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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 19:54:53 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-22 20:01:40 (GMT) |
commit | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch) | |
tree | 3c2086ab67398a019089a47ca3f362a4bc6db74f /drivers/staging/rtl8192su/ieee80211/digest.c | |
parent | 34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff) | |
parent | 9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff) | |
download | linux-fsl-qoriq-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.tar.xz |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/staging/rtl8192su/ieee80211/digest.c')
-rw-r--r-- | drivers/staging/rtl8192su/ieee80211/digest.c | 108 |
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 1a95f2d..0000000 --- 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); -} |