diff options
Diffstat (limited to 'src/common/aes.c')
-rw-r--r-- | src/common/aes.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/common/aes.c b/src/common/aes.c index f03a76b037..81091e9f02 100644 --- a/src/common/aes.c +++ b/src/common/aes.c @@ -100,6 +100,9 @@ /* Figure out which AES optimizations to use. */ #ifdef USE_BUILTIN_AES +/** If this is defined, we take advantage of the fact that AES treats its + * input as a set of 4 32-bit words, so that there is no need to encode and + * decode the 128-bit counter before every block encryption */ # define USE_RIJNDAEL_COUNTER_OPTIMIZATION # if 0 && (defined(__powerpc__) || defined(__powerpc64__)) /* XXXX do more experimentation before concluding this is actually |