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path: root/drivers/staging/rtl8192su/ieee80211/digest.c
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Diffstat (limited to 'drivers/staging/rtl8192su/ieee80211/digest.c')
-rw-r--r--drivers/staging/rtl8192su/ieee80211/digest.c108
1 files changed, 0 insertions, 108 deletions
diff --git a/drivers/staging/rtl8192su/ieee80211/digest.c b/drivers/staging/rtl8192su/ieee80211/digest.c
deleted file mode 100644
index 1a95f2d37837..000000000000
--- a/drivers/staging/rtl8192su/ieee80211/digest.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Cryptographic API.
- *
- * Digest operations.
- *
- * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- */
-//#include <linux/crypto.h>
-#include "rtl_crypto.h"
-#include <linux/mm.h>
-#include <linux/errno.h>
-#include <linux/highmem.h>
-#include <asm/scatterlist.h>
-#include "internal.h"
-
-static void init(struct crypto_tfm *tfm)
-{
- tfm->__crt_alg->cra_digest.dia_init(crypto_tfm_ctx(tfm));
-}
-
-static void update(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg)
-{
- unsigned int i;
-
- for (i = 0; i < nsg; i++) {
-
- struct page *pg = sg[i].page;
- unsigned int offset = sg[i].offset;
- unsigned int l = sg[i].length;
-
- do {
- unsigned int bytes_from_page = min(l, ((unsigned int)
- (PAGE_SIZE)) -
- offset);
- char *p = crypto_kmap(pg, 0) + offset;
-
- tfm->__crt_alg->cra_digest.dia_update
- (crypto_tfm_ctx(tfm), p,
- bytes_from_page);
- crypto_kunmap(p, 0);
- crypto_yield(tfm);
- offset = 0;
- pg++;
- l -= bytes_from_page;
- } while (l > 0);
- }
-}
-
-static void final(struct crypto_tfm *tfm, u8 *out)
-{
- tfm->__crt_alg->cra_digest.dia_final(crypto_tfm_ctx(tfm), out);
-}
-
-static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
-{
- u32 flags;
- if (tfm->__crt_alg->cra_digest.dia_setkey == NULL)
- return -ENOSYS;
- return tfm->__crt_alg->cra_digest.dia_setkey(crypto_tfm_ctx(tfm),
- key, keylen, &flags);
-}
-
-static void digest(struct crypto_tfm *tfm,
- struct scatterlist *sg, unsigned int nsg, u8 *out)
-{
- unsigned int i;
-
- tfm->crt_digest.dit_init(tfm);
-
- for (i = 0; i < nsg; i++) {
- char *p = crypto_kmap(sg[i].page, 0) + sg[i].offset;
- tfm->__crt_alg->cra_digest.dia_update(crypto_tfm_ctx(tfm),
- p, sg[i].length);
- crypto_kunmap(p, 0);
- crypto_yield(tfm);
- }
- crypto_digest_final(tfm, out);
-}
-
-int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags)
-{
- return flags ? -EINVAL : 0;
-}
-
-int crypto_init_digest_ops(struct crypto_tfm *tfm)
-{
- struct digest_tfm *ops = &tfm->crt_digest;
-
- ops->dit_init = init;
- ops->dit_update = update;
- ops->dit_final = final;
- ops->dit_digest = digest;
- ops->dit_setkey = setkey;
-
- return crypto_alloc_hmac_block(tfm);
-}
-
-void crypto_exit_digest_ops(struct crypto_tfm *tfm)
-{
- crypto_free_hmac_block(tfm);
-}