Example usage for javax.crypto.spec PBEKeySpec PBEKeySpec

List of usage examples for javax.crypto.spec PBEKeySpec PBEKeySpec

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Introduction

In this page you can find the example usage for javax.crypto.spec PBEKeySpec PBEKeySpec.

Prototype

public PBEKeySpec(char[] password, byte[] salt, int iterationCount, int keyLength)

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Document

Constructor that takes a password, salt, iteration count, and to-be-derived key length for generating PBEKey of variable-key-size PBE ciphers.

Usage

From source file:com.skplanet.syruppay.token.SyrupPayTokenBuilderTest.java

    _ERROR() throws Exception {
    final String keyFactorySalt = "65594821073030071593";
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding", "SunJCE");
    SecretKeySpec secretKeySpec;/*from w w  w  .  j  a v a  2 s.  c  o m*/
    try {
        KeySpec spec = new PBEKeySpec("7244798e1fab1a9175f752a8a7e12beafe2cd27b208f9f2f7ab43173358153fc5eae2499afa66f7386d74cb8cf4765133c513ae2e6acd521acde4f80d747".toCharArray(), keyFactorySalt.getBytes(), 1, 256);
        SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
        SecretKey secretKey = secretKeyFactory.generateSecret(spec);
        secretKeySpec = new SecretKeySpec(secretKey.getEncoded(), "AES");
    } catch (Exception e) {
        throw e;
    }
    cipher.init(Cipher.DECRYPT_MODE, secretKeySpec, new IvParameterSpec(new byte[cipher.getBlockSize()]));
    System.out.println(new String(cipher.doFinal(Base64.decodeBase64("yMvtcFwlhwBg22GF-biF4A".getBytes())), "UTF-8"));
}