Re: Counter Size in CTR mode for AES Driver

2015-04-11 Thread Stephan Mueller
Am Samstag, 11. April 2015, 09:07:35 schrieb sri sowj: Hi sri, > Hi Stephen, > > Thanks a million for the information provided. I really appreciate > your time and efforts. > > In CTR mode counter size is not fixed , it varies based on > requirements like for rfc 3686 its size is 4 bytes, for o

Re: Counter Size in CTR mode for AES Driver

2015-04-11 Thread Sandy Harris
sri sowj wrote: > I have seen multiple open source drivers for AES(CTR) mode for > different Crypto Hardware Engines, I was not really sure on > countersize,nonce etc. > Please can any one provide some info on the following Not what you asked for, but in case it is useful here is the counter man

Re: Counter Size in CTR mode for AES Driver

2015-04-10 Thread sri sowj
Hi Stephen, Thanks a million for the information provided. I really appreciate your time and efforts. In CTR mode counter size is not fixed , it varies based on requirements like for rfc 3686 its size is 4 bytes, for other "CTR Mode" operations it is 8/16 bytes. So how does linux crypto HW driver

Re: Counter Size in CTR mode for AES Driver

2015-04-10 Thread Stephan Mueller
Am Samstag, 11. April 2015, 00:30:30 schrieb sri sowj: Hi sri, > Hi All, > > I have seen multiple open source drivers for AES(CTR) mode for > different Crypto Hardware Engines, I was not really sure on > countersize,nonce etc. > Please can any one provide some info on the following > > #1:How d