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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This driver has been completely broken since the very beginning
because it doesn't even have a setkey function. This means that
nobody has ever used it as it would crash during setkey.
This patch removes this driver.
Fixes: d293b640ebd5 ("crypto: mxc-scc - add basic driver for the...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Convert the bcm crypto driver to use crypto_authenc_extractkeys() so
that it picks up the fix for broken validation of rtattr::rta_len.
This also fixes the DES weak key check to actually be done on the right
key. (It was checking the authentication key, not the encryption key...)
Fixes: 9d12ba86f818 ("crypto: brcm - Add Broadcom SPU driver")
Cc: <stable@vger.kernel.org> # v4.11+
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig updates from Masahiro Yamada:
- support -y option for merge_config.sh to avoid downgrading =y to =m
- remove S_OTHER symbol type, and touch include/config/*.h files correctly
- fix file name and line number in lexer warnings
- fix memory leak when EOF is encountered in quotation
- resolve all shift/reduce conflicts of the parser
- warn no new line at end of file
- make 'source' statement more strict to take only string literal
- rewrite the lexer and remove the keyword lookup table
- convert to SPDX License Identifier
- compile C files independently instead of including them from zconf.y
- fix various warnings of gconfig
- misc cleanups
* tag 'kconfig-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits)
kconfig: surround dbg_sym_flags with #ifdef DEBUG to fix gconf warning
kconfig: split images.c out of qconf.cc/gconf.c to fix gconf warnings
kconfig: add static qualifiers to fix gconf warnings
kconfig: split the lexer out of zconf.y
kconfig: split some C files out of zconf.y
kconfig: convert to SPDX License Identifier
kconfig: remove keyword lookup table entirely
kconfig: update current_pos in the second lexer
kconfig: switch to ASSIGN_VAL state in the second lexer
kconfig: stop associating kconf_id with yylval
kconfig: refactor end token rules
kconfig: stop supporting '.' and '/' in unquoted words
treewide: surround Kconfig file paths with double quotes
microblaze: surround string default in Kconfig with double quotes
kconfig: use T_WORD instead of T_VARIABLE for variables
kconfig: use specific tokens instead of T_ASSIGN for assignments
kconfig: refactor scanning and parsing "option" properties
kconfig: use distinct tokens for type and default properties
kconfig: remove redundant token defines
kconfig: rename depends_list to comment_option_list
...
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The Kconfig lexer supports special characters such as '.' and '/' in
the parameter context. In my understanding, the reason is just to
support bare file paths in the source statement.
I do not see a good reason to complicate Kconfig for the room of
ambiguity.
The majority of code already surrounds file paths with double quotes,
and it makes sense since file paths are constant string literals.
Make it treewide consistent now.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
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Add support for Arm TrustZone CryptoCell 703.
The 703 is a variant of the CryptoCell 713 that supports only
algorithms certified by the Chinesse Office of the State Commercial
Cryptography Administration (OSCCA).
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for SM3 cipher in CryptoCell 713.
Signed-off-by: Yael Chemla <yael.chemla@foss.arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for SM4 cipher in CryptoCell 713.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for Arm TrustZone CryptoCell 713.
Note that this patch just enables using a 713 in backwards compatible mode
to 712. Newer 713 specific features will follow.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch is an extension to the zcrypt device driver to provide,
support and maintain multiple zcrypt device nodes. The individual
zcrypt device nodes can be restricted in terms of crypto cards,
domains and available ioctls. Such a device node can be used as a
base for container solutions like docker to control and restrict
the access to crypto resources.
The handling is done with a new sysfs subdir /sys/class/zcrypt.
Echoing a name (or an empty sting) into the attribute "create" creates
a new zcrypt device node. In /sys/class/zcrypt a new link will appear
which points to the sysfs device tree of this new device. The
attribute files "ioctlmask", "apmask" and "aqmask" in this directory
are used to customize this new zcrypt device node instance. Finally
the zcrypt device node can be destroyed by echoing the name into
/sys/class/zcrypt/destroy. The internal structs holding the device
info are reference counted - so a destroy will not hard remove a
device but only marks it as removable when the reference counter drops
to zero.
The mask values are bitmaps in big endian order starting with bit 0.
So adapter number 0 is the leftmost bit, mask is 0x8000... The sysfs
attributes accept 2 different formats:
* Absolute hex string starting with 0x like "0x12345678" does set
the mask starting from left to right. If the given string is shorter
than the mask it is padded with 0s on the right. If the string is
longer than the mask an error comes back (EINVAL).
* Relative format - a concatenation (done with ',') of the
terms +<bitnr>[-<bitnr>] or -<bitnr>[-<bitnr>]. <bitnr> may be any
valid number (hex, decimal or octal) in the range 0...255. Here are
some examples:
"+0-15,+32,-128,-0xFF"
"-0-255,+1-16,+0x128"
"+1,+2,+3,+4,-5,-7-10"
A simple usage examples:
# create new zcrypt device 'my_zcrypt':
echo "my_zcrypt" >/sys/class/zcrypt/create
# go into the device dir of this new device
echo "my_zcrypt" >create
cd my_zcrypt/
ls -l
total 0
-rw-r--r-- 1 root root 4096 Jul 20 15:23 apmask
-rw-r--r-- 1 root root 4096 Jul 20 15:23 aqmask
-r--r--r-- 1 root root 4096 Jul 20 15:23 dev
-rw-r--r-- 1 root root 4096 Jul 20 15:23 ioctlmask
lrwxrwxrwx 1 root root 0 Jul 20 15:23 subsystem -> ../../../../class/zcrypt
...
# customize this zcrypt node clone
# enable only adapter 0 and 2
echo "0xa0" >apmask
# enable only domain 6
echo "+6" >aqmask
# enable all 256 ioctls
echo "+0-255" >ioctls
# now the /dev/my_zcrypt may be used
# finally destroy it
echo "my_zcrypt" >/sys/class/zcrypt/destroy
Please note that a very similar 'filtering behavior' also applies to
the parent z90crypt device. The two mask attributes apmask and aqmask
in /sys/bus/ap act the very same for the z90crypt device node. However
the implementation here is totally different as the ap bus acts on
bind/unbind of queue devices and associated drivers but the effect is
still the same. So there are two filters active for each additional
zcrypt device node: The adapter/domain needs to be enabled on the ap
bus level and it needs to be active on the zcrypt device node level.
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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This accelerator is found inside hisilicon hip06 and hip07 SoCs.
Each instance provides a number of queues which feed a different number of
backend acceleration units.
The queues are operating in an out of order mode in the interests of
throughput. The silicon does not do tracking of dependencies between
multiple 'messages' or update of the IVs as appropriate for training.
Hence where relevant we need to do this in software.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This ports the Qcom prng from older hw_random driver.
No change of functionality and move from hw_random to crypto
APIs is done.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for two algorithms in the Inside Secure SafeXcel
cryptographic engine driver: ecb(des) and cbc(des).
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds the MD5 algorithm support to the Inside Secure SafeXcel
cryptographic engine driver.
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for the first AEAD algorithm in the Inside
Secure SafeXcel driver, authenc(hmac(sha256),cbc(aes)). As this is the
first AEAD algorithm added to this driver, common AEAD functions are
added as well.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for the aes-ctr skcipher.
name : ctr(aes)
driver : ctr-aes-ppc4xx
module : crypto4xx
priority : 300
refcnt : 1
selftest : passed
internal : no
type : skcipher
async : yes
blocksize : 16
min keysize : 16
max keysize : 32
ivsize : 16
chunksize : 16
walksize : 16
The hardware uses only the last 32-bits as the counter while the
kernel tests (aes_ctr_enc_tv_template[4] for example) expect that
the whole IV is a counter. To make this work, the driver will
fallback if the counter is going to overlow.
The aead's crypto4xx_setup_fallback() function is renamed to
crypto4xx_aead_setup_fallback.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.
Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.
This simplifies the dependencies, and allows to improve compile-testing.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The blackfin architecture is getting removed, so this
driver won't be used any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for the legacy CryptoCell 630 and 710 revs.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Introduce basic low level Arm TrustZone CryptoCell HW support.
This first patch doesn't actually register any Crypto API
transformations, these will follow up in the next patch.
This first revision supports the CC 712 REE component.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since CRYPTO_SHA384 does not exists, Kconfig should not select it.
Anyway, all SHA384 stuff is in CRYPTO_SHA512 which is already selected.
Fixes: a21eb94fc4d3i ("crypto: axis - add ARTPEC-6/7 crypto accelerator driver")
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for MD5, SHA1, SHA256 hash algorithms for Exynos HW.
It uses the crypto framework asynchronous hash api.
It is based on omap-sham.c driver.
S5P has some HW differencies and is not implemented.
Modifications in s5p-sss:
- Add hash supporting structures and functions.
- Modify irq handler to handle both aes and hash signals.
- Resize resource end in probe if EXYNOS_HASH is enabled in
Kconfig.
- Add new copyright line and new author.
- Tested on Odroid-U3 with Exynos 4412 CPU, kernel 4.13-rc6
with crypto run-time self test testmgr
and with tcrypt module with: modprobe tcrypt sec=1 mode=N
where N=402, 403, 404 (MD5, SHA1, SHA256).
Modifications in drivers/crypto/Kconfig:
- Add new CRYPTO_DEV_EXYNOS_HASH, depend on !EXYNOS_RNG
and CRYPTO_DEV_S5P
- Select sw algorithms MD5, SHA1 and SHA256 in EXYNOS_HASH
as they are needed for fallback.
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Kamil Konieczny <k.konieczny@partner.samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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All defconfigs selecting the old driver have been patched to select
the new one instead. We can now remove the old driver along with the
allhwsupports module parameter in the new driver that was used to
check whether the new driver was allowed to take control of the CESA
engine or not.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch enhances existing interfaces and
functions to support AEAD ciphers in the next
patches.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This is an asynchronous crypto API driver for the accelerator present
in the ARTPEC-6 and -7 SoCs from Axis Communications AB.
The driver supports AES in ECB/CTR/CBC/XTS/GCM modes and SHA1/2 hash
standards.
Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The CCP device is part of the AMD Secure Processor. In order to expand
the usage of the AMD Secure Processor, create a framework that allows
functional components of the AMD Secure Processor to be initialized and
handled appropriately.
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Acked-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add ECDH support for ATECC508A (I2C) device.
The device features hardware acceleration for the NIST standard
P256 prime curve and supports the complete key life cycle from
private key generation to ECDH key agreement.
Random private key generation is supported internally within
the device to ensure that the private key can never be known
outside of the device. If the user wants to use its own private
keys, the driver will fallback to the ecdh software implementation.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The Security System has a PRNG, this patch adds support for it via
crypto_rng.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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SPU driver is dependent on generic MAILBOX API's to
communicate with underlying DMA engine driver.
So this patch removes BCM_PDC_MBOX "depends on" for SPU driver
in Kconfig and adds MAILBOX as dependent module.
Fixes: 9d12ba86f818 ("crypto: brcm - Add Broadcom SPU driver")
Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.com>
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"Algorithms:
- add private key generation to ecdh
Drivers:
- add generic gcm(aes) to aesni-intel
- add SafeXcel EIP197 crypto engine driver
- add ecb(aes), cfb(aes) and ecb(des3_ede) to cavium
- add support for CNN55XX adapters in cavium
- add ctr mode to chcr
- add support for gcm(aes) to omap"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (140 commits)
crypto: testmgr - Reenable sha1/aes in FIPS mode
crypto: ccp - Release locks before returning
crypto: cavium/nitrox - dma_mapping_error() returns bool
crypto: doc - fix typo in docs
Documentation/bindings: Document the SafeXel cryptographic engine driver
crypto: caam - fix gfp allocation flags (part II)
crypto: caam - fix gfp allocation flags (part I)
crypto: drbg - Fixes panic in wait_for_completion call
crypto: caam - make of_device_ids const.
crypto: vmx - remove unnecessary check
crypto: n2 - make of_device_ids const
crypto: inside-secure - use the base_end pointer in ring rollback
crypto: inside-secure - increase the batch size
crypto: inside-secure - only dequeue when needed
crypto: inside-secure - get the backlog before dequeueing the request
crypto: inside-secure - stop requeueing failed requests
crypto: inside-secure - use one queue per hw ring
crypto: inside-secure - update the context and request later
crypto: inside-secure - align the cipher and hash send functions
crypto: inside-secure - optimize DSE bufferability control
...
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The s390_paes and the s390_aes kernel module used just one
config symbol CONFIG_CRYPTO_AES. As paes has a dependency
to PKEY and this requires ZCRYPT the aes module also had
a dependency to the zcrypt device driver which is not true.
Fixed by introducing a new config symbol CONFIG_CRYPTO_PAES
which has dependencies to PKEY and ZCRYPT. Removed the
dependency for the aes module to ZCRYPT.
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add Physical Function driver support for CNN55XX crypto adapters.
CNN55XX adapters belongs to Cavium NITROX family series,
which accelerate both Symmetric and Asymmetric crypto workloads.
These adapters have crypto engines that need firmware
to become operational.
Signed-off-by: Srikanth Jampala <Jampala.Srikanth@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add support for Inside Secure SafeXcel EIP197 cryptographic engine,
which can be found on Marvell Armada 7k and 8k boards. This driver
currently implements: ecb(aes), cbc(aes), sha1, sha224, sha256 and
hmac(sah1) algorithms.
Two firmwares are needed for this engine to work. Their are mostly used
for more advanced operations than the ones supported (as of now), but we
still need them to pass the data to the internal cryptographic engine.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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OMAP AES hw supports AES-GCM mode. This patch adds support for GCM and
RFC4106 GCM mode in omap-aes driver. The GCM implementation is mostly
written into its own source file, which gets built into the same driver
binary as the existing AES support.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[t-kristo@ti.com: forward port to latest upstream kernel, conversion to use
omap-crypto lib and some additional fixes]
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This contains the generic APIs for aligning SG buffers.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Replace existing hw_ranndom/exynos-rng driver with a new, reworked one.
This is a driver for pseudo random number generator block which on
Exynos4 chipsets must be seeded with some value. On newer Exynos5420
chipsets it might seed itself from true random number generator block
but this is not implemented yet.
New driver is a complete rework to use the crypto ALGAPI instead of
hw_random API. Rationale for the change:
1. hw_random interface is for true RNG devices.
2. The old driver was seeding itself with jiffies which is not a
reliable source for randomness.
3. Device generates five random 32-bit numbers in each pass but old
driver was returning only one 32-bit number thus its performance was
reduced.
Compatibility with DeviceTree bindings is preserved.
New driver does not use runtime power management but manually enables
and disables the clock when needed. This is preferred approach because
using runtime PM just to toggle clock is huge overhead.
Another difference is reseeding itself with generated random data
periodically and during resuming from system suspend (previously driver
was re-seeding itself again with jiffies).
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Stephan Müller <smueller@chronox.de>
Reviewed-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This module registers a CRC32 ("Ethernet") and a CRC32C (Castagnoli)
algorithm that make use of the STMicroelectronics STM32 crypto hardware.
Theses algorithms are compatible with the little-endian generic ones.
Both algorithms use ~0 as default seed (key).
With CRC32C the output is xored with ~0.
Using TCRYPT CRC32C speed test, this shows up to 900% speedup compared
to the crc32c-generic algorithm.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add a driver for the ZIP engine found on Cavium ThunderX SOCs.
The ZIP engine supports hardware accelerated compression and
decompression. It includes 2 independent ZIP cores and supports:
- DEFLATE compression and decompression (RFC 1951)
- LZS compression and decompression (RFC 2395 and ANSI X3.241-1994)
- ADLER32 and CRC32 checksums for ZLIB (RFC 1950) and GZIP (RFC 1952)
The ZIP engine is presented as a PCI device. It supports DMA and
scatter-gather.
Signed-off-by: Mahipal Challa <Mahipal.Challa@cavium.com>
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
- vmalloc stack regression in CCM
- Build problem in CRC32 on ARM
- Memory leak in cavium
- Missing Kconfig dependencies in atmel and mediatek
- XTS Regression on some platforms (s390 and ppc)
- Memory overrun in CCM test vector
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: vmx - Use skcipher for xts fallback
crypto: vmx - Use skcipher for cbc fallback
crypto: testmgr - Pad aes_ccm_enc_tv_template vector
crypto: arm/crc32 - add build time test for CRC instruction support
crypto: arm/crc32 - fix build error with outdated binutils
crypto: ccm - move cbcmac input off the stack
crypto: xts - Propagate NEED_FALLBACK bit
crypto: api - Add crypto_requires_off helper
crypto: atmel - CRYPTO_DEV_MEDIATEK should depend on HAS_DMA
crypto: atmel - CRYPTO_DEV_ATMEL_TDES and CRYPTO_DEV_ATMEL_SHA should depend on HAS_DMA
crypto: cavium - fix leak on curr if curr->head fails to be allocated
crypto: cavium - Fix couple of static checker errors
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Martin Schwidefsky:
"Next to the usual bug fixes (including the TASK_SIZE fix), there is
one larger crypto item. It allows to use protected keys with the
in-kernel crypto API
The protected key support has two parts, the pkey user space API to
convert key formats and the paes crypto module that uses a protected
key instead of a standard AES key"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: TASK_SIZE for kernel threads
s390/crypt: Add protected key AES module
s390/dasd: fix spelling mistake: "supportet" -> "supported"
s390/pkey: Introduce pkey kernel module
s390/zcrypt: export additional symbols
s390/zcrypt: Rework CONFIG_ZCRYPT Kconfig text.
s390/zcrypt: Cleanup leftover module code.
s390/nmi: purge tlbs after control register validation
s390/nmi: fix order of register validation
s390/crypto: Add PCKMO inline function
s390/zcrypt: Enable request count reset for cards and queues.
s390/mm: use _SEGMENT_ENTRY_EMPTY in the code
s390/chsc: Add exception handler for CHSC instruction
s390: opt into HAVE_COPY_THREAD_TLS
s390: restore address space when returning to user space
s390: rename CIF_ASCE to CIF_ASCE_PRIMARY
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If NO_DMA=y:
ERROR: "bad_dma_ops" [drivers/crypto/mediatek/mtk-crypto.ko] undefined!
Add a dependency on HAS_DMA to fix this.
Fixes: 7dee9f618790d0b7 ("crypto: mediatek - remove ARM dependencies")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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on HAS_DMA
If NO_DMA=y:
ERROR: "bad_dma_ops" [drivers/crypto/atmel-tdes.ko] undefined!
ERROR: "bad_dma_ops" [drivers/crypto/atmel-sha.ko] undefined!
Add dependencies on HAS_DMA to fix this.
Fixes: ceb4afb3086ab08f ("crypto: atmel - refine Kconfig dependencies")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch introduces a new in-kernel-crypto blockcipher
called 'paes' which implements AES with protected keys.
The paes blockcipher can be used similar to the aes
blockcipher but uses secure key material to derive the
working protected key and so offers an encryption
implementation where never a clear key value is exposed
in memory.
The paes module is only available for the s390 platform
providing a minimal hardware support of CPACF enabled
with at least MSA level 3. Upon module initialization
these requirements are checked.
Includes additional contribution from Harald Freudenberger.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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This patch introcudes a new kernel module pkey which is providing
protected key handling and management functions. The pkey API is
available within the kernel for other s390 specific code to create
and manage protected keys. Additionally the functions are exported
to user space via IOCTL calls. The implementation makes extensive
use of functions provided by the zcrypt device driver. For
generating protected keys from secure keys there is also a CEX
coprocessor card needed.
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The CONFIG_ZCRYPT Kconfig entry in drivers/crypto showed
outdated hardware whereas the latest cards where missing.
Reworked the text to reflect the current abilities of the
zcrypt device driver.
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add Broadcom Secure Processing Unit (SPU) crypto driver for SPU
hardware crypto offload. The driver supports ablkcipher, ahash,
and aead symmetric crypto operations.
Signed-off-by: Steve Lin <steven.lin1@broadcom.com>
Signed-off-by: Rob Rice <rob.rice@broadcom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add the CPT options in crypto Kconfig and update the
crypto Makefile
Update the MAINTAINERS file too.
Signed-off-by: George Cherian <george.cherian@cavium.com>
Reviewed-by: David Daney <david.daney@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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With the new authenc support, we get a harmless Kconfig warning:
warning: (CRYPTO_DEV_ATMEL_AUTHENC) selects CRYPTO_DEV_ATMEL_SHA which has unmet direct dependencies (CRYPTO && CRYPTO_HW && ARCH_AT91)
The problem is that each of the options has slightly different dependencies,
although they all seem to want the same thing: allow building for real AT91
targets that actually have the hardware, and possibly for compile testing.
This makes all four options consistent: instead of depending on a particular
dmaengine implementation, we depend on the ARM platform, CONFIG_COMPILE_TEST
as an alternative when that is turned off. This makes the 'select' statements
work correctly.
Fixes: 89a82ef87e01 ("crypto: atmel-authenc - add support to authenc(hmac(shaX), Y(aes)) modes")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patchs allows to combine the AES and SHA hardware accelerators on
some Atmel SoCs. Doing so, AES blocks are only written to/read from the
AES hardware. Those blocks are also transferred from the AES to the SHA
accelerator internally, without additionnal accesses to the system busses.
Hence, the AES and SHA accelerators work in parallel to process all the
data blocks, instead of serializing the process by (de)crypting those
blocks first then authenticating them after like the generic
crypto/authenc.c driver does.
Of course, both the AES and SHA hardware accelerators need to be available
before we can start to process the data blocks. Hence we use their crypto
request queue to synchronize both drivers.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support to the GCM mode.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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