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* crypto: geode-aes - convert to skcipher API and make thread-safeEric Biggers2019-10-231-13/+2
| | | | | | | | | | | | | | | | | | The geode AES driver is heavily broken because it stores per-request state in the transform context. So it will crash or produce the wrong result if used by any of the many places in the kernel that issue concurrent requests for the same transform object. This driver is also implemented using the deprecated blkcipher API, which makes it difficult to fix, and puts it among the drivers preventing that API from being removed. Convert this driver to use the skcipher API, and change it to not store per-request state in the transform context. Fixes: 9fe757b0cfce ("[PATCH] crypto: Add support for the Geode LX AES hardware") Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: geode-aes - switch to skcipher for cbc(aes) fallbackArd Biesheuvel2019-10-101-1/+1
| | | | | | | | | | | | | | | | | | | Commit 79c65d179a40e145 ("crypto: cbc - Convert to skcipher") updated the generic CBC template wrapper from a blkcipher to a skcipher algo, to get away from the deprecated blkcipher interface. However, as a side effect, drivers that instantiate CBC transforms using the blkcipher as a fallback no longer work, since skciphers can wrap blkciphers but not the other way around. This broke the geode-aes driver. So let's fix it by moving to the sync skcipher interface when allocating the fallback. At the same time, align with the generic API for ECB and CBC by rejecting inputs that are not a multiple of the AES block size. Fixes: 79c65d179a40e145 ("crypto: cbc - Convert to skcipher") Cc: <stable@vger.kernel.org> # v4.20+ ONLY Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Florian Bezdeka <florian@bezdeka.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152Thomas Gleixner2019-05-301-5/+1
| | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* crypto: geode - Consistently use AES_KEYSIZE_128Marek Vasut2014-05-221-3/+1
| | | | | | | | | | | | | | | | Consistently use AES_KEYSIZE_128 instead of arbitrary defined value. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Cc: Eric Bénard <eric@eukrea.com> Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Cc: Kent Yoder <key@linux.vnet.ibm.com> Cc: Michal Ludvig <michal@logix.cz> Cc: Varun Wadekar <vwadekar@nvidia.com> Cc: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Cc: linux-geode@lists.infradead.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: geode - Kill AES_IV_LENGTHMarek Vasut2014-05-221-1/+0
| | | | | | | | | | | | | | | | The AES IV length is always 128bits, just use the define from aes.h Signed-off-by: Marek Vasut <marex@denx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Cc: Eric Bénard <eric@eukrea.com> Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Cc: Kent Yoder <key@linux.vnet.ibm.com> Cc: Michal Ludvig <michal@logix.cz> Cc: Varun Wadekar <vwadekar@nvidia.com> Cc: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Cc: linux-geode@lists.infradead.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: geode - Kill AES_MIN_BLOCK_SIZEMarek Vasut2014-05-221-1/+0
| | | | | | | | | | | | | | | | | This is actually defined in include/crypto/aes.h , no need to have a a different symbol for the same thing twice. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Cc: Eric Bénard <eric@eukrea.com> Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Cc: Kent Yoder <key@linux.vnet.ibm.com> Cc: Michal Ludvig <michal@logix.cz> Cc: Varun Wadekar <vwadekar@nvidia.com> Cc: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Cc: linux-geode@lists.infradead.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] geode: do not copy the IV too oftenSebastian Siewior2008-01-101-1/+1
| | | | | | | | | There is no reason to keep the IV in the private structre. Instead keep just a pointer to make the patch smaller :) This also remove a few memcpy()s Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] geode: Add fallback for unsupported modesSebastian Siewior2008-01-101-0/+6
| | | | | | | | | | The Geode AES crypto engine supports only 128 bit long key. This patch adds fallback for other key sizes which are required by the AES standard. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Acked-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] geode: move defines into a headerfileSebastian Siewior2008-01-101-2/+34
| | | | | | | This patch moves macros in geode-aes.c into geode-aes.h. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] geode: Fix in-place operations and set keyJordan Crouse2007-05-241-2/+1
| | | | | | | | | | | Allow in-place crypto operations. Also remove the coherent user flag (we use it automagically now), and by default use the user written key rather then the HW hidden key - this makes crypto just work without any special considerations, and thats OK, since its our only usage model. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] geode: Make needlessly global geode_aes_crypt() staticAdrian Bunk2006-12-071-2/+0
| | | | | | | | | | | | | | | | On Tue, Nov 14, 2006 at 01:41:25AM -0800, Andrew Morton wrote: >... > Changes since 2.6.19-rc5-mm2: >... > git-cryptodev.patch >... > git trees >... This patch makes the needlessly global geode_aes_crypt() static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [PATCH] crypto: Add support for the Geode LX AES hardwareJordan Crouse2006-12-071-0/+42
Add a driver to support the AES hardware on the Geode LX processor. Signed-off-by: Jordan Crouse <jordan.crouse@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>