Encrypt a String Using an RSA Key

RSA being a stream cipher does not require IV. You do not need to send data to the NAE Server in chunks of any particular size. While encrypting data using RSA key, the key size and padding is taken into consideration.

To encrypt a string:

1. Create a NAE Session. Pass the NAE username, password, and property file path as arguments.

   
   session = new NaeSession(user, pass, @"../../../../../../../CADP.NETCore_Properties.xml");
   

2. Create instance of the key that will be used for encryption.

   
   NaeKeyManagement nkm = new NaeKeyManagement(session);
   key = (NaeRsaKey)nkm.GetKey("generic_rsa_key");
   
   

   Note

   The generic_rsa_key must be present on the server.

3. Call the Encrypt method of the key and pass the data you want to encrypt.

   
   RSAEncryptionPadding padding = RSAEncryptionPadding.OaepSHA256;
   byte[] encrBytes = key.Encrypt(inputBytes, padding);