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

Example 56 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project hbase by apache.

the class Encryption method pbkdf128.

/**
   * Return a 128 bit key derived from the concatenation of the supplied
   * arguments using PBKDF2WithHmacSHA1 at 10,000 iterations.
   * 
   */
public static byte[] pbkdf128(byte[]... args) {
    byte[] salt = new byte[128];
    Bytes.random(salt);
    StringBuilder sb = new StringBuilder();
    for (byte[] b : args) {
        sb.append(Arrays.toString(b));
    }
    PBEKeySpec spec = new PBEKeySpec(sb.toString().toCharArray(), salt, 10000, 128);
    try {
        return SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1").generateSecret(spec).getEncoded();
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } catch (InvalidKeySpecException e) {
        throw new RuntimeException(e);
    }
}

Example 57 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project elasticsearch by elastic.

the class KeyStoreWrapper method setString.

/**
     * Set a string setting.
     *
     * @throws IllegalArgumentException if the value is not ASCII
     */
void setString(String setting, char[] value) throws GeneralSecurityException {
    if (ASCII_ENCODER.canEncode(CharBuffer.wrap(value)) == false) {
        throw new IllegalArgumentException("Value must be ascii");
    }
    SecretKey secretKey = secretFactory.generateSecret(new PBEKeySpec(value));
    keystore.get().setEntry(setting, new KeyStore.SecretKeyEntry(secretKey), keystorePassword.get());
    settingNames.add(setting);
}

Example 58 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project orientdb by orientechnologies.

the class OSymmetricKey method create.

protected void create() {
    try {
        SecureRandom secureRandom = new SecureRandom();
        byte[] salt = secureRandom.generateSeed(saltLength);
        KeySpec keySpec = new PBEKeySpec(seedPhrase.toCharArray(), salt, iteration, keySize);
        SecretKeyFactory factory = SecretKeyFactory.getInstance(seedAlgorithm);
        SecretKey tempKey = factory.generateSecret(keySpec);
        secretKey = new SecretKeySpec(tempKey.getEncoded(), secretKeyAlgorithm);
    } catch (Exception ex) {
        throw new OSecurityException("OSymmetricKey.create() Exception: " + ex);
    }
}

Example 59 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project jodd by oblac.

the class PBKDF2Hash method pbkdf2.

/**
	 * Computes the PBKDF2 hash of a password.
	 *
	 * @param password the password to hash.
	 * @param salt the salt
	 * @param iterations the iteration count (slowness factor)
	 * @param bytes the length of the hash to compute in bytes
	 * @return the PBDKF2 hash of the password
	 */
private static byte[] pbkdf2(char[] password, byte[] salt, int iterations, int bytes) {
    PBEKeySpec spec = new PBEKeySpec(password, salt, iterations, bytes * 8);
    SecretKeyFactory skf = null;
    try {
        skf = SecretKeyFactory.getInstance(PBKDF2_ALGORITHM);
        return skf.generateSecret(spec).getEncoded();
    } catch (NoSuchAlgorithmException ignore) {
        return null;
    } catch (InvalidKeySpecException e) {
        throw new IllegalArgumentException(e);
    }
}

Example 60 with PBEKeySpec

use of javax.crypto.spec.PBEKeySpec in project platform_frameworks_base by android.

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;
}