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

Example 96 with PBEParameterSpec

use of javax.crypto.spec.PBEParameterSpec in project browsermator by pcalkins.

the class Protector method encrypt.

public static String encrypt(String property) throws GeneralSecurityException, UnsupportedEncodingException {
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey key = keyFactory.generateSecret(new PBEKeySpec(PASSWORD));
    Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
    pbeCipher.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
    return base64Encode(pbeCipher.doFinal(property.getBytes("UTF-8")));
}

Example 97 with PBEParameterSpec

use of javax.crypto.spec.PBEParameterSpec in project wechat by dllwh.

the class PasswordUtil method decrypt.

/**
 * @方法描述: 解密密文字符串
 * @创建者: 皇族灬战狼
 * @创建时间: 2016年5月23日 下午6:48:45
 * @param ciphertext
 *            待解密的密文字符串
 * @param password
 *            生成密钥时所使用的密码(如需解密,该参数需要与加密时使用的一致)
 * @param salt
 *            盐值(如需解密,该参数需要与加密时使用的一致)
 * @return 解密后的明文字符串
 */
public static String decrypt(String ciphertext, String password) {
    Key key = getPBEKey(password);
    byte[] passDec = null;
    PBEParameterSpec parameterSpec = new PBEParameterSpec(getStaticSalt(), ITERATIONCOUNT);
    try {
        Cipher cipher = Cipher.getInstance(ALGORITHM);
        cipher.init(Cipher.DECRYPT_MODE, key, parameterSpec);
        passDec = cipher.doFinal(hexStringToBytes(ciphertext));
    } catch (Exception e) {
        e.printStackTrace();
    }
    return new String(passDec);
}

Example 98 with PBEParameterSpec

use of javax.crypto.spec.PBEParameterSpec in project ButterRemote-Android by se-bastiaan.

the class ObscuredSharedPreferences method encrypt.

protected String encrypt(String value) {
    try {
        final byte[] bytes = value != null ? value.getBytes(UTF8) : new byte[0];
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(PBE_WITH_MD5_AND_DES);
        SecretKey key = keyFactory.generateSecret(new PBEKeySpec(SEKRIT));
        Cipher pbeCipher = Cipher.getInstance(PBE_WITH_MD5_AND_DES);
        pbeCipher.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(Settings.Secure.getString(context.getContentResolver(), Settings.System.ANDROID_ID).getBytes(UTF8), 20));
        return new String(Base64.encode(pbeCipher.doFinal(bytes), Base64.NO_WRAP), UTF8);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 99 with PBEParameterSpec

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

the class BridgeSecurity method encrypt.

static String encrypt(String property) throws GeneralSecurityException, UnsupportedEncodingException {
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey key = keyFactory.generateSecret(new PBEKeySpec(habridgeKey));
    Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
    pbeCipher.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
    return base64Encode(pbeCipher.doFinal(property.getBytes("UTF-8")));
}

Example 100 with PBEParameterSpec

use of javax.crypto.spec.PBEParameterSpec in project yyl_example by Relucent.

the class PbeWithMd5AndDesExample method decrypt.

/**
 * 将加密文本进行解密
 * @param encryptText String
 * @return String
 */
public String decrypt(String encryptText) throws Exception {
    if (encryptText == null || encryptText.length() == 0) {
        return "";
    }
    PBEKeySpec pbks = new PBEKeySpec((password).toCharArray());
    SecretKeyFactory skf = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey k = skf.generateSecret(pbks);
    StringTokenizer st = new StringTokenizer(hex2string(encryptText), " ");
    int num = 0;
    byte[] salt = new byte[8];
    while (st.hasMoreTokens() && (num < 8)) {
        salt[num] = (byte) (Integer.parseInt(st.nextToken()));
        num++;
    }
    int count = 0;
    byte[] cbtemp = new byte[2000];
    while (st.hasMoreTokens()) {
        cbtemp[count] = (byte) (Integer.parseInt(st.nextToken()));
        count++;
    }
    byte[] cb = new byte[count];
    for (int i = 0; i < cb.length; i++) {
        cb[i] = cbtemp[i];
    }
    Cipher cp = Cipher.getInstance("PBEWithMD5AndDES");
    PBEParameterSpec ps = new PBEParameterSpec(salt, 1000);
    cp.init(Cipher.DECRYPT_MODE, k, ps);
    byte[] ptext = cp.doFinal(cb);
    return new String(ptext, encoding);
}