添加项目文件。

SAL_OUTSTOCK/Utils/SHA256Helper.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace SAL_OUTSTOCK.Utils
+{
+    internal static class SHA256Helper
+    {
+        /// <summary>
+        /// SHA256加密
+        /// </summary>
+        /// <param name="data"></param>
+        /// <returns></returns>
+        public static string SHA256EncryptString(string data)
+        {
+            byte[] bytes = Encoding.UTF8.GetBytes(data);
+            byte[] hash = SHA256Managed.Create().ComputeHash(bytes);
+
+            StringBuilder builder = new StringBuilder();
+            for (int i = 0; i < hash.Length; i++)
+            {
+                builder.Append(hash[i].ToString("x2"));
+            }
+            return builder.ToString();
+        }
+
+        /// <summary>
+        /// SHA256加密
+        /// </summary>
+        /// <param name="StrIn">待加密字符串</param>
+        /// <returns>加密数组</returns>
+        public static Byte[] SHA256EncryptByte(string StrIn)
+        {
+            var sha256 = new SHA256Managed();
+            var Asc = new ASCIIEncoding();
+            var tmpByte = Asc.GetBytes(StrIn);
+            var EncryptBytes = sha256.ComputeHash(tmpByte);
+            sha256.Clear();
+            return EncryptBytes;
+        }
+    }
+}