Encryption and Decryption of messages in C#

Question

Hi All,

I have web service layer which would receive the encrypted and signed message, the web service layers need to decrypt and validate the signature before passing it to the internal application for business processing ...

please let me know any code samples, links for encrypting and decrypting the messages ... thanks  

Answer 1

Google

Answer 2

Are you planning on using symmetric or asymmetric keys? .NET provides several cryptographic services http://msdn.microsoft.com/en-us/library/system.security.cryptography.aspx.

Answer 3

What I know as of now we are using X509 certificates to encrypt and decrypt messages ...

Answer 4

Infact message is signed using X509 certificates and Encrypting algorithm is suppose to be RSA

Answer 5

http://www.codeproject.com/KB/security/SimpleEncryption.aspx

http://docs.google.com/gview?a=v&q=cache:sJSwtCuWVvQJ:www.entrust.com/resources/pdf/cryptointro.pdf+Entrust%27s+Introduction+to+Cryptography+and+Digital+Signatures&hl=en&gl=us&pid=bl&srcid=ADGEESjy1r1si188N-YivQ-uCI5LHxZyOSLtDewY7tOgI-4h5s15EtbjvM3NZa9qJrF5jWtJoSuY2oa5CyIDk7MkTMrn67yGGAnMaChlbEqIaTkPIeM84-_lHW8efEryPKwoQbpe0mNg&sig=AFQjCNEfZ2E0eS8M3XmqytFwbj8WxvlqwQ

http://geraldgibson.net/dnn/Home/2WayEncryptedCommunication/tabid/150/Default.aspx