On Wed, Jun 08, 2016 at 10:58:37AM +0200, Stephan Mueller wrote: > > Indeed, I used ctr(aes-aesni) instead of ctr-aes-aesni according to the refcnt > in /proc/crypto. The reason was that I used the sync skcipher API which > naturally excludes the ctr-aes-aesni. > > When changing it to really use ctr-aes-aesni, I get: between 450% performance > gains (for 4096 bytes -- 780 MB/s(!)) and 4% gain (for 16 bytes). > > Though, on 32 bit with ctr(aes-aesni) -- which is a blkcipher -- I get a > performance degradation of 10% (4096 bytes) and 20% (16 bytes). > > Any ideas on how to handle the blkcipher in a better way? You should always use ctr-aes-aesni, ctr(aes-aesni) makes no sense. So I don't quite understand why you need to handle blkcipher, does ctr-aes-aesni not work on 32-bit? Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html