Commit Graph

284 Commits

Author SHA1 Message Date
Tianjia Zhang 68039d605f crypto: testmgr - Add GCM/CCM mode test of SM4 algorithm
The GCM/CCM mode of the SM4 algorithm is defined in the rfc 8998
specification, and the test case data also comes from rfc 8998.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-08-21 15:44:57 +08:00
Stephan Müller 8833272d87 crypto: drbg - self test for HMAC(SHA-512)
Considering that the HMAC(SHA-512) DRBG is the default DRBG now, a self
test is to be provided.

The test vector is obtained from a successful NIST ACVP test run.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-06-28 11:28:08 +08:00
Hui Tang 8e568fc2a7 crypto: ecdh - add test suite for NIST P384
Add test vector params for NIST P384, add test vector for
NIST P384 on vector of tests.

Vector param from:
https://datatracker.ietf.org/doc/html/rfc5903#section-3.1

Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-05-28 15:11:47 +08:00
Hui Tang 6889fc2104 crypto: ecdh - fix ecdh-nist-p192's entry in testmgr
Add a comment that p192 will fail to register in FIPS mode.

Fix ecdh-nist-p192's entry in testmgr by removing the ifdefs
and not setting fips_allowed.

Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-05-28 15:11:47 +08:00
Herbert Xu 3877869d13 Merge branch 'ecc'
This pulls in the NIST P384/256/192 x509 changes.
2021-03-26 19:55:55 +11:00
Saulo Alessandre c12d448ba9 crypto: ecdsa - Register NIST P384 and extend test suite
Register NIST P384 as an akcipher and extend the testmgr with
NIST P384-specific test vectors.

Summary of changes:

* crypto/ecdsa.c
  - add ecdsa_nist_p384_init_tfm
  - register and unregister P384 tfm

* crypto/testmgr.c
  - add test vector for P384 on vector of tests

* crypto/testmgr.h
  - add test vector params for P384(sha1, sha224, sha256, sha384
    and sha512)

Signed-off-by: Saulo Alessandre <saulo.alessandre@tse.jus.br>
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-03-26 19:41:58 +11:00
Stefan Berger 4e6602916b crypto: ecdsa - Add support for ECDSA signature verification
Add support for parsing the parameters of a NIST P256 or NIST P192 key.
Enable signature verification using these keys. The new module is
enabled with CONFIG_ECDSA:
  Elliptic Curve Digital Signature Algorithm (NIST P192, P256 etc.)
  is A NIST cryptographic standard algorithm. Only signature verification
  is implemented.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-03-26 19:41:58 +11:00
Meng Yu 6763f5ea2d crypto: ecdh - move curve_id of ECDH from the key to algorithm name
1. crypto and crypto/atmel-ecc:
   Move curve id of ECDH from the key into the algorithm name instead
   in crypto and atmel-ecc, so ECDH algorithm name change form 'ecdh'
   to 'ecdh-nist-pxxx', and we cannot use 'curve_id' in 'struct ecdh';
2. crypto/testmgr and net/bluetooth:
   Modify 'testmgr.c', 'testmgr.h' and 'net/bluetooth' to adapt
   the modification.

Signed-off-by: Meng Yu <yumeng18@huawei.com>
Reviewed-by: Zaibo Xu <xuzaibo@huawei.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-03-13 00:04:03 +11:00
Kai Ye e40ff6f3ea crypto: testmgr - delete some redundant code
Delete sg_data function, because sg_data function definition same as
sg_virt(), so need to delete it and use sg_virt() replace to sg_data().

Signed-off-by: Kai Ye <yekai13@huawei.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-03-07 15:13:18 +11:00
Ard Biesheuvel 784506a1df crypto: serpent - get rid of obsolete tnepres variant
It is not trivial to trace back why exactly the tnepres variant of
serpent was added ~17 years ago - Google searches come up mostly empty,
but it seems to be related with the 'kerneli' version, which was based
on an incorrect interpretation of the serpent spec.

In other words, nobody is likely to care anymore today, so let's get rid
of it.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-02-10 17:55:56 +11:00
Ard Biesheuvel 663f63ee6d crypto: salsa20 - remove Salsa20 stream cipher algorithm
Salsa20 is not used anywhere in the kernel, is not suitable for disk
encryption, and widely considered to have been superseded by ChaCha20.
So let's remove it.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by:  Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-01-29 16:07:04 +11:00
Ard Biesheuvel 87cd723f89 crypto: tgr192 - remove Tiger 128/160/192 hash algorithms
Tiger is never referenced anywhere in the kernel, and unlikely
to be depended upon by userspace via AF_ALG. So let's remove it.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-01-29 16:07:04 +11:00
Ard Biesheuvel 93f6420292 crypto: rmd320 - remove RIPE-MD 320 hash algorithm
RIPE-MD 320 is never referenced anywhere in the kernel, and unlikely
to be depended upon by userspace via AF_ALG. So let's remove it

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-01-29 16:07:04 +11:00
Ard Biesheuvel c15d4167f0 crypto: rmd256 - remove RIPE-MD 256 hash algorithm
RIPE-MD 256 is never referenced anywhere in the kernel, and unlikely
to be depended upon by userspace via AF_ALG. So let's remove it

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-01-29 16:07:03 +11:00
Ard Biesheuvel b21b9a5e0a crypto: rmd128 - remove RIPE-MD 128 hash algorithm
RIPE-MD 128 is never referenced anywhere in the kernel, and unlikely
to be depended upon by userspace via AF_ALG. So let's remove it.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-01-29 16:07:03 +11:00
Ard Biesheuvel 0eb76ba29d crypto: remove cipher routines from public crypto API
The cipher routines in the crypto API are mostly intended for templates
implementing skcipher modes generically in software, and shouldn't be
used outside of the crypto subsystem. So move the prototypes and all
related definitions to a new header file under include/crypto/internal.
Also, let's use the new module namespace feature to move the symbol
exports into a new namespace CRYPTO_INTERNAL.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2021-01-03 08:41:35 +11:00
Eric Biggers 09a5ef9644 crypto: testmgr - WARN on test failure
Currently, by default crypto self-test failures only result in a
pr_warn() message and an "unknown" status in /proc/crypto.  Both of
these are easy to miss.  There is also an option to panic the kernel
when a test fails, but that can't be the default behavior.

A crypto self-test failure always indicates a kernel bug, however, and
there's already a standard way to report (recoverable) kernel bugs --
the WARN() family of macros.  WARNs are noisier and harder to miss, and
existing test systems already know to look for them in dmesg or via
/proc/sys/kernel/tainted.

Therefore, call WARN() when an algorithm fails its self-tests.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-11-06 14:29:10 +11:00
Eric Biggers 6e5972fa4a crypto: testmgr - always print the actual skcipher driver name
When alg_test() is called from tcrypt.ko rather than from the algorithm
registration code, "driver" is actually the algorithm name, not the
driver name.  So it shouldn't be used in places where a driver name is
wanted, e.g. when reporting a test failure or when checking whether the
driver is the generic driver or not.

Fix this for the skcipher algorithm tests by getting the driver name
from the crypto_skcipher that actually got allocated.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-11-06 14:29:10 +11:00
Eric Biggers 2257f4712d crypto: testmgr - always print the actual AEAD driver name
When alg_test() is called from tcrypt.ko rather than from the algorithm
registration code, "driver" is actually the algorithm name, not the
driver name.  So it shouldn't be used in places where a driver name is
wanted, e.g. when reporting a test failure or when checking whether the
driver is the generic driver or not.

Fix this for the AEAD algorithm tests by getting the driver name from
the crypto_aead that actually got allocated.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-11-06 14:29:10 +11:00
Eric Biggers 79cafe9a8b crypto: testmgr - always print the actual hash driver name
When alg_test() is called from tcrypt.ko rather than from the algorithm
registration code, "driver" is actually the algorithm name, not the
driver name.  So it shouldn't be used in places where a driver name is
wanted, e.g. when reporting a test failure or when checking whether the
driver is the generic driver or not.

Fix this for the hash algorithm tests by getting the driver name from
the crypto_ahash or crypto_shash that actually got allocated.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-11-06 14:29:10 +11:00
Tianjia Zhang 8b805b97fc crypto: sm2 - add SM2 test vectors to testmgr
Add testmgr test vectors for SM2 algorithm. These vectors come
from `openssl pkeyutl -sign` and libgcrypt.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Tested-by: Xufeng Zhang <yunbo.xufeng@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-09-25 17:48:54 +10:00
Tianjia Zhang 2b40386774 crypto: testmgr - Fix potential memory leak in test_akcipher_one()
When the 'key' allocation fails, the 'req' will not be released,
which will cause memory leakage on this path. This patch adds a
'free_req' tag used to solve this problem, and two new err values
are added to reflect the real reason of the error.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-09-25 17:48:54 +10:00
Tianjia Zhang a1f62c217d crypto: testmgr - support test with different ciphertext per encryption
Some asymmetric algorithms will get different ciphertext after
each encryption, such as SM2, and let testmgr support the testing
of such algorithms.

In struct akcipher_testvec, set c and c_size to be empty, skip
the comparison of the ciphertext, and compare the decrypted
plaintext with m to achieve the test purpose.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Tested-by: Xufeng Zhang <yunbo.xufeng@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-09-25 17:48:54 +10:00
Herbert Xu 0c3dc787a6 crypto: algapi - Remove skbuff.h inclusion
The header file algapi.h includes skbuff.h unnecessarily since
all we need is a forward declaration for struct sk_buff.  This
patch removes that inclusion.

Unfortunately skbuff.h pulls in a lot of things and drivers over
the years have come to rely on it so this patch adds a lot of
missing inclusions that result from this.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-08-20 14:04:28 +10:00
Waiman Long 453431a549 mm, treewide: rename kzfree() to kfree_sensitive()
As said by Linus:

  A symmetric naming is only helpful if it implies symmetries in use.
  Otherwise it's actively misleading.

  In "kzalloc()", the z is meaningful and an important part of what the
  caller wants.

  In "kzfree()", the z is actively detrimental, because maybe in the
  future we really _might_ want to use that "memfill(0xdeadbeef)" or
  something. The "zero" part of the interface isn't even _relevant_.

The main reason that kzfree() exists is to clear sensitive information
that should not be leaked to other future users of the same memory
objects.

Rename kzfree() to kfree_sensitive() to follow the example of the recently
added kvfree_sensitive() and make the intention of the API more explicit.
In addition, memzero_explicit() is used to clear the memory to make sure
that it won't get optimized away by the compiler.

The renaming is done by using the command sequence:

  git grep -w --name-only kzfree |\
  xargs sed -i 's/kzfree/kfree_sensitive/'

followed by some editing of the kfree_sensitive() kerneldoc and adding
a kzfree backward compatibility macro in slab.h.

[akpm@linux-foundation.org: fs/crypto/inline_crypt.c needs linux/slab.h]
[akpm@linux-foundation.org: fix fs/crypto/inline_crypt.c some more]

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: James Morris <jmorris@namei.org>
Cc: "Serge E. Hallyn" <serge@hallyn.com>
Cc: Joe Perches <joe@perches.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: "Jason A . Donenfeld" <Jason@zx2c4.com>
Link: http://lkml.kernel.org/r/20200616154311.12314-3-longman@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-07 11:33:22 -07:00
Linus Torvalds 72f35423e8 Merge branch 'linus' of 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
  ...
2020-04-01 14:47:40 -07:00
Eric Biggers 8ff357a9d1 crypto: testmgr - do comparison tests before inauthentic input tests
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>
2020-03-12 23:00:13 +11:00
Eric Biggers 6f3a06d959 crypto: testmgr - use consistent IV copies for AEADs that need it
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: 40153b10d9 ("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>
2020-03-12 23:00:13 +11:00
Harald Freudenberger c7ff8573ad crypto/testmgr: enable selftests for paes-s390 ciphers
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>
2020-02-13 17:53:24 +01:00
Eric Biggers 49763fc6b1 crypto: testmgr - generate inauthentic AEAD test vectors
The whole point of using an AEAD over length-preserving encryption is
that the data is authenticated.  However currently the fuzz tests don't
test any inauthentic inputs to verify that the data is actually being
authenticated.  And only two algorithms ("rfc4543(gcm(aes))" and
"ccm(aes)") even have any inauthentic test vectors at all.

Therefore, update the AEAD fuzz tests to sometimes generate inauthentic
test vectors, either by generating a (ciphertext, AAD) pair without
using the key, or by mutating an authentic pair that was generated.

To avoid flakiness, only assume this works reliably if the auth tag is
at least 8 bytes.  Also account for the rfc4106, rfc4309, and rfc7539esp
algorithms intentionally ignoring the last 8 AAD bytes, and for some
algorithms doing extra checks that result in EINVAL rather than EBADMSG.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-12-11 16:37:01 +08:00
Eric Biggers 2ea915054c crypto: testmgr - create struct aead_extra_tests_ctx
In preparation for adding inauthentic input fuzz tests, which don't
require that a generic implementation of the algorithm be available,
refactor test_aead_vs_generic_impl() so that instead there's a
higher-level function test_aead_extra() which initializes a struct
aead_extra_tests_ctx and then calls test_aead_vs_generic_impl() with a
pointer to that struct.

As a bonus, this reduces stack usage.

Also switch from crypto_aead_alg(tfm)->maxauthsize to
crypto_aead_maxauthsize(), now that the latter is available in
<crypto/aead.h>.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-12-11 16:37:01 +08:00
Eric Biggers fd8c37c72d crypto: testmgr - test setting misaligned keys
The alignment bug in ghash_setkey() fixed by commit 5c6bc4dfa5
("crypto: ghash - fix unaligned memory access in ghash_setkey()")
wasn't reliably detected by the crypto self-tests on ARM because the
tests only set the keys directly from the test vectors.

To improve test coverage, update the tests to sometimes pass misaligned
keys to setkey().  This applies to shash, ahash, skcipher, and aead.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-12-11 16:37:01 +08:00
Eric Biggers fd60f72787 crypto: testmgr - check skcipher min_keysize
When checking two implementations of the same skcipher algorithm for
consistency, require that the minimum key size be the same, not just the
maximum key size.  There's no good reason to allow different minimum key
sizes.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-12-11 16:37:01 +08:00
Eric Biggers eb455dbd02 crypto: testmgr - don't try to decrypt uninitialized buffers
Currently if the comparison fuzz tests encounter an encryption error
when generating an skcipher or AEAD test vector, they will still test
the decryption side (passing it the uninitialized ciphertext buffer)
and expect it to fail with the same error.

This is sort of broken because it's not well-defined usage of the API to
pass an uninitialized buffer, and furthermore in the AEAD case it's
acceptable for the decryption error to be EBADMSG (meaning "inauthentic
input") even if the encryption error was something else like EINVAL.

Fix this for skcipher by explicitly initializing the ciphertext buffer
on error, and for AEAD by skipping the decryption test on error.

Reported-by: Pascal Van Leeuwen <pvanleeuwen@verimatrix.com>
Fixes: d435e10e67 ("crypto: testmgr - fuzz skciphers against their generic implementation")
Fixes: 40153b10d9 ("crypto: testmgr - fuzz AEADs against their generic implementation")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-12-11 16:37:00 +08:00
Eric Biggers 9ac0d13693 crypto: skcipher - remove crypto_skcipher::keysize
Due to the removal of the blkcipher and ablkcipher algorithm types,
crypto_skcipher::keysize is now redundant since it always equals
crypto_skcipher_alg(tfm)->max_keysize.

Remove it and update crypto_skcipher_default_keysize() accordingly.

Also rename crypto_skcipher_default_keysize() to
crypto_skcipher_max_keysize() to clarify that it specifically returns
the maximum key size, not some unspecified "default".

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-12-11 16:36:56 +08:00
Ard Biesheuvel f613457a7a crypto: curve25519 - add kpp selftest
In preparation of introducing KPP implementations of Curve25519, import
the set of test cases proposed by the Zinc patch set, but converted to
the KPP format.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-11-17 09:02:43 +08:00
Ard Biesheuvel 17e1df6702 crypto: testmgr - add test cases for Blake2s
As suggested by Eric for the Blake2b implementation contributed by
David, introduce a set of test vectors for Blake2s covering different
digest and key sizes.

          blake2s-128  blake2s-160  blake2s-224  blake2s-256
         ---------------------------------------------------
len=0   | klen=0       klen=1       klen=16      klen=32
len=1   | klen=16      klen=32      klen=0       klen=1
len=7   | klen=32      klen=0       klen=1       klen=16
len=15  | klen=1       klen=16      klen=32      klen=0
len=64  | klen=0       klen=1       klen=16      klen=32
len=247 | klen=16      klen=32      klen=0       klen=1
len=256 | klen=32      klen=0       klen=1       klen=16

Cc: David Sterba <dsterba@suse.com>
Cc: Eric Biggers <ebiggers@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-11-17 09:02:42 +08:00
David Sterba a1afe27492 crypto: testmgr - add test vectors for blake2b
Test vectors for blake2b with various digest sizes. As the algorithm is
the same up to the digest calculation, the key and input data length is
distributed in a way that tests all combinanions of the two over the
digest sizes.

Based on the suggestion from Eric, the following input sizes are tested
[0, 1, 7, 15, 64, 247, 256], where blake2b blocksize is 128, so the
padded and the non-padded input buffers are tested.

          blake2b-160  blake2b-256  blake2b-384  blake2b-512
         ---------------------------------------------------
len=0   | klen=0       klen=1       klen=32      klen=64
len=1   | klen=32      klen=64      klen=0       klen=1
len=7   | klen=64      klen=0       klen=1       klen=32
len=15  | klen=1       klen=32      klen=64      klen=0
len=64  | klen=0       klen=1       klen=32      klen=64
len=247 | klen=32      klen=64      klen=0       klen=1
len=256 | klen=64      klen=0       klen=1       klen=32

Where key:

- klen=0: empty key
- klen=1: 1 byte value 0x42, 'B'
- klen=32: first 32 bytes of the default key, sequence 00..1f
- klen=64: default key, sequence 00..3f

The unkeyed vectors are ordered before keyed, as this is required by
testmgr.

CC: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-11-01 13:38:31 +08:00
Pascal van Leeuwen e48862147f crypto: testmgr - Added testvectors for the rfc3686(ctr(sm4)) skcipher
Added testvectors for the rfc3686(ctr(sm4)) skcipher algorithm

changes since v1:
- nothing

Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-10-05 01:06:05 +10:00
Pascal van Leeuwen a06b15b2b4 crypto: testmgr - Added testvectors for the ofb(sm4) & cfb(sm4) skciphers
Added testvectors for the ofb(sm4) and cfb(sm4) skcipher algorithms

changes since v1:
- nothing

Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-10-05 01:06:04 +10:00
Pascal van Leeuwen 8194fd1d71 crypto: testmgr - Added testvectors for the hmac(sm3) ahash
Added testvectors for the hmac(sm3) ahash authentication algorithm

changes since v1 & v2:
-nothing

Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-10-05 01:06:03 +10:00
Ard Biesheuvel f975abb23c crypto: essiv - add tests for essiv in cbc(aes)+sha256 mode
Add a test vector for the ESSIV mode that is the most widely used,
i.e., using cbc(aes) and sha256, in both skcipher and AEAD modes
(the latter is used by tcrypt to encapsulate the authenc template
or h/w instantiations of the same)

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-08-30 18:05:27 +10:00
Ard Biesheuvel 520c1993bb crypto: aegis128l/aegis256 - remove x86 and generic implementations
Three variants of AEGIS were proposed for the CAESAR competition, and
only one was selected for the final portfolio: AEGIS128.

The other variants, AEGIS128L and AEGIS256, are not likely to ever turn
up in networking protocols or other places where interoperability
between Linux and other systems is a concern, nor are they likely to
be subjected to further cryptanalysis. However, uninformed users may
think that AEGIS128L (which is faster) is equally fit for use.

So let's remove them now, before anyone starts using them and we are
forced to support them forever.

Note that there are no known flaws in the algorithms or in any of these
implementations, but they have simply outlived their usefulness.

Reviewed-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-07-26 15:03:56 +10:00
Ard Biesheuvel 5cb97700be crypto: morus - remove generic and x86 implementations
MORUS was not selected as a winner in the CAESAR competition, which
is not surprising since it is considered to be cryptographically
broken [0]. (Note that this is not an implementation defect, but a
flaw in the underlying algorithm). Since it is unlikely to be in use
currently, let's remove it before we're stuck with it.

[0] https://eprint.iacr.org/2019/172.pdf

Reviewed-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-07-26 15:02:06 +10:00
Hannah Pan f248caf9a5 crypto: testmgr - add tests for lzo-rle
Add self-tests for the lzo-rle algorithm.

Signed-off-by: Hannah Pan <hannahpan@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-07-26 14:58:38 +10:00
Gilad Ben-Yossef 9552389c46 crypto: fips - add FIPS test failure notification chain
Crypto test failures in FIPS mode cause an immediate panic, but
on some system the cryptographic boundary extends beyond just
the Linux controlled domain.

Add a simple atomic notification chain to allow interested parties
to register to receive notification prior to us kicking the bucket.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-07-26 14:51:57 +10:00
Linus Torvalds 4d2fa8b44b Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
 "Here is the crypto update for 5.3:

  API:
   - Test shash interface directly in testmgr
   - cra_driver_name is now mandatory

  Algorithms:
   - Replace arc4 crypto_cipher with library helper
   - Implement 5 way interleave for ECB, CBC and CTR on arm64
   - Add xxhash
   - Add continuous self-test on noise source to drbg
   - Update jitter RNG

  Drivers:
   - Add support for SHA204A random number generator
   - Add support for 7211 in iproc-rng200
   - Fix fuzz test failures in inside-secure
   - Fix fuzz test failures in talitos
   - Fix fuzz test failures in qat"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (143 commits)
  crypto: stm32/hash - remove interruptible condition for dma
  crypto: stm32/hash - Fix hmac issue more than 256 bytes
  crypto: stm32/crc32 - rename driver file
  crypto: amcc - remove memset after dma_alloc_coherent
  crypto: ccp - Switch to SPDX license identifiers
  crypto: ccp - Validate the the error value used to index error messages
  crypto: doc - Fix formatting of new crypto engine content
  crypto: doc - Add parameter documentation
  crypto: arm64/aes-ce - implement 5 way interleave for ECB, CBC and CTR
  crypto: arm64/aes-ce - add 5 way interleave routines
  crypto: talitos - drop icv_ool
  crypto: talitos - fix hash on SEC1.
  crypto: talitos - move struct talitos_edesc into talitos.h
  lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE
  crypto/NX: Set receive window credits to max number of CRBs in RxFIFO
  crypto: asymmetric_keys - select CRYPTO_HASH where needed
  crypto: serpent - mark __serpent_setkey_sbox noinline
  crypto: testmgr - dynamically allocate crypto_shash
  crypto: testmgr - dynamically allocate testvec_config
  crypto: talitos - eliminate unneeded 'done' functions at build time
  ...
2019-07-08 20:57:08 -07:00
Arnd Bergmann 149c4e6ef7 crypto: testmgr - dynamically allocate crypto_shash
The largest stack object in this file is now the shash descriptor.
Since there are many other stack variables, this can push it
over the 1024 byte warning limit, in particular with clang and
KASAN:

crypto/testmgr.c:1693:12: error: stack frame size of 1312 bytes in function '__alg_test_hash' [-Werror,-Wframe-larger-than=]

Make test_hash_vs_generic_impl() do the same thing as the
corresponding eaed and skcipher functions by allocating the
descriptor dynamically. We can still do better than this,
but it brings us well below the 1024 byte limit.

Suggested-by: Eric Biggers <ebiggers@kernel.org>
Fixes: 9a8a6b3f09 ("crypto: testmgr - fuzz hashes against their generic implementation")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-06-27 14:28:01 +08:00
Arnd Bergmann 6b5ca646ca crypto: testmgr - dynamically allocate testvec_config
On arm32, we get warnings about high stack usage in some of the functions:

crypto/testmgr.c:2269:12: error: stack frame size of 1032 bytes in function 'alg_test_aead' [-Werror,-Wframe-larger-than=]
static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
           ^
crypto/testmgr.c:1693:12: error: stack frame size of 1312 bytes in function '__alg_test_hash' [-Werror,-Wframe-larger-than=]
static int __alg_test_hash(const struct hash_testvec *vecs,
           ^

On of the larger objects on the stack here is struct testvec_config, so
change that to dynamic allocation.

Fixes: 40153b10d9 ("crypto: testmgr - fuzz AEADs against their generic implementation")
Fixes: d435e10e67 ("crypto: testmgr - fuzz skciphers against their generic implementation")
Fixes: 9a8a6b3f09 ("crypto: testmgr - fuzz hashes against their generic implementation")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-06-27 14:28:01 +08:00
Ard Biesheuvel 611a23c2d3 crypto: arc4 - remove cipher implementation
There are no remaining users of the cipher implementation, and there
are no meaningful ways in which the arc4 cipher can be combined with
templates other than ECB (and the way we do provide that combination
is highly dubious to begin with).

So let's drop the arc4 cipher altogether, and only keep the ecb(arc4)
skcipher, which is used in various places in the kernel.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-06-20 14:19:55 +08:00