Signal

@signalapp ↗

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Last Checked July 20, 2021

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Mon Apr 27 20:15:47 +0000 2015

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Signal @signalapp

@kyhwana The SHA1 scenario you're describing is a "second pre-image" attack, not a "collision attack." That's 2^159 hard. @sindarina — PolitiTweet.org

Posted April 27, 2015 Hibernated

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Signal @signalapp

@kyhwana Read this, see "Option 1:" http://t.co/YVxCRQ9QOk There are no CA certs, there's nothing to pin. @sindarina — PolitiTweet.org

Posted April 27, 2015 Hibernated

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Signal @signalapp

@sindarina @kyhwana You're right, we don't care about the expiration time on these certificates, because it provides zero security value. — PolitiTweet.org

Posted April 27, 2015 Hibernated