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

Example 51 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec 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 52 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project jdk8u_jdk by JetBrains.

the class MyPBKDF2SecretKey method getSecretKeyForPBKDF2.

/**
     * Generate a PBKDF2 secret key using given algorithm.
     *
     * @param algoToDeriveKey PBKDF2 algorithm
     * @return PBKDF2 secret key
     * @throws NoSuchAlgorithmException
     * @throws InvalidKeySpecException
     */
private SecretKey getSecretKeyForPBKDF2(String algoToDeriveKey) throws NoSuchAlgorithmException, InvalidKeySpecException {
    SecretKeyFactory skf = SecretKeyFactory.getInstance(algoToDeriveKey);
    PBEKeySpec spec = new PBEKeySpec(PASS_PHRASE.toCharArray(), this.salt, ITERATION_COUNT, KEY_SIZE);
    return skf.generateSecret(spec);
}

Example 53 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project symmetric-ds by JumpMind.

the class SecurityService method getDefaultSecretKey.

protected SecretKey getDefaultSecretKey() throws Exception {
    String keyPassword = nextSecureHexString(8);
    KeySpec keySpec = new PBEKeySpec(keyPassword.toCharArray(), SecurityConstants.SALT, SecurityConstants.ITERATION_COUNT, 56);
    SecretKey secretKey = SecretKeyFactory.getInstance(SecurityConstants.ALGORITHM).generateSecret(keySpec);
    return secretKey;
}

Example 54 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project android_frameworks_base by DirtyUnicorns.

the class BackupManagerService method buildCharArrayKey.

private SecretKey buildCharArrayKey(String algorithm, char[] pwArray, byte[] salt, int rounds) {
    try {
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(algorithm);
        KeySpec ks = new PBEKeySpec(pwArray, salt, rounds, PBKDF2_KEY_SIZE);
        return keyFactory.generateSecret(ks);
    } catch (InvalidKeySpecException e) {
        Slog.e(TAG, "Invalid key spec for PBKDF2!");
    } catch (NoSuchAlgorithmException e) {
        Slog.e(TAG, "PBKDF2 unavailable!");
    }
    return null;
}

Example 55 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project tigervnc by TigerVNC.

the class PBKDF method getKey.

public byte[] getKey(byte[] _pass, byte[] salt, int iterations, int size) {
    char[] pass = new char[_pass.length];
    for (int i = 0; i < _pass.length; i++) {
        pass[i] = (char) (_pass[i] & 0xff);
    }
    try {
        PBEKeySpec spec = new PBEKeySpec(pass, salt, iterations, size * 8);
        SecretKeyFactory skf = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
        byte[] key = skf.generateSecret(spec).getEncoded();
        return key;
    } catch (InvalidKeySpecException e) {
    } catch (NoSuchAlgorithmException e) {
    }
    return null;
}