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-rw-r--r--sys/dev/randomdev/hash.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/sys/dev/randomdev/hash.c b/sys/dev/randomdev/hash.c
deleted file mode 100644
index 432a54b..0000000
--- a/sys/dev/randomdev/hash.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/*-
- * 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/queue.h>
-#include <sys/libkern.h>
-#include <sys/random.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <crypto/blowfish/blowfish.h>
-
-#include <dev/randomdev/hash.h>
-
-/* initialise the hash by copying in some supplied data */
-void
-yarrow_hash_init(struct yarrowhash *context, void *data, size_t size)
-{
- size_t count;
-
- count = size > KEYSIZE ? KEYSIZE : size;
- memset(context->hash, 0xff, KEYSIZE);
- memcpy(context->hash, data, count);
-}
-
-/* Do a Davies-Meyer hash using a block cipher.
- * H_0 = I
- * H_i = E_M_i(H_i-1) ^ H_i-1
- */
-void
-yarrow_hash_iterate(struct yarrowhash *context, void *data, size_t size)
-{
- u_char keybuffer[KEYSIZE], temp[KEYSIZE];
- size_t count;
- int iteration, last, i;
-
- iteration = 0;
- last = 0;
- for (;;) {
- if (size <= KEYSIZE)
- last = 1;
- count = size > KEYSIZE ? KEYSIZE : size;
- memcpy(keybuffer, &((u_char *)data)[iteration], count);
- memset(&keybuffer[KEYSIZE - count], 0xff, count);
- BF_set_key(&context->hashkey, count,
- &((u_char *)data)[iteration]);
- BF_cbc_encrypt(context->hash, temp, KEYSIZE, &context->hashkey,
- context->ivec, BF_ENCRYPT);
- for (i = 0; i < KEYSIZE; i++)
- context->hash[i] ^= temp[i];
- if (last)
- break;
- iteration += KEYSIZE;
- size -= KEYSIZE;
- }
-}
-
-/* Conclude by returning a pointer to the data */
-void
-yarrow_hash_finish(struct yarrowhash *context, void *buf)
-{
- memcpy(buf, context->hash, sizeof(context->hash));
-}
-
-/* Initialise the encryption routine by setting up the key schedule */
-void
-yarrow_encrypt_init(struct yarrowkey *context, void *data, size_t size)
-{
- size_t count;
-
- count = size > KEYSIZE ? KEYSIZE : size;
- BF_set_key(&context->key, size, data);
-}
-
-/* Encrypt the supplied data using the key schedule preset in the context */
-void
-yarrow_encrypt(struct yarrowkey *context, void *d_in, void *d_out, size_t size)
-{
- size_t count;
- int iteration, last;
-
- last = 0;
- for (iteration = 0;; iteration += KEYSIZE) {
- if (size <= KEYSIZE)
- last = 1;
- count = size > KEYSIZE ? KEYSIZE : size;
- BF_cbc_encrypt(&((u_char *)d_in)[iteration],
- &((u_char *)d_out)[iteration], count, &context->key,
- context->ivec, BF_ENCRYPT);
- if (last)
- break;
- size -= KEYSIZE;
- }
-}
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