In all the following assignments, we assume that your public keys are obtainable via the email address use for handing in the assignment.
gitbitbucket.org,
gitlab.com, or
github.com,
git push your local repo to the above remote repo.
node assignments the line
node_modules/must
be in your .gitignore file.
<nmla@iba.dk> with:
submission <subjectname>'
in the subject line
Download and install GnuPG from https://www.gnupg.org/download/, find the appropriate version in the section: GnuPG binary releases.
Generate a keypair for yourself, and export your
public key to an asc,
ASCII Armored, file.
Use your regular email address when generating
your keypair.
Then publish your exported public key to either:
If you get a verification email, don't ignore it.
Create a text file, and encrypt it with your
own public key, use your email as
recipient.
Give the encrypted file the name
SecE1.enc.txt.
Then open the encrypted file
in your favorite editor. What happens?
Then decrypt the file into a file differently name than the original file. Verify that the content has become itself again.
Finally, encrypt the original file with
nmla@iba.dk as the recipient.
You may get the public key from:
https://keyserver.pgp.com.
Name the output SecE1a.enc.txt.
Both encrypted files go into the repo.
Take the text of this assignment, and put
it into a txt document. Then sign it with a
regular digital signature, name the output
SecE2.sign.txt, and put it into
the repo.
Create a short document, and clearsign it into
SecE3.sig.txt.
The document should give a possible use case for
clearsign.