diff options
author | markm <markm@FreeBSD.org> | 2000-09-10 13:52:19 +0000 |
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committer | markm <markm@FreeBSD.org> | 2000-09-10 13:52:19 +0000 |
commit | bda6631159d812341f6580e946c1018370472ca5 (patch) | |
tree | 493f74f89936854101b5fafbba093a3d63291a1e /sys/dev/random/hash.h | |
parent | 87a1e517ad08a9114153b8cd936c2382a0f3d06e (diff) | |
download | FreeBSD-src-bda6631159d812341f6580e946c1018370472ca5.zip FreeBSD-src-bda6631159d812341f6580e946c1018370472ca5.tar.gz |
Large upgrade to the entropy device; mainly inspired by feedback
from many folk.
o The reseed process is now a kthread. With SMPng, kthreads are
pre-emptive, so the annoying jerkiness of the mouse is gone.
o The data structures are protected by mutexes now, not splfoo()/splx().
o The cryptographic routines are broken out into their own subroutines.
this facilitates review, and possible replacement if that is ever
found necessary.
Thanks to: kris, green, peter, jasone, grog, jhb
Forgotten to thank: You know who you are; no offense intended.
Diffstat (limited to 'sys/dev/random/hash.h')
-rw-r--r-- | sys/dev/random/hash.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sys/dev/random/hash.h b/sys/dev/random/hash.h new file mode 100644 index 0000000..f210f13 --- /dev/null +++ b/sys/dev/random/hash.h @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 2000 Mark R V Murray + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer + * in this position and unchanged. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#define KEYSIZE 32 /* 32 bytes == 256 bits */ + +struct yarrowhash { /* Big! Make static! */ + BF_KEY hashkey; /* Data cycles through here */ + u_char ivec[8]; /* Blowfish Internal */ + u_char hash[KEYSIZE]; /* Repeatedly encrypted */ +}; + +struct yarrowkey { /* Big! Make static! */ + BF_KEY key; /* Key schedule */ + u_char ivec[8]; /* Blowfish Internal */ +}; + +void yarrow_hash_init(struct yarrowhash *, void *, size_t); +void yarrow_hash_iterate(struct yarrowhash *, void *, size_t); +void yarrow_hash_finish(struct yarrowhash *, void *); +void yarrow_encrypt_init(struct yarrowkey *, void *, size_t); +void yarrow_encrypt(struct yarrowkey *context, void *, void *, size_t); |