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  • android 字符串加解密算法

    android 字符串加解密算法


    /**
    *加密
    **/
        private String encryptPassword(String clearText) {
            try {
                DESKeySpec keySpec = new DESKeySpec(
                        BuildConfig.PASSWORD_ENC_SECRET.getBytes("UTF-8"));
                SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
                SecretKey key = keyFactory.generateSecret(keySpec);
    
                Cipher cipher = Cipher.getInstance("DES");
                cipher.init(Cipher.ENCRYPT_MODE, key);
                String encrypedPwd = Base64.encodeToString(cipher.doFinal(clearText
                        .getBytes("UTF-8")), Base64.DEFAULT);
                return encrypedPwd;
            } catch (Exception e) {
            }
            return clearText;
        }
    
    /**
    *解密
    **/
        private String decryptPassword(String encryptedPwd) {
            try {
                DESKeySpec keySpec = new DESKeySpec(BuildConfig.PASSWORD_ENC_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;
        }
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  • 原文地址:https://www.cnblogs.com/allencoder/p/5327204.html
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