Eric Biggers <ebiggers@xxxxxxxxxx> wrote: > It makes it clearer what's going on, especially since some modes update the > 'iv' pointer after each block (delaying the copy to 'walk.iv' until the end) > but others can't do that. The 'const' is helpful to further distinguish > these two cases, which were confused in both the pcbc and cfb > implementations. I'm not sure I agree that it makes it clearer, but: Reviewed-and-tested-by: David Howells <dhowells@xxxxxxxxxx>