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2017-11-29crypto: replace FSF address with web source in license noticesMartin Kepplinger
A few years ago the FSF moved and "59 Temple Place" is wrong. Having this still in our source files feels old and unmaintained. Let's take the license statement serious and not confuse users. As https://www.gnu.org/licenses/gpl-howto.html suggests, we replace the postal address with "<http://www.gnu.org/licenses/>". Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-11-09crypto: twofish-x86_64-3way - add lrw supportJussi Kivilinna
Patch adds LRW support for twofish-x86_64-3way by using lrw_crypt(). Patch has been tested with tcrypt and automated filesystem tests. Tcrypt benchmarks results (twofish-3way/twofish-asm speed ratios): Intel Celeron T1600 (fam:6, model:15, step:13): size lrw-enc lrw-dec 16B 0.99x 1.00x 64B 1.17x 1.17x 256B 1.26x 1.27x 1024B 1.30x 1.31x 8192B 1.31x 1.32x AMD Phenom II 1055T (fam:16, model:10): size lrw-enc lrw-dec 16B 1.06x 1.01x 64B 1.08x 1.14x 256B 1.19x 1.20x 1024B 1.21x 1.22x 8192B 1.23x 1.24x Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-01-11[CRYPTO] twofish: Do not unroll big stuff in twofish key setupDenys Vlasenko
Currently twofish cipher key setup code has unrolled loops - approximately 70-100 instructions are repeated 40 times. As a result, twofish module is the biggest module in crypto/*. Unrolling produces x2.5 more code (+18k on i386), and speeds up key setup by 7%: unrolled: twofish_setkey/sec: 41128 loop: twofish_setkey/sec: 38148 CALC_K256: ~100 insns each CALC_K192: ~90 insns CALC_K: ~70 insns Attached patch removes this unrolling. $ size */twofish_common.o text data bss dec hex filename 37920 0 0 37920 9420 crypto.org/twofish_common.o 13209 0 0 13209 3399 crypto/twofish_common.o Run tested (modprobe tcrypt reports ok). Please apply. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-09-21[CRYPTO] api: Get rid of flags argument to setkeyHerbert Xu
Now that the tfm is passed directly to setkey instead of the ctx, we no longer need to pass the &tfm->crt_flags pointer. This patch also gets rid of a few unnecessary checks on the key length for ciphers as the cipher layer guarantees that the key length is within the bounds specified by the algorithm. Rather than testing dia_setkey every time, this patch does it only once during crypto_alloc_tfm. The redundant check from crypto_digest_setkey is also removed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-09-21[CRYPTO] twofish: Split out common c codeJoachim Fritschi
This patch splits up the twofish crypto routine into a common part ( key setup ) which will be uses by all twofish crypto modules ( generic-c , i586 assembler and x86_64 assembler ) and generic-c part. It also creates a new header file which will be used by all 3 modules. This eliminates all code duplication. Correctness was verified with the tcrypt module and automated test scripts. Signed-off-by: Joachim Fritschi <jfritschi@freenet.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>