Eric Biggers 9d4eee316a FROMGIT: crypto: poly1305 - use structures for key and accumulator
In preparation for exposing a low-level Poly1305 API which implements
the ε-almost-∆-universal (εA∆U) hash function underlying the Poly1305
MAC and supports block-aligned inputs only, create structures
poly1305_key and poly1305_state which hold the limbs of the Poly1305
"r" key and accumulator, respectively.

These structures could actually have the same type (e.g. poly1305_val),
but different types are preferable, to prevent misuse.

Acked-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

(cherry picked from commit 878afc35cd
 https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master)
Bug: 112008522
Test: As series, see Ic61c13b53facfd2173065be715a7ee5f3af8760b
Change-Id: If20a0f9d29d8ba1efd43a5eb3fafce7720afe565
Signed-off-by: Eric Biggers <ebiggers@google.com>
2018-12-05 09:48:15 -08:00
2018-12-05 09:48:12 -08:00

Linux kernel
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