On Fri, 2018-08-17 at 09:34 +0200, Michał Górny wrote: > GnuPG supports creating signatures consisting of multiple signature > packets. If such a signature is verified, it outputs all the status > messages for each signature separately. However, git currently does not > account for such scenario and gets terribly confused over getting > multiple *SIG statuses. > > For example, if a malicious party alters a signed commit and appends > a new untrusted signature, git is going to ignore the original bad > signature and report untrusted commit instead. However, %GK and %GS > format strings may still expand to the data corresponding > to the original signature, potentially tricking the scripts into > trusting the malicious commit. > > Given that the use of multiple signatures is quite rare, git does not > support creating them without jumping through a few hoops, and finally > supporting them properly would require extensive API improvement, it > seems reasonable to just reject them at the moment. > Gentle ping. -- Best regards, Michał Górny
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