> I've received the attached patch to make EVP_DecryptFinal_ex call
> EVPerr() in case of an error.

I think that unless Emilia (or other constant-time expert) agrees, then the 
current behavior makes the right trade-off.  It sacrifies some level of error 
detail in favor of protecting against a timing sidechannel.


--  
Principal Security Engineer, Akamai Technologies
IM: rs...@jabber.me Twitter: RichSalz

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