Researchers looked at the Telegram messaging app and found an example of why you should not roll your own crypto: https://eprint.iacr.org/2015/1177
@runasand and afaik CCA security is more strict than what's needed in practice, technically violating CCA like this just means proofs fail
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@runasand CCA security is a good indicator for something being a secure crypto component, but CCA insecurity means nothingThanks. Twitter will use this to make your timeline better. UndoUndo
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