Encrypt加密
/// <summary>
/// 加密string
/// </summary>
/// <param name="original">需要加密的文字</param>
/// <param name="key">密钥,自己随机定义</param>
/// <returns>密文</returns>
public static string Encrypt(string original, string key)
{
//System.Text.Encoding.Default获取操作系统的当前 ANSI 代码页的编码。
byte[] boriginal = System.Text.Encoding.Default.GetBytes(original);
byte[] bkey= System.Text.Encoding.Default.GetBytes(key);
return Convert.ToBase64String(Encrypt(boriginal ,bkey));
}
Encrypt解密,key要一样
/// <summary>
/// 解密string
/// </summary>
/// <param name="original">密文</param>
/// <param name="key">密钥</param>
/// <returns>明文</returns>
public static string Decrypt(string original, string key)
{
return Decrypt(original,key,System.Text.Encoding.Default);
}
/// <summary>
/// 解密string
/// </summary>
/// <param name="encrypted">密文</param>
/// <param name="key">密钥</param>
/// <param name="encoding">字符编码方案</param>
/// <returns>明文</returns>
public static string Decrypt(string encrypted, string key,Encoding encoding)
{
byte[] boriginal = Convert.FromBase64String(encrypted);
byte[] bkey= System.Text.Encoding.Default.GetBytes(key);
return encoding.GetString(Decrypt(boriginal ,bkey));
}