Hi could I check my answer to this question The ISO/OSI networking group defined six distinct software mechanisms forming their ISO/OSI Security Architecture. Unfortunately, none of the ISO/OSI Security Architecture recommendations are supported by the core protocols of the TCP/IP internetworking suite. Briefly describe the recommended security mechanisms, and describe how the use of the TCP/IP protocol suite is slowly evolving to address the ISO/OSI recommendations. ... The TCP/IP suite evolved to address these 6 recommendations (i.e. data confidentiality, integrity...) by incorporating the following security measures: - Encryption (such as SHA or RSA) to transform the data into a form that is not readily intelligible and only decryptable by the intended parties (i.e. those who have the key). - Digital Signatures and Message Digests to verify the authenticity of messages, giving the recipient confidence that the message came from a sender known to the recipient - Digital Certificates to verify the authenticity of a public key. A certificate authority, organised into hierarchies of trust, attests to authenticity by signing a message with its own private key