Appendix - Converting Public Key to PEM Format

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jwt-authn

Changing public key generated with ssh-keygen (instructions in appendix) into PEM format

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*You need to do this so it’s in the right format to use as the public key to verify a signed JWT.

# reads from file jwtRS256.key.pub
ssh-keygen -f jwtRS256.key.pub -e -m pem

or with openssl

# reads from file jwtRS256.key.pub
openssl rsa -in jwtRS256.key -pubout -outform PEM -out jwtRS256.key.pub