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-rw-r--r-- | share/man/man4/aesni.4 | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/share/man/man4/aesni.4 b/share/man/man4/aesni.4 index 2396e48..995f2b5 100644 --- a/share/man/man4/aesni.4 +++ b/share/man/man4/aesni.4 @@ -47,24 +47,23 @@ aesni_load="YES" .Ed .Sh DESCRIPTION Starting with some models of Core i5/i7, Intel processors implement -new set of instructions called AESNI. +a new set of instructions called AESNI. The set of six instructions accelerates the calculation of the key schedule for key lengths of 128, 192, and 256 of the Advanced -Encryption Standard (AES) symmetric cipher, and provides the hardware +Encryption Standard (AES) symmetric cipher, and provides hardware implementation of the regular and the last encryption and decryption rounds. .Pp -The processor capability is reported as AESNI in the Features2 line -at the boot. Driver does not attach on the system that lacks the -required CPU capability. +The processor capability is reported as AESNI in the Features2 line at boot. +Driver does not attach on the system that lacks the required CPU capability. .Pp The .Nm driver registers itself to accelerate AES operations for .Xr crypto 4 . -Besides speed, advantage of using the driver is that the AESNI operation -is data-independend, thus eliminating some attack vectors based on the -measuring cache use and timings, typically present in the table-driven +Besides speed, the advantage of using the driver is that the AESNI operation +is data-independent, thus eliminating some attack vectors based on +measuring cache use and timings typically present in the table-driven implementations. .Sh SEE ALSO .Xr crypt 3 , |