Go with 96 bits for IV and 128 bits for the tag/mac. Also, if you're looking for an key management and data security platform that integrates in minutes, check us out at crypteron.com <https://www.crypteron.com> -- Sid Shetye C: (858) 342-1617 <8583421617> <https://www.crypteron.com>
On Wed, Oct 16, 2019 at 10:30 AM Benoit Laforest < benoit.lafor...@ubisoft.com> wrote: > Hi, > > > > According to the NIST recommendation, 96 bit would be the ideal size of > the IV vector for AES GCM. What about the MAC size? Should it be 96 > bits also or 128? > > > > I ask because in the file GCMTests.cs I noticed that all the tests are > made with a IV size of 128 bits and a Max Size of 128 bits also. > > > > Any help is welcome. 😊 > > > > Benoit >
