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2025-05-14crypto: marvell/cesa - Avoid empty transfer descriptorHerbert Xu1-1/+1
The user may set req->src even if req->nbytes == 0. If there is no data to hash from req->src, do not generate an empty TDMA descriptor. Fixes: db509a45339f ("crypto: marvell/cesa - add TDMA support") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-14crypto: marvell/cesa - Handle zero-length skcipher requestsHerbert Xu1-0/+3
Do not access random memory for zero-length skcipher requests. Just return 0. Fixes: f63601fd616a ("crypto: marvell/cesa - add a new driver for Marvell's CESA") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-14crypto: powerpc/poly1305 - Add SIMD fallbackHerbert Xu3-4/+40
Add a SIMD fallback path for poly1305-p10 by converting the 2^64 based hash state into a 2^44 base. In order to ensure that the generic fallback is actually 2^44, add ARCH_SUPPORTS_INT128 to powerpc and make poly1305-p10 depend on it. Fixes: ba8f8624fde2 ("crypto: poly1305-p10 - Glue code for optmized Poly1305 implementation for ppc64le") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-14crypto: iaa - Optimize rebalance_wq_table()Yury Norov1-21/+14
The function opencodes for_each_cpu() by using a plain for-loop. The loop calls cpumask_weight() inside the conditional section. Because cpumask_weight() is O(1), the overall complexity of the function is O(node * node_cpus^2). Also, cpumask_nth() internally calls hweight(), which, if not hardware accelerated, is slower than cpumask_next() in for_each_cpu(). If switched to the dedicated for_each_cpu(), the rebalance_wq_table() can drop calling cpumask_weight(), together with some housekeeping code. This makes the overall complexity O(node * node_cpus), or simply speaking O(nr_cpu_ids). While there, fix opencoded for_each_possible_cpu() too. Signed-off-by: Yury Norov <yury.norov@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-14crypto: qat/qat_6xxx - Fix NULL vs IS_ERR() check in adf_probe()Dan Carpenter1-2/+2
The pcim_iomap_region() returns error pointers. It doesn't return NULL pointers. Update the check to match. Fixes: 17fd7514ae68 ("crypto: qat - add qat_6xxx driver") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: testmgr - enable CRYPTO_MANAGER when CRYPTO_SELFTESTSEric Biggers2-4/+4
crypto/testmgr.c is compiled only when CRYPTO_MANAGER is enabled. To make CRYPTO_SELFTESTS work as expected when CRYPTO_MANAGER doesn't get enabled for another reason, automatically set CRYPTO_MANAGER to the value of CRYPTO_ALGAPI when CRYPTO_SELFTESTS is enabled. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: Kconfig - make CRYPTO_MANAGER a hidden symbolEric Biggers9-9/+1
There is no reason for people configuring the kernel to be asked about CRYPTO_MANAGER, so make it a hidden symbol. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: testmgr - rename noextratests to noslowtestsEric Biggers1-21/+20
Rename the noextratests module parameter to noslowtests, and replace other remaining mentions of "extra" in the code with "slow". This addresses confusion regarding the word "extra" like that seen at https://lore.kernel.org/r/6cecf2de-9aa0-f6ea-0c2d-8e974a1a820b@huawei.com/. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: testmgr - make it easier to enable the full set of testsEric Biggers4-72/+8
Currently the full set of crypto self-tests requires CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y. This is problematic in two ways. First, developers regularly overlook this option. Second, the description of the tests as "extra" sometimes gives the impression that it is not required that all algorithms pass these tests. Given that the main use case for the crypto self-tests is for developers, make enabling CONFIG_CRYPTO_SELFTESTS=y just enable the full set of crypto self-tests by default. The slow tests can still be disabled by adding the command-line parameter cryptomgr.noextratests=1, soon to be renamed to cryptomgr.noslowtests=1. The only known use case for doing this is for people trying to use the crypto self-tests to satisfy the FIPS 140-3 pre-operational self-testing requirements when the kernel is being validated as a FIPS 140-3 cryptographic module. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: testmgr - replace CRYPTO_MANAGER_DISABLE_TESTS with CRYPTO_SELFTESTSEric Biggers18-40/+41
The negative-sense of CRYPTO_MANAGER_DISABLE_TESTS is a longstanding mistake that regularly causes confusion. Especially bad is that you can have CRYPTO=n && CRYPTO_MANAGER_DISABLE_TESTS=n, which is ambiguous. Replace CRYPTO_MANAGER_DISABLE_TESTS with CRYPTO_SELFTESTS which has the expected behavior. The tests continue to be disabled by default. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: testmgr - remove panic_on_failEric Biggers1-7/+3
The cryptomgr.panic_on_fail=1 kernel command-line parameter is not very useful now that the tests have been fixed to WARN on failure, since developers can just use panic_on_warn=1 instead. There's no need for a special option just for the crypto self-tests. Remove it. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: tcrypt - rename CRYPTO_TEST to CRYPTO_BENCHMARKEric Biggers33-39/+43
tcrypt is actually a benchmarking module and not the actual tests. This regularly causes confusion. Update the kconfig option name and help text accordingly. Signed-off-by: Eric Biggers <ebiggers@google.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: null - use memcpy_sglist()Eric Biggers1-13/+4
Make null_skcipher_crypt() use memcpy_sglist() instead of the skcipher_walk API, as this is simpler. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: null - merge CRYPTO_NULL2 into CRYPTO_NULLEric Biggers2-8/+4
There is no reason to have separate CRYPTO_NULL2 and CRYPTO_NULL options. Just merge them into CRYPTO_NULL. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: null - remove the default null skcipherEric Biggers2-56/+0
crypto_get_default_null_skcipher() and crypto_put_default_null_skcipher() are no longer used, so remove them. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: krb5enc - do not select CRYPTO_NULLEric Biggers1-1/+0
The krb5enc code does not use any of the so-called "null algorithms", so it does not need to select CRYPTO_NULL. Presumably this unused dependency got copied from one of the other kconfig options. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: geniv - use memcpy_sglist() instead of null skcipherEric Biggers5-43/+7
For copying data between two scatterlists, just use memcpy_sglist() instead of the so-called "null skcipher". This is much simpler. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: gcm - use memcpy_sglist() instead of null skcipherEric Biggers2-38/+4
For copying data between two scatterlists, just use memcpy_sglist() instead of the so-called "null skcipher". This is much simpler. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: authenc - use memcpy_sglist() instead of null skcipherEric Biggers3-67/+4
For copying data between two scatterlists, just use memcpy_sglist() instead of the so-called "null skcipher". This is much simpler. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: algif_aead - use memcpy_sglist() instead of null skcipherEric Biggers2-84/+18
For copying data between two scatterlists, just use memcpy_sglist() instead of the so-called "null skcipher". This is much simpler. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: lib/chacha - add array bounds to function prototypesEric Biggers12-44/+49
Add explicit array bounds to the function prototypes for the parameters that didn't already get handled by the conversion to use chacha_state: - chacha_block_*(): Change 'u8 *out' or 'u8 *stream' to u8 out[CHACHA_BLOCK_SIZE]. - hchacha_block_*(): Change 'u32 *out' or 'u32 *stream' to u32 out[HCHACHA_OUT_WORDS]. - chacha_init(): Change 'const u32 *key' to 'const u32 key[CHACHA_KEY_WORDS]'. Change 'const u8 *iv' to 'const u8 iv[CHACHA_IV_SIZE]'. No functional changes. This just makes it clear when fixed-size arrays are expected. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: lib/chacha - add strongly-typed state zeroizationEric Biggers4-7/+13
Now that the ChaCha state matrix is strongly-typed, add a helper function chacha_zeroize_state() which zeroizes it. Then convert all applicable callers to use it instead of direct memzero_explicit. No functional changes. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: lib/chacha - use struct assignment to copy stateEric Biggers1-6/+2
Use struct assignment instead of memcpy() in lib/crypto/chacha.c where appropriate. No functional change. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: lib/chacha - strongly type the ChaCha stateEric Biggers19-190/+228
The ChaCha state matrix is 16 32-bit words. Currently it is represented in the code as a raw u32 array, or even just a pointer to u32. This weak typing is error-prone. Instead, introduce struct chacha_state: struct chacha_state { u32 x[16]; }; Convert all ChaCha and HChaCha functions to use struct chacha_state. No functional changes. Signed-off-by: Eric Biggers <ebiggers@google.com> Acked-by: Kent Overstreet <kent.overstreet@linux.dev> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-12crypto: crypto4xx - Remove ahash-related codeHerbert Xu3-155/+1
The hash implementation in crypto4xx has been disabled since 2009. As nobody has tried to fix this remove all the dead code. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-10crypto: powerpc/poly1305 - Add poly1305_emit_arch wrapperHerbert Xu2-6/+13
Add poly1305_emit_arch with fallback instead of calling assembly directly. This is because the state format differs between p10 and that of the generic implementation. Reported-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com> Reported-by: Eric Biggers <ebiggers@google.com> Fixes: 14d31979145d ("crypto: powerpc/poly1305 - Add block-only interface") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-08crypto: arm64/sha256 - fix build when CONFIG_PREEMPT_VOLUNTARY=yEric Biggers1-3/+4
Fix the build of sha256-ce.S when CONFIG_PREEMPT_VOLUNTARY=y by passing the correct label to the cond_yield macro. Also adjust the code to execute only one branch instruction when CONFIG_PREEMPT_VOLUNTARY=n. Fixes: 6e36be511d28 ("crypto: arm64/sha256 - implement library instead of shash") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202505071811.yYpLUbav-lkp@intel.com/ Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-08crypto: powerpc/poly1305 - Add missing poly1305_emit_archHerbert Xu2-2/+3
Rename poly1305_emit_64 to poly1305_emit_arch to conform with the expectation of the poly1305 library. Reported-by: Thorsten Leemhuis <linux@leemhuis.info> Fixes: 14d31979145d ("crypto: powerpc/poly1305 - Add block-only interface") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Tested-by: Thorsten Leemhuis <linux@leemhuis.info> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-07um: Include linux/types.h in asm/fpu/api.hHerbert Xu1-0/+2
Include linux/types.h before using bool. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202505070045.vWc04ygs-lkp@intel.com/ Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-06crypto: lib/poly1305 - Build main library on LIB_POLY1305 and split generic code outHerbert Xu3-11/+30
Split the lib poly1305 code just as was done with sha256. Make the main library code conditional on LIB_POLY1305 instead of LIB_POLY1305_GENERIC. Reported-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Fixes: 10a6d72ea355 ("crypto: lib/poly1305 - Use block-only interface") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: s390/sha512 - Initialise upper counter to zero for sha384Herbert Xu1-8/+9
Initialise the high bit counter to zero in sha384_init. Also change the state initialisation to use ctx->sha512.state instead of ctx->state for consistency. Fixes: 572b5c4682c7 ("crypto: s390/sha512 - Use API partial block handling") Reported-by: Ingo Franzki <ifranzki@linux.ibm.com> Reported-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: padlock-sha - Use core import and export for fallbackHerbert Xu1-14/+20
As padlock-sha is block-only, it needs to use core import and export on the fallback. Also call sha256_block_init instead of sha256_init although this is harmless as sha256_init doesn't write into the partial block area. Fixes: 63dc06cd12f9 ("crypto: padlock-sha - Use API partial block handling") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: ahash - Add HASH_REQUEST_ZEROHerbert Xu1-0/+4
Add a helper to zero hash stack requests that were never cloned off the stack. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: ahash - Add core export and importHerbert Xu2-1/+48
Add crypto_ahash_export_core and crypto_ahash_import_core. For now they only differ from the normal export/import functions when going through shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: ahash - Enforce MAX_SYNC_HASH_REQSIZE for sync ahashHerbert Xu1-9/+18
As sync ahash algorithms (currently there are none) are used without a fallback, ensure that they obey the MAX_SYNC_HASH_REQSIZE rule just like shash algorithms. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: shash - Mark shash algorithms as REQ_VIRTHerbert Xu1-0/+1
Mark shash algorithms with the REQ_VIRT bit as they can handle virtual addresses as is. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: shash - Cap state size to HASH_MAX_STATESIZEHerbert Xu2-1/+6
Now that all shash algorithms have converted over to the generic export format, limit the shash state size to HASH_MAX_STATESIZE. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: zynqmp-sha - Fix partial block implementationHerbert Xu2-11/+23
The zynqmp-sha partial block was based on an old design of the partial block API where the leftover calculation was done in the Crypto API. As the leftover calculation is now done by the algorithm, fix this by passing the partial blocks to the fallback. Also zero the stack descriptors. Fixes: 201e9ec3b621 ("crypto: zynqmp-sha - Use API partial block handling") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: hisilicon/qm - replace devm_kzalloc with devm_kcallocEthan Carter Edwards1-1/+1
Replace devm_kzalloc that has an internal multiplication with devm_kcalloc to improve code readability and safety from overflows. Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: hisilicon/qm - remove sizeof(char)Ethan Carter Edwards1-1/+1
`sizeof(char)` evaluates to 1. Remove the churn. Signed-off-by: Ethan Carter Edwards <ethan@ethancedwards.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: s390/hmac - Use API partial block handlingHerbert Xu1-47/+108
Use the Crypto API partial block handling. Also switch to the generic export format. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: sha256 - Use the partial block APIHerbert Xu1-23/+58
Use the shash partial block API by default. Add a separate set of lib shash algorithms to preserve testing coverage until lib/sha256 has its own tests. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: lib/sha256 - Use generic block helperHerbert Xu2-68/+10
Use the BLOCK_HASH_UPDATE_BLOCKS helper instead of duplicating partial block handling. Also remove the unused lib/sha256 force-generic interface. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: x86/sha256 - Add simd block functionHerbert Xu2-3/+10
Add CRYPTO_ARCH_HAVE_LIB_SHA256_SIMD and a SIMD block function so that the caller can decide whether to use SIMD. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: riscv/sha256 - Add simd block functionHerbert Xu2-4/+10
Add CRYPTO_ARCH_HAVE_LIB_SHA256_SIMD and a SIMD block function so that the caller can decide whether to use SIMD. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: arm64/sha256 - Add simd block functionHerbert Xu4-11/+12
Add CRYPTO_ARCH_HAVE_LIB_SHA256_SIMD and a SIMD block function so that the caller can decide whether to use SIMD. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: arm/sha256 - Add simd block functionHerbert Xu3-17/+18
Add CRYPTO_ARCH_HAVE_LIB_SHA256_SIMD and a SIMD block function so that the caller can decide whether to use SIMD. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: arch/sha256 - Export block functions as GPL onlyHerbert Xu8-16/+16
Export the block functions as GPL only, there is no reason to let arbitrary modules use these internal functions. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: sha256 - Use the partial block API for genericHerbert Xu2-39/+54
The shash interface already handles partial blocks, use it for sha224-generic and sha256-generic instead of going through the lib/sha256 interface. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-05-05crypto: lib/sha256 - Add helpers for block-based shashHerbert Xu3-23/+62
Add an internal sha256_finup helper and move the finalisation code from __sha256_final into it. Also add sha256_choose_blocks and CRYPTO_ARCH_HAVE_LIB_SHA256_SIMD so that the Crypto API can use the SIMD block function unconditionally. The Crypto API must not be used in hard IRQs and there is no reason to have a fallback path for hardirqs. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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