Examples with JWEEncrypter com.nimbusds.jose.JWEEncrypter used on opensource projects

Example 1 with JWEEncrypter

use of com.nimbusds.jose.JWEEncrypter in project fitpay-android-sdk by fitpay.

the class StringUtils method getEncryptedString.

/**
 * Get encrypted string
 *
 * @param type            key type
 * @param decryptedString decrypted string
 * @return encrypted string
 */
public static String getEncryptedString(@KeysManager.KeyType int type, String decryptedString) {
    JWEAlgorithm alg = JWEAlgorithm.A256GCMKW;
    EncryptionMethod enc = EncryptionMethod.A256GCM;
    ECCKeyPair keyPair = KeysManager.getInstance().getPairForType(type);
    if (null == keyPair) {
        throw new IllegalStateException("No key pair available for type (type = " + type + ")");
    }
    JWEHeader.Builder jweHeaderBuilder = new JWEHeader.Builder(alg, enc).contentType("application/json").keyID(keyPair.getKeyId());
    JWEHeader header = jweHeaderBuilder.build();
    Payload payload = new Payload(decryptedString);
    JWEObject jweObject = new JWEObject(header, payload);
    try {
        JWEEncrypter encrypter = new AESEncrypter(KeysManager.getInstance().getSecretKey(type));
        jweObject.encrypt(encrypter);
    } catch (JOSEException e) {
        FPLog.e(e);
    }
    return jweObject.serialize();
}