introduce support for certificate files in rsa/hs confusion #11
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Reworked the way public key files are ingested for the rsa/hs confusion attack, so that passing a .509 certificate works as well. This was done in order to equalise the behaviour with option "8: Verify RSA sifnature against a Public Key", which accepts certificate .pem files.
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After being frustrated for embarassingly long, I figured out that the JWT algorithm replacement attack only accepts actual public keys, not certs. I hope to spare someone else the headbanging.
Reworked the way public key files are ingested for the rsa/hs confusion
attack, so that passing a .509 certificate works as well.
This was done in order to equalise the behaviour with option "8: Verify
RSA sifnature against a Public Key", which accepts certificate .pem
files.
This changelist does not change the current behaviour of the tool - passing in a public key file still works as expected.