License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 22:07:57 +08:00
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# SPDX-License-Identifier: GPL-2.0
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2007-10-24 04:37:23 +08:00
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#
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# Arch-specific CryptoAPI modules.
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#
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2017-06-28 23:11:06 +08:00
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OBJECT_FILES_NON_STANDARD := y
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2013-03-24 21:34:07 +08:00
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avx_supported := $(call as-instr,vpxor %xmm0$(comma)%xmm0$(comma)%xmm0,yes,no)
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2013-09-03 21:49:47 +08:00
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avx2_supported := $(call as-instr,vpgatherdd %ymm0$(comma)(%eax$(comma)%ymm1\
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$(comma)4)$(comma)%ymm2,yes,no)
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2015-09-11 06:27:26 +08:00
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sha1_ni_supported :=$(call as-instr,sha1msg1 %xmm0$(comma)%xmm1,yes,no)
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sha256_ni_supported :=$(call as-instr,sha256msg1 %xmm0$(comma)%xmm1,yes,no)
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2013-03-24 21:34:07 +08:00
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2012-06-18 19:07:19 +08:00
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obj-$(CONFIG_CRYPTO_GLUE_HELPER_X86) += glue_helper.o
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2012-06-18 19:06:58 +08:00
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2007-10-24 04:37:23 +08:00
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obj-$(CONFIG_CRYPTO_AES_586) += aes-i586.o
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obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
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2007-12-10 15:52:56 +08:00
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obj-$(CONFIG_CRYPTO_SALSA20_586) += salsa20-i586.o
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2011-11-09 22:26:31 +08:00
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obj-$(CONFIG_CRYPTO_SERPENT_SSE2_586) += serpent-sse2-i586.o
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2007-10-24 04:37:23 +08:00
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obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
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2014-06-10 01:59:54 +08:00
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obj-$(CONFIG_CRYPTO_DES3_EDE_X86_64) += des3_ede-x86_64.o
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2012-03-06 02:26:47 +08:00
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obj-$(CONFIG_CRYPTO_CAMELLIA_X86_64) += camellia-x86_64.o
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2011-09-02 06:45:22 +08:00
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obj-$(CONFIG_CRYPTO_BLOWFISH_X86_64) += blowfish-x86_64.o
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2007-10-24 04:37:23 +08:00
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obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
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2011-09-26 21:47:25 +08:00
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obj-$(CONFIG_CRYPTO_TWOFISH_X86_64_3WAY) += twofish-x86_64-3way.o
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2007-12-18 00:04:40 +08:00
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obj-$(CONFIG_CRYPTO_SALSA20_X86_64) += salsa20-x86_64.o
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crypto: chacha20 - Add a SSSE3 SIMD variant for x86_64
Implements an x86_64 assembler driver for the ChaCha20 stream cipher. This
single block variant works on a single state matrix using SSE instructions.
It requires SSSE3 due the use of pshufb for efficient 8/16-bit rotate
operations.
For large messages, throughput increases by ~65% compared to
chacha20-generic:
testing speed of chacha20 (chacha20-generic) encryption
test 0 (256 bit key, 16 byte blocks): 45089207 operations in 10 seconds (721427312 bytes)
test 1 (256 bit key, 64 byte blocks): 43839521 operations in 10 seconds (2805729344 bytes)
test 2 (256 bit key, 256 byte blocks): 12702056 operations in 10 seconds (3251726336 bytes)
test 3 (256 bit key, 1024 byte blocks): 3371173 operations in 10 seconds (3452081152 bytes)
test 4 (256 bit key, 8192 byte blocks): 422468 operations in 10 seconds (3460857856 bytes)
testing speed of chacha20 (chacha20-simd) encryption
test 0 (256 bit key, 16 byte blocks): 43141886 operations in 10 seconds (690270176 bytes)
test 1 (256 bit key, 64 byte blocks): 46845874 operations in 10 seconds (2998135936 bytes)
test 2 (256 bit key, 256 byte blocks): 18458512 operations in 10 seconds (4725379072 bytes)
test 3 (256 bit key, 1024 byte blocks): 5360533 operations in 10 seconds (5489185792 bytes)
test 4 (256 bit key, 8192 byte blocks): 692846 operations in 10 seconds (5675794432 bytes)
Benchmark results from a Core i5-4670T.
Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-07-17 01:14:01 +08:00
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obj-$(CONFIG_CRYPTO_CHACHA20_X86_64) += chacha20-x86_64.o
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2011-11-09 22:26:25 +08:00
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obj-$(CONFIG_CRYPTO_SERPENT_SSE2_X86_64) += serpent-sse2-x86_64.o
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2009-01-18 13:28:34 +08:00
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obj-$(CONFIG_CRYPTO_AES_NI_INTEL) += aesni-intel.o
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2009-10-19 10:53:06 +08:00
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obj-$(CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL) += ghash-clmulni-intel.o
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2007-10-24 04:37:23 +08:00
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2008-08-07 09:57:03 +08:00
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obj-$(CONFIG_CRYPTO_CRC32C_INTEL) += crc32c-intel.o
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2011-08-05 02:19:25 +08:00
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obj-$(CONFIG_CRYPTO_SHA1_SSSE3) += sha1-ssse3.o
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2013-01-10 22:54:59 +08:00
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obj-$(CONFIG_CRYPTO_CRC32_PCLMUL) += crc32-pclmul.o
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2013-03-27 04:59:17 +08:00
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obj-$(CONFIG_CRYPTO_SHA256_SSSE3) += sha256-ssse3.o
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2013-03-27 05:00:02 +08:00
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obj-$(CONFIG_CRYPTO_SHA512_SSSE3) += sha512-ssse3.o
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2013-09-07 10:56:26 +08:00
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obj-$(CONFIG_CRYPTO_CRCT10DIF_PCLMUL) += crct10dif-pclmul.o
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crypto: poly1305 - Add a SSE2 SIMD variant for x86_64
Implements an x86_64 assembler driver for the Poly1305 authenticator. This
single block variant holds the 130-bit integer in 5 32-bit words, but uses
SSE to do two multiplications/additions in parallel.
When calling updates with small blocks, the overhead for kernel_fpu_begin/
kernel_fpu_end() negates the perfmance gain. We therefore use the
poly1305-generic fallback for small updates.
For large messages, throughput increases by ~5-10% compared to
poly1305-generic:
testing speed of poly1305 (poly1305-generic)
test 0 ( 96 byte blocks, 16 bytes per update, 6 updates): 4080026 opers/sec, 391682496 bytes/sec
test 1 ( 96 byte blocks, 32 bytes per update, 3 updates): 6221094 opers/sec, 597225024 bytes/sec
test 2 ( 96 byte blocks, 96 bytes per update, 1 updates): 9609750 opers/sec, 922536057 bytes/sec
test 3 ( 288 byte blocks, 16 bytes per update, 18 updates): 1459379 opers/sec, 420301267 bytes/sec
test 4 ( 288 byte blocks, 32 bytes per update, 9 updates): 2115179 opers/sec, 609171609 bytes/sec
test 5 ( 288 byte blocks, 288 bytes per update, 1 updates): 3729874 opers/sec, 1074203856 bytes/sec
test 6 ( 1056 byte blocks, 32 bytes per update, 33 updates): 593000 opers/sec, 626208000 bytes/sec
test 7 ( 1056 byte blocks, 1056 bytes per update, 1 updates): 1081536 opers/sec, 1142102332 bytes/sec
test 8 ( 2080 byte blocks, 32 bytes per update, 65 updates): 302077 opers/sec, 628320576 bytes/sec
test 9 ( 2080 byte blocks, 2080 bytes per update, 1 updates): 554384 opers/sec, 1153120176 bytes/sec
test 10 ( 4128 byte blocks, 4128 bytes per update, 1 updates): 278715 opers/sec, 1150536345 bytes/sec
test 11 ( 8224 byte blocks, 8224 bytes per update, 1 updates): 140202 opers/sec, 1153022070 bytes/sec
testing speed of poly1305 (poly1305-simd)
test 0 ( 96 byte blocks, 16 bytes per update, 6 updates): 3790063 opers/sec, 363846076 bytes/sec
test 1 ( 96 byte blocks, 32 bytes per update, 3 updates): 5913378 opers/sec, 567684355 bytes/sec
test 2 ( 96 byte blocks, 96 bytes per update, 1 updates): 9352574 opers/sec, 897847104 bytes/sec
test 3 ( 288 byte blocks, 16 bytes per update, 18 updates): 1362145 opers/sec, 392297990 bytes/sec
test 4 ( 288 byte blocks, 32 bytes per update, 9 updates): 2007075 opers/sec, 578037628 bytes/sec
test 5 ( 288 byte blocks, 288 bytes per update, 1 updates): 3709811 opers/sec, 1068425798 bytes/sec
test 6 ( 1056 byte blocks, 32 bytes per update, 33 updates): 566272 opers/sec, 597984182 bytes/sec
test 7 ( 1056 byte blocks, 1056 bytes per update, 1 updates): 1111657 opers/sec, 1173910108 bytes/sec
test 8 ( 2080 byte blocks, 32 bytes per update, 65 updates): 288857 opers/sec, 600823808 bytes/sec
test 9 ( 2080 byte blocks, 2080 bytes per update, 1 updates): 590746 opers/sec, 1228751888 bytes/sec
test 10 ( 4128 byte blocks, 4128 bytes per update, 1 updates): 301825 opers/sec, 1245936902 bytes/sec
test 11 ( 8224 byte blocks, 8224 bytes per update, 1 updates): 153075 opers/sec, 1258896201 bytes/sec
Benchmark results from a Core i5-4670T.
Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-07-17 01:14:06 +08:00
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obj-$(CONFIG_CRYPTO_POLY1305_X86_64) += poly1305-x86_64.o
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2008-08-07 09:57:03 +08:00
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2013-03-24 21:34:07 +08:00
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# These modules require assembler to support AVX.
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ifeq ($(avx_supported),yes)
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obj-$(CONFIG_CRYPTO_CAMELLIA_AESNI_AVX_X86_64) += \
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camellia-aesni-avx-x86_64.o
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obj-$(CONFIG_CRYPTO_CAST5_AVX_X86_64) += cast5-avx-x86_64.o
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obj-$(CONFIG_CRYPTO_CAST6_AVX_X86_64) += cast6-avx-x86_64.o
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obj-$(CONFIG_CRYPTO_TWOFISH_AVX_X86_64) += twofish-avx-x86_64.o
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obj-$(CONFIG_CRYPTO_SERPENT_AVX_X86_64) += serpent-avx-x86_64.o
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endif
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2013-04-13 18:46:45 +08:00
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# These modules require assembler to support AVX2.
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ifeq ($(avx2_supported),yes)
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2013-04-13 18:47:00 +08:00
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obj-$(CONFIG_CRYPTO_CAMELLIA_AESNI_AVX2_X86_64) += camellia-aesni-avx2.o
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2013-04-13 18:46:55 +08:00
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obj-$(CONFIG_CRYPTO_SERPENT_AVX2_X86_64) += serpent-avx2.o
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2016-06-24 09:40:48 +08:00
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obj-$(CONFIG_CRYPTO_SHA1_MB) += sha1-mb/
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2016-06-24 09:40:42 +08:00
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obj-$(CONFIG_CRYPTO_SHA256_MB) += sha256-mb/
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2016-06-28 01:20:04 +08:00
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obj-$(CONFIG_CRYPTO_SHA512_MB) += sha512-mb/
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2013-04-13 18:46:45 +08:00
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endif
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2007-11-29 21:15:11 +08:00
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aes-i586-y := aes-i586-asm_32.o aes_glue.o
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2008-01-14 14:07:57 +08:00
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twofish-i586-y := twofish-i586-asm_32.o twofish_glue.o
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2007-12-10 15:52:56 +08:00
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salsa20-i586-y := salsa20-i586-asm_32.o salsa20_glue.o
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2011-11-09 22:26:31 +08:00
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serpent-sse2-i586-y := serpent-sse2-i586-asm_32.o serpent_sse2_glue.o
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2007-10-24 04:37:23 +08:00
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2007-11-29 21:15:11 +08:00
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aes-x86_64-y := aes-x86_64-asm_64.o aes_glue.o
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2014-06-10 01:59:54 +08:00
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des3_ede-x86_64-y := des3_ede-asm_64.o des3_ede_glue.o
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2012-03-06 02:26:47 +08:00
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camellia-x86_64-y := camellia-x86_64-asm_64.o camellia_glue.o
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2011-09-02 06:45:22 +08:00
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blowfish-x86_64-y := blowfish-x86_64-asm_64.o blowfish_glue.o
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2008-01-14 14:07:57 +08:00
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twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_glue.o
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2011-09-26 21:47:25 +08:00
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twofish-x86_64-3way-y := twofish-x86_64-asm_64-3way.o twofish_glue_3way.o
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2007-12-18 00:04:40 +08:00
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salsa20-x86_64-y := salsa20-x86_64-asm_64.o salsa20_glue.o
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crypto: chacha20 - Add a SSSE3 SIMD variant for x86_64
Implements an x86_64 assembler driver for the ChaCha20 stream cipher. This
single block variant works on a single state matrix using SSE instructions.
It requires SSSE3 due the use of pshufb for efficient 8/16-bit rotate
operations.
For large messages, throughput increases by ~65% compared to
chacha20-generic:
testing speed of chacha20 (chacha20-generic) encryption
test 0 (256 bit key, 16 byte blocks): 45089207 operations in 10 seconds (721427312 bytes)
test 1 (256 bit key, 64 byte blocks): 43839521 operations in 10 seconds (2805729344 bytes)
test 2 (256 bit key, 256 byte blocks): 12702056 operations in 10 seconds (3251726336 bytes)
test 3 (256 bit key, 1024 byte blocks): 3371173 operations in 10 seconds (3452081152 bytes)
test 4 (256 bit key, 8192 byte blocks): 422468 operations in 10 seconds (3460857856 bytes)
testing speed of chacha20 (chacha20-simd) encryption
test 0 (256 bit key, 16 byte blocks): 43141886 operations in 10 seconds (690270176 bytes)
test 1 (256 bit key, 64 byte blocks): 46845874 operations in 10 seconds (2998135936 bytes)
test 2 (256 bit key, 256 byte blocks): 18458512 operations in 10 seconds (4725379072 bytes)
test 3 (256 bit key, 1024 byte blocks): 5360533 operations in 10 seconds (5489185792 bytes)
test 4 (256 bit key, 8192 byte blocks): 692846 operations in 10 seconds (5675794432 bytes)
Benchmark results from a Core i5-4670T.
Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-07-17 01:14:01 +08:00
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chacha20-x86_64-y := chacha20-ssse3-x86_64.o chacha20_glue.o
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2011-11-09 22:26:25 +08:00
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serpent-sse2-x86_64-y := serpent-sse2-x86_64-asm_64.o serpent_sse2_glue.o
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2013-03-24 21:34:07 +08:00
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ifeq ($(avx_supported),yes)
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camellia-aesni-avx-x86_64-y := camellia-aesni-avx-asm_64.o \
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camellia_aesni_avx_glue.o
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cast5-avx-x86_64-y := cast5-avx-x86_64-asm_64.o cast5_avx_glue.o
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cast6-avx-x86_64-y := cast6-avx-x86_64-asm_64.o cast6_avx_glue.o
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twofish-avx-x86_64-y := twofish-avx-x86_64-asm_64.o \
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twofish_avx_glue.o
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serpent-avx-x86_64-y := serpent-avx-x86_64-asm_64.o \
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serpent_avx_glue.o
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endif
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2009-01-18 13:28:34 +08:00
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2013-04-13 18:46:45 +08:00
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ifeq ($(avx2_supported),yes)
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2013-04-13 18:47:00 +08:00
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camellia-aesni-avx2-y := camellia-aesni-avx2-asm_64.o camellia_aesni_avx2_glue.o
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crypto: chacha20 - Add an eight block AVX2 variant for x86_64
Extends the x86_64 ChaCha20 implementation by a function processing eight
ChaCha20 blocks in parallel using AVX2.
For large messages, throughput increases by ~55-70% compared to four block
SSSE3:
testing speed of chacha20 (chacha20-simd) encryption
test 0 (256 bit key, 16 byte blocks): 42249230 operations in 10 seconds (675987680 bytes)
test 1 (256 bit key, 64 byte blocks): 46441641 operations in 10 seconds (2972265024 bytes)
test 2 (256 bit key, 256 byte blocks): 33028112 operations in 10 seconds (8455196672 bytes)
test 3 (256 bit key, 1024 byte blocks): 11568759 operations in 10 seconds (11846409216 bytes)
test 4 (256 bit key, 8192 byte blocks): 1448761 operations in 10 seconds (11868250112 bytes)
testing speed of chacha20 (chacha20-simd) encryption
test 0 (256 bit key, 16 byte blocks): 41999675 operations in 10 seconds (671994800 bytes)
test 1 (256 bit key, 64 byte blocks): 45805908 operations in 10 seconds (2931578112 bytes)
test 2 (256 bit key, 256 byte blocks): 32814947 operations in 10 seconds (8400626432 bytes)
test 3 (256 bit key, 1024 byte blocks): 19777167 operations in 10 seconds (20251819008 bytes)
test 4 (256 bit key, 8192 byte blocks): 2279321 operations in 10 seconds (18672197632 bytes)
Benchmark results from a Core i5-4670T.
Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-07-17 01:14:03 +08:00
|
|
|
chacha20-x86_64-y += chacha20-avx2-x86_64.o
|
2013-04-13 18:46:55 +08:00
|
|
|
serpent-avx2-y := serpent-avx2-asm_64.o serpent_avx2_glue.o
|
2013-04-13 18:46:45 +08:00
|
|
|
endif
|
|
|
|
|
|
2013-12-30 21:52:24 +08:00
|
|
|
aesni-intel-y := aesni-intel_asm.o aesni-intel_glue.o fpu.o
|
crypto: aes - AES CTR x86_64 "by8" AVX optimization
This patch introduces "by8" AES CTR mode AVX optimization inspired by
Intel Optimized IPSEC Cryptograhpic library. For additional information,
please see:
http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=22972
The functions aes_ctr_enc_128_avx_by8(), aes_ctr_enc_192_avx_by8() and
aes_ctr_enc_256_avx_by8() are adapted from
Intel Optimized IPSEC Cryptographic library. When both AES and AVX features
are enabled in a platform, the glue code in AESNI module overrieds the
existing "by4" CTR mode en/decryption with the "by8"
AES CTR mode en/decryption.
On a Haswell desktop, with turbo disabled and all cpus running
at maximum frequency, the "by8" CTR mode optimization
shows better performance results across data & key sizes
as measured by tcrypt.
The average performance improvement of the "by8" version over the "by4"
version is as follows:
For 128 bit key and data sizes >= 256 bytes, there is a 10-16% improvement.
For 192 bit key and data sizes >= 256 bytes, there is a 20-22% improvement.
For 256 bit key and data sizes >= 256 bytes, there is a 20-25% improvement.
A typical run of tcrypt with AES CTR mode encryption of the "by4" and "by8"
optimization shows the following results:
tcrypt with "by4" AES CTR mode encryption optimization on a Haswell Desktop:
---------------------------------------------------------------------------
testing speed of __ctr-aes-aesni encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 343 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 336 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 491 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 1130 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 7309 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 346 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 361 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 543 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 1321 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 9649 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 369 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 366 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 595 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1531 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 10522 cycles (8192 bytes)
testing speed of __ctr-aes-aesni decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 336 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 350 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 487 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 1129 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 7287 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 350 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 359 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 635 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 1324 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 9595 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 364 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 377 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 604 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1527 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 10549 cycles (8192 bytes)
tcrypt with "by8" AES CTR mode encryption optimization on a Haswell Desktop:
---------------------------------------------------------------------------
testing speed of __ctr-aes-aesni encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 340 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 330 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 450 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 1043 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 6597 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 339 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 352 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 539 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 1153 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 8458 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 353 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 360 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 512 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1277 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 8745 cycles (8192 bytes)
testing speed of __ctr-aes-aesni decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 348 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 335 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 451 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 1030 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 6611 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 354 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 346 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 488 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 1154 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 8390 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 357 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 362 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 515 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1284 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 8681 cycles (8192 bytes)
crypto: Incorporate feed back to AES CTR mode optimization patch
Specifically, the following:
a) alignment around main loop in aes_ctrby8_avx_x86_64.S
b) .rodata around data constants used in the assembely code.
c) the use of CONFIG_AVX in the glue code.
d) fix up white space.
e) informational message for "by8" AES CTR mode optimization
f) "by8" AES CTR mode optimization can be simply enabled
if the platform supports both AES and AVX features. The
optimization works superbly on Sandybridge as well.
Testing on Haswell shows no performance change since the last.
Testing on Sandybridge shows that the "by8" AES CTR mode optimization
greatly improves performance.
tcrypt log with "by4" AES CTR mode optimization on Sandybridge
--------------------------------------------------------------
testing speed of __ctr-aes-aesni encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 383 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 408 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 707 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 1864 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 12813 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 395 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 432 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 780 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 2132 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 15765 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 416 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 438 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 842 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 2383 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 16945 cycles (8192 bytes)
testing speed of __ctr-aes-aesni decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 389 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 409 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 704 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 1865 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 12783 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 409 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 434 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 792 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 2151 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 15804 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 421 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 444 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 840 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 2394 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 16928 cycles (8192 bytes)
tcrypt log with "by8" AES CTR mode optimization on Sandybridge
--------------------------------------------------------------
testing speed of __ctr-aes-aesni encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 383 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 401 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 522 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 1136 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 7046 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 394 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 418 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 559 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 1263 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 9072 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 408 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 428 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 595 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1385 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 9224 cycles (8192 bytes)
testing speed of __ctr-aes-aesni decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 390 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 402 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 530 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 1135 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 7079 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 414 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 417 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 572 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 1312 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 9073 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 415 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 454 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 598 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 1407 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 9288 cycles (8192 bytes)
crypto: Fix redundant checks
a) Fix the redundant check for cpu_has_aes
b) Fix the key length check when invoking the CTR mode "by8"
encryptor/decryptor.
crypto: fix typo in AES ctr mode transform
Signed-off-by: Chandramouli Narayanan <mouli@linux.intel.com>
Reviewed-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-06-11 00:22:47 +08:00
|
|
|
aesni-intel-$(CONFIG_64BIT) += aesni-intel_avx-x86_64.o aes_ctrby8_avx-x86_64.o
|
2009-10-19 10:53:06 +08:00
|
|
|
ghash-clmulni-intel-y := ghash-clmulni-intel_asm.o ghash-clmulni-intel_glue.o
|
2011-08-05 02:19:25 +08:00
|
|
|
sha1-ssse3-y := sha1_ssse3_asm.o sha1_ssse3_glue.o
|
crypto: poly1305 - Add a SSE2 SIMD variant for x86_64
Implements an x86_64 assembler driver for the Poly1305 authenticator. This
single block variant holds the 130-bit integer in 5 32-bit words, but uses
SSE to do two multiplications/additions in parallel.
When calling updates with small blocks, the overhead for kernel_fpu_begin/
kernel_fpu_end() negates the perfmance gain. We therefore use the
poly1305-generic fallback for small updates.
For large messages, throughput increases by ~5-10% compared to
poly1305-generic:
testing speed of poly1305 (poly1305-generic)
test 0 ( 96 byte blocks, 16 bytes per update, 6 updates): 4080026 opers/sec, 391682496 bytes/sec
test 1 ( 96 byte blocks, 32 bytes per update, 3 updates): 6221094 opers/sec, 597225024 bytes/sec
test 2 ( 96 byte blocks, 96 bytes per update, 1 updates): 9609750 opers/sec, 922536057 bytes/sec
test 3 ( 288 byte blocks, 16 bytes per update, 18 updates): 1459379 opers/sec, 420301267 bytes/sec
test 4 ( 288 byte blocks, 32 bytes per update, 9 updates): 2115179 opers/sec, 609171609 bytes/sec
test 5 ( 288 byte blocks, 288 bytes per update, 1 updates): 3729874 opers/sec, 1074203856 bytes/sec
test 6 ( 1056 byte blocks, 32 bytes per update, 33 updates): 593000 opers/sec, 626208000 bytes/sec
test 7 ( 1056 byte blocks, 1056 bytes per update, 1 updates): 1081536 opers/sec, 1142102332 bytes/sec
test 8 ( 2080 byte blocks, 32 bytes per update, 65 updates): 302077 opers/sec, 628320576 bytes/sec
test 9 ( 2080 byte blocks, 2080 bytes per update, 1 updates): 554384 opers/sec, 1153120176 bytes/sec
test 10 ( 4128 byte blocks, 4128 bytes per update, 1 updates): 278715 opers/sec, 1150536345 bytes/sec
test 11 ( 8224 byte blocks, 8224 bytes per update, 1 updates): 140202 opers/sec, 1153022070 bytes/sec
testing speed of poly1305 (poly1305-simd)
test 0 ( 96 byte blocks, 16 bytes per update, 6 updates): 3790063 opers/sec, 363846076 bytes/sec
test 1 ( 96 byte blocks, 32 bytes per update, 3 updates): 5913378 opers/sec, 567684355 bytes/sec
test 2 ( 96 byte blocks, 96 bytes per update, 1 updates): 9352574 opers/sec, 897847104 bytes/sec
test 3 ( 288 byte blocks, 16 bytes per update, 18 updates): 1362145 opers/sec, 392297990 bytes/sec
test 4 ( 288 byte blocks, 32 bytes per update, 9 updates): 2007075 opers/sec, 578037628 bytes/sec
test 5 ( 288 byte blocks, 288 bytes per update, 1 updates): 3709811 opers/sec, 1068425798 bytes/sec
test 6 ( 1056 byte blocks, 32 bytes per update, 33 updates): 566272 opers/sec, 597984182 bytes/sec
test 7 ( 1056 byte blocks, 1056 bytes per update, 1 updates): 1111657 opers/sec, 1173910108 bytes/sec
test 8 ( 2080 byte blocks, 32 bytes per update, 65 updates): 288857 opers/sec, 600823808 bytes/sec
test 9 ( 2080 byte blocks, 2080 bytes per update, 1 updates): 590746 opers/sec, 1228751888 bytes/sec
test 10 ( 4128 byte blocks, 4128 bytes per update, 1 updates): 301825 opers/sec, 1245936902 bytes/sec
test 11 ( 8224 byte blocks, 8224 bytes per update, 1 updates): 153075 opers/sec, 1258896201 bytes/sec
Benchmark results from a Core i5-4670T.
Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-07-17 01:14:06 +08:00
|
|
|
poly1305-x86_64-y := poly1305-sse2-x86_64.o poly1305_glue.o
|
2014-03-21 06:14:00 +08:00
|
|
|
ifeq ($(avx2_supported),yes)
|
|
|
|
|
sha1-ssse3-y += sha1_avx2_x86_64_asm.o
|
crypto: poly1305 - Add a four block AVX2 variant for x86_64
Extends the x86_64 Poly1305 authenticator by a function processing four
consecutive Poly1305 blocks in parallel using AVX2 instructions.
For large messages, throughput increases by ~15-45% compared to two
block SSE2:
testing speed of poly1305 (poly1305-simd)
test 0 ( 96 byte blocks, 16 bytes per update, 6 updates): 3809514 opers/sec, 365713411 bytes/sec
test 1 ( 96 byte blocks, 32 bytes per update, 3 updates): 5973423 opers/sec, 573448627 bytes/sec
test 2 ( 96 byte blocks, 96 bytes per update, 1 updates): 9446779 opers/sec, 906890803 bytes/sec
test 3 ( 288 byte blocks, 16 bytes per update, 18 updates): 1364814 opers/sec, 393066691 bytes/sec
test 4 ( 288 byte blocks, 32 bytes per update, 9 updates): 2045780 opers/sec, 589184697 bytes/sec
test 5 ( 288 byte blocks, 288 bytes per update, 1 updates): 3711946 opers/sec, 1069040592 bytes/sec
test 6 ( 1056 byte blocks, 32 bytes per update, 33 updates): 573686 opers/sec, 605812732 bytes/sec
test 7 ( 1056 byte blocks, 1056 bytes per update, 1 updates): 1647802 opers/sec, 1740079440 bytes/sec
test 8 ( 2080 byte blocks, 32 bytes per update, 65 updates): 292970 opers/sec, 609378224 bytes/sec
test 9 ( 2080 byte blocks, 2080 bytes per update, 1 updates): 943229 opers/sec, 1961916528 bytes/sec
test 10 ( 4128 byte blocks, 4128 bytes per update, 1 updates): 494623 opers/sec, 2041804569 bytes/sec
test 11 ( 8224 byte blocks, 8224 bytes per update, 1 updates): 254045 opers/sec, 2089271014 bytes/sec
testing speed of poly1305 (poly1305-simd)
test 0 ( 96 byte blocks, 16 bytes per update, 6 updates): 3826224 opers/sec, 367317552 bytes/sec
test 1 ( 96 byte blocks, 32 bytes per update, 3 updates): 5948638 opers/sec, 571069267 bytes/sec
test 2 ( 96 byte blocks, 96 bytes per update, 1 updates): 9439110 opers/sec, 906154627 bytes/sec
test 3 ( 288 byte blocks, 16 bytes per update, 18 updates): 1367756 opers/sec, 393913872 bytes/sec
test 4 ( 288 byte blocks, 32 bytes per update, 9 updates): 2056881 opers/sec, 592381958 bytes/sec
test 5 ( 288 byte blocks, 288 bytes per update, 1 updates): 3711153 opers/sec, 1068812179 bytes/sec
test 6 ( 1056 byte blocks, 32 bytes per update, 33 updates): 574940 opers/sec, 607136745 bytes/sec
test 7 ( 1056 byte blocks, 1056 bytes per update, 1 updates): 1948830 opers/sec, 2057964585 bytes/sec
test 8 ( 2080 byte blocks, 32 bytes per update, 65 updates): 293308 opers/sec, 610082096 bytes/sec
test 9 ( 2080 byte blocks, 2080 bytes per update, 1 updates): 1235224 opers/sec, 2569267792 bytes/sec
test 10 ( 4128 byte blocks, 4128 bytes per update, 1 updates): 684405 opers/sec, 2825226316 bytes/sec
test 11 ( 8224 byte blocks, 8224 bytes per update, 1 updates): 367101 opers/sec, 3019039446 bytes/sec
Benchmark results from a Core i5-4670T.
Signed-off-by: Martin Willi <martin@strongswan.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-07-17 01:14:08 +08:00
|
|
|
poly1305-x86_64-y += poly1305-avx2-x86_64.o
|
2014-03-21 06:14:00 +08:00
|
|
|
endif
|
2015-09-11 06:27:26 +08:00
|
|
|
ifeq ($(sha1_ni_supported),yes)
|
|
|
|
|
sha1-ssse3-y += sha1_ni_asm.o
|
|
|
|
|
endif
|
2012-09-28 06:44:17 +08:00
|
|
|
crc32c-intel-y := crc32c-intel_glue.o
|
2013-02-26 17:52:15 +08:00
|
|
|
crc32c-intel-$(CONFIG_64BIT) += crc32c-pcl-intel-asm_64.o
|
2013-01-10 22:54:59 +08:00
|
|
|
crc32-pclmul-y := crc32-pclmul_asm.o crc32-pclmul_glue.o
|
2013-03-27 04:59:17 +08:00
|
|
|
sha256-ssse3-y := sha256-ssse3-asm.o sha256-avx-asm.o sha256-avx2-asm.o sha256_ssse3_glue.o
|
2015-09-11 06:27:26 +08:00
|
|
|
ifeq ($(sha256_ni_supported),yes)
|
|
|
|
|
sha256-ssse3-y += sha256_ni_asm.o
|
|
|
|
|
endif
|
2013-03-27 05:00:02 +08:00
|
|
|
sha512-ssse3-y := sha512-ssse3-asm.o sha512-avx-asm.o sha512-avx2-asm.o sha512_ssse3_glue.o
|
2013-09-07 10:56:26 +08:00
|
|
|
crct10dif-pclmul-y := crct10dif-pcl-asm_64.o crct10dif-pclmul_glue.o
|