C# UTF8Encoding.GetBytes方法代码示例

 // Token: 0x06000EF7 RID: 3831 RVA: 0x00045348 File Offset: 0x00043548
 public static string Encrypt(string unencrypted)
 {
     RijndaelManaged rijndaelManaged = new RijndaelManaged();
     ICryptoTransform encryptor = rijndaelManaged.CreateEncryptor(SimpleAES.key, SimpleAES.vector);
     UTF8Encoding uTF8Encoding = new UTF8Encoding();
     return Convert.ToBase64String(SimpleAES.Encrypt(uTF8Encoding.GetBytes(unencrypted), encryptor));
 }

    public void In(
      [FriendlyName("Key", "The string to be used to generate the hash from.")]
      string Key,
      
      [FriendlyName("SHA1 Hash", "The SHA1 Hash generated by the Key.")]
      out string Hash
      )
    {
        if (Key != "")
          {
         UTF8Encoding ue = new UTF8Encoding();
         byte[] bytes = ue.GetBytes(Key);

         // encrypt bytes
         SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
         byte[] hashBytes = sha1.ComputeHash(bytes);

         // Convert the encrypted bytes back to a string (base 16)
         string tmpHash = "";

         for (int i = 0; i < hashBytes.Length; i++)
         {
            tmpHash += System.Convert.ToString(hashBytes[i], 16).PadLeft(2, '0');
         }

         Hash = tmpHash.PadLeft(32, '0');
          }
          else
          {
         uScriptDebug.Log("[Generate SHA1 Hash] The Key provided was empty, returning an empty string for the SHA1 Hash.", uScriptDebug.Type.Warning);
         Hash = "";
          }
    }

    public void In(
      [FriendlyName("Key", "The string to be used to check against the provided SHA1 hash.")]
      string Key,
      
      [FriendlyName("SHA1 Hash", "The SHA1 Hash to check the key against.")]
      string Hash
      )
    {
        if (Key != "" && Hash != "")
          {
         UTF8Encoding ue = new UTF8Encoding();
         byte[] bytes = ue.GetBytes(Key);

         // encrypt bytes
         SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
         byte[] hashBytes = sha1.ComputeHash(bytes);

         // Convert the encrypted bytes back to a string (base 16)
         string tmpHash = "";

         for (int i = 0; i < hashBytes.Length; i++)
         {
            tmpHash += System.Convert.ToString(hashBytes[i], 16).PadLeft(2, '0');
         }

         string finalHash = tmpHash.PadLeft(32, '0');

         if (finalHash == Hash)
         {
            m_GoodHash = true;
         }
          }
    }

 public static string get_uft8(string unicodeString)
 {
     UTF8Encoding utf8 = new UTF8Encoding();
     byte[] encodedBytes = utf8.GetBytes(unicodeString);
     string decodedString = utf8.GetString(encodedBytes);
     return decodedString;
 }

    public bool PosTest2()
    {
        bool retVal = true;

        // Add your scenario description here
        TestLibrary.TestFramework.BeginScenario("PosTest2: Verify method GetBytes(String,Int32,Int32,Byte[],Int32) with null chars");

        try
        {
            Byte[] bytes;
            String chars = "";

            UTF8Encoding utf8 = new UTF8Encoding();

            int byteCount = chars.Length;
            bytes = new Byte[byteCount];
            int bytesEncodedCount = utf8.GetBytes(chars, 0, byteCount, bytes, 0);


            if (bytesEncodedCount != 0)
            {
                TestLibrary.TestFramework.LogError("002.1", "Method GetBytes Err.");
                retVal = false;
            }
        }
        catch (Exception e)
        {
            TestLibrary.TestFramework.LogError("002.2", "Unexpected exception: " + e);
            TestLibrary.TestFramework.LogInformation(e.StackTrace);
            retVal = false;
        }

        return retVal;
    }

    public bool PosTest1()
    {
        bool retVal = true;

        // Add your scenario description here
        TestLibrary.TestFramework.BeginScenario("PosTest1: Verify method GetBytes(Char[],Int32,Int32,Byte[],Int32) with non-null chars");

        try
        {
            Byte[] bytes;
            Char[] chars = new Char[] {
                            '\u0023', 
                            '\u0025', 
                            '\u03a0', 
                            '\u03a3'  };

            UTF8Encoding utf8 = new UTF8Encoding();

            int byteCount = utf8.GetByteCount(chars, 1, 2);
            bytes = new Byte[byteCount];
            int bytesEncodedCount = utf8.GetBytes(chars, 1, 2, bytes, 0);

        }
        catch (Exception e)
        {
            TestLibrary.TestFramework.LogError("001", "Unexpected exception: " + e);
            TestLibrary.TestFramework.LogInformation(e.StackTrace);
            retVal = false;
        }

        return retVal;
    }

    public static DataSet ToDataSet(DataSetData dsd)
    {
        DataSet ds = new DataSet();
        UTF8Encoding encoding = new UTF8Encoding();
        Byte[] byteArray = encoding.GetBytes(dsd.DataXML);
        MemoryStream stream = new MemoryStream(byteArray);
        XmlReader reader = new XmlTextReader(stream);
        ds.ReadXml(reader);
        XDocument xd = XDocument.Parse(dsd.DataXML);
        foreach (DataTable dt in ds.Tables)
        {						
            var rs = from row in xd.Descendants(dt.TableName)
                     select row;			
 			
            int i = 0;
            foreach (var r in rs)
            {
                DataRowState state = (DataRowState)Enum.Parse(typeof(DataRowState), r.Attribute("RowState").Value);
                DataRow dr = dt.Rows[i];
                dr.AcceptChanges();
                if (state == DataRowState.Deleted)
                    dr.Delete();
                else if (state == DataRowState.Added)
                    dr.SetAdded();
                else if (state == DataRowState.Modified)
                    dr.SetModified();               
                i++;
            }
        }            
        return ds;
    }

 /// <summary>
 /// Main constructor of the Tag. This reads information from the given filename and initializes all fields of the tag.
 /// It's important to know that this constructor has a considerable weight in term of processor time because it calculates two SHA1 hash:
 /// one for the entire file and one for the relevant tag information.
 /// </summary>
 /// <param name="filename">Filename from whom extract the information for the tag</param>
 public CompleteTag(string filename)
 {
     byte[] retVal;
     SHA1 crypto = new SHA1CryptoServiceProvider();
     using (FileStream file = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read))
     {
     retVal = crypto.ComputeHash(file);
     file.Close();
     }
     StringBuilder sb = new StringBuilder();
     for (int i = 0; i < retVal.Length; i++)
     {
     sb.Append(retVal[i].ToString("x2"));
     }
     this.FileHash= sb.ToString();
     this.FillTag(filename);
     System.Text.UTF8Encoding enc= new UTF8Encoding();
     byte[] tHashByte = crypto.ComputeHash(enc.GetBytes(this.contentString()));
     crypto.ComputeHash(tHashByte);
     sb.Clear();
     for (int i = 0; i < tHashByte.Length; i++)
     {
     sb.Append(tHashByte[i].ToString("x2"));
     }
     this.TagHash = sb.ToString();
 }

	public virtual void Post(string url, Dictionary<string, string> data, System.Action<HttpResult> onResult) {
	
		this.MakeRequest(url, HttpMethods.POST, onResult, (r) => {

			JSONObject js = new JSONObject(data);
			var requestPayload = js.ToString();

			UTF8Encoding encoding = new UTF8Encoding();
			r.ContentLength = encoding.GetByteCount(requestPayload);
			r.Credentials = CredentialCache.DefaultCredentials;
			r.Accept = "application/json";
			r.ContentType = "application/json";
			
			//Write the payload to the request body.
			using ( Stream requestStream = r.GetRequestStream())
			{
				requestStream.Write(encoding.GetBytes(requestPayload), 0,
				                    encoding.GetByteCount(requestPayload));
			}

			return false;

		});

	}

 static AesEncryptor()
 {
     encoder = new UTF8Encoding();
     RijndaelManaged rijndaelManaged = new RijndaelManaged();
     rijndaelManaged.Key = encoder.GetBytes(keyString).Take(keySize).ToArray();
     rijndael = rijndaelManaged;
     rijndael.BlockSize = 128;
 }

 public static string HashMD5(string phrase)
 {
     if (phrase == null)
         return null;
     var encoder = new UTF8Encoding();
     var md5Hasher = new MD5CryptoServiceProvider();
     var hashedDataBytes = md5Hasher.ComputeHash(encoder.GetBytes(phrase));
     return ByteArrayToHexString(hashedDataBytes);
 }

        public void PosTest1()
        {
            Byte[] bytes;
            String chars = "UTF8 Encoding Example";
            UTF8Encoding utf8 = new UTF8Encoding();

            int byteCount = chars.Length;
            bytes = new Byte[byteCount];
            int bytesEncodedCount = utf8.GetBytes(chars, 1, 2, bytes, 0);
        }

 public static byte[] EncryptRSA(string publicKeyAsPem, string payload, string passphrase = null)
 {
     var encoder = new UTF8Encoding();
     byte[] byte_payload = encoder.GetBytes(payload);
     CryptoKey d = CryptoKey.FromPublicKey(publicKeyAsPem, passphrase);
     OpenSSL.Crypto.RSA rsa = d.GetRSA();
     byte[] result = rsa.PublicEncrypt(byte_payload, OpenSSL.Crypto.RSA.Padding.PKCS1);
     rsa.Dispose();
     return result;
 }

    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {
        try
        {

        
        if (txtNewPass.Text!="" && txtNewPassRepeat.Text!="")
        {
            Literal1.Text = "";
            var query1 = context.ForgotPasswords.Where(v => v.VerificationCode == VCod).FirstOrDefault();
            int UserId = query1.UserId;
            var query = context.Users.Where(u => u.UserId == UserId).SingleOrDefault();

            string NewPass = txtNewPass.Text;
            string RpNewPass = txtNewPassRepeat.Text;



            MD5CryptoServiceProvider md5Hasher = new MD5CryptoServiceProvider();

            Byte[] hashedBytes;

            UTF8Encoding encoder = new UTF8Encoding();

            hashedBytes = md5Hasher.ComputeHash(encoder.GetBytes(NewPass));

            if (NewPass == RpNewPass)
            {

                query.Password = hashedBytes;
                context.SubmitChanges();


                context.ForgotPasswords.DeleteOnSubmit(query1);
                context.SubmitChanges();

                lblsucces.Visible = true;
                Imageok.Visible = true;

            }
            else
            {
                Literal1.Text = "<p class='FormValidation'>کلمه عبور و تکرار آن را  وارد نمایید!</p>";
            }

        }
        }
        catch (Exception)
        {

            Response.Redirect("~/Default.aspx");
        }
    
        }

 public void NegTest2()
 {
     Byte[] bytes;
     String chars = "UTF8 Encoding Example";
     UTF8Encoding utf8 = new UTF8Encoding();
     bytes = null;
     Assert.Throws<ArgumentNullException>(() =>
     {
         int bytesEncodedCount = utf8.GetBytes(chars, 1, 2, bytes, 0);
     });
 }