16 Commits

Author SHA1 Message Date
Andy Polyakov
e620e5ae37 aes/asm/bsaes-armv7: fix kernel-side XTS and harmonize with Linux.
XTS bug spotted and fix suggested by Adrian Kotelba.

Reviewed-by: Tim Hudson <tjh@openssl.org>
2015-02-24 10:08:57 +01:00
Andy Polyakov
c1669e1c20 Remove inconsistency in ARM support.
This facilitates "universal" builds, ones that target multiple
architectures, e.g. ARMv5 through ARMv7. See commentary in
Configure for details.

Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
2015-01-04 23:45:08 +01:00
Andy Polyakov
6f6a613032 aes/asm/bsaes-*.pl: improve decrypt performance.
Improve decrypt performance by 10-20% depending on platform. Thanks
to Jussi Kivilinna for providing valuable hint. Also thanks to Ard
Biesheuvel.
2013-10-03 23:08:31 +02:00
Andy Polyakov
066caf0551 aes/asm/*-armv*.pl: compensate for inconsistencies in tool-chains.
Suggested by: Ard Biesheuvel
2013-10-01 20:33:06 +02:00
Andy Polyakov
e0202d946d aes-armv4.pl, bsaes-armv7.pl: add Linux kernel and Thumb2 support.
Submitted by: Ard Biesheuvel
2013-09-20 13:22:57 +02:00
Andy Polyakov
612f4e2384 bsaes-armv7.pl: remove partial register operations in CTR subroutine. 2013-09-15 19:47:51 +02:00
Andy Polyakov
29f41e8a80 bsaes-armv7.pl: remove byte order dependency and minor optimization. 2013-09-15 19:44:43 +02:00
Ard Biesheuvel
a2ea9f3ecc Added support for ARM/NEON based bit sliced AES in XTS mode
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2013-09-15 19:37:16 +02:00
Andy Polyakov
9575d1a91a bsaes-armv7.pl: add bsaes_cbc_encrypt and bsaes_ctr32_encrypt_blocks.
Submitted by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

Contributor claims ~50% improvement in CTR and ~9% in CBC decrypt
on Cortex-A15.
2013-04-23 17:52:14 +02:00
Andy Polyakov
75fe422323 bsaes-armv7.pl: take it into build loop. 2013-04-23 17:49:54 +02:00
Andy Polyakov
e7db9896bb bsaes-armv7.pl: closest shave. While 0.3 cpb improvement on S4 appears
insignificant, it's actually 4 cycles less for 14 instructions sequence!
2012-09-07 12:29:18 +00:00
Andy Polyakov
4f16215b9d bsaes-armv7.pl: even closer shave. 2012-09-04 14:39:05 +00:00
Andy Polyakov
a903e6919c bsaes-armv7.pl: minor performance squeeze on Snapdragon S4. 2012-09-04 08:26:50 +00:00
Andy Polyakov
442c9f13d4 bsaes-armv7.pl: optmize Sbox and key conversion. 2012-03-16 21:41:48 +00:00
Andy Polyakov
358c372d16 bsaes-armv7.pl: change preferred contact. 2012-03-03 13:04:53 +00:00
Andy Polyakov
c4a52a6dca Add bit-sliced AES for ARM NEON. This initial version is effectively
reference implementation, it does not interface to OpenSSL yet.
2012-03-03 12:33:28 +00:00