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3 Commits

Author SHA1 Message Date
Thomas Gleixner
ea5d8cfa33 crypto: aegis - Cleanup license mess 
Precise and non-ambiguous license information is important. The recently
added aegis header file has a SPDX license identifier, which is nice, but
at the same time it has a contradictionary license boiler plate text.

  SPDX-License-Identifier: GPL-2.0

versus

  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation; either version 2 of the License, or (at your option)
  * any later version

Oh well.

As the other aegis related files are licensed under the GPL v2 or later,
it's assumed that the boiler plate code is correct, but the SPDX license
identifier is wrong.

Fix the SPDX identifier and remove the boiler plate as it is redundant.

Fixes: f606a88e58 ("crypto: aegis - Add generic AEGIS AEAD implementations")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ondrej Mosnacek <omosnacek@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Acked-by: Ondrej Mosnacek <omosnacek@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2019-01-25 18:41:51 +08:00
Ard Biesheuvel
4a34e3c2f2 crypto: aegis/generic - fix for big endian systems 
Use the correct __le32 annotation and accessors to perform the
single round of AES encryption performed inside the AEGIS transform.
Otherwise, tcrypt reports:

  alg: aead: Test 1 failed on encryption for aegis128-generic
  00000000: 6c 25 25 4a 3c 10 1d 27 2b c1 d4 84 9a ef 7f 6e
  alg: aead: Test 1 failed on encryption for aegis128l-generic
  00000000: cd c6 e3 b8 a0 70 9d 8e c2 4f 6f fe 71 42 df 28
  alg: aead: Test 1 failed on encryption for aegis256-generic
  00000000: aa ed 07 b1 96 1d e9 e6 f2 ed b5 8e 1c 5f dc 1c

Fixes: f606a88e58 ("crypto: aegis - Add generic AEGIS AEAD implementations")
Cc: <stable@vger.kernel.org> # v4.18+
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2018-10-08 13:44:53 +08:00
Ondrej Mosnacek
f606a88e58 crypto: aegis - Add generic AEGIS AEAD implementations 
This patch adds the generic implementation of the AEGIS family of AEAD
algorithms (AEGIS-128, AEGIS-128L, and AEGIS-256). The original
authors of AEGIS are Hongjun Wu and Bart Preneel.

At the time of writing, AEGIS is one of the finalists in CAESAR, an
open competition intended to select a portfolio of alternatives to
the problematic AES-GCM:

https://competitions.cr.yp.to/caesar-submissions.html
https://competitions.cr.yp.to/round3/aegisv11.pdf

Signed-off-by: Ondrej Mosnacek <omosnacek@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2018-05-19 00:13:58 +08:00