On Sun, May 08, 2022 at 03:09:44PM +0200, Vladis Dronov wrote: > From: Vladis Dronov <vdronov@xxxxxxxxxx> > > Implement a crypto library interface for the s390-native ChaCha20 cipher > algorithm. This allows us to stop to select CRYPTO_CHACHA20 and instead > select CRYPTO_ARCH_HAVE_LIB_CHACHA. This allows BIG_KEYS=y not to build > a whole ChaCha20 crypto infrastructure as a built-in, but build a smaller > CRYPTO_LIB_CHACHA instead. > > Make CRYPTO_CHACHA_S390 config entry to look like similar ones on other > architectures. Remove CRYPTO_ALGAPI select as anyway it is selected by > CRYPTO_SKCIPHER. > > Add a new test module and a test script for ChaCha20 cipher and its > interfaces. Here are test results on an idle z15 machine: > > Data | Generic crypto TFM | s390 crypto TFM | s390 lib > size | enc dec | enc dec | enc dec > -----+--------------------+------------------+---------------- > 512b | 1545ns 1295ns | 604ns 446ns | 430ns 407ns > 4k | 9536ns 9463ns | 2329ns 2174ns | 2170ns 2154ns > 64k | 149.6us 149.3us | 34.4us 34.5us | 33.9us 33.1us > 6M | 23.61ms 23.11ms | 4223us 4160us | 3951us 4008us > 60M | 143.9ms 143.9ms | 33.5ms 33.2ms | 32.2ms 32.1ms > > Signed-off-by: Vladis Dronov <vdronov@xxxxxxxxxx> > --- > arch/s390/crypto/chacha-glue.c | 34 +- > drivers/crypto/Kconfig | 4 +- > tools/testing/crypto/chacha20-s390/Makefile | 12 + > .../testing/crypto/chacha20-s390/run-tests.sh | 34 ++ > .../crypto/chacha20-s390/test-cipher.c | 372 ++++++++++++++++++ > 5 files changed, 452 insertions(+), 4 deletions(-) > create mode 100644 tools/testing/crypto/chacha20-s390/Makefile > create mode 100644 tools/testing/crypto/chacha20-s390/run-tests.sh > create mode 100644 tools/testing/crypto/chacha20-s390/test-cipher.c Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
