Re: [TLS] TLS 1.3 - Just ditch compression

2015-11-01 Thread Sean Turner
My bad there were some messages sitting in the moderator queue that I let go. spt > On Nov 02, 2015, at 10:01, Dave Garrett wrote: > > On Sunday, November 01, 2015 07:53:50 pm Russ Housley wrote: >> I thought we already decided to remove compression from TLS 1.3. > > We did. > > See here: > h

Re: [TLS] TLS 1.3 - Just ditch compression

2015-11-01 Thread Dave Garrett
On Sunday, November 01, 2015 07:53:50 pm Russ Housley wrote: > I thought we already decided to remove compression from TLS 1.3. We did. See here: https://www.ietf.org/mail-archive/web/tls/current/msg17941.html On Thursday, October 08, 2015 10:10:51 pm Scott Arciszewski wrote: > Compression has n

Re: [TLS] TLS 1.3 - Just ditch compression

2015-11-01 Thread Russ Housley
I thought we already decided to remove compression from TLS 1.3. Russ On Oct 8, 2015, at 10:10 PM, Scott Arciszewski wrote: > Based on CRIME and BREACH we know that this construction is not secure: > > C = encrypt(compress(A || B)) > > If you control B and A contains sensitive information, st

[TLS] TLS 1.3 - Just ditch compression

2015-11-01 Thread Scott Arciszewski
Based on CRIME and BREACH we know that this construction is not secure: C = encrypt(compress(A || B)) If you control B and A contains sensitive information, strlen(C) tells you information about A. Vice versa if you control A and B contains sensitive information. In the context of a web applicat