Question: (3 pts) Write the following expression for a simple digitally-signed certificate in symbolic functional notation. Bobs public key pkB is concatenated with the string Bob,

(3 pts) Write the following expression for a simple digitally-signed certificate in symbolic functional notation. Bobs public key pkB is concatenated with the string Bob, Inc. and the date string 2016- 04-27. The resulting string is hashed, and the result is encrypted with the certificate authoritys secret key skCA to produce signature s.

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