show us the offending host key

[thomasvs]

No description provided.

[bitprophet]

Can you provide a quick way to reproduce the error case this is modifying so I can verify it on my end?

Context implies it's re: poorly formatted or corrupted line entries in a known_hosts file, but I'm not entirely sure how to create one that would trip this offhand. Could poke around but would prefer not to ;)

[thomasvs]

I don't know how it happened, but there was some extra characters in the middle of one of my host keys, something like [afdh] (including the brackets I think. I deleted the offending entry, sorry. I suggest you try with both even and odd number of characters as iirc it's supposed to be a base64 encoding ?

[bitprophet]

Yea, I just added one new character to an existing host key and got the binascii error. Cherry-picked your fix and got the new exception. Looks good to me 👍 Thanks!