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Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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- unindented continue
- check for null page
- signed return
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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skb dereferenced before check in sendpage
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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address suspicious code <gustavo@embeddedor.com>
1210 set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
1211 }
The issue is that in the code above, set_bit is never reached
due to the 'continue' statement at line 1208.
Also reported by bug report:<dan.carpenter@oracle.com>
1210 set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Not reachable.
Its required to wait for buffer in the send path and takes care of
unaddress and un-handled SOCK_NOSPACE.
v2: use csk_mem_free where appropriate
proper indent of goto do_nonblock
replace out with do_rm_wq
Reported-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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corrected the key length to copy 128b key. Removed 192b and 256b
key as user input supports key of size 128b in gcm_ctx
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The GET_ID command, added as of SEV API v0.16, allows the SEV firmware
to be queried about a unique CPU ID. This unique ID can then be used
to obtain the public certificate containing the Chip Endorsement Key
(CEK) public key signed by the AMD SEV Signing Key (ASK).
For more information please refer to "Section 5.12 GET_ID" of
https://support.amd.com/TechDocs/55766_SEV-KM%20API_Specification.pdf
Signed-off-by: Janakarajan Natarajan <Janakarajan.Natarajan@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The DOWNLOAD_FIRMWARE command, added as of SEV API v0.15, allows the OS
to install SEV firmware newer than the currently active SEV firmware.
For the new SEV firmware to be applied it must:
* Pass the validation test performed by the existing firmware.
* Be of the same build or a newer build compared to the existing firmware.
For more information please refer to "Section 5.11 DOWNLOAD_FIRMWARE" of
https://support.amd.com/TechDocs/55766_SEV-KM%20API_Specification.pdf
Signed-off-by: Janakarajan Natarajan <Janakarajan.Natarajan@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Conor McLoughlin <conor.mcloughlin@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The cache parameter register configuration was being too verbose.
Use dev_dbg() to only provide the information if needed.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use managed clock handling, differentiate between no clock (possibly OK)
and clock init failure (never OK) and correctly handle clock detection
being deferred.
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The product signature and HW revision register have different offset on the
older HW revisions.
This fixes the problem of the driver failing sanity check on silicon
despite working on the FPGA emulation systems.
Fixes: 27b3b22dd98c ("crypto: ccree - add support for older HW revs")
Cc: stable@vger.kernel.org
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Extends memory required for IV to include B0 Block and DMA map in
single operation.
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Send IV in WR as immediate instead of dma mapped entry for cipher.
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Change the return type based on following patch
https://www.mail-archive.com/linux-crypto@vger.kernel.org/msg28552.html
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Coverity warns about an
"Unintentional integer overflow (OVERFLOW_BEFORE_WIDEN)"
when computing the congestion threshold value.
Even though it is highly unlikely for an overflow to happen,
use this as an opportunity to simplify the code.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In some cases the CCB DMA-based internal transfer started by the MOVE
command (src=M3 register, dst=descriptor buffer) does not finish
in time and DECO executes the unpatched descriptor.
This leads eventually to a DECO Watchdog Timer timeout error.
To make sure the transfer ends, change the MOVE command to be blocking.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Management Complex (MC) f/w detection is based on CTPR_MS[DPAA2] bit.
This is incorrect since:
-the bit is set for all CAAM blocks integrated in SoCs with a certain
Layerscape Chassis
-some SoCs with LS Chassis don't have an MC block (thus no MC f/w)
To fix this, MC f/w detection will be based on the presence of
"fsl,qoriq-mc" compatible string in the device tree.
Fixes: 297b9cebd2fc0 ("crypto: caam/jr - add support for DPAA2 parts")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Several source files have been taken from OpenSSL. In some of them a
comment that "permission to use under GPL terms is granted" was
included below a contradictory license statement. In several cases,
there was no indication that the license of the code was compatible
with the GPLv2.
This change clarifies the licensing for all of these files. I've
confirmed with the author (Andy Polyakov) that a) he has licensed the
files with the GPLv2 comment under that license and b) that he's also
happy to license the other files under GPLv2 too. In one case, the
file is already contained in his CRYPTOGAMS bundle, which has a GPLv2
option, and so no special measures are needed.
In all cases, the license status of code has been clarified by making
the GPLv2 license prominent.
The .S files have been regenerated from the updated .pl files.
This is a comment-only change. No code is changed.
Signed-off-by: Adam Langley <agl@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In do_chtls_setsockopt(), the tls crypto info is first copied from the
poiner 'optval' in userspace and saved to 'tmp_crypto_info'. Then the
'version' of the crypto info is checked. If the version is not as expected,
i.e., TLS_1_2_VERSION, error code -ENOTSUPP is returned to indicate that
the provided crypto info is not supported yet. Then, the 'cipher_type'
field of the 'tmp_crypto_info' is also checked to see if it is
TLS_CIPHER_AES_GCM_128. If it is, the whole struct of
tls12_crypto_info_aes_gcm_128 is copied from the pointer 'optval' and then
the function chtls_setkey() is invoked to set the key.
Given that the 'optval' pointer resides in userspace, a malicious userspace
process can race to change the data pointed by 'optval' between the two
copies. For example, a user can provide a crypto info with TLS_1_2_VERSION
and TLS_CIPHER_AES_GCM_128. After the first copy, the user can modify the
'version' and the 'cipher_type' fields to any versions and/or cipher types
that are not allowed. This way, the user can bypass the checks, inject
bad data to the kernel, cause chtls_setkey() to set a wrong key or other
issues.
This patch reuses the data copied in the first try so as to ensure these
checks will not be bypassed.
Signed-off-by: Wenwen Wang <wang6495@umn.edu>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds the authenc(hmac(sha1),cbc(aes)) AEAD algorithm
support to the Inside Secure SafeXcel driver.
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 authenc(hmac(sha224),cbc(aes)) AEAD algorithm
support to the Inside Secure SafeXcel driver.
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 improves the error reporting from the Inside Secure driver to
the upper layers and crypto consumers. All errors reported by the engine
aren't fatal, and some may be genuine.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This commit fixes the CONTEXT_CONTROL_TYPE_HASH_ENCRYPT_OUT and
CONTEXT_CONTROL_TYPE_HASH_DECRYPT_OUT types by assigning the right
value, and by renaming CONTEXT_CONTROL_TYPE_HASH_DECRYPT_OUT to
CONTEXT_CONTROL_TYPE_HASH_DECRYPT_IN.
This is not submitted as a fix for older kernel versions as these two
defines weren't used back then.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patches makes the key and context size computation dynamic when
using memzero_explicit() on these two arrays. This is safer, cleaner and
will help future modifications of the driver when these two parameters
sizes will changes (the context size will be bigger when using AEAD
algorithms).
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 makes the context control size computation dynamic, not to
rely on hardcoded values. This is better for the future, and will help
adding the AEAD support.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patches reworks the way the algorithm type is set in the context,
by using the fact that the decryption algorithms are just a combination
of the algorithm encryption type and CONTEXT_CONTROL_TYPE_NULL_IN.
This will help having simpler code when adding the AEAD support, to
avoid ending up with an endless switch case block.
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 reworks the Inside Secure cipher functions, to remove all
skcipher specific information and structure from all functions generic
enough to be shared between skcipher and aead algorithms.
This is a cosmetic only patch.
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 removes the use of VLAs to allocate requests on the stack, by
removing both SKCIPHER_REQUEST_ON_STACK and AHASH_REQUEST_ON_STACK. As
we still need to allocate requests on the stack to ease the creation of
invalidation requests a new, non-VLA, definition is used:
EIP197_REQUEST_ON_STACK.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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removed redundant check and made TLS PDU and header recv
handling common as received from HW.
Ensure that only tls header is read in cpl_rx_tls_cmp
read-ahead and skb is freed when entire data is processed.
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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-Tx request and data is copied to HW Q in 64B desc, check for
end of queue and adjust the current position to start from
beginning before passing the additional request info.
-key context copy should check key length only
-Few reverse christmas tree correction
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Trivial fix to spelling mistake in CSB_ERR error message text
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In p8_aes_xts_init() we do a printk(KERN_INFO ...) to report the
fallback implementation we're using. However with a slow console this
can significantly affect the speed of crypto operations. So remove it.
Fixes: c07f5d3da643 ("crypto: vmx - Adding support for XTS")
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In the vmx AES init routines we do a printk(KERN_INFO ...) to report
the fallback implementation we're using.
However with a slow console this can significantly affect the speed of
crypto operations. Using 'cryptsetup benchmark' the removal of the
printk() leads to a ~5x speedup for aes-cbc decryption.
So remove them.
Fixes: 8676590a1593 ("crypto: vmx - Adding AES routines for VMX module")
Fixes: 8c755ace357c ("crypto: vmx - Adding CBC routines for VMX module")
Fixes: 4f7f60d312b3 ("crypto: vmx - Adding CTR routines for VMX module")
Fixes: cc333cd68dfa ("crypto: vmx - Adding GHASH routines for VMX module")
Cc: stable@vger.kernel.org # v4.1+
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix a typo where size of RSA prime factor q is using the size of
prime factor p.
Cc: <stable@vger.kernel.org> # 4.13+
Fixes: 52e26d77b8b3 ("crypto: caam - add support for RSA key form 2")
Fixes: 4a651b122adb ("crypto: caam - add support for RSA key form 3")
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix incorrect use of %pad as a printk format string for none dma_addr_t
variable.
Discovered via smatch.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Enable CryptoCell support for hardware keys.
Hardware keys are regular AES keys loaded into CryptoCell internal memory
via firmware, often from secure boot ROM or hardware fuses at boot time.
As such, they can be used for enc/dec purposes like any other key but
cannot (read: extremely hard to) be extracted since since they are not
available anywhere in RAM during runtime.
The mechanism has some similarities to s390 secure keys although the keys
are not wrapped or sealed, but simply loaded offline. The interface was
therefore modeled based on the s390 secure keys support.
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 fixes a crash that happens when testing rfc4543(gcm(aes))
Unable to handle kernel paging request for data at address 0xf59b3420
Faulting instruction address: 0xc0012994
Oops: Kernel access of bad area, sig: 11 [#1]
BE PowerPC 44x Platform
Modules linked in: tcrypt(+) crypto4xx [...]
CPU: 0 PID: 0 Comm: swapper Tainted: G O 4.17.0-rc1+ #23
NIP: c0012994 LR: d3077934 CTR: 06026d49
REGS: cfff7e30 TRAP: 0300 Tainted: G O (4.17.0-rc1+)
MSR: 00029000 <CE,EE,ME> CR: 44744822 XER: 00000000
DEAR: f59b3420 ESR: 00000000
NIP [c0012994] __dma_sync+0x58/0x10c
LR [d3077934] crypto4xx_bh_tasklet_cb+0x188/0x3c8 [crypto4xx]
__dma_sync was fed the temporary _dst that crypto4xx_build_pd()
had in it's function stack. This clearly never worked.
This patch therefore overhauls the code from the original driver
and puts the temporary dst sg list into aead's request context.
Fixes: a0aae821ba3d3 ("crypto: crypto4xx - prepare for AEAD support")
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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1020 bytes is the limit for associated data. Any more
and it will no longer fit into hash_crypto_offset anymore.
The hardware will not process aead requests with plaintext
that have less than AES_BLOCK_SIZE bytes. When decrypting
aead requests the authsize has to be taken in account as
well, as it is part of the cryptlen. Otherwise the hardware
will think it has been misconfigured and will return:
aead return err status = 0x98
For rtc4543(gcm(aes)), the hardware has a dedicated GMAC
mode as part of the hash function set.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes cts(cbc(aes)) test when cbc-aes-ppc4xx is used.
alg: skcipher: Test 1 failed (invalid result) on encryption for cts(cbc-aes-ppc4xx)
00000000: 4b 10 75 fc 2f 14 1b 6a 27 35 37 33 d1 b7 70 05
00000010: 97
alg: skcipher: Failed to load transform for cts(cbc(aes)): -2
The CTS cipher mode expect the IV (req->iv) of skcipher_request
to contain the last ciphertext block after the {en,de}crypt
operation is complete.
Fix this issue for the AMCC Crypto4xx hardware engine.
The tcrypt test case for cts(cbc(aes)) is now correctly passed.
name : cts(cbc(aes))
driver : cts(cbc-aes-ppc4xx)
module : cts
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
Signed-off-by: Christian Lamparter <chunkeey@gmail.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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This patch fixes some of the -Wvla warnings.
crypto4xx_alg.c:83:19: warning: Variable length array is used.
crypto4xx_alg.c:273:56: warning: Variable length array is used.
crypto4xx_alg.c:380:32: warning: Variable length array is used.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The ablkcipher APIs have been effectively deprecated since [1].
This patch converts the crypto4xx driver to the new skcipher APIs.
[1] <https://www.spinics.net/lists/linux-crypto/msg18133.html>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch provides a cheap 2MiB/s+ (~ 6%) performance
improvement over the current code. This is because the
compiler can now optimize several endian swap memcpy.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch fixes the clang warning of extraneous parentheses, with the
following coccinelle script.
@@
identifier i;
constant c;
expression e;
@@
(
!((e))
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-((
\(i == c\|i != c\|i <= c\|i < c\|i >= c\|i > c\)
-))
)
Signed-off-by: Varsha Rao <rvarsha016@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fixes: 8043bb1ae03cb ("crypto: omap-sham - convert driver logic to use sgs for data xmit")
The memory pages freed in omap_sham_finish_req() were less than those
allocated in omap_sham_copy_sgs().
Cc: stable@vger.kernel.org
Signed-off-by: Bin Liu <b-liu@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.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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Use kmemdup() rather than duplicating its implementation.
By usign kmemdup() we can also get rid of the 'val' variable.
Detected with Coccinelle script.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Sometimes the provided RSA input buffer provided is not stripped
of leading zeros. This could cause its size to be bigger than that
of the modulus, making the HW complain:
caam_jr 2142000.jr1: 40000789: DECO: desc idx 7:
Protocol Size Error - A protocol has seen an error in size. When
running RSA, pdb size N < (size of F) when no formatting is used; or
pdb size N < (F + 11) when formatting is used.
Fix the problem by stripping off the leading zero from input data
before feeding it to the CAAM accelerator.
Fixes: 8c419778ab57e ("crypto: caam - add support for RSA algorithm")
Cc: <stable@vger.kernel.org> # 4.8+
Reported-by: Martin Townsend <mtownsend1973@gmail.com>
Link: https://lkml.kernel.org/r/CABatt_ytYORYKtApcB4izhNanEKkGFi9XAQMjHi_n-8YWoCRiw@mail.gmail.com
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Tested-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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