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A comment on Obtain a GitHub user's public keys. Parent comment

Re:Obtain a GitHub user's public keys by robryk on Monday June 16, 2014 @11:49AM (#7899662)
Signing of the repo contents (commits/tags) doesn't help anyhow with user ssh keys. If the automation gets the keys from github it effectively trusts github completely, irrespective of the situation with repos.
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Re:Obtain a GitHub user's public keys by TheLoneWolfling on Monday June 16, 2014 @12:58PM (#7900059)
Not necessarily. It could do key pinning for example, which at least protects already-established users.
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Re:Obtain a GitHub user's public keys by mitchty on Wednesday June 18, 2014 @06:47PM (#7913396)
Additionally, if you use gpg to build your ssh keys and have a trust/sign chain you could then pull this stuff with impunity as long as you keep the trust chain issues sorted.
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