Bonjour,

Le 12 févr. 2016 à 01:11, Blumenthal, Uri - 0553 - MITLL 
<[email protected]<mailto:[email protected]>> a écrit :

Again, you are right, but what's the lesser evil‎ - being unable to use the new 
OpenSSL because it refuses to deal with the cert that some dim-witten TPM maker 
screwed up, or accept a certificate with a (minor) violation of DER (but not of 
BER)? What bad in your opinion could happen if OpenSSL allowed parsing an 
integer with a leading zero byte (when it shouldn't be there by DER)?

As shown yesterday, this INTEGER encoding isn’t even valid BER.

Being liberal in what you accept, when dealing with crypto, gives you stuff 
like this: https://www.mozilla.org/en-US/security/advisories/mfsa2014-73/

Cordialement,
Erwann Abalea

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