpec in project zaproxy by zaproxy.

the class ZapNTLMEngineImpl method RC4.

/** Calculates RC4 */
static byte[] RC4(final byte[] value, final byte[] key) throws AuthenticationException {
    try {
        final Cipher rc4 = Cipher.getInstance("RC4");
        rc4.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(key, "RC4"));
        return rc4.doFinal(value);
    } catch (Exception e) {
        throw new AuthenticationException(e.getMessage(), e);
    }
}