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authorJussi Kivilinna <jussi.kivilinna@mbnet.fi>2012-11-16 10:45:43 +0200
committerWerner Koch <wk@gnupg.org>2012-11-21 11:52:33 +0100
commit8afabc2813948778a3db52d9dee9a041a3dd50d4 (patch)
tree2687114669064d67bceea84752f1287677711c46 /AUTHORS
parentd8bdfa42ed582655c180e7db9b16d4e756a12a6e (diff)
downloadlibgcrypt-8afabc2813948778a3db52d9dee9a041a3dd50d4.tar.gz
Fix too large burn_stack in camellia-glue.c
* cipher/camellia-glue.c (camellia_encrypt, camellia_decrypt): Do not take full array size of KEY_TABLE_TYPE, but argument size instead. -- KEY_TABLE_TYPE is array type, and sizeof(KEY_TABLE_TYPE) gives full size of array. However what is wanted here is size of array argument in stack, so change sizeof(KEY_TABLE_TYPE) to sizeof(void*). This gives boost in speed for camellia cipher. On AMD Phenom II, x86-64: Before: $ tests/benchmark --cipher-repetitions 10 cipher camellia128 Running each test 10 times. ECB/Stream CBC CFB OFB CTR --------------- --------------- --------------- --------------- --------------- CAMELLIA128 250ms 240ms 270ms 260ms 250ms 250ms 260ms 250ms 340ms 330ms After: $ tests/benchmark --cipher-repetitions 10 cipher camellia128 Running each test 10 times. ECB/Stream CBC CFB OFB CTR --------------- --------------- --------------- --------------- --------------- CAMELLIA128 140ms 130ms 150ms 160ms 150ms 150ms 150ms 140ms 220ms 220ms [v2] - Add GNU style changelog Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
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