mmc: s3c6410: enable ADMA feature in 6410 sdhci controller

[safe/jmp/linux-2.6] / crypto / michael_mic.c

diff --git a/crypto/michael_mic.c b/crypto/michael_mic.c
index 4f6ab23..079b761 100644 (file)
--- a/crypto/michael_mic.c
+++ b/crypto/michael_mic.c
@@ -3,29 +3,31 @@
  *
  * Michael MIC (IEEE 802.11i/TKIP) keyed digest
  *
- * Copyright (c) 2004 Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright (c) 2004 Jouni Malinen <j@w1.fi>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <crypto/internal/hash.h>
 #include <asm/byteorder.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/string.h>
-#include <linux/crypto.h>
 #include <linux/types.h>
 
 
 struct michael_mic_ctx {
+       u32 l, r;
+};
+
+struct michael_mic_desc_ctx {
        u8 pending[4];
        size_t pending_len;
 
        u32 l, r;
 };
 
-
 static inline u32 xswap(u32 val)
 {
        return ((val & 0x00ff00ff) << 8) | ((val & 0xff00ff00) >> 8);
@@ -45,16 +47,22 @@ do {                                \
 } while (0)
 
 
-static void michael_init(void *ctx)
+static int michael_init(struct shash_desc *desc)
 {
-       struct michael_mic_ctx *mctx = ctx;
+       struct michael_mic_desc_ctx *mctx = shash_desc_ctx(desc);
+       struct michael_mic_ctx *ctx = crypto_shash_ctx(desc->tfm);
        mctx->pending_len = 0;
+       mctx->l = ctx->l;
+       mctx->r = ctx->r;
+
+       return 0;
 }
 
 
-static void michael_update(void *ctx, const u8 *data, unsigned int len)
+static int michael_update(struct shash_desc *desc, const u8 *data,
+                          unsigned int len)
 {
-       struct michael_mic_ctx *mctx = ctx;
+       struct michael_mic_desc_ctx *mctx = shash_desc_ctx(desc);
        const __le32 *src;
 
        if (mctx->pending_len) {
@@ -67,7 +75,7 @@ static void michael_update(void *ctx, const u8 *data, unsigned int len)
                len -= flen;
 
                if (mctx->pending_len < 4)
-                       return;
+                       return 0;
 
                src = (const __le32 *)mctx->pending;
                mctx->l ^= le32_to_cpup(src);
@@ -87,12 +95,14 @@ static void michael_update(void *ctx, const u8 *data, unsigned int len)
                mctx->pending_len = len;
                memcpy(mctx->pending, src, len);
        }
+
+       return 0;
 }
 
 
-static void michael_final(void *ctx, u8 *out)
+static int michael_final(struct shash_desc *desc, u8 *out)
 {
-       struct michael_mic_ctx *mctx = ctx;
+       struct michael_mic_desc_ctx *mctx = shash_desc_ctx(desc);
        u8 *data = mctx->pending;
        __le32 *dst = (__le32 *)out;
 
@@ -118,18 +128,20 @@ static void michael_final(void *ctx, u8 *out)
 
        dst[0] = cpu_to_le32(mctx->l);
        dst[1] = cpu_to_le32(mctx->r);
+
+       return 0;
 }
 
 
-static int michael_setkey(void *ctx, const u8 *key, unsigned int keylen,
-                         u32 *flags)
+static int michael_setkey(struct crypto_shash *tfm, const u8 *key,
+                         unsigned int keylen)
 {
-       struct michael_mic_ctx *mctx = ctx;
+       struct michael_mic_ctx *mctx = crypto_shash_ctx(tfm);
+
        const __le32 *data = (const __le32 *)key;
 
        if (keylen != 8) {
-               if (flags)
-                       *flags = CRYPTO_TFM_RES_BAD_KEY_LEN;
+               crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
                return -EINVAL;
        }
 
@@ -138,32 +150,31 @@ static int michael_setkey(void *ctx, const u8 *key, unsigned int keylen,
        return 0;
 }
 
-
-static struct crypto_alg michael_mic_alg = {
-       .cra_name       = "michael_mic",
-       .cra_flags      = CRYPTO_ALG_TYPE_DIGEST,
-       .cra_blocksize  = 8,
-       .cra_ctxsize    = sizeof(struct michael_mic_ctx),
-       .cra_module     = THIS_MODULE,
-       .cra_list       = LIST_HEAD_INIT(michael_mic_alg.cra_list),
-       .cra_u          = { .digest = {
-       .dia_digestsize = 8,
-       .dia_init       = michael_init,
-       .dia_update     = michael_update,
-       .dia_final      = michael_final,
-       .dia_setkey     = michael_setkey } }
+static struct shash_alg alg = {
+       .digestsize             =       8,
+       .setkey                 =       michael_setkey,
+       .init                   =       michael_init,
+       .update                 =       michael_update,
+       .final                  =       michael_final,
+       .descsize               =       sizeof(struct michael_mic_desc_ctx),
+       .base                   =       {
+               .cra_name               =       "michael_mic",
+               .cra_blocksize          =       8,
+               .cra_alignmask          =       3,
+               .cra_ctxsize            =       sizeof(struct michael_mic_ctx),
+               .cra_module             =       THIS_MODULE,
+       }
 };
 
-
 static int __init michael_mic_init(void)
 {
-       return crypto_register_alg(&michael_mic_alg);
+       return crypto_register_shash(&alg);
 }
 
 
 static void __exit michael_mic_exit(void)
 {
-       crypto_unregister_alg(&michael_mic_alg);
+       crypto_unregister_shash(&alg);
 }
 
 
@@ -172,4 +183,4 @@ module_exit(michael_mic_exit);
 
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("Michael MIC");
-MODULE_AUTHOR("Jouni Malinen <jkmaline@cc.hut.fi>");
+MODULE_AUTHOR("Jouni Malinen <j@w1.fi>");