Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig
and create a submenu for them under the Crypto API menu.
Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig
and create a submenu for them under the Crypto API menu.
Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Move CPU-specific crypto/Kconfig entries to arch/xxx/crypto/Kconfig
and create a submenu for them under the Crypto API menu.
Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.
Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The lists of algothms checked for existence by
modprobe tcrypt mode=1000
generates three bogus errors:
modprobe tcrypt mode=1000
console log:
tcrypt: alg rot13 not found
tcrypt: alg cts not found
tcrypt: alg arc4 not found
rot13 is not an algorithm in the crypto API or tested.
cts is a wrapper, not a base algorithm.
arc4 is named ecb(arc4), not arc4.
Also, the list is missing numerous algorithms that are tested by
other test modes:
blake2b-512
blake2s-256
crct10dif
xxhash64
ghash
cast5
sm4
ansi_prng
Several of the algorithms are only available if
CONFIG_CRYPTO_USER_API_ENABLE_OBSOLETE is enabled:
arc4
khazad
seed
tea, xtea, xeta
Rather that fix that list, remove test mode=1000 entirely.
It seems to have limited utility, and a web search shows no
discussion of anybody using it.
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Robert Elliott <elliott@hpe.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This userspace command:
modprobe tcrypt
or
modprobe tcrypt mode=0
runs all the tcrypt test cases numbered <200 (i.e., all the
test cases calling tcrypt_test() and returning return values).
Tests are sparsely numbered from 0 to 1000. For example:
modprobe tcrypt mode=12
tests sha512, and
modprobe tcrypt mode=152
tests rfc4543(gcm(aes))) - AES-GCM as GMAC
The test manager generates WARNING crashdumps every time it attempts
a test using an algorithm that is not available (not built-in to the
kernel or available as a module):
alg: skcipher: failed to allocate transform for ecb(arc4): -2
------------[ cut here ]-----------
alg: self-tests for ecb(arc4) (ecb(arc4)) failed (rc=-2)
WARNING: CPU: 9 PID: 4618 at crypto/testmgr.c:5777
alg_test+0x30b/0x510
[50 more lines....]
---[ end trace 0000000000000000 ]---
If the kernel is compiled with CRYPTO_USER_API_ENABLE_OBSOLETE
disabled (the default), then these algorithms are not compiled into
the kernel or made into modules and trigger WARNINGs:
arc4 tea xtea khazad anubis xeta seed
Additionally, any other algorithms that are not enabled in .config
will generate WARNINGs. In RHEL 9.0, for example, the default
selection of algorithms leads to 16 WARNING dumps.
One attempt to fix this was by modifying tcrypt_test() to check
crypto_has_alg() and immediately return 0 if crypto_has_alg() fails,
rather than proceed and return a non-zero error value that causes
the caller (alg_test() in crypto/testmgr.c) to invoke WARN().
That knocks out too many algorithms, though; some combinations
like ctr(des3_ede) would work.
Instead, change the condition on the WARN to ignore a return
value is ENOENT, which is the value returned when the algorithm
or combination of algorithms doesn't exist. Add a pr_warn to
communicate that information in case the WARN is skipped.
This approach allows algorithm tests to work that are combinations,
not provided by one driver, like ctr(blowfish).
Result - no more WARNINGs:
modprobe tcrypt
[ 115.541765] tcrypt: testing md5
[ 115.556415] tcrypt: testing sha1
[ 115.570463] tcrypt: testing ecb(des)
[ 115.585303] cryptomgr: alg: skcipher: failed to allocate transform for ecb(des): -2
[ 115.593037] cryptomgr: alg: self-tests for ecb(des) using ecb(des) failed (rc=-2)
[ 115.593038] tcrypt: testing cbc(des)
[ 115.610641] cryptomgr: alg: skcipher: failed to allocate transform for cbc(des): -2
[ 115.618359] cryptomgr: alg: self-tests for cbc(des) using cbc(des) failed (rc=-2)
...
Signed-off-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acomp API supports NULL destination buffer for compression
and decompression requests. In such cases allocation is
performed by API.
Add test cases for crypto_acomp_compress() and crypto_acomp_decompress()
with dst buffer allocated by API.
Tests will only run if CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y.
Signed-off-by: Lucas Segarra Fernandez <lucas.segarra.fernandez@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The double `to' is duplicated in the comment, remove one.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
remove unnecessary void* type casting
v2:
Turn assignments less than 75 characters into one line.
Signed-off-by: Dong Chuanjian <chuanjian@nfschina.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
CRYPTO_LIB_CHACHA depends on CRYPTO for __crypto_xor, defined in
crypto/algapi.c. This is a layering violation because the dependencies
should only go in the other direction (crypto/ => lib/crypto/). Also
the correct dependency would be CRYPTO_ALGAPI, not CRYPTO. Fix this by
moving __crypto_xor into the utils module in lib/crypto/.
Note that CRYPTO_LIB_CHACHA_GENERIC selected XOR_BLOCKS, which is
unrelated and unnecessary. It was perhaps thought that XOR_BLOCKS was
needed for __crypto_xor, but that's not the case.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
As requested at
https://lore.kernel.org/r/YtEgzHuuMts0YBCz@gondor.apana.org.au, move
__crypto_memneq into lib/crypto/ and put it under a new tristate. The
tristate is CRYPTO_LIB_UTILS, and it builds a module libcryptoutils. As
more crypto library utilities are being added, this creates a single
place for them to go without cluttering up the main lib directory.
The module's main file will be lib/crypto/utils.c. However, leave
memneq.c as its own file because of its nonstandard license.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
It turns out that gcc-12.1 has some nasty problems with register
allocation on a 32-bit x86 build for the 64-bit values used in the
generic blake2b implementation, where the pattern of 64-bit rotates and
xor operations ends up making gcc generate horrible code.
As a result it ends up with a ridiculously large stack frame for all the
spills it generates, resulting in the following build problem:
crypto/blake2b_generic.c: In function ‘blake2b_compress_one_generic’:
crypto/blake2b_generic.c:109:1: error: the frame size of 2640 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
on the same test-case, clang ends up generating a stack frame that is
just 296 bytes (and older gcc versions generate a slightly bigger one at
428 bytes - still nowhere near that almost 3kB monster stack frame of
gcc-12.1).
The issue is fixed both in mainline and the GCC 12 release branch [1],
but current release compilers end up failing the i386 allmodconfig build
due to this issue.
Disable the warning for now by simply raising the frame size for this
one file, just to keep this issue from having people turn off WERROR.
Link: https://lore.kernel.org/all/CAHk-=wjxqgeG2op+=W9sqgsWqCYnavC+SRfVyopu9-31S6xw+Q@mail.gmail.com/
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105930 [1]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* more new_sync_{read,write}() speedups - ITER_UBUF introduction
* ITER_PIPE cleanups
* unification of iov_iter_get_pages/iov_iter_get_pages_alloc and
switching them to advancing semantics
* making ITER_PIPE take high-order pages without splitting them
* handling copy_page_from_iter() for high-order pages properly
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-work.iov_iter-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull more iov_iter updates from Al Viro:
- more new_sync_{read,write}() speedups - ITER_UBUF introduction
- ITER_PIPE cleanups
- unification of iov_iter_get_pages/iov_iter_get_pages_alloc and
switching them to advancing semantics
- making ITER_PIPE take high-order pages without splitting them
- handling copy_page_from_iter() for high-order pages properly
* tag 'pull-work.iov_iter-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (32 commits)
fix copy_page_from_iter() for compound destinations
hugetlbfs: copy_page_to_iter() can deal with compound pages
copy_page_to_iter(): don't split high-order page in case of ITER_PIPE
expand those iov_iter_advance()...
pipe_get_pages(): switch to append_pipe()
get rid of non-advancing variants
ceph: switch the last caller of iov_iter_get_pages_alloc()
9p: convert to advancing variant of iov_iter_get_pages_alloc()
af_alg_make_sg(): switch to advancing variant of iov_iter_get_pages()
iter_to_pipe(): switch to advancing variant of iov_iter_get_pages()
block: convert to advancing variants of iov_iter_get_pages{,_alloc}()
iov_iter: advancing variants of iov_iter_get_pages{,_alloc}()
iov_iter: saner helper for page array allocation
fold __pipe_get_pages() into pipe_get_pages()
ITER_XARRAY: don't open-code DIV_ROUND_UP()
unify the rest of iov_iter_get_pages()/iov_iter_get_pages_alloc() guts
unify xarray_get_pages() and xarray_get_pages_alloc()
unify pipe_get_pages() and pipe_get_pages_alloc()
iov_iter_get_pages(): sanity-check arguments
iov_iter_get_pages_alloc(): lift freeing pages array on failure exits into wrapper
...
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Merge tag 'tpmdd-next-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen:
"Mostly TPM and also few keyring fixes"
* tag 'tpmdd-next-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: Add check for Failure mode for TPM2 modules
tpm: eventlog: Fix section mismatch for DEBUG_SECTION_MISMATCH
tpm: fix platform_no_drv_owner.cocci warning
KEYS: asymmetric: enforce SM2 signature use pkey algo
pkcs7: support EC-RDSA/streebog in SignerInfo
pkcs7: parser support SM2 and SM3 algorithms combination
sign-file: Fix confusing error messages
X.509: Support parsing certificate using SM2 algorithm
tpm: Add tpm_tis_i2c backend for tpm_tis_core
tpm: Add tpm_tis_verify_crc to the tpm_tis_phy_ops protocol layer
dt-bindings: trivial-devices: Add Infineon SLB9673 TPM
tpm: Add upgrade/reduced mode support for TPM1.2 modules
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Merge tag 'for-5.20/block-2022-08-04' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
- NVMe pull requests via Christoph:
- add support for In-Band authentication (Hannes Reinecke)
- handle the persistent internal error AER (Michael Kelley)
- use in-capsule data for TCP I/O queue connect (Caleb Sander)
- remove timeout for getting RDMA-CM established event (Israel
Rukshin)
- misc cleanups (Joel Granados, Sagi Grimberg, Chaitanya Kulkarni,
Guixin Liu, Xiang wangx)
- use command_id instead of req->tag in trace_nvme_complete_rq()
(Bean Huo)
- various fixes for the new authentication code (Lukas Bulwahn,
Dan Carpenter, Colin Ian King, Chaitanya Kulkarni, Hannes
Reinecke)
- small cleanups (Liu Song, Christoph Hellwig)
- restore compat_ioctl support (Nick Bowler)
- make a nvmet-tcp workqueue lockdep-safe (Sagi Grimberg)
- enable generic interface (/dev/ngXnY) for unknown command sets
(Joel Granados, Christoph Hellwig)
- don't always build constants.o (Christoph Hellwig)
- print the command name of aborted commands (Christoph Hellwig)
- MD pull requests via Song:
- Improve raid5 lock contention, by Logan Gunthorpe.
- Misc fixes to raid5, by Logan Gunthorpe.
- Fix race condition with md_reap_sync_thread(), by Guoqing Jiang.
- Fix potential deadlock with raid5_quiesce and
raid5_get_active_stripe, by Logan Gunthorpe.
- Refactoring md_alloc(), by Christoph"
- Fix md disk_name lifetime problems, by Christoph Hellwig
- Convert prepare_to_wait() to wait_woken() api, by Logan
Gunthorpe;
- Fix sectors_to_do bitmap issue, by Logan Gunthorpe.
- Work on unifying the null_blk module parameters and configfs API
(Vincent)
- drbd bitmap IO error fix (Lars)
- Set of rnbd fixes (Guoqing, Md Haris)
- Remove experimental marker on bcache async device registration (Coly)
- Series from cleaning up the bio splitting (Christoph)
- Removal of the sx8 block driver. This hardware never really
widespread, and it didn't receive a lot of attention after the
initial merge of it back in 2005 (Christoph)
- A few fixes for s390 dasd (Eric, Jiang)
- Followup set of fixes for ublk (Ming)
- Support for UBLK_IO_NEED_GET_DATA for ublk (ZiyangZhang)
- Fixes for the dio dma alignment (Keith)
- Misc fixes and cleanups (Ming, Yu, Dan, Christophe
* tag 'for-5.20/block-2022-08-04' of git://git.kernel.dk/linux-block: (136 commits)
s390/dasd: Establish DMA alignment
s390/dasd: drop unexpected word 'for' in comments
ublk_drv: add support for UBLK_IO_NEED_GET_DATA
ublk_cmd.h: add one new ublk command: UBLK_IO_NEED_GET_DATA
ublk_drv: cleanup ublksrv_ctrl_dev_info
ublk_drv: add SET_PARAMS/GET_PARAMS control command
ublk_drv: fix ublk device leak in case that add_disk fails
ublk_drv: cancel device even though disk isn't up
block: fix leaking page ref on truncated direct io
block: ensure bio_iov_add_page can't fail
block: ensure iov_iter advances for added pages
drivers:md:fix a potential use-after-free bug
md/raid5: Ensure batch_last is released before sleeping for quiesce
md/raid5: Move stripe_request_ctx up
md/raid5: Drop unnecessary call to r5c_check_stripe_cache_usage()
md/raid5: Make is_inactive_blocked() helper
md/raid5: Refactor raid5_get_active_stripe()
block: pass struct queue_limits to the bio splitting helpers
block: move bio_allowed_max_sectors to blk-merge.c
block: move the call to get_max_io_size out of blk_bio_segment_split
...
The signature verification of SM2 needs to add the Za value and
recalculate sig->digest, which requires the detection of the pkey_algo
in public_key_verify_signature(). As Eric Biggers said, the pkey_algo
field in sig is attacker-controlled and should be use pkey->pkey_algo
instead of sig->pkey_algo, and secondly, if sig->pkey_algo is NULL, it
will also cause signature verification failure.
The software_key_determine_akcipher() already forces the algorithms
are matched, so the SM3 algorithm is enforced in the SM2 signature,
although this has been checked, we still avoid using any algorithm
information in the signature as input.
Fixes: 2155256396 ("X.509: support OSCCA SM2-with-SM3 certificate verification")
Reported-by: Eric Biggers <ebiggers@google.com>
Cc: stable@vger.kernel.org # v5.10+
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Allow using EC-RDSA/streebog in pkcs7 certificates in a similar way
to how it's done in the x509 parser.
This is needed e.g. for loading kernel modules signed with EC-RDSA.
Signed-off-by: Elvira Khabirova <e.khabirova@omp.ru>
Reviewed-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Support parsing the message signature of the SM2 and SM3 algorithm
combination. This group of algorithms has been well supported. One
of the main users is module signature verification.
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
The SM2-with-SM3 certificate generated by latest openssl no longer
reuses the OID_id_ecPublicKey, but directly uses OID_sm2. This patch
supports this type of x509 certificate parsing.
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
API:
- Make proc files report fips module name and version.
Algorithms:
- Move generic SHA1 code into lib/crypto.
- Implement Chinese Remainder Theorem for RSA.
- Remove blake2s.
- Add XCTR with x86/arm64 acceleration.
- Add POLYVAL with x86/arm64 acceleration.
- Add HCTR2.
- Add ARIA.
Drivers:
- Add support for new CCP/PSP device ID in ccp.
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Merge tag 'v5.20-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Make proc files report fips module name and version
Algorithms:
- Move generic SHA1 code into lib/crypto
- Implement Chinese Remainder Theorem for RSA
- Remove blake2s
- Add XCTR with x86/arm64 acceleration
- Add POLYVAL with x86/arm64 acceleration
- Add HCTR2
- Add ARIA
Drivers:
- Add support for new CCP/PSP device ID in ccp"
* tag 'v5.20-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (89 commits)
crypto: tcrypt - Remove the static variable initialisations to NULL
crypto: arm64/poly1305 - fix a read out-of-bound
crypto: hisilicon/zip - Use the bitmap API to allocate bitmaps
crypto: hisilicon/sec - fix auth key size error
crypto: ccree - Remove a useless dma_supported() call
crypto: ccp - Add support for new CCP/PSP device ID
crypto: inside-secure - Add missing MODULE_DEVICE_TABLE for of
crypto: hisilicon/hpre - don't use GFP_KERNEL to alloc mem during softirq
crypto: testmgr - some more fixes to RSA test vectors
cyrpto: powerpc/aes - delete the rebundant word "block" in comments
hwrng: via - Fix comment typo
crypto: twofish - Fix comment typo
crypto: rmd160 - fix Kconfig "its" grammar
crypto: keembay-ocs-ecc - Drop if with an always false condition
Documentation: qat: rewrite description
Documentation: qat: Use code block for qat sysfs example
crypto: lib - add module license to libsha1
crypto: lib - make the sha1 library optional
crypto: lib - move lib/sha1.c into lib/crypto/
crypto: fips - make proc files report fips module name and version
...
Add helper function to determine if a given key-agreement protocol
primitive is supported.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add helper function to determine if a given synchronous hash is supported.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Initialise global and static variable to NULL is always unnecessary.
Remove the unnecessary initialisations.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Two more fixes:
* some test vectors in commit 79e6e2f3f3 ("crypto: testmgr - populate
RSA CRT parameters in RSA test vectors") had misplaced commas, which
break the test and trigger KASAN warnings at least on x86-64
* pkcs1pad test vector did not have its CRT parameters
Fixes: 79e6e2f3f3 ("crypto: testmgr - populate RSA CRT parameters in RSA test vectors")
Reported-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The double `that' is duplicated in line 301, remove one.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Use the possessive "its" instead of the contraction "it's"
where appropriate.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Since the Linux RNG no longer uses sha1_transform(), the SHA-1 library
is no longer needed unconditionally. Make it possible to build the
Linux kernel without the SHA-1 library by putting it behind a kconfig
option, and selecting this new option from the kconfig options that gate
the remaining users: CRYPTO_SHA1 for crypto/sha1_generic.c, BPF for
kernel/bpf/core.c, and IPV6 for net/ipv6/addrconf.c.
Unfortunately, since BPF is selected by NET, for now this can only make
a difference for kernels built without networking support.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
FIPS 140-3 introduced a requirement for the FIPS module to return
information about itself, specifically a name and a version. These
values must match the values reported on FIPS certificates.
This patch adds two files to read a name and a version from:
/proc/sys/crypto/fips_name
/proc/sys/crypto/fips_version
v2: removed redundant parentheses in config entries.
v3: move FIPS_MODULE_* defines to fips.c where they are used.
v4: return utsrelease.h inclusion
Signed-off-by: Simo Sorce <simo@redhat.com>
Signed-off-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
It contains ARIA ecb(aria), cbc(aria), cfb(aria), ctr(aria), and gcm(aria).
ecb testvector is from RFC standard.
cbc, cfb, and ctr testvectors are from KISA[1], who developed ARIA
algorithm.
gcm(aria) is from openssl test vector.
[1] https://seed.kisa.or.kr/kisa/kcmvp/EgovVerification.do (Korean)
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
ARIA(RFC 5794) is a symmetric block cipher algorithm.
This algorithm is being used widely in South Korea as a standard cipher
algorithm.
This code is written based on the ARIA implementation of OpenSSL.
The OpenSSL code is based on the distributed source code[1] by KISA.
ARIA has three key sizes and corresponding rounds.
ARIA128: 12 rounds.
ARIA192: 14 rounds.
ARIA245: 16 rounds.
[1] https://seed.kisa.or.kr/kisa/Board/19/detailView.do (Korean)
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Changes from v1:
* replace some accidental spaces with tabs
In commit f145d411a6 ("crypto: rsa - implement Chinese Remainder Theorem
for faster private key operations") we have started to use the additional
primes and coefficients for RSA private key operations. However, these
additional parameters are not present (defined as 0 integers) in the RSA
test vectors.
Some parameters were borrowed from OpenSSL, so I was able to find the
source. I could not find the public source for 1 vector though, so had to
recover the parameters by implementing Appendix C from [1].
[1]: https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-56Br1.pdf
Fixes: f145d411a6 ("crypto: rsa - implement Chinese Remainder Theorem for faster private key operations")
Reported-by: Tasmiya Nalatwad <tasmiya@linux.vnet.ibm.com>
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Various accelerated software implementation Kconfig values for S390 were
mistakenly placed into drivers/crypto/Kconfig, even though they're
mainly just SIMD code and live in arch/s390/crypto/ like usual. This
gives them the very unusual dependency on CRYPTO_HW, which leads to
problems elsewhere.
This patch fixes the issue by moving the Kconfig values for non-hardware
drivers into the usual place in crypto/Kconfig.
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
According to PKCS#1 standard, the 'otherPrimeInfos' field contains
the information for the additional primes r_3, ..., r_u, in order.
It shall be omitted if the version is 0 and shall contain at least
one instance of OtherPrimeInfo if the version is 1, see:
https://www.rfc-editor.org/rfc/rfc3447#page-44
Replace the version number '1' with 0, otherwise, some drivers may
not pass the run-time tests.
Signed-off-by: lei he <helei.sig11@bytedance.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Changes from v1:
* exported mpi_sub and mpi_mul, otherwise the build fails when RSA is a module
The kernel RSA ASN.1 private key parser already supports only private keys with
additional values to be used with the Chinese Remainder Theorem [1], but these
values are currently not used.
This rudimentary CRT implementation speeds up RSA private key operations for the
following Go benchmark up to ~3x.
This implementation also tries to minimise the allocation of additional MPIs,
so existing MPIs are reused as much as possible (hence the variable names are a
bit weird).
The benchmark used:
```
package keyring_test
import (
"crypto"
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"io"
"syscall"
"testing"
"unsafe"
)
type KeySerial int32
type Keyring int32
const (
KEY_SPEC_PROCESS_KEYRING Keyring = -2
KEYCTL_PKEY_SIGN = 27
)
var (
keyTypeAsym = []byte("asymmetric\x00")
sha256pkcs1 = []byte("enc=pkcs1 hash=sha256\x00")
)
func (keyring Keyring) LoadAsym(desc string, payload []byte) (KeySerial, error) {
cdesc := []byte(desc + "\x00")
serial, _, errno := syscall.Syscall6(syscall.SYS_ADD_KEY, uintptr(unsafe.Pointer(&keyTypeAsym[0])), uintptr(unsafe.Pointer(&cdesc[0])), uintptr(unsafe.Pointer(&payload[0])), uintptr(len(payload)), uintptr(keyring), uintptr(0))
if errno == 0 {
return KeySerial(serial), nil
}
return KeySerial(serial), errno
}
type pkeyParams struct {
key_id KeySerial
in_len uint32
out_or_in2_len uint32
__spare [7]uint32
}
// the output signature buffer is an input parameter here, because we want to
// avoid Go buffer allocation leaking into our benchmarks
func (key KeySerial) Sign(info, digest, out []byte) error {
var params pkeyParams
params.key_id = key
params.in_len = uint32(len(digest))
params.out_or_in2_len = uint32(len(out))
_, _, errno := syscall.Syscall6(syscall.SYS_KEYCTL, KEYCTL_PKEY_SIGN, uintptr(unsafe.Pointer(¶ms)), uintptr(unsafe.Pointer(&info[0])), uintptr(unsafe.Pointer(&digest[0])), uintptr(unsafe.Pointer(&out[0])), uintptr(0))
if errno == 0 {
return nil
}
return errno
}
func BenchmarkSign(b *testing.B) {
priv, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
b.Fatalf("failed to generate private key: %v", err)
}
pkcs8, err := x509.MarshalPKCS8PrivateKey(priv)
if err != nil {
b.Fatalf("failed to serialize the private key to PKCS8 blob: %v", err)
}
serial, err := KEY_SPEC_PROCESS_KEYRING.LoadAsym("test rsa key", pkcs8)
if err != nil {
b.Fatalf("failed to load the private key into the keyring: %v", err)
}
b.Logf("loaded test rsa key: %v", serial)
digest := make([]byte, 32)
_, err = io.ReadFull(rand.Reader, digest)
if err != nil {
b.Fatalf("failed to generate a random digest: %v", err)
}
sig := make([]byte, 256)
for n := 0; n < b.N; n++ {
err = serial.Sign(sha256pkcs1, digest, sig)
if err != nil {
b.Fatalf("failed to sign the digest: %v", err)
}
}
err = rsa.VerifyPKCS1v15(&priv.PublicKey, crypto.SHA256, digest, sig)
if err != nil {
b.Fatalf("failed to verify the signature: %v", err)
}
}
```
[1]: https://en.wikipedia.org/wiki/RSA_(cryptosystem)#Using_the_Chinese_remainder_algorithm
Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Merge tag 'certs-20220621' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull signature checking selftest from David Howells:
"The signature checking code, as used by module signing, kexec, etc.,
is non-FIPS compliant as there is no selftest.
For a kernel to be FIPS-compliant, signature checking would have to be
tested before being used, and the box would need to panic if it's not
available (probably reasonable as simply disabling signature checking
would prevent you from loading any driver modules).
Deal with this by adding a minimal test.
This is split into two patches: the first moves load_certificate_list()
to the same place as the X.509 code to make it more accessible
internally; the second adds a selftest"
* tag 'certs-20220621' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
certs: Add FIPS selftests
certs: Move load_certificate_list() to be with the asymmetric keys code
Add some selftests for signature checking when FIPS mode is enabled. These
need to be done before we start actually using the signature checking for
things and must panic the kernel upon failure.
Note that the tests must not check the blacklist lest this provide a way to
prevent a kernel from booting by installing a hash of a test key in the
appropriate UEFI table.
Reported-by: Simo Sorce <simo@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>
Reviewed-by: Herbert Xu <herbert@gondor.apana.org.au>
cc: keyrings@vger.kernel.org
cc: linux-crypto@vger.kernel.org
Link: https://lore.kernel.org/r/165515742832.1554877.2073456606206090838.stgit@warthog.procyon.org.uk/
Move load_certificate_list(), which loads a series of binary X.509
certificates from a blob and inserts them as keys into a keyring, to be
with the asymmetric keys code that it drives.
This makes it easier to add FIPS selftest code in which we need to load up
a private keyring for the tests to use.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>
Reviewed-by: Herbert Xu <herbert@gondor.apana.org.au>
cc: keyrings@vger.kernel.org
cc: linux-crypto@vger.kernel.org
Link: https://lore.kernel.org/r/165515742145.1554877.13488098107542537203.stgit@warthog.procyon.org.uk/
This is used by code that doesn't need CONFIG_CRYPTO, so move this into
lib/ with a Kconfig option so that it can be selected by whatever needs
it.
This fixes a linker error Zheng pointed out when
CRYPTO_MANAGER_DISABLE_TESTS!=y and CRYPTO=m:
lib/crypto/curve25519-selftest.o: In function `curve25519_selftest':
curve25519-selftest.c:(.init.text+0x60): undefined reference to `__crypto_memneq'
curve25519-selftest.c:(.init.text+0xec): undefined reference to `__crypto_memneq'
curve25519-selftest.c:(.init.text+0x114): undefined reference to `__crypto_memneq'
curve25519-selftest.c:(.init.text+0x154): undefined reference to `__crypto_memneq'
Reported-by: Zheng Bin <zhengbin13@huawei.com>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: stable@vger.kernel.org
Fixes: aa127963f1 ("crypto: lib/curve25519 - re-add selftests")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
BLAKE2s has no currently known use as an shash. Just remove all of this
unnecessary plumbing. Removing this shash was something we talked about
back when we were making BLAKE2s a built-in, but I simply never got
around to doing it. So this completes that project.
Importantly, this fixs a bug in which the lib code depends on
crypto_simd_disabled_for_test, causing linker errors.
Also add more alignment tests to the selftests and compare SIMD and
non-SIMD compression functions, to make up for what we lose from
testmgr.c.
Reported-by: gaochao <gaochao49@huawei.com>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: stable@vger.kernel.org
Fixes: 6048fdcc5f ("lib/crypto: blake2s: include as built-in")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This is used by code that doesn't need CONFIG_CRYPTO, so move this into
lib/ with a Kconfig option so that it can be selected by whatever needs
it.
This fixes a linker error Zheng pointed out when
CRYPTO_MANAGER_DISABLE_TESTS!=y and CRYPTO=m:
lib/crypto/curve25519-selftest.o: In function `curve25519_selftest':
curve25519-selftest.c:(.init.text+0x60): undefined reference to `__crypto_memneq'
curve25519-selftest.c:(.init.text+0xec): undefined reference to `__crypto_memneq'
curve25519-selftest.c:(.init.text+0x114): undefined reference to `__crypto_memneq'
curve25519-selftest.c:(.init.text+0x154): undefined reference to `__crypto_memneq'
Reported-by: Zheng Bin <zhengbin13@huawei.com>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: stable@vger.kernel.org
Fixes: aa127963f1 ("crypto: lib/curve25519 - re-add selftests")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add hardware accelerated version of POLYVAL for x86-64 CPUs with
PCLMULQDQ support.
This implementation is accelerated using PCLMULQDQ instructions to
perform the finite field computations. For added efficiency, 8 blocks
of the message are processed simultaneously by precomputing the first
8 powers of the key.
Schoolbook multiplication is used instead of Karatsuba multiplication
because it was found to be slightly faster on x86-64 machines.
Montgomery reduction must be used instead of Barrett reduction due to
the difference in modulus between POLYVAL's field and other finite
fields.
More information on POLYVAL can be found in the HCTR2 paper:
"Length-preserving encryption with HCTR2":
https://eprint.iacr.org/2021/1441.pdf
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add hardware accelerated version of XCTR for x86-64 CPUs with AESNI
support.
More information on XCTR can be found in the HCTR2 paper:
"Length-preserving encryption with HCTR2":
https://eprint.iacr.org/2021/1441.pdf
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for HCTR2 as a template. HCTR2 is a length-preserving
encryption mode that is efficient on processors with instructions to
accelerate AES and carryless multiplication, e.g. x86 processors with
AES-NI and CLMUL, and ARM processors with the ARMv8 Crypto Extensions.
As a length-preserving encryption mode, HCTR2 is suitable for
applications such as storage encryption where ciphertext expansion is
not possible, and thus authenticated encryption cannot be used.
Currently, such applications usually use XTS, or in some cases Adiantum.
XTS has the disadvantage that it is a narrow-block mode: a bitflip will
only change 16 bytes in the resulting ciphertext or plaintext. This
reveals more information to an attacker than necessary.
HCTR2 is a wide-block mode, so it provides a stronger security property:
a bitflip will change the entire message. HCTR2 is somewhat similar to
Adiantum, which is also a wide-block mode. However, HCTR2 is designed
to take advantage of existing crypto instructions, while Adiantum
targets devices without such hardware support. Adiantum is also
designed with longer messages in mind, while HCTR2 is designed to be
efficient even on short messages.
HCTR2 requires POLYVAL and XCTR as components. More information on
HCTR2 can be found here: "Length-preserving encryption with HCTR2":
https://eprint.iacr.org/2021/1441.pdf
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for POLYVAL, an ε-Δ-universal hash function similar to
GHASH. This patch only uses POLYVAL as a component to implement HCTR2
mode. It should be noted that POLYVAL was originally specified for use
in AES-GCM-SIV (RFC 8452), but the kernel does not currently support
this mode.
POLYVAL is implemented as an shash algorithm. The implementation is
modified from ghash-generic.c.
For more information on POLYVAL see:
Length-preserving encryption with HCTR2:
https://eprint.iacr.org/2021/1441.pdf
AES-GCM-SIV: Nonce Misuse-Resistant Authenticated Encryption:
https://datatracker.ietf.org/doc/html/rfc8452
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add a generic implementation of XCTR mode as a template. XCTR is a
blockcipher mode similar to CTR mode. XCTR uses XORs and little-endian
addition rather than big-endian arithmetic which has two advantages: It
is slightly faster on little-endian CPUs and it is less likely to be
implemented incorrect since integer overflows are not possible on
practical input sizes. XCTR is used as a component to implement HCTR2.
More information on XCTR mode can be found in the HCTR2 paper:
https://eprint.iacr.org/2021/1441.pdf
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
API:
- Test in-place en/decryption with two sglists in testmgr.
- Fix process vs. softirq race in cryptd.
Algorithms:
- Add arm64 acceleration for sm4.
- Add s390 acceleration for chacha20.
Drivers:
- Add polarfire soc hwrng support in mpsf.
- Add support for TI SoC AM62x in sa2ul.
- Add support for ATSHA204 cryptochip in atmel-sha204a.
- Add support for PRNG in caam.
- Restore support for storage encryption in qat.
- Restore support for storage encryption in hisilicon/sec.
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Merge tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Test in-place en/decryption with two sglists in testmgr
- Fix process vs softirq race in cryptd
Algorithms:
- Add arm64 acceleration for sm4
- Add s390 acceleration for chacha20
Drivers:
- Add polarfire soc hwrng support in mpsf
- Add support for TI SoC AM62x in sa2ul
- Add support for ATSHA204 cryptochip in atmel-sha204a
- Add support for PRNG in caam
- Restore support for storage encryption in qat
- Restore support for storage encryption in hisilicon/sec"
* tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (116 commits)
hwrng: omap3-rom - fix using wrong clk_disable() in omap_rom_rng_runtime_resume()
crypto: hisilicon/sec - delete the flag CRYPTO_ALG_ALLOCATES_MEMORY
crypto: qat - add support for 401xx devices
crypto: qat - re-enable registration of algorithms
crypto: qat - honor CRYPTO_TFM_REQ_MAY_SLEEP flag
crypto: qat - add param check for DH
crypto: qat - add param check for RSA
crypto: qat - remove dma_free_coherent() for DH
crypto: qat - remove dma_free_coherent() for RSA
crypto: qat - fix memory leak in RSA
crypto: qat - add backlog mechanism
crypto: qat - refactor submission logic
crypto: qat - use pre-allocated buffers in datapath
crypto: qat - set to zero DH parameters before free
crypto: s390 - add crypto library interface for ChaCha20
crypto: talitos - Uniform coding style with defined variable
crypto: octeontx2 - simplify the return expression of otx2_cpt_aead_cbc_aes_sha_setkey()
crypto: cryptd - Protect per-CPU resource by disabling BH.
crypto: sun8i-ce - do not fallback if cryptlen is less than sg length
crypto: sun8i-ce - rework debugging
...
Factor out the blacklist hash creation with the get_raw_hash() helper.
This also centralize the "tbs" and "bin" prefixes and make them private,
which help to manage them consistently.
Cc: David Howells <dhowells@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Eric Snowberg <eric.snowberg@oracle.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Link: https://lore.kernel.org/r/20210712170313.884724-5-mic@digikod.net
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
The access to cryptd_queue::cpu_queue is synchronized by disabling
preemption in cryptd_enqueue_request() and disabling BH in
cryptd_queue_worker(). This implies that access is allowed from BH.
If cryptd_enqueue_request() is invoked from preemptible context _and_
soft interrupt then this can lead to list corruption since
cryptd_enqueue_request() is not protected against access from
soft interrupt.
Replace get_cpu() in cryptd_enqueue_request() with local_bh_disable()
to ensure BH is always disabled.
Remove preempt_disable() from cryptd_queue_worker() since it is not
needed because local_bh_disable() ensures synchronisation.
Fixes: 254eff7714 ("crypto: cryptd - Per-CPU thread implementation...")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
