90 lines
2.6 KiB
90 lines
2.6 KiB
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namespace CounsellorBL.Helper
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{
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using OT.COM.Encryption;
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using OT.COM.LogisticsUtil;
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using System;
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public static class EncryptHelper
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{
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private static readonly byte[] _Key = System.Text.Encoding.Unicode.GetBytes(Util.GetSettingString("KEY"));
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private static readonly byte[] _IV = System.Text.Encoding.Unicode.GetBytes(Util.GetSettingString("IV"));
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private static readonly AES _aes = new AES();
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/// <summary>
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/// 函式名稱:Encrypt
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/// 函式說明:加密API
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/// 起始作者:Hercules
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/// 起始日期:2016/06/17
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/// 最新修改人: Hercules
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/// 最新修日期: 2016/06/17
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/// </summary>
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/// <param name="i_sPlaintext">明碼</param>
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/// <param name="o_sCiphertext">暗碼</param>
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/// <returns>錯誤訊息，若成功則為Null</returns>
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public static string Encrypt(string i_sPlaintext, out string o_sCiphertext)
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{
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string sMsg = null;
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string sRes = null;
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try
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{
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do
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{
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byte[] baRes = _aes.EncryptStringToByte(
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i_sPlaintext,
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_Key,
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_IV);
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sRes = Convert.ToBase64String(baRes);
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}
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while (false);
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}
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finally
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{
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o_sCiphertext = sRes;
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}
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return sMsg;
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}
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/// <summary>
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/// 函式名稱:Decrypt
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/// 函式說明:解密API
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/// 起始作者:Hercules
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/// 起始日期:2016/06/17
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/// 最新修改人: Hercules
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/// 最新修日期: 2016/06/17
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/// </summary>
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/// <param name="i_sCiphertext">暗碼</param>
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/// <param name="o_sPlaintext">明碼</param>
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/// <returns>錯誤訊息，若成功則為Null</returns>
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public static string Decrypt(string i_sCiphertext, out string o_sPlaintext)
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{
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string sMsg = null;
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string sRes = null;
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try
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{
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do
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{
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byte[] baCiphertext = Convert.FromBase64String(i_sCiphertext);
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sRes = _aes.DecryptByteToString(
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baCiphertext,
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_Key,
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_IV);
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}
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while (false);
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}
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finally
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{
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o_sPlaintext = sRes;
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}
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return sMsg;
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}
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}
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}
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