.Net Core Encryption / Decryption

Question

what are .net core supported Symmetric & Asymmetric Algorithms.

Afzaal Ahmad Zeeshan · Answer

.NET Core supports similar objects as .NET framework did for cryptography so you can use the same one. For example, have a look at the following objects on MSDN, https://docs.microsoft.com/en-us/dotnet/core/api/system.security.cryptography.symmetricalgorithm https://docs.microsoft.com/en-us/dotnet/core/api/system.security.cryptography.asymmetricalgorithm These are the algorithms that are used in .NET Core for symmetric and asymmetric cryptographic. However, .NET Core objects are all implemented fully so that you don't have to worry about maintaining and implementing it.

Ananth G · Answer

Refer below side https://msdn.microsoft.com/en-us/library/0ss79b2x(v=vs.110).aspx Example protected   void  btnEncrypt_Click( object  sender, EventArgs e)     {          if  (txtName.Text !=  "" )         {             lblErrText1.Text =  "" ;             Label2.Text = FunForEncrypt(txtName.Text,  "Ananth.G1992" );         }          else          {             lblErrText1.Text =  "Please Enter value to below textbox" ;         }     }     public   static   string  FunForEncrypt( string  objText,  string  objKeycode)     {          byte [] objInitVectorBytes = Encoding.UTF8.GetBytes( "HR$2pIjHR$2pIj12" );          byte [] objPlainTextBytes = Encoding.UTF8.GetBytes(objText);         PasswordDeriveBytes objPassword =  new  PasswordDeriveBytes(objKeycode,  null );          byte [] objKeyBytes = objPassword.GetBytes(256 / 8);         RijndaelManaged objSymmetricKey =  new  RijndaelManaged();         objSymmetricKey.Mode = CipherMode.CBC;         ICryptoTransform objEncryptor = objSymmetricKey.CreateEncryptor(objKeyBytes, objInitVectorBytes);         MemoryStream objMemoryStream =  new  MemoryStream();         CryptoStream objCryptoStream =  new  CryptoStream(objMemoryStream, objEncryptor, CryptoStreamMode.Write);         objCryptoStream.Write(objPlainTextBytes, 0, objPlainTextBytes.Length);         objCryptoStream.FlushFinalBlock();          byte [] objEncrypted = objMemoryStream.ToArray();         objMemoryStream.Close();         objCryptoStream.Close();          return  Convert.ToBase64String(objEncrypted);     }          public   static   string  FunForDecrypt( string  EncryptedText,  string  Key)     {          byte [] objInitVectorBytes = Encoding.ASCII.GetBytes( "HR$2pIjHR$2pIj12" );          byte [] objDeEncryptedText = Convert.FromBase64String(EncryptedText);         PasswordDeriveBytes objPassword =  new  PasswordDeriveBytes(Key,  null );          byte [] objKeyBytes = objPassword.GetBytes(256 / 8);         RijndaelManaged objSymmetricKey =  new  RijndaelManaged();         objSymmetricKey.Mode = CipherMode.CBC;         ICryptoTransform objDecryptor = objSymmetricKey.CreateDecryptor(objKeyBytes, objInitVectorBytes);         MemoryStream objMemoryStream =  new  MemoryStream(objDeEncryptedText);         CryptoStream objCryptoStream =  new  CryptoStream(objMemoryStream, objDecryptor, CryptoStreamMode.Read);          byte [] objPlainTextBytes =  new   byte [objDeEncryptedText.Length];          int  objDecryptedByteCount = objCryptoStream.Read(objPlainTextBytes, 0, objPlainTextBytes.Length);         objMemoryStream.Close();         objCryptoStream.Close();          return  Encoding.UTF8.GetString(objPlainTextBytes, 0, objDecryptedByteCount);     }          protected   void  btnDecrypt_Click( object  sender, EventArgs e)     {          if  (txtName.Text ==  "" )         {             lblErrText1.Text =  "Please Enter value to below textbox" ;         }          else   if  (Label2.Text ==  "" )         {             lblErrText1.Text =  " Please first Enter value to below textbox and generate encryption text" ;         }          else          {             Label4.Text = FunForDecrypt(Label2.Text,  "Ananth.G1992" );         }          }