Discussion: Cryptographic Functions (300 words)

 Instrictions

1. Research and read the below concepts related to "Principles of Computer security"
   1.  Cryptography in computer security
   2.  Applied Cryptography  in computer security
   3. Public Key Infrastructure  in computer security
   4.  Physical Security  in computer security
2. Respond to the following prompts:
   1. Classify the types of cryptographic methods that are currently in use and describe their functionality.
   2. What function does PKI play in secure transactions? Discuss any issues with the use of PKI.
   3. Discuss why physical security is important. Select several physical security measures and provide reasoning for their implementation.
3. Your response should be in 300 words and provide appropriate references in APA format