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-rw-r--r--src/common/aes.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/common/aes.c b/src/common/aes.c
index df9c4f4d08..fa6de45252 100644
--- a/src/common/aes.c
+++ b/src/common/aes.c
@@ -35,6 +35,8 @@ const char aes_c_id[] = "$Id$";
* significantly faster than using OpenSSL's EVP code (by about 27%)
* and faster than using OpenSSL's AES functions (by about 19%).
* The counter-mode optimization saves around 5%.
+ *
+ * (XXXX We should actually test this more, and test it regularly.)
*/
#undef USE_OPENSSL_AES
#undef USE_OPENSSL_EVP
@@ -183,6 +185,10 @@ void
aes_crypt(aes_cnt_cipher_t *cipher, const char *input, size_t len,
char *output)
{
+ /* XXXX This function is up to 5% of our runtime in some profiles;
+ * we should look into unrolling some of the loops; taking advantage
+ * of alignmement, using a bigger buffer, and so on. Not till after 0.1.2.x,
+ * though. */
int c = cipher->pos;
if (!len) return;