Examples with SecretKeyFactory javax.crypto.SecretKeyFactory used on opensource projects

Example 66 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project TaEmCasa by Dionen.

the class PasswordAuthentication method generateStorngPasswordHash.

/* Cria um Hash a partir de uma senha e um Salt. Retorna o Hash */
private static String generateStorngPasswordHash(String password, String Stringsalt) throws NoSuchAlgorithmException, InvalidKeySpecException {
    int iterations = 2000;
    char[] chars = password.toCharArray();
    byte[] salt = Stringsalt.getBytes();
    PBEKeySpec spec = new PBEKeySpec(chars, salt, iterations, 64 * 8);
    SecretKeyFactory skf = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    byte[] hash = skf.generateSecret(spec).getEncoded();
    return toHex(hash);
}

Example 67 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project GeoGig by boundlessgeo.

the class Remote method decryptPassword.

public static String decryptPassword(String password) {
    try {
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
        SecretKey key = keyFactory.generateSecret(new PBEKeySpec(PASSWORD));
        Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
        pbeCipher.init(Cipher.DECRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
        return new String(pbeCipher.doFinal(Base64.decode(password)));
    } catch (Exception e) {
        return password;
    }
}

Example 68 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project ha-bridge by bwssytems.

the class BridgeSecurity method decrypt.

private String decrypt(String property) throws GeneralSecurityException, IOException {
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey key = keyFactory.generateSecret(new PBEKeySpec(habridgeKey));
    Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
    pbeCipher.init(Cipher.DECRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
    return new String(pbeCipher.doFinal(base64Decode(property)), "UTF-8");
}

Example 69 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project smartmodule by carozhu.

the class DESUtils method encrypt.

/**
     * 加密
     *
     * @param bytesContent
     *            待加密内容
     * @param key
     *            加密的密钥
     * @return
     */
public static byte[] encrypt(byte[] bytesContent, String key) {
    try {
        SecureRandom random = new SecureRandom();
        DESKeySpec desKey = new DESKeySpec(key.getBytes());
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
        SecretKey securekey = keyFactory.generateSecret(desKey);
        Cipher cipher = Cipher.getInstance("DES");
        cipher.init(Cipher.ENCRYPT_MODE, securekey, random);
        byte[] result = cipher.doFinal(bytesContent);
        return result;
    } catch (Throwable e) {
        e.printStackTrace();
    }
    return null;
}

Example 70 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project android_frameworks_base by crdroidandroid.

the class AndroidKeyStoreCipherSpiBase method engineWrap.

@Override
protected final byte[] engineWrap(Key key) throws IllegalBlockSizeException, InvalidKeyException {
    if (mKey == null) {
        throw new IllegalStateException("Not initilized");
    }
    if (!isEncrypting()) {
        throw new IllegalStateException("Cipher must be initialized in Cipher.WRAP_MODE to wrap keys");
    }
    if (key == null) {
        throw new NullPointerException("key == null");
    }
    byte[] encoded = null;
    if (key instanceof SecretKey) {
        if ("RAW".equalsIgnoreCase(key.getFormat())) {
            encoded = key.getEncoded();
        }
        if (encoded == null) {
            try {
                SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(key.getAlgorithm());
                SecretKeySpec spec = (SecretKeySpec) keyFactory.getKeySpec((SecretKey) key, SecretKeySpec.class);
                encoded = spec.getEncoded();
            } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
                throw new InvalidKeyException("Failed to wrap key because it does not export its key material", e);
            }
        }
    } else if (key instanceof PrivateKey) {
        if ("PKCS8".equalsIgnoreCase(key.getFormat())) {
            encoded = key.getEncoded();
        }
        if (encoded == null) {
            try {
                KeyFactory keyFactory = KeyFactory.getInstance(key.getAlgorithm());
                PKCS8EncodedKeySpec spec = keyFactory.getKeySpec(key, PKCS8EncodedKeySpec.class);
                encoded = spec.getEncoded();
            } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
                throw new InvalidKeyException("Failed to wrap key because it does not export its key material", e);
            }
        }
    } else if (key instanceof PublicKey) {
        if ("X.509".equalsIgnoreCase(key.getFormat())) {
            encoded = key.getEncoded();
        }
        if (encoded == null) {
            try {
                KeyFactory keyFactory = KeyFactory.getInstance(key.getAlgorithm());
                X509EncodedKeySpec spec = keyFactory.getKeySpec(key, X509EncodedKeySpec.class);
                encoded = spec.getEncoded();
            } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
                throw new InvalidKeyException("Failed to wrap key because it does not export its key material", e);
            }
        }
    } else {
        throw new InvalidKeyException("Unsupported key type: " + key.getClass().getName());
    }
    if (encoded == null) {
        throw new InvalidKeyException("Failed to wrap key because it does not export its key material");
    }
    try {
        return engineDoFinal(encoded, 0, encoded.length);
    } catch (BadPaddingException e) {
        throw (IllegalBlockSizeException) new IllegalBlockSizeException().initCause(e);
    }
}