C#:实现SHA256加密算法
/// <summary>
/// SHA256 加密
/// </summary>
/// <param name="sourceString">原字符串</param>
/// <returns>加密后字符串</returns>
public static string SHA256_Encrypt(string sourceString<
/// <summary>
/// SHA256 加密
/// </summary>
/// <param name="sourceString">原字符串</param>
/// <returns>加密后字符串</returns>
public static string SHA256_Encrypt(string sourceString<