[PATCH 3/3] cifs: md5 cleanup - comments

From: Jesper Juhl
Date: Mon Apr 11 2005 - 15:22:43 EST



clean up comments and make them conform to the style used in other cifs
files.

this patch can also be fetched from:
http://www.linuxtux.org/~juhl/kernel_patches/fs_cifs_md5-comments.patch

Signed-off-by: Jesper Juhl <juhl-lkml@xxxxxx>

--- linux-2.6.12-rc2-mm2/fs/cifs/md5.c.with_patch2 2005-04-09 10:50:54.000000000 +0200
+++ linux-2.6.12-rc2-mm2/fs/cifs/md5.c 2005-04-09 10:51:00.000000000 +0200
@@ -15,9 +15,9 @@
* will fill a supplied 16-byte array with the digest.
*/

-/* This code slightly modified to fit into Samba by
- abartlet@xxxxxxxxx Jun 2001
- and to fit the cifs vfs by
+/* This code slightly modified to fit into Samba by
+ abartlet@xxxxxxxxx Jun 2001
+ and to fit the cifs vfs by
Steve French sfrench@xxxxxxxxxx */

#include <linux/string.h>
@@ -25,9 +25,7 @@

static void MD5Transform(__u32 buf[4], __u32 const in[16]);

-/*
- * Note: this code is harmless on little-endian machines.
- */
+/* Note: this code is harmless on little-endian machines. */
static void byteReverse(unsigned char *buf, unsigned longs)
{
__u32 t;
@@ -39,10 +37,8 @@ static void byteReverse(unsigned char *b
} while (--longs);
}

-/*
- * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
- * initialization constants.
- */
+/* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
+ initialization constants. */
void MD5Init(struct MD5Context *ctx)
{
ctx->buf[0] = 0x67452301;
@@ -54,10 +50,8 @@ void MD5Init(struct MD5Context *ctx)
ctx->bits[1] = 0;
}

-/*
- * Update context to reflect the concatenation of another buffer full
- * of bytes.
- */
+/* Update context to reflect the concatenation of another buffer full of
+ bytes. */
void MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len)
{
register __u32 t;
@@ -99,10 +93,8 @@ void MD5Update(struct MD5Context *ctx, u
memmove(ctx->in, buf, len);
}

-/*
- * Final wrapup - pad to 64-byte boundary with the bit pattern
- * 1 0* (64-bit count of bits processed, MSB-first)
- */
+/* Final wrapup - pad to 64-byte boundary with the bit pattern
+ 1 0* (64-bit count of bits processed, MSB-first) */
void MD5Final(unsigned char digest[16], struct MD5Context *ctx)
{
unsigned int count;
@@ -156,11 +148,9 @@ void MD5Final(unsigned char digest[16],
#define MD5STEP(f, w, x, y, z, data, s) \
( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )

-/*
- * The core of the MD5 algorithm, this alters an existing MD5 hash to
- * reflect the addition of 16 longwords of new data. MD5Update blocks
- * the data and converts bytes into longwords for this routine.
- */
+/* The core of the MD5 algorithm, this alters an existing MD5 hash to reflect
+ the addition of 16 longwords of new data. MD5Update blocks the data and
+ converts bytes into longwords for this routine. */
static void MD5Transform(__u32 buf[4], __u32 const in[16])
{
register __u32 a, b, c, d;
@@ -244,9 +234,7 @@ static void MD5Transform(__u32 buf[4], _
buf[3] += d;
}

-/***********************************************************************
- the rfc 2104 version of hmac_md5 initialisation.
-***********************************************************************/
+/* the rfc 2104 version of hmac_md5 initialisation. */
void hmac_md5_init_rfc2104(unsigned char *key, int key_len,
struct HMACMD5Context *ctx)
{
@@ -281,9 +269,7 @@ void hmac_md5_init_rfc2104(unsigned char
MD5Update(&ctx->ctx, ctx->k_ipad, 64);
}

-/***********************************************************************
- the microsoft version of hmac_md5 initialisation.
-***********************************************************************/
+/* the microsoft version of hmac_md5 initialisation. */
void hmac_md5_init_limK_to_64(const unsigned char *key, int key_len,
struct HMACMD5Context *ctx)
{
@@ -310,18 +296,14 @@ void hmac_md5_init_limK_to_64(const unsi
MD5Update(&ctx->ctx, ctx->k_ipad, 64);
}

-/***********************************************************************
- update hmac_md5 "inner" buffer
-***********************************************************************/
+/* update hmac_md5 "inner" buffer */
void hmac_md5_update(const unsigned char *text, int text_len,
struct HMACMD5Context *ctx)
{
MD5Update(&ctx->ctx, text, text_len); /* then text of datagram */
}

-/***********************************************************************
- finish off hmac_md5 "inner" buffer and generate outer one.
-***********************************************************************/
+/* finish off hmac_md5 "inner" buffer and generate outer one. */
void hmac_md5_final(unsigned char *digest, struct HMACMD5Context *ctx)
{
struct MD5Context ctx_o;
@@ -334,10 +316,8 @@ void hmac_md5_final(unsigned char *diges
MD5Final(digest, &ctx_o);
}

-/***********************************************************
- single function to calculate an HMAC MD5 digest from data.
- use the microsoft hmacmd5 init method because the key is 16 bytes.
-************************************************************/
+/* single function to calculate an HMAC MD5 digest from data.
+ use the microsoft hmacmd5 init method because the key is 16 bytes. */
void hmac_md5(unsigned char key[16], unsigned char *data, int data_len,
unsigned char *digest)
{


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