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

Example 31 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project spring-security by spring-projects.

the class Pbkdf2PasswordEncoder method encode.

private byte[] encode(CharSequence rawPassword, byte[] salt) {
    try {
        PBEKeySpec spec = new PBEKeySpec(rawPassword.toString().toCharArray(), concatenate(salt, this.secret), this.iterations, this.hashWidth);
        SecretKeyFactory skf = SecretKeyFactory.getInstance(PBKDF2_ALGORITHM);
        return concatenate(salt, skf.generateSecret(spec).getEncoded());
    } catch (GeneralSecurityException e) {
        throw new IllegalStateException("Could not create hash", e);
    }
}

Example 32 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project syncany by syncany.

the class CipherUtil method createMasterKey.

public static SaltedSecretKey createMasterKey(String password, byte[] salt) throws CipherException {
    try {
        logger.log(Level.FINE, "- Creating secret key using {0} with {1} rounds, key size {2} bit ...", new Object[] { MASTER_KEY_DERIVATION_FUNCTION, MASTER_KEY_DERIVATION_ROUNDS, MASTER_KEY_SIZE });
        SecretKeyFactory factory = SecretKeyFactory.getInstance(MASTER_KEY_DERIVATION_FUNCTION);
        KeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray(), salt, MASTER_KEY_DERIVATION_ROUNDS, MASTER_KEY_SIZE);
        SecretKey masterKey = factory.generateSecret(pbeKeySpec);
        return new SaltedSecretKey(masterKey, salt);
    } catch (Exception e) {
        throw new CipherException(e);
    }
}

Example 33 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project WordPress-Android by wordpress-mobile.

the class WPLegacyMigrationUtils method decryptPassword.

private static String decryptPassword(String encryptedPwd) {
    try {
        DESKeySpec keySpec = new DESKeySpec(DEPRECATED_DB_PASSWORD_SECRET.getBytes("UTF-8"));
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
        SecretKey key = keyFactory.generateSecret(keySpec);
        byte[] encryptedWithoutB64 = Base64.decode(encryptedPwd, Base64.DEFAULT);
        Cipher cipher = Cipher.getInstance("DES");
        cipher.init(Cipher.DECRYPT_MODE, key);
        byte[] plainTextPwdBytes = cipher.doFinal(encryptedWithoutB64);
        return new String(plainTextPwdBytes);
    } catch (Exception e) {
    }
    return encryptedPwd;
}

Example 34 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project XobotOS by xamarin.

the class JDKPKCS12KeyStore method unwrapKey.

protected PrivateKey unwrapKey(AlgorithmIdentifier algId, byte[] data, char[] password, boolean wrongPKCS12Zero) throws IOException {
    String algorithm = algId.getObjectId().getId();
    PKCS12PBEParams pbeParams = new PKCS12PBEParams((ASN1Sequence) algId.getParameters());
    PBEKeySpec pbeSpec = new PBEKeySpec(password);
    PrivateKey out;
    try {
        SecretKeyFactory keyFact = SecretKeyFactory.getInstance(algorithm, bcProvider);
        PBEParameterSpec defParams = new PBEParameterSpec(pbeParams.getIV(), pbeParams.getIterations().intValue());
        SecretKey k = keyFact.generateSecret(pbeSpec);
        ((JCEPBEKey) k).setTryWrongPKCS12Zero(wrongPKCS12Zero);
        Cipher cipher = Cipher.getInstance(algorithm, bcProvider);
        cipher.init(Cipher.UNWRAP_MODE, k, defParams);
        // we pass "" as the key algorithm type as it is unknown at this point
        out = (PrivateKey) cipher.unwrap(data, "", Cipher.PRIVATE_KEY);
    } catch (Exception e) {
        throw new IOException("exception unwrapping private key - " + e.toString());
    }
    return out;
}

Example 35 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project XobotOS by xamarin.

the class JDKPKCS12KeyStore method wrapKey.

protected byte[] wrapKey(String algorithm, Key key, PKCS12PBEParams pbeParams, char[] password) throws IOException {
    PBEKeySpec pbeSpec = new PBEKeySpec(password);
    byte[] out;
    try {
        SecretKeyFactory keyFact = SecretKeyFactory.getInstance(algorithm, bcProvider);
        PBEParameterSpec defParams = new PBEParameterSpec(pbeParams.getIV(), pbeParams.getIterations().intValue());
        Cipher cipher = Cipher.getInstance(algorithm, bcProvider);
        cipher.init(Cipher.WRAP_MODE, keyFact.generateSecret(pbeSpec), defParams);
        out = cipher.wrap(key);
    } catch (Exception e) {
        throw new IOException("exception encrypting data - " + e.toString());
    }
    return out;
}