tree b16704c56651d62e225c937d50c498ad16dd0b1d
parent 363ec6504fdcf78679aac8ab0519d6908626bffb
author Kenny Root <kroot@google.com> 1438293715 -0700
committer Kenny Root <kroot@google.com> 1438382809 -0700

GCM: set default tag size to 12 bytes

According to RFC 5084, the default value of the GCM tag should be 12
octets (bytes). Change the default tag length from 0 to 12 to honor
this.

Bug: 22855843
Change-Id: I1ed16df24d0cfa9fff2593a3402c97faf913e05e