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* Merge branch 'linus' of ↵Linus Torvalds2020-04-0118-267/+149
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Fix out-of-sync IVs in self-test for IPsec AEAD algorithms Algorithms: - Use formally verified implementation of x86/curve25519 Drivers: - Enhance hwrng support in caam - Use crypto_engine for skcipher/aead/rsa/hash in caam - Add Xilinx AES driver - Add uacce driver - Register zip engine to uacce in hisilicon - Add support for OCTEON TX CPT engine in marvell" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (162 commits) crypto: af_alg - bool type cosmetics crypto: arm[64]/poly1305 - add artifact to .gitignore files crypto: caam - limit single JD RNG output to maximum of 16 bytes crypto: caam - enable prediction resistance in HRWNG bus: fsl-mc: add api to retrieve mc version crypto: caam - invalidate entropy register during RNG initialization crypto: caam - check if RNG job failed crypto: caam - simplify RNG implementation crypto: caam - drop global context pointer and init_done crypto: caam - use struct hwrng's .init for initialization crypto: caam - allocate RNG instantiation descriptor with GFP_DMA crypto: ccree - remove duplicated include from cc_aead.c crypto: chelsio - remove set but not used variable 'adap' crypto: marvell - enable OcteonTX cpt options for build crypto: marvell - add the Virtual Function driver for CPT crypto: marvell - add support for OCTEON TX CPT engine crypto: marvell - create common Kconfig and Makefile for Marvell crypto: arm/neon - memzero_explicit aes-cbc key crypto: bcm - Use scnprintf() for avoiding potential buffer overflow crypto: atmel-i2c - Fix wakeup fail ...
| * crypto: af_alg - bool type cosmeticsLothar Rubusch2020-03-302-8/+8
| | | | | | | | | | | | | | | | | | | | When working with bool values the true and false definitions should be used instead of 1 and 0. Hopefully I fixed my mailer and apologize for that. Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - do comparison tests before inauthentic input testsEric Biggers2020-03-121-2/+2
| | | | | | | | | | | | | | | | | | | | Do test_aead_vs_generic_impl() before test_aead_inauthentic_inputs() so that any differences with the generic driver are detected before getting to the inauthentic input tests, which intentionally use only the driver being tested (so that they run even if a generic driver is unavailable). Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: testmgr - use consistent IV copies for AEADs that need itEric Biggers2020-03-121-9/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rfc4543 was missing from the list of algorithms that may treat the end of the AAD buffer specially. Also, with rfc4106, rfc4309, rfc4543, and rfc7539esp, the end of the AAD buffer is actually supposed to contain a second copy of the IV, and we've concluded that if the IV copies don't match the behavior is implementation-defined. So, the fuzz tests can't easily test that case. So, make the fuzz tests only use inputs where the two IV copies match. Reported-by: Geert Uytterhoeven <geert+renesas@glider.be> Fixes: 40153b10d91c ("crypto: testmgr - fuzz AEADs against their generic implementation") Cc: Stephan Mueller <smueller@chronox.de> Originally-from: Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: xts - simplify error handling in ->create()Eric Biggers2020-03-061-17/+11
| | | | | | | | | | | | | | | | | | Simplify the error handling in the XTS template's ->create() function by taking advantage of crypto_drop_skcipher() now accepting (as a no-op) a spawn that hasn't been grabbed yet. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: rsa-pkcs1pad - simplify error handling in pkcs1pad_create()Eric Biggers2020-03-061-39/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Simplify the error handling in pkcs1pad_create() by taking advantage of crypto_grab_akcipher() now handling an ERR_PTR() name and by taking advantage of crypto_drop_akcipher() now accepting (as a no-op) a spawn that hasn't been grabbed yet. While we're at it, also simplify the way the hash_name optional argument is handled. We only need to check whether it's present in one place, and we can just assign directly to ctx->digest_info. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: pcrypt - simplify error handling in pcrypt_create_aead()Eric Biggers2020-03-061-24/+9
| | | | | | | | | | | | | | | | | | | | | | | | Simplify the error handling in pcrypt_create_aead() by taking advantage of crypto_grab_aead() now handling an ERR_PTR() name and by taking advantage of crypto_drop_aead() now accepting (as a no-op) a spawn that hasn't been grabbed yet. This required also making padata_free_shell() accept a NULL argument. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: lrw - simplify error handling in create()Eric Biggers2020-03-061-17/+11
| | | | | | | | | | | | | | | | | | Simplify the error handling in the LRW template's ->create() function by taking advantage of crypto_drop_skcipher() now accepting (as a no-op) a spawn that hasn't been grabbed yet. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: geniv - simply error handling in aead_geniv_alloc()Eric Biggers2020-03-061-12/+5
| | | | | | | | | | | | | | | | | | | | Simplify the error handling in aead_geniv_alloc() by taking advantage of crypto_grab_aead() now handling an ERR_PTR() name and by taking advantage of crypto_drop_aead() now accepting (as a no-op) a spawn that hasn't been grabbed yet. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: gcm - simplify error handling in crypto_rfc4543_create()Eric Biggers2020-03-061-25/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Simplify the error handling in crypto_rfc4543_create() by taking advantage of crypto_grab_aead() now handling an ERR_PTR() name and by taking advantage of crypto_drop_aead() now accepting (as a no-op) a spawn that hasn't been grabbed yet. Conveniently, this eliminates the 'ccm_name' variable which was incorrectly named (it should have been 'gcm_name'). Also fix a weird case where a line was terminated by a comma rather than a semicolon, causing the statement to be continued on the next line. Fortunately the code still behaved as intended, though. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: gcm - simplify error handling in crypto_rfc4106_create()Eric Biggers2020-03-061-20/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | Simplify the error handling in crypto_rfc4106_create() by taking advantage of crypto_grab_aead() now handling an ERR_PTR() name and by taking advantage of crypto_drop_aead() now accepting (as a no-op) a spawn that hasn't been grabbed yet. Conveniently, this eliminates the 'ccm_name' variable which was incorrectly named (it should have been 'gcm_name'). Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: cts - simplify error handling in crypto_cts_create()Eric Biggers2020-03-061-19/+8
| | | | | | | | | | | | | | | | | | | | Simplify the error handling in crypto_cts_create() by taking advantage of crypto_grab_skcipher() now handling an ERR_PTR() name and by taking advantage of crypto_drop_skcipher() now accepting (as a no-op) a spawn that hasn't been grabbed yet. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: ctr - simplify error handling in crypto_rfc3686_create()Eric Biggers2020-03-061-20/+9
| | | | | | | | | | | | | | | | | | | | Simplify the error handling in crypto_rfc3686_create() by taking advantage of crypto_grab_skcipher() now handling an ERR_PTR() name and by taking advantage of crypto_drop_skcipher() now accepting (as a no-op) a spawn that hasn't been grabbed yet. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: cryptd - simplify error handling in cryptd_create_*()Eric Biggers2020-03-061-26/+11
| | | | | | | | | | | | | | | | | | | | Simplify the error handling in the various cryptd_create_*() functions by taking advantage of crypto_grab_*() now handling an ERR_PTR() name and by taking advantage of crypto_drop_*() now accepting (as a no-op) a spawn that hasn't been grabbed yet. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: ccm - simplify error handling in crypto_rfc4309_create()Eric Biggers2020-03-061-20/+9
| | | | | | | | | | | | | | | | | | | | Simplify the error handling in crypto_rfc4309_create() by taking advantage of crypto_grab_aead() now handling an ERR_PTR() name and by taking advantage of crypto_drop_aead() now accepting (as a no-op) a spawn that hasn't been grabbed yet. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: authencesn - fix weird comma-terminated lineEric Biggers2020-03-061-1/+1
| | | | | | | | | | | | | | | | | | Fix a weird case where a line was terminated by a comma rather than a semicolon, causing the statement to be continued on the next line. Fortunately the code still behaved as intended, though. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: md5 - remove unused macrosYueHaibing2020-02-281-3/+0
| | | | | | | | | | | | | | | | | | | | | | crypto/md5.c:26:0: warning: macro "MD5_DIGEST_WORDS" is not used [-Wunused-macros] crypto/md5.c:27:0: warning: macro "MD5_MESSAGE_BYTES" is not used [-Wunused-macros] They are never used since commit 3c7eb3cc8360 ("md5: remove from lib and only live in crypto"). Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: tcrypt - fix printed skcipher [a]sync modeHoria Geantă2020-02-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When running tcrypt skcipher speed tests, logs contain things like: testing speed of async ecb(des3_ede) (ecb(des3_ede-generic)) encryption or: testing speed of async ecb(aes) (ecb(aes-ce)) encryption The algorithm implementations are sync, not async. Fix this inaccuracy. Fixes: 7166e589da5b6 ("crypto: tcrypt - Use skcipher") Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: proc - simplify the c_show functionTianjia Zhang2020-02-131-1/+1
| | | | | | | | | | | | | | The path with the CRYPTO_ALG_LARVAL flag has jumped to the end before Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: rng - Fix a refcounting bug in crypto_rng_reset()Dan Carpenter2020-02-131-2/+6
| | | | | | | | | | | | | | | | | | | | We need to decrement this refcounter on these error paths. Fixes: f7d76e05d058 ("crypto: user - fix use_after_free of struct xxx_request") Cc: <stable@vger.kernel.org> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | Merge branch 'next-integrity' of ↵Linus Torvalds2020-02-211-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity Pull IMA fixes from Mimi Zohar: "Two bug fixes and an associated change for each. The one that adds SM3 to the IMA list of supported hash algorithms is a simple change, but could be considered a new feature" * 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity: ima: add sm3 algorithm to hash algorithm configuration list crypto: rename sm3-256 to sm3 in hash_algo_name efi: Only print errors about failing to get certs if EFI vars are found x86/ima: use correct identifier for SetupMode variable
| * | crypto: rename sm3-256 to sm3 in hash_algo_nameTianjia Zhang2020-02-181-1/+1
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | The name sm3-256 is defined in hash_algo_name in hash_info, but the algorithm name implemented in sm3_generic.c is sm3, which will cause the sm3-256 algorithm to be not found in some application scenarios of the hash algorithm, and an ENOENT error will occur. For example, IMA, keys, and other subsystems that reference hash_algo_name all use the hash algorithm of sm3. Fixes: 5ca4c20cfd37 ("keys, trusted: select hash algorithm for TPM2 chips") Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Reviewed-by: Pascal van Leeuwen <pvanleeuwen@rambus.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
* | Merge tag 's390-5.6-3' of ↵Linus Torvalds2020-02-151-0/+36
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Vasily Gorbik: - Enable paes-s390 cipher selftests in testmgr (acked-by Herbert Xu). - Fix protected key length update in PKEY_SEC2PROTK ioctl and increase card/queue requests counter to 64-bit in crypto code. - Fix clang warning in get_tod_clock. - Fix ultravisor info length extensions handling. - Fix style of SPDX License Identifier in vfio-ccw. - Avoid unnecessary GFP_ATOMIC and simplify ACK tracking in qdio. * tag 's390-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: crypto/testmgr: enable selftests for paes-s390 ciphers s390/time: Fix clk type in get_tod_clock s390/uv: Fix handling of length extensions s390/qdio: don't allocate *aob array with GFP_ATOMIC s390/qdio: simplify ACK tracking s390/zcrypt: fix card and queue total counter wrap s390/pkey: fix missing length of protected key on return vfio-ccw: Use the correct style for SPDX License Identifier
| * | crypto/testmgr: enable selftests for paes-s390 ciphersHarald Freudenberger2020-02-131-0/+36
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch enables the selftests for the s390 specific protected key AES (PAES) cipher implementations: * cbc-paes-s390 * ctr-paes-s390 * ecb-paes-s390 * xts-paes-s390 PAES is an AES cipher but with encrypted ('protected') key material. However, the paes ciphers are able to derive an protected key from clear key material with the help of the pkey kernel module. So this patch now enables the generic AES tests for the paes ciphers. Under the hood the setkey() functions rearrange the clear key values as clear key token and so the pkey kernel module is able to provide protected key blobs from the given clear key values. The derived protected key blobs are then used within the paes cipers and should produce the very same results as the generic AES implementation with the clear key values. The s390-paes cipher testlist entries are surrounded by #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390) because they don't make any sense on non s390 platforms or without the PAES cipher implementation. Link: http://lkml.kernel.org/r/20200213083946.zicarnnt3wizl5ty@gondor.apana.org.au Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
* | Merge branch 'linus' of ↵Linus Torvalds2020-02-131-4/+0
|\ \ | |/ |/| | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fix from Herbert Xu: "This fixes a Kconfig anomaly when lib/crypto is enabled without Crypto API" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: Kconfig - allow tests to be disabled when manager is disabled
| * crypto: Kconfig - allow tests to be disabled when manager is disabledJason A. Donenfeld2020-02-051-4/+0
| | | | | | | | | | | | | | | | | | | | The library code uses CRYPTO_MANAGER_DISABLE_TESTS to conditionalize its tests, but the library code can also exist without CRYPTO_MANAGER. That means on minimal configs, the test code winds up being built with no way to disable it. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* | treewide: remove redundant IS_ERR() before error code checkMasahiro Yamada2020-02-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'PTR_ERR(p) == -E*' is a stronger condition than IS_ERR(p). Hence, IS_ERR(p) is unneeded. The semantic patch that generates this commit is as follows: // <smpl> @@ expression ptr; constant error_code; @@ -IS_ERR(ptr) && (PTR_ERR(ptr) == - error_code) +PTR_ERR(ptr) == - error_code // </smpl> Link: http://lkml.kernel.org/r/20200106045833.1725-1-masahiroy@kernel.org Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Cc: Julia Lawall <julia.lawall@lip6.fr> Acked-by: Stephen Boyd <sboyd@kernel.org> [drivers/clk/clk.c] Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> [GPIO] Acked-by: Wolfram Sang <wsa@the-dreams.de> [drivers/i2c] Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> [acpi/scan.c] Acked-by: Rob Herring <robh@kernel.org> Cc: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'linus' of ↵Linus Torvalds2020-01-2964-1370/+1267
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Removed CRYPTO_TFM_RES flags - Extended spawn grabbing to all algorithm types - Moved hash descsize verification into API code Algorithms: - Fixed recursive pcrypt dead-lock - Added new 32 and 64-bit generic versions of poly1305 - Added cryptogams implementation of x86/poly1305 Drivers: - Added support for i.MX8M Mini in caam - Added support for i.MX8M Nano in caam - Added support for i.MX8M Plus in caam - Added support for A33 variant of SS in sun4i-ss - Added TEE support for Raven Ridge in ccp - Added in-kernel API to submit TEE commands in ccp - Added AMD-TEE driver - Added support for BCM2711 in iproc-rng200 - Added support for AES256-GCM based ciphers for chtls - Added aead support on SEC2 in hisilicon" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (244 commits) crypto: arm/chacha - fix build failured when kernel mode NEON is disabled crypto: caam - add support for i.MX8M Plus crypto: x86/poly1305 - emit does base conversion itself crypto: hisilicon - fix spelling mistake "disgest" -> "digest" crypto: chacha20poly1305 - add back missing test vectors and test chunking crypto: x86/poly1305 - fix .gitignore typo tee: fix memory allocation failure checks on drv_data and amdtee crypto: ccree - erase unneeded inline funcs crypto: ccree - make cc_pm_put_suspend() void crypto: ccree - split overloaded usage of irq field crypto: ccree - fix PM race condition crypto: ccree - fix FDE descriptor sequence crypto: ccree - cc_do_send_request() is void func crypto: ccree - fix pm wrongful error reporting crypto: ccree - turn errors to debug msgs crypto: ccree - fix AEAD decrypt auth fail crypto: ccree - fix typo in comment crypto: ccree - fix typos in error msgs crypto: atmel-{aes,sha,tdes} - Retire crypto_platform_data crypto: x86/sha - Eliminate casts on asm implementations ...
| * crypto: essiv - fix AEAD capitalization and preposition use in help textGeert Uytterhoeven2020-01-161-2/+2
| | | | | | | | | | | | | | | | | | "AEAD" is capitalized everywhere else. Use "an" when followed by a written or spoken vowel. Fixes: be1eb7f78aa8fbe3 ("crypto: essiv - create wrapper template for ESSIV generation") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: poly1305 - add new 32 and 64-bit generic versionsJason A. Donenfeld2020-01-163-4/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These two C implementations from Zinc -- a 32x32 one and a 64x64 one, depending on the platform -- come from Andrew Moon's public domain poly1305-donna portable code, modified for usage in the kernel. The precomputation in the 32-bit version and the use of 64x64 multiplies in the 64-bit version make these perform better than the code it replaces. Moon's code is also very widespread and has received many eyeballs of scrutiny. There's a bit of interference between the x86 implementation, which relies on internal details of the old scalar implementation. In the next commit, the x86 implementation will be replaced with a faster one that doesn't rely on this, so none of this matters much. But for now, to keep this passing the tests, we inline the bits of the old implementation that the x86 implementation relied on. Also, since we now support a slightly larger key space, via the union, some offsets had to be fixed up. Nonce calculation was folded in with the emit function, to take advantage of 64x64 arithmetic. However, Adiantum appeared to rely on no nonce handling in emit, so this path was conditionalized. We also introduced a new struct, poly1305_core_key, to represent the precise amount of space that particular implementation uses. Testing with kbench9000, depending on the CPU, the update function for the 32x32 version has been improved by 4%-7%, and for the 64x64 by 19%-30%. The 32x32 gains are small, but I think there's great value in having a parallel implementation to the 64x64 one so that the two can be compared side-by-side as nice stand-alone units. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: algapi - enforce that all instances have a ->free() methodEric Biggers2020-01-095-0/+14
| | | | | | | | | | | | | | | | | | | | All instances need to have a ->free() method, but people could forget to set it and then not notice if the instance is never unregistered. To help detect this bug earlier, don't allow an instance without a ->free() method to be registered, and complain loudly if someone tries to do it. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: algapi - remove crypto_template::{alloc,free}()Eric Biggers2020-01-095-31/+1
| | | | | | | | | | | | | | | | | | | | Now that all templates provide a ->create() method which creates an instance, installs a strongly-typed ->free() method directly to it, and registers it, the older ->alloc() and ->free() methods in 'struct crypto_template' are no longer used. Remove them. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: shash - convert shash_free_instance() to new styleEric Biggers2020-01-096-14/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert shash_free_instance() and its users to the new way of freeing instances, where a ->free() method is installed to the instance struct itself. This replaces the weakly-typed method crypto_template::free(). This will allow removing support for the old way of freeing instances. Also give shash_free_instance() a more descriptive name to reflect that it's only for instances with a single spawn, not for any instance. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: cryptd - convert to new way of freeing instancesEric Biggers2020-01-091-22/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert the "cryptd" template to the new way of freeing instances, where a ->free() method is installed to the instance struct itself. This replaces the weakly-typed method crypto_template::free(). This will allow removing support for the old way of freeing instances. Note that the 'default' case in cryptd_free() was already unreachable. So, we aren't missing anything by keeping only the ahash and aead parts. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: geniv - convert to new way of freeing instancesEric Biggers2020-01-093-39/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert the "seqiv" template to the new way of freeing instances where a ->free() method is installed to the instance struct itself. Also remove the unused implementation of the old way of freeing instances from the "echainiv" template, since it's already using the new way too. In doing this, also simplify the code by making the helper function aead_geniv_alloc() install the ->free() method, instead of making seqiv and echainiv do this themselves. This is analogous to how skcipher_alloc_instance_simple() works. This will allow removing support for the old way of freeing instances. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: hash - add support for new way of freeing instancesEric Biggers2020-01-092-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | Add support to shash and ahash for the new way of freeing instances (already used for skcipher, aead, and akcipher) where a ->free() method is installed to the instance struct itself. These methods are more strongly-typed than crypto_template::free(), which they replace. This will allow removing support for the old way of freeing instances. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: algapi - fold crypto_init_spawn() into crypto_grab_spawn()Eric Biggers2020-01-091-29/+14
| | | | | | | | | | | | | | | | | | | | | | | | Now that crypto_init_spawn() is only called by crypto_grab_spawn(), simplify things by moving its functionality into crypto_grab_spawn(). In the process of doing this, also be more consistent about when the spawn and instance are updated, and remove the crypto_spawn::dropref flag since now it's always set. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: ahash - unexport crypto_ahash_typeEric Biggers2020-01-091-2/+3
| | | | | | | | | | | | | | | | | | Now that all the templates that need ahash spawns have been converted to use crypto_grab_ahash() rather than look up the algorithm directly, crypto_ahash_type is no longer used outside of ahash.c. Make it static. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: algapi - remove obsoleted instance creation helpersEric Biggers2020-01-093-101/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove lots of helper functions that were previously used for instantiating crypto templates, but are now unused: - crypto_get_attr_alg() and similar functions looked up an inner algorithm directly from a template parameter. These were replaced with getting the algorithm's name, then calling crypto_grab_*(). - crypto_init_spawn2() and similar functions initialized a spawn, given an algorithm. Similarly, these were replaced with crypto_grab_*(). - crypto_alloc_instance() and similar functions allocated an instance with a single spawn, given the inner algorithm. These aren't useful anymore since crypto_grab_*() need the instance allocated first. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: cipher - make crypto_spawn_cipher() take a crypto_cipher_spawnEric Biggers2020-01-096-6/+6
| | | | | | | | | | | | | | | | | | | | Now that all users of single-block cipher spawns have been converted to use 'struct crypto_cipher_spawn' rather than the less specifically typed 'struct crypto_spawn', make crypto_spawn_cipher() take a pointer to a 'struct crypto_cipher_spawn' rather than a 'struct crypto_spawn'. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: xcbc - use crypto_grab_cipher() and simplify error pathsEric Biggers2020-01-091-22/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the xcbc template use the new function crypto_grab_cipher() to initialize its cipher spawn. This is needed to make all spawns be initialized in a consistent way. This required making xcbc_create() allocate the instance directly rather than use shash_alloc_instance(). Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet, and by taking advantage of crypto_grab_*() now handling ERR_PTR() names. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: vmac - use crypto_grab_cipher() and simplify error pathsEric Biggers2020-01-091-18/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the vmac64 template use the new function crypto_grab_cipher() to initialize its cipher spawn. This is needed to make all spawns be initialized in a consistent way. This required making vmac_create() allocate the instance directly rather than use shash_alloc_instance(). Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet, and by taking advantage of crypto_grab_*() now handling ERR_PTR() names. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: cmac - use crypto_grab_cipher() and simplify error pathsEric Biggers2020-01-091-18/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the cmac template use the new function crypto_grab_cipher() to initialize its cipher spawn. This is needed to make all spawns be initialized in a consistent way. This required making cmac_create() allocate the instance directly rather than use shash_alloc_instance(). Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet, and by taking advantage of crypto_grab_*() now handling ERR_PTR() names. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: cbcmac - use crypto_grab_cipher() and simplify error pathsEric Biggers2020-01-091-18/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the cbcmac template use the new function crypto_grab_cipher() to initialize its cipher spawn. This is needed to make all spawns be initialized in a consistent way. This required making cbcmac_create() allocate the instance directly rather than use shash_alloc_instance(). Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet, and by taking advantage of crypto_grab_*() now handling ERR_PTR() names. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: skcipher - use crypto_grab_cipher() and simplify error pathsEric Biggers2020-01-091-24/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Make skcipher_alloc_instance_simple() use the new function crypto_grab_cipher() to initialize its cipher spawn. This is needed to make all spawns be initialized in a consistent way. Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet, and by taking advantage of crypto_grab_*() now handling ERR_PTR() names. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: chacha20poly1305 - use crypto_grab_ahash() and simplify error pathsEric Biggers2020-01-091-57/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the rfc7539 and rfc7539esp templates use the new function crypto_grab_ahash() to initialize their ahash spawn. This is needed to make all spawns be initialized in a consistent way. Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet, and by taking advantage of crypto_grab_*() now handling ERR_PTR() names. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: ccm - use crypto_grab_ahash() and simplify error pathsEric Biggers2020-01-091-41/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | Make the ccm and ccm_base templates use the new function crypto_grab_ahash() to initialize their ahash spawn. This is needed to make all spawns be initialized in a consistent way. Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: gcm - use crypto_grab_ahash() and simplify error pathsEric Biggers2020-01-091-36/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | Make the gcm and gcm_base templates use the new function crypto_grab_ahash() to initialize their ahash spawn. This is needed to make all spawns be initialized in a consistent way. Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: authencesn - use crypto_grab_ahash() and simplify error pathsEric Biggers2020-01-091-38/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the authencesn template use the new function crypto_grab_ahash() to initialize its ahash spawn. This is needed to make all spawns be initialized in a consistent way. Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet, and by taking advantage of crypto_grab_*() now handling ERR_PTR() names. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * crypto: authenc - use crypto_grab_ahash() and simplify error pathsEric Biggers2020-01-091-38/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the authenc template use the new function crypto_grab_ahash() to initialize its ahash spawn. This is needed to make all spawns be initialized in a consistent way. Also simplify the error handling by taking advantage of crypto_drop_*() now accepting (as a no-op) spawns that haven't been initialized yet, and by taking advantage of crypto_grab_*() now handling ERR_PTR() names. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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