[erlang-bugs] R15B01: PUBLIC_KEY: unable to decode auth_keys/pubkeys with comments

Ingela Anderton Andin <>
Wed Aug 29 17:27:27 CEST 2012


Hi!

We will fix this, but alas we do not have time to fix it for the 
upcoming release.
Thanks for altering us.

Regards Ingela Erlang/OTP team - Ericsson AB

Stefan Zegenhagen wrote:
> Dear all,
>
> the public_key application fails to decode SSH public keys from *.pub
> files or the authorized_keys file when the key has comments with
> whitespace in between.
>
> The key file is split at whitespace boundaries and the function
> mend_split() in pubkey_ssh.erl is used to extract the relevant pieces
> (KeyType, KeyData, ...).
>
> When the key comment contains whitespace, the mend_split() function
> fails to merge the pieces of the comment into a single string and causes
> badmatch exceptions in do_openssh_decode/3.
>
> Since the format of the "known_hosts" file and the "authorized_keys" or
> *.pub files is fundamentally different, it might be necessary to have
> different functions to parse them.
>
> Kind regards,
>
>   



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