CS472 Assignment #5

 

ü Part 1: Due Midnight Tuesday  Nov 15, 2011

Create a certificate request (as described in OpenSSL PKI lecture) and submit it to cs472 for signature.

You will get email when it is signed. Your certificate will be available at:

/home/cs472/public_html/fall11/PKI_certificates/students

 

ü Part 2: Due Midnight Thursday Dec 8, 2011

 

Use  OpenSSL SMIME to mail  me any message of any size of any type (e.g, .txt, .pdf, .doc, .htm ) as

 tared, signed  and encrypted  message. Let   aaa.xxx   is the file that contains your message. 

Use the following script:

% tar_sendsign_encmail   cs472    aaa.xxx   <login>

         To produce a file called :  tse  (it is a tared,  signed and encrypted file corresponding to aaa.xxx).

         The script also email tse to cs472.

Since there is a possibility that your email can be lost use:

% submit   cs472

to submit the file  tse  under Assignment#5.

          Check that cs472 can  read your file by using:

                % tar_readsign_encmail   cs472   tse 

The cs472 private key is available at:

/home/cs472/public_html/fall11/PKI_certificates/students