> I tried to do the opposite : generating keys as PEM using linux's > openssl, then convert them to plan9 format using pemdecode without > success.
You have to convert the key from PEM to DER with OpenSSL, then convert it to the Factotum format using auth/asn12rsa: openssl rsa -in key.pem -inform PEM -out key.der -outform DER auth/asn12rsa -t 'proto=rsa service=tls owner=*' key.der >key -- David du Colombier