wireguard-openbsd/sys/crypto/arc4.c, branch jd/simplify-queueing WireGuard implementation for the OpenBSD kernel https://git.zx2c4.com/wireguard-openbsd/atom/sys/crypto/arc4.c?h=jd%2Fsimplify-queueing 2007-09-11T12:07:05Z Add __bounded__ attributes to prototypes. 2007-09-11T12:07:05Z djm djm@openbsd.org 2007-09-11T12:07:05Z urn:sha1:753dd0db73c7ec9c639cb6ccdbeb9ecb87962a71 Use (x & 0xff) rather than (x % 256) - compilers generate faster code. Add arc4_getbytes function to extract raw keystream ok markus@ tom@ add rc4_skip() function that can be used to discard bytes from 2007-07-24T19:35:20Z damien damien@openbsd.org 2007-07-24T19:35:20Z urn:sha1:c5823ff2899dc23bf01c945069e4bb125c7ccd19 the arc4 key stream. rc4_skip(ctx, len); is equivalent to: u_int8_t dummy[len]; rc4_crypt(ctx, dummy, dummy, len); except that is does not require storage space and that it saves some cpu cycles. ok deraadt@ arc4 support; ok millert@, fgsch@ 2003-10-07T07:07:14Z markus markus@openbsd.org 2003-10-07T07:07:14Z urn:sha1:38553144ce29f8febdfe3705a0d62a0e3cbba3c1