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Jason A. Donenfeld 99de0356b3 siphash: use one source of truth for siphash permutations 
commit e73aaae2fa9024832e1f42e30c787c7baf61d014 upstream.

The SipHash family of permutations is currently used in three places:

- siphash.c itself, used in the ordinary way it was intended.
- random32.c, in a construction from an anonymous contributor.
- random.c, as part of its fast_mix function.

Each one of these places reinvents the wheel with the same C code, same
rotation constants, and same symmetry-breaking constants.

This commit tidies things up a bit by placing macros for the
permutations and constants into siphash.h, where each of the three .c
users can access them. It also leaves a note dissuading more users of
them from emerging.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-25 11:45:14 +02:00
..
842
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2016-03-17 21:38:27 -07:00
crypto
lib/crypto: blake2s: move hmac construction into wireguard
2022-06-25 11:45:02 +02:00
fonts
Fonts: Replace discarded const qualifier
2020-11-10 10:24:02 +01:00
lz4
lz4: fix bogus gcc warning
2017-09-02 07:07:54 +02:00
lzo
lzo: check for length overrun in variable length encoding.
2014-09-28 11:08:01 +02:00
mpi
lib/mpi: Fix 64-bit MIPS build with Clang
2020-06-20 10:24:15 +02:00
raid6
lib/raid6/test: fix multiple definition linking error
2022-04-20 09:06:30 +02:00
reed_solomon
rslib: Fix handling of of caller provided syndrome
2019-08-04 09:33:23 +02:00
xz
lib/xz: Validate the value before assigning it to an enum variable
2021-11-26 11:48:30 +01:00
zlib_deflate
zlib_deflate/deftree: remove bi_reverse()
2015-09-10 13:29:01 -07:00
zlib_inflate
lib/zlib: remove outdated and incorrect pre-increment optimization
2020-06-30 15:38:29 -04:00
.gitignore
…
argv_split.c
…
asn1_decoder.c
ASN.1: check for error from ASN1_OP_END__ACT actions
2017-12-14 09:28:12 +01:00
assoc_array.c
assoc_array: Fix BUG_ON during garbage collect
2022-06-06 08:19:46 +02:00
atomic64_test.c
atomic64: no need for CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
2016-10-07 18:46:30 -07:00
atomic64.c
locking/atomic: Implement atomic{,64,_long}_fetch_{add,sub,and,andnot,or,xor}{,_relaxed,_acquire,_release}()
2016-06-16 10:48:32 +02:00
audit.c
syscalls: implement execveat() system call
2014-12-13 12:42:51 -08:00
bcd.c
…
bch.c
…
bitmap.c
bitmap: Add bitmap_alloc(), bitmap_zalloc() and bitmap_free()
2020-01-29 10:24:41 +01:00
bitrev.c
ARM: 8187/1: add CONFIG_HAVE_ARCH_BITREVERSE to support rbit instruction
2014-12-22 16:43:06 +00:00
bsearch.c
kprobes: Prohibit probing on bsearch()
2019-04-05 22:29:11 +02:00
btree.c
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
bug.c
lib/bug.c: use common WARN helper
2016-03-17 15:09:34 -07:00
build_OID_registry
…
bust_spinlocks.c
…
chacha20.c
crypto: chacha20 - Fix chacha20_block() keystream alignment (again)
2022-06-25 11:45:05 +02:00
check_signature.c
…
checksum.c
ipv4: Update parameters for csum_tcpudp_magic to their original types
2016-03-13 23:55:13 -04:00
clz_ctz.c
lib/clz_ctz.c: add prototype declarations in lib/clz_ctz.c
2014-04-03 16:21:12 -07:00
clz_tab.c
…
cmdline.c
lib/cmdline.c: fix get_options() overflow while parsing ranges
2017-06-29 13:00:28 +02:00
compat_audit.c
audit: Add generic compat syscall support
2014-03-20 10:11:35 -04:00
cordic.c
…
cpu_rmap.c
sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask()
2015-05-27 15:22:15 +02:00
cpu-notifier-error-inject.c
fault-injection/cpu: Convert to hotplug state machine
2016-09-19 21:44:31 +02:00
cpumask.c
sched/fair, cpumask: Export for_each_cpu_wrap()
2017-07-21 07:42:23 +02:00
crc7.c
lib/crc7: Shift crc7() output left 1 bit
2014-05-16 14:26:52 -04:00
crc8.c
…
crc16.c
…
crc32.c
lib/crc32.c: fix trivial typo in preprocessor condition
2020-10-29 09:05:39 +01:00
crc32defs.h
…
crc-ccitt.c
…
crc-itu-t.c
lib: crc-itu-t.[ch] fix 0x0x prefix in integer constants
2015-05-26 15:26:43 +02:00
crc-t10dif.c
lib: introduce crc_t10dif_update()
2015-05-30 22:42:24 -07:00
ctype.c
…
debug_info.c
kbuild: include core debug info when DEBUG_INFO_REDUCED
2015-06-11 15:08:32 +02:00
debug_locks.c
locking/lockdep: Fix debug_locks off performance problem
2018-11-13 11:16:48 -08:00
debugobjects.c
debugobjects: avoid recursive calls with kmemleak
2018-12-17 09:38:35 +01:00
dec_and_lock.c
…
decompress_bunzip2.c
lib/decompressors: use real out buf size for gunzip with kernel
2015-09-10 13:29:01 -07:00
decompress_inflate.c
lib/decompressors: use real out buf size for gunzip with kernel
2015-09-10 13:29:01 -07:00
decompress_unlz4.c
lib/decompress_unlz4.c: correctly handle zero-padding around initrds.
2021-07-20 16:21:12 +02:00
decompress_unlzma.c
lib/decompress_unlzma: Do a NULL check for pointer
2015-09-10 13:29:01 -07:00
decompress_unlzo.c
lib/decompressors: use real out buf size for gunzip with kernel
2015-09-10 13:29:01 -07:00
decompress_unxz.c
lib/xz: Avoid overlapping memcpy() with invalid input with in-place decompression
2021-11-26 11:48:30 +01:00
decompress.c
lib/decompress: set the compressor name to NULL on error
2015-07-17 16:39:54 -07:00
devres.c
devres: allow const resource arguments
2020-01-29 10:24:28 +01:00
digsig.c
lib/digsig: fix dereference of NULL user_key_payload
2017-10-27 10:38:08 +02:00
div64.c
lib/div64.c: off by one in shift
2019-04-20 09:07:54 +02:00
dma-debug.c
dma-debug: change allocation mode from GFP_NOWAIT to GFP_ATIOMIC
2022-06-14 16:52:29 +02:00
dma-noop.c
dma-mapping: use unsigned long for dma_attrs
2016-08-04 08:50:07 -04:00
dump_stack.c
dump_stack: avoid the livelock of the dump_lock
2019-11-12 19:15:43 +01:00
dynamic_debug.c
dyndbg: fix a BUG_ON in ddebug_describe_flags
2020-08-21 11:01:59 +02:00
dynamic_queue_limits.c
lib/dynamic_queue_limits.c: simplify includes
2015-02-12 18:54:15 -08:00
earlycpio.c
lib/cpio: Make find_cpio_data()'s offset arg optional
2016-06-08 11:04:19 +02:00
extable.c
extable: add support for relative extables to search and sort routines
2016-02-24 14:57:26 +00:00
fault-inject.c
fault-inject: fix inverted interval/probability values in printk
2015-10-23 17:55:10 +09:00
fdt_empty_tree.c
lib: add fdt_empty_tree.c
2014-04-30 19:49:37 +01:00
fdt_ro.c
…
fdt_rw.c
…
fdt_strerror.c
…
fdt_sw.c
…
fdt_wip.c
…
fdt.c
…
find_bit.c
uapi: rename ext2_swab() to swab() and share globally in swab.h
2022-06-25 11:45:14 +02:00
flex_array.c
reciprocal_divide: update/correction of the algorithm
2014-01-21 23:17:20 -08:00
flex_proportions.c
lib+mm: fix few spelling mistakes
2016-02-15 11:18:23 +01:00
gcd.c
lib/GCD.c: use binary GCD algorithm instead of Euclidean
2016-05-20 17:58:30 -07:00
gen_crc32table.c
lib: crc32: constify crc32 lookup table
2015-02-13 21:21:35 -08:00
genalloc.c
lib/genalloc: fix the overflow when size is too big
2021-01-12 19:49:01 +01:00
glob.c
lib/glob.c: add CONFIG_GLOB_SELFTEST
2014-08-06 18:01:25 -07:00
halfmd4.c
lib/halfmd4.c: use rol32 inline function in the ROUND macro
2015-11-06 17:50:42 -08:00
hexdump.c
hex2bin: fix access beyond string end
2022-05-12 12:14:54 +02:00
hweight.c
x86/hweight: Get rid of the special calling convention
2016-06-08 15:01:02 +02:00
idr.c
mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd
2015-11-06 17:50:42 -08:00
inflate.c
…
int_sqrt.c
lib/int_sqrt: optimize initial value compute
2019-04-05 22:29:04 +02:00
interval_tree_test.c
lib/interval_tree_test.c: allow users to limit scope of endpoint
2018-12-21 14:11:30 +01:00
interval_tree.c
lib/interval_tree.c: simplify includes
2015-02-12 18:54:15 -08:00
iomap_copy.c
lib/iomap_copy.c: add __ioread32_copy()
2016-01-20 17:09:18 -08:00
iomap.c
Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP
2014-04-07 16:36:11 -07:00
iommu-common.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
2015-11-05 16:34:48 -08:00
iommu-helper.c
lib/iommu-helper: skip to next segment
2016-08-02 19:35:07 -04:00
ioremap.c
ioremap: Update pgtable free interfaces with addr
2018-08-17 20:59:29 +02:00
iov_iter.c
lib/iov_iter: initialize "flags" in new pipe_buffer
2022-02-23 11:56:41 +01:00
irq_poll.c
This adds a new gcc plugin named "latent_entropy". It is designed to
2016-10-15 10:03:15 -07:00
irq_regs.c
…
is_single_threaded.c
lib/is_single_threaded.c: change current_is_single_threaded() to use for_each_thread()
2015-11-06 17:50:42 -08:00
jedec_ddr_data.c
…
kasprintf.c
lib/kasprintf.c: add sanity check to kvasprintf
2016-01-16 11:17:27 -08:00
Kconfig
ARM: 9178/1: fix unmet dependency on BITREVERSE for HAVE_ARCH_BITREVERSE
2022-03-23 09:00:33 +01:00
Kconfig.debug
random: suppress spammy warnings about unseeded randomness
2022-06-25 11:44:58 +02:00
Kconfig.kasan
mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB
2016-07-28 16:07:41 -07:00
Kconfig.kgdb
kgdb: depends on VT
2016-05-23 17:04:14 -07:00
Kconfig.kmemcheck
…
Kconfig.ubsan
ubsan: allow to disable the null sanitizer
2016-09-20 14:26:08 +02:00
kfifo.c
Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"
2020-01-29 10:24:30 +01:00
klist.c
scsi: klist: Make it safe to use klists in atomic context
2018-10-03 17:01:45 -07:00
kobject_uevent.c
kobject_uevent: remove warning in init_uevent_argv()
2021-05-22 10:40:33 +02:00
kobject.c
kobject: Export kobject_get_unless_zero()
2020-01-14 20:04:25 +01:00
kstrtox.c
lib/kstrtox.c: smaller _parse_integer()
2016-10-11 15:06:30 -07:00
kstrtox.h
…
lcm.c
block: fix blk_stack_limits() regression due to lcm() change
2015-03-31 09:45:50 -06:00
libcrc32c.c
crypto: Work around deallocated stack frame reference gcc bug on sparc.
2017-06-24 07:11:17 +02:00
list_debug.c
list: kill list_force_poison()
2016-03-09 15:43:42 -08:00
list_sort.c
lib/list_sort: use late_initcall to hook in self tests
2015-06-16 14:12:35 -04:00
llist.c
lib/llist.c: fix data race in llist_del_first
2015-11-06 17:50:42 -08:00
locking-selftest-hardirq.h
…
locking-selftest-mutex.h
…
locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
…
locking-selftest-rlock.h
…
locking-selftest-rsem.h
…
locking-selftest-softirq.h
…
locking-selftest-spin-hardirq.h
…
locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
…
locking-selftest-wlock-hardirq.h
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
…
locking-selftest-wsem.h
…
locking-selftest.c
locking/selftest: Fix output since KERN_CONT changes
2016-11-25 07:12:19 +01:00
lockref.c
locking/lockref: Remove homebrew cmpxchg64_relaxed() macro definition
2015-08-12 11:59:04 +02:00
lru_cache.c
lru_cache: Converted lc_seq_printf_status to return void
2015-11-25 09:22:02 -07:00
Makefile
crypto: blake2s - generic C library implementation and selftest
2022-06-25 11:45:01 +02:00
md5.c
lib/md5.c: simplify include
2015-02-12 18:54:15 -08:00
memory-notifier-error-inject.c
…
memweight.c
…
net_utils.c
mac_pton: Use bool not int return
2014-06-25 17:45:43 -07:00
netdev-notifier-error-inject.c
net: Add support for CHANGEUPPER notifier error injection
2015-12-03 11:49:23 -05:00
nlattr.c
net: fix nla_strcmp to handle more then one trailing null character
2022-06-14 16:52:38 +02:00
nmi_backtrace.c
nmi_backtrace: generate one-line reports for idle cpus
2016-10-07 18:46:30 -07:00
nodemask.c
nodemask: Fix return values to be unsigned
2022-06-14 16:52:40 +02:00
notifier-error-inject.c
…
notifier-error-inject.h
…
of-reconfig-notifier-error-inject.c
…
oid_registry.c
509: fix printing uninitialized stack memory when OID is empty
2018-02-25 11:05:48 +01:00
once.c
once: make helper generic for calling functions once
2015-10-08 05:26:36 -07:00
parser.c
lib/parser.c: put EXPORT_SYMBOLs in the conventional place
2014-01-23 16:36:55 -08:00
pci_iomap.c
libnvdimm for 4.3:
2015-09-08 14:35:59 -07:00
percpu_counter.c
percpu_counter: update debugobjects fixup callbacks return type
2016-05-19 19:12:14 -07:00
percpu_ida.c
mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM
2015-11-06 17:50:42 -08:00
percpu_test.c
percpu: add test module for various percpu operations
2013-11-13 12:09:11 +09:00
percpu-refcount.c
percpu-refcount: init ->confirm_switch member properly
2016-08-11 13:52:23 -04:00
plist.c
lib/plist.c: remove redundant include
2015-02-12 18:54:16 -08:00
pm-notifier-error-inject.c
…
radix-tree.c
Revert "radix tree test suite: fix compilation"
2016-12-09 10:41:42 -08:00
random32.c
random: replace custom notifier chain with standard one
2022-06-25 11:45:11 +02:00
ratelimit.c
lib/ratelimit.c: use deferred printk() version
2017-10-12 11:51:19 +02:00
rational.c
…
rbtree_test.c
lib/rbtree-test: lower default params
2018-12-21 14:11:30 +01:00
rbtree.c
rbtree: cache leftmost node internally
2022-01-27 08:47:42 +01:00
reciprocal_div.c
reciprocal_divide: update/correction of the algorithm
2014-01-21 23:17:20 -08:00
rhashtable.c
rhashtable: add schedule points
2018-10-18 09:13:24 +02:00
sbitmap.c
sbitmap: initialize weight to zero
2016-09-19 08:19:40 -06:00
scatterlist.c
lib/scatterlist.c: adjust indentation in __sg_alloc_table
2020-02-28 15:42:41 +01:00
seq_buf.c
seq_buf: Fix overflow in seq_buf_putmem_hex()
2021-07-20 16:21:09 +02:00
sg_pool.c
lib: scatterlist: move SG pool code from SCSI driver to lib/sg_pool.c
2016-04-15 16:53:14 -04:00
sg_split.c
lib: scatterlist: add sg splitting function
2015-08-24 14:28:01 -06:00
sha1.c
lib/crypto: sha1: re-roll loops to reduce code size
2022-06-25 11:45:02 +02:00
show_mem.c
lib/show_mem.c: correct reserved memory calculation
2015-09-08 15:35:28 -07:00
siphash.c
siphash: use one source of truth for siphash permutations
2022-06-25 11:45:14 +02:00
smp_processor_id.c
percpu: add preemption checks to __this_cpu ops
2014-04-07 16:36:14 -07:00
sort.c
lib/sort: Add 64 bit swap function
2015-06-25 17:00:40 -07:00
stackdepot.c
lib: stackdepot: turn depot_lock spinlock to raw_spinlock
2021-05-22 10:40:34 +02:00
stmp_device.c
lib/stmp_device.c: replace module.h include
2015-02-12 18:54:16 -08:00
string_helpers.c
string_helpers: add kstrdup_quotable_file
2016-04-21 10:47:26 +10:00
string.c
lib/string.c: add multibyte memset functions
2021-08-04 11:58:02 +02:00
strncpy_from_user.c
mm/uaccess: Use 'unsigned long' to placate UBSAN warnings on older GCC versions
2019-05-31 06:48:17 -07:00
strnlen_user.c
mm/uaccess: Use 'unsigned long' to placate UBSAN warnings on older GCC versions
2019-05-31 06:48:17 -07:00
swiotlb.c
swiotlb: fix "x86: Don't panic if can not alloc buffer for swiotlb"
2020-11-18 18:26:29 +01:00
syscall.c
lib/syscall: Clear return values when no stack
2017-04-08 09:30:35 +02:00
test_bitmap.c
test_bitmap: unit tests for lib/bitmap.c
2016-02-19 22:54:09 -05:00
test_bpf.c
bpf/tests: Do not PASS tests without actually testing the result
2021-09-22 11:43:05 +02:00
test_firmware.c
test: firmware_class: add asynchronous request trigger
2016-01-07 13:44:22 -07:00
test_hash.c
lib/test_hash.c: fix warning in preprocessor symbol evaluation
2016-09-01 17:52:01 -07:00
test_hexdump.c
test_hexdump: use memcpy instead of strncpy
2018-12-08 13:05:04 +01:00
test_kasan.c
lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more()
2020-02-14 16:31:00 -05:00
test_module.c
test: add minimal module for verification testing
2014-01-23 16:36:57 -08:00
test_printf.c
mm, printk: introduce new format string for flags
2016-03-15 16:55:16 -07:00
test_rhashtable.c
rhashtable-test: Fix max_size parameter description
2016-08-08 12:52:42 -07:00
test_siphash.c
siphash: implement HalfSipHash1-3 for hash tables
2019-08-25 10:51:42 +02:00
test_static_key_base.c
locking/static_keys: Provide a selftest
2015-08-03 11:51:12 +02:00
test_static_keys.c
locking/static_keys: Avoid nested functions
2016-02-09 10:27:29 +01:00
test_user_copy.c
usercopy: Adjust tests to deal with SMAP/PAN
2017-06-14 15:06:05 +02:00
test_uuid.c
lib/uuid: add a test module
2016-05-30 15:26:57 -07:00
test-kstrtox.c
kstrto*: accept "-0" for signed conversion
2015-09-10 13:29:01 -07:00
test-string_helpers.c
lib/test-string_helpers.c: fix and improve string_get_size() tests
2016-02-03 08:28:43 -08:00
textsearch.c
lib/textsearch.c: remove textsearch_put reference from comments
2014-10-14 02:18:14 +02:00
timerqueue.c
lib/timerqueue: Rely on rbtree semantics for next timer
2022-01-27 08:47:42 +01:00
ts_bm.c
…
ts_fsm.c
…
ts_kmp.c
…
ubsan.c
ubsan: Fix nasty -Wbuiltin-declaration-mismatch GCC-9 warnings
2019-05-10 17:52:07 +02:00
ubsan.h
lib/ubsan: add type mismatch handler for new GCC/Clang
2018-02-17 13:21:20 +01:00
ucs2_string.c
lib/ucs2_string: Speed up ucs2_utf8size()
2016-09-09 16:08:46 +01:00
uuid.c
lib/uuid.c: use correct offset in uuid parser
2016-05-30 15:26:57 -07:00
vsprintf.c
lib/vsprintf: Remove atomic-unsafe support for %pCr
2018-07-03 11:23:06 +02:00
win_minmax.c
lib/win_minmax: windowed min or max estimator
2016-09-21 00:22:59 -04:00