crypto: arm64/aes-xctr - Add accelerated implementation of XCTR

Browse source

Add hardware accelerated version of XCTR for ARM64 CPUs with ARMv8
Crypto Extension support.  This XCTR implementation is based on the CTR
implementation in aes-modes.S.

More information on XCTR can be found in
the HCTR2 paper: "Length-preserving encryption with HCTR2":
https://eprint.iacr.org/2021/1441.pdf

Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

...

This commit is contained in:

Nathan Huckleberry 2022-05-20 18:14:57 +00:00 • committed by Herbert Xu

parent fd94fcf099

commit 23a251cc16

3 changed files with 168 additions and 66 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

arch/arm64/crypto/Kconfig

View file

64

arch/arm64/crypto/aes-glue.c

View file

162

arch/arm64/crypto/aes-modes.S

View file