While communicate with other there would be a sensitive data which need to reach the other end in secure manner.
Digitally signed data comes in to picture which provide us a secure and confidential way to communicate.
Below are the code to digitally sign the plain text and send it over other end, there signed data will be verified using the public key.
To sign and verify the data we need Private and Public key. I am going to use Private key to sign the text and using public key I am going to validate the signed text.
Certificate Encrypt and Decrypt using SHA1 algorithm
Signing text using Private Key
Verify signed text in other end using public key
Microsoft Technologies 