- 28 Sep, 2018 27 commits
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Jamie Iles <jamie@jamieiles.com> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by:
Kees Cook <keescook@chromium.org> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au>
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.comSigned-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.comSigned-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Harsh Jain <harsh@chelsio.com> Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Lars Persson <lars.persson@axis.com> Cc: linux-arm-kernel@axis.com Signed-off-by:
Lars Persson <lars.persson@axis.com> Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Himanshu Jha <himanshujha199640@gmail.com> Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.comSigned-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.comSigned-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.comSigned-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: "Leonidas S. Barbosa" <leosilva@linux.vnet.ibm.com> Cc: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Gary Hook <gary.hook@amd.com> Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Felipe Balbi <felipe.balbi@linux.intel.com> Cc: Johan Hovold <johan@kernel.org> Cc: "Gustavo A. R. Silva" <gustavo@embeddedor.com> Cc: linux-usb@vger.kernel.org Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: David Howells <dhowells@redhat.com> Cc: linux-afs@lists.infradead.org Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Paul Mackerras <paulus@samba.org> Cc: linux-ppp@vger.kernel.org Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Ilya Dryomov <idryomov@gmail.com> Cc: "Yan, Zheng" <zyan@redhat.com> Cc: Sage Weil <sage@redhat.com> Cc: ceph-devel@vger.kernel.org Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Jens Axboe <axboe@kernel.dk> Cc: linux-block@vger.kernel.org Signed-off-by:
Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: x86@kernel.org Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux-s390@vger.kernel.org Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Alexander Aring <alex.aring@gmail.com> Cc: Stefan Schmidt <stefan@datenfreihafen.org> Cc: linux-wpan@vger.kernel.org Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Johannes Berg <johannes@sipsolutions.net> Cc: linux-wireless@vger.kernel.org Signed-off-by:
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Kees Cook authored
In the quest to remove all stack VLA usage from the kernel[1], this replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(), which uses a fixed stack size. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Cc: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: Anna Schumaker <anna.schumaker@netapp.com> Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Jeff Layton <jlayton@kernel.org> Cc: YueHaibing <yuehaibing@huawei.com> Cc: linux-nfs@vger.kernel.org Signed-off-by:
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Kees Cook authored
In preparation for removal of VLAs due to skcipher requests on the stack via SKCIPHER_REQUEST_ON_STACK() usage, this introduces the infrastructure for the "sync skcipher" tfm, which is for handling the on-stack cases of skcipher, which are always non-ASYNC and have a known limited request size. The crypto API additions: struct crypto_sync_skcipher (wrapper for struct crypto_skcipher) crypto_alloc_sync_skcipher() crypto_free_sync_skcipher() crypto_sync_skcipher_setkey() crypto_sync_skcipher_get_flags() crypto_sync_skcipher_set_flags() crypto_sync_skcipher_clear_flags() crypto_sync_skcipher_blocksize() crypto_sync_skcipher_ivsize() crypto_sync_skcipher_reqtfm() skcipher_request_set_sync_tfm() SYNC_SKCIPHER_REQUEST_ON_STACK() (with tfm type check) Signed-off-by:
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Dan Aloni authored
The encryption mode of pkcs1pad never uses out_sg and out_buf, so there's no need to allocate the buffer, which presently is not even being freed. CC: Herbert Xu <herbert@gondor.apana.org.au> CC: linux-crypto@vger.kernel.org CC: "David S. Miller" <davem@davemloft.net> Signed-off-by:
Dan Aloni <dan@kernelim.com> Signed-off-by:
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Christoph Manszewski authored
Add support for aes counter(ctr) block cipher mode of operation for Exynos Hardware. In contrast to ecb and cbc modes, aes-ctr allows encyption/decryption for request sizes not being a multiple of 16(bytes). Hardware requires block sizes being a multiple of 16(bytes). In order to achieve this, copy request source and destination memory, and align it's size to 16. That way hardware processes additional bytes, that are omitted when copying the result back to its original destination. Tested on Odroid-U3 with Exynos 4412 CPU, kernel 4.19-rc2 with crypto run-time self test testmgr. Signed-off-by:
Christoph Manszewski <c.manszewski@samsung.com> Reviewed-by:
Krzysztof Kozlowski <krzk@kernel.org> Acked-by:
Kamil Konieczny <k.konieczny@partner.samsung.com> Signed-off-by:
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Christoph Manszewski authored
Modifications in s5p-sss.c: - remove unnecessary 'goto' statements (making code shorter), - change uint_8 and uint_32 to u8 and u32 types (for consistency in the driver and making code shorter), Signed-off-by:
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Christoph Manszewski authored
Fix misalignment of continued argument list. Signed-off-by:
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Christoph Manszewski authored
Remove a race condition introduced by error path in functions: s5p_aes_interrupt and s5p_aes_crypt_start. Setting the busy field of struct s5p_aes_dev to false made it possible for s5p_tasklet_cb to change the req field, before s5p_aes_complete was called. Change the first parameter of s5p_aes_complete to struct ablkcipher_request. Before spin_unlock, make a copy of the currently handled request, to ensure s5p_aes_complete function call with the correct request. Signed-off-by:
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- 21 Sep, 2018 13 commits
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Stefan Agner authored
The table id (second) argument to MODULE_DEVICE_TABLE is often referenced otherwise. This is not the case for CPU features. This leads to a warning when building the kernel with Clang: arch/arm/crypto/crc32-ce-glue.c:239:33: warning: variable 'crc32_cpu_feature' is not needed and will not be emitted [-Wunneeded-internal-declaration] static const struct cpu_feature crc32_cpu_feature[] = { ^ Avoid warnings by using __maybe_unused, similar to commit 1f318a8b ("modules: mark __inittest/__exittest as __maybe_unused"). Fixes: 2a9faf8b ("crypto: arm/crc32 - enable module autoloading based on CPU feature bits") Signed-off-by:Stefan Agner <stefan@agner.ch> Acked-by:
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Stefan Agner authored
The table id (second) argument to MODULE_DEVICE_TABLE is often referenced otherwise. This is not the case for CPU features. This leads to warnings when building the kernel with Clang: arch/arm/crypto/aes-ce-glue.c:450:1: warning: variable 'cpu_feature_match_AES' is not needed and will not be emitted [-Wunneeded-internal-declaration] module_cpu_feature_match(AES, aes_init); ^ Avoid warnings by using __maybe_unused, similar to commit 1f318a8b ("modules: mark __inittest/__exittest as __maybe_unused"). Fixes: 67bad2fd ("cpu: add generic support for CPU feature based module autoloading") Signed-off-by: -
Janakarajan Natarajan authored
During PSP initialization, there is an attempt to update the SEV firmware by looking in /lib/firmware/amd/. Currently, sev.fw is the expected name of the firmware blob. This patch will allow for firmware filenames based on the family and model of the processor. Model specific firmware files are given highest priority. Followed by firmware for a subset of models. Lastly, failing the previous two options, fallback to looking for sev.fw. Signed-off-by:
Janakarajan Natarajan <Janakarajan.Natarajan@amd.com> Reviewed-by:
Tom Lendacky <thomas.lendacky@amd.com> Acked-by:
Gary R Hook <gary.hook@amd.com> Signed-off-by:
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Janakarajan Natarajan authored
Under certain configuration SEV functions can be defined as no-op. In such a case error can be uninitialized. Initialize the variable to 0. Cc: Dan Carpenter <Dan.Carpenter@oracle.com> Reported-by:
Dan Carpenter <Dan.Carpenter@oracle.com> Signed-off-by:
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Ondrej Mosnacek authored
This patch simplifies the LRW template to recompute the LRW tweaks from scratch in the second pass and thus also removes the need to allocate a dynamic buffer using kmalloc(). As discussed at [1], the use of kmalloc causes deadlocks with dm-crypt. PERFORMANCE MEASUREMENTS (x86_64) Performed using: https://gitlab.com/omos/linux-crypto-bench Crypto driver used: lrw(ecb-aes-aesni) The results show that the new code has about the same performance as the old code. For 512-byte message it seems to be even slightly faster, but that might be just noise. Before: ALGORITHM KEY (b) DATA (B) TIME ENC (ns) TIME DEC (ns) lrw(aes) 256 64 200 203 lrw(aes) 320 64 202 204 lrw(aes) 384 64 204 205 lrw(aes) 256 512 415 415 lrw(aes) 320 512 432 440 lrw(aes) 384 512 449 451 lrw(aes) 256 4096 1838 1995 lrw(aes) 320 4096 2123 1980 lrw(aes) 384 4096 2100 2119 lrw(aes) 256 16384 7183 6954 lrw(aes) 320 16384 7844 7631 lrw(aes) 384 16384 8256 8126 lrw(aes) 256 32768 14772 14484 lrw(aes) 320 32768 15281 15431 lrw(aes) 384 32768 16469 16293 After: ALGORITHM KEY (b) DATA (B) TIME ENC (ns) TIME DEC (ns) lrw(aes) 256 64 197 196 lrw(aes) 320 64 200 197 lrw(aes) 384 64 203 199 lrw(aes) 256 512 385 380 lrw(aes) 320 512 401 395 lrw(aes) 384 512 415 415 lrw(aes) 256 4096 1869 1846 lrw(aes) 320 4096 2080 1981 lrw(aes) 384 4096 2160 2109 lrw(aes) 256 16384 7077 7127 lrw(aes) 320 16384 7807 7766 lrw(aes) 384 16384 8108 8357 lrw(aes) 256 32768 14111 14454 lrw(aes) 320 32768 15268 15082 lrw(aes) 384 32768 16581 16250 [1] https://lkml.org/lkml/2018/8/23/1315Signed-off-by:
Ondrej Mosnacek <omosnace@redhat.com> Signed-off-by:
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Ondrej Mosnacek authored
This patch rewrites the tweak computation to a slightly simpler method that performs less bswaps. Based on performance measurements the new code seems to provide slightly better performance than the old one. PERFORMANCE MEASUREMENTS (x86_64) Performed using: https://gitlab.com/omos/linux-crypto-bench Crypto driver used: lrw(ecb-aes-aesni) Before: ALGORITHM KEY (b) DATA (B) TIME ENC (ns) TIME DEC (ns) lrw(aes) 256 64 204 286 lrw(aes) 320 64 227 203 lrw(aes) 384 64 208 204 lrw(aes) 256 512 441 439 lrw(aes) 320 512 456 455 lrw(aes) 384 512 469 483 lrw(aes) 256 4096 2136 2190 lrw(aes) 320 4096 2161 2213 lrw(aes) 384 4096 2295 2369 lrw(aes) 256 16384 7692 7868 lrw(aes) 320 16384 8230 8691 lrw(aes) 384 16384 8971 8813 lrw(aes) 256 32768 15336 15560 lrw(aes) 320 32768 16410 16346 lrw(aes) 384 32768 18023 17465 After: ALGORITHM KEY (b) DATA (B) TIME ENC (ns) TIME DEC (ns) lrw(aes) 256 64 200 203 lrw(aes) 320 64 202 204 lrw(aes) 384 64 204 205 lrw(aes) 256 512 415 415 lrw(aes) 320 512 432 440 lrw(aes) 384 512 449 451 lrw(aes) 256 4096 1838 1995 lrw(aes) 320 4096 2123 1980 lrw(aes) 384 4096 2100 2119 lrw(aes) 256 16384 7183 6954 lrw(aes) 320 16384 7844 7631 lrw(aes) 384 16384 8256 8126 lrw(aes) 256 32768 14772 14484 lrw(aes) 320 32768 15281 15431 lrw(aes) 384 32768 16469 16293 Signed-off-by:
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Ondrej Mosnacek authored
This patch adds a test vector for lrw(aes) that triggers wrap-around of the counter, which is a tricky corner case. Suggested-by:
Eric Biggers <ebiggers@kernel.org> Signed-off-by:
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Ondrej Mosnacek authored
When the LRW block counter overflows, the current implementation returns 128 as the index to the precomputed multiplication table, which has 128 entries. This patch fixes it to return the correct value (127). Fixes: 64470f1b ("[CRYPTO] lrw: Liskov Rivest Wagner, a tweakable narrow block cipher mode") Cc: <stable@vger.kernel.org> # 2.6.20+ Reported-by:
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Horia Geantă authored
ghash is a keyed hash algorithm, thus setkey needs to be called. Otherwise the following error occurs: $ modprobe tcrypt mode=318 sec=1 testing speed of async ghash-generic (ghash-generic) tcrypt: test 0 ( 16 byte blocks, 16 bytes per update, 1 updates): tcrypt: hashing failed ret=-126 Cc: <stable@vger.kernel.org> # 4.6+ Fixes: 0660511c ("crypto: tcrypt - Use ahash") Tested-by:
Franck Lenormand <franck.lenormand@nxp.com> Signed-off-by:
Horia Geantă <horia.geanta@nxp.com> Acked-by:
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Horia Geantă authored
Enable CAAM (Cryptographic Accelerator and Assurance Module) driver for QorIQ Data Path Acceleration Architecture (DPAA) v2. It handles DPSECI (Data Path SEC Interface) DPAA2 objects that sit on the Management Complex (MC) fsl-mc bus. Signed-off-by:
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Horia Geantă authored
Add support for unkeyed and keyed (hmac) md5, sha algorithms. Signed-off-by:
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Horia Geantă authored
caam/qi2 driver will support ahash algorithms, thus move ahash descriptors generation in a shared location. Signed-off-by:
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Horia Geantă authored
Add support to submit the following skcipher algorithms via the DPSECI backend: cbc({aes,des,des3_ede}) ctr(aes), rfc3686(ctr(aes)) xts(aes) Signed-off-by:
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