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Commit bb9fdbfd authored by Abdul Rauf's avatar Abdul Rauf Committed by Greg Kroah-Hartman
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staging: skein: fix checkpatch block comments warning 

Fix the following warnings:
Block comments should align the * on each line
Signed-off-by: default avatarAbdul Rauf <abdulraufmujahid@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 09249ecd
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Showing with 99 additions and 89 deletions
drivers/staging/skein/skein_base.h
View file @ bb9fdbfd
#ifndef _SKEIN_H_
#define _SKEIN_H_ 1
/**************************************************************************
**
** Interface declarations and internal definitions for Skein hashing.
**
** Source code author: Doug Whiting, 2008.
**
** This algorithm and source code is released to the public domain.
**
***************************************************************************
**
** The following compile-time switches may be defined to control some
** tradeoffs between speed, code size, error checking, and security.
**
** The "default" note explains what happens when the switch is not defined.
**
** SKEIN_ERR_CHECK -- how error checking is handled inside Skein
** code. If not defined, most error checking
** is disabled (for performance). Otherwise,
** the switch value is interpreted as:
** 0: use assert() to flag errors
** 1: return SKEIN_FAIL to flag errors
**
***************************************************************************/
/*
**************************************************************************
*
* Interface declarations and internal definitions for Skein hashing.
*
* Source code author: Doug Whiting, 2008.
*
* This algorithm and source code is released to the public domain.
*
**************************************************************************
*
* The following compile-time switches may be defined to control some
* tradeoffs between speed, code size, error checking, and security.
*
* The "default" note explains what happens when the switch is not defined.
*
* SKEIN_ERR_CHECK -- how error checking is handled inside Skein
* code. If not defined, most error checking
* is disabled (for performance). Otherwise,
* the switch value is interpreted as:
* 0: use assert() to flag errors
* 1: return SKEIN_FAIL to flag errors
*
**************************************************************************
*/
/*Skein digest sizes for crypto api*/
#define SKEIN256_DIGEST_BIT_SIZE 256
......@@ -101,19 +103,19 @@ int skein_512_final(struct skein_512_ctx *ctx, u8 *hash_val);
int skein_1024_final(struct skein_1024_ctx *ctx, u8 *hash_val);
/*
** Skein APIs for "extended" initialization: MAC keys, tree hashing.
** After an init_ext() call, just use update/final calls as with init().
**
** Notes: Same parameters as _init() calls, plus tree_info/key/key_bytes.
** When key_bytes == 0 and tree_info == SKEIN_SEQUENTIAL,
** the results of init_ext() are identical to calling init().
** The function init() may be called once to "precompute" the IV for
** a given hash_bit_len value, then by saving a copy of the context
** the IV computation may be avoided in later calls.
** Similarly, the function init_ext() may be called once per MAC key
** to precompute the MAC IV, then a copy of the context saved and
** reused for each new MAC computation.
**/
* Skein APIs for "extended" initialization: MAC keys, tree hashing.
* After an init_ext() call, just use update/final calls as with init().
*
* Notes: Same parameters as _init() calls, plus tree_info/key/key_bytes.
* When key_bytes == 0 and tree_info == SKEIN_SEQUENTIAL,
* the results of init_ext() are identical to calling init().
* The function init() may be called once to "precompute" the IV for
* a given hash_bit_len value, then by saving a copy of the context
* the IV computation may be avoided in later calls.
* Similarly, the function init_ext() may be called once per MAC key
* to precompute the MAC IV, then a copy of the context saved and
* reused for each new MAC computation.
*/
int skein_256_init_ext(struct skein_256_ctx *ctx, size_t hash_bit_len,
u64 tree_info, const u8 *key, size_t key_bytes);
int skein_512_init_ext(struct skein_512_ctx *ctx, size_t hash_bit_len,
......@@ -122,10 +124,10 @@ int skein_1024_init_ext(struct skein_1024_ctx *ctx, size_t hash_bit_len,
u64 tree_info, const u8 *key, size_t key_bytes);
/*
** Skein APIs for MAC and tree hash:
** final_pad: pad, do final block, but no OUTPUT type
** output: do just the output stage
*/
* Skein APIs for MAC and tree hash:
* final_pad: pad, do final block, but no OUTPUT type
* output: do just the output stage
*/
int skein_256_final_pad(struct skein_256_ctx *ctx, u8 *hash_val);
int skein_512_final_pad(struct skein_512_ctx *ctx, u8 *hash_val);
int skein_1024_final_pad(struct skein_1024_ctx *ctx, u8 *hash_val);
......@@ -139,13 +141,15 @@ int skein_512_output(struct skein_512_ctx *ctx, u8 *hash_val);
int skein_1024_output(struct skein_1024_ctx *ctx, u8 *hash_val);
#endif
/*****************************************************************
** "Internal" Skein definitions
** -- not needed for sequential hashing API, but will be
** helpful for other uses of Skein (e.g., tree hash mode).
** -- included here so that they can be shared between
** reference and optimized code.
******************************************************************/
/*
*****************************************************************
* "Internal" Skein definitions
* -- not needed for sequential hashing API, but will be
* helpful for other uses of Skein (e.g., tree hash mode).
* -- included here so that they can be shared between
* reference and optimized code.
*****************************************************************
*/
/* tweak word tweak[1]: bit field starting positions */
#define SKEIN_T1_BIT(BIT) ((BIT) - 64) /* second word */
......@@ -226,9 +230,9 @@ int skein_1024_output(struct skein_1024_ctx *ctx, u8 *hash_val);
#define SKEIN_CFG_TREE_INFO_SEQUENTIAL SKEIN_CFG_TREE_INFO(0, 0, 0)
/*
** Skein macros for getting/setting tweak words, etc.
** These are useful for partial input bytes, hash tree init/update, etc.
**/
* Skein macros for getting/setting tweak words, etc.
* These are useful for partial input bytes, hash tree init/update, etc.
*/
#define skein_get_tweak(ctx_ptr, TWK_NUM) ((ctx_ptr)->h.tweak[TWK_NUM])
#define skein_set_tweak(ctx_ptr, TWK_NUM, t_val) { \
(ctx_ptr)->h.tweak[TWK_NUM] = (t_val); \
......@@ -274,9 +278,11 @@ int skein_1024_output(struct skein_1024_ctx *ctx, u8 *hash_val);
#define skein_assert_ret(x, ret_code)
#define skein_assert(x)
/*****************************************************************
** Skein block function constants (shared across Ref and Opt code)
******************************************************************/
/*
*****************************************************************
* Skein block function constants (shared across Ref and Opt code)
*****************************************************************
*/
enum {
/* SKEIN_256 round rotation constants */
R_256_0_0 = 14, R_256_0_1 = 16,
......
drivers/staging/skein/skein_block.c
View file @ bb9fdbfd
/***********************************************************************
**
** Implementation of the Skein block functions.
**
** Source code author: Doug Whiting, 2008.
**
** This algorithm and source code is released to the public domain.
**
** Compile-time switches:
**
** SKEIN_USE_ASM -- set bits (256/512/1024) to select which
** versions use ASM code for block processing
** [default: use C for all block sizes]
**
************************************************************************/
/*
***********************************************************************
*
* Implementation of the Skein block functions.
*
* Source code author: Doug Whiting, 2008.
*
* This algorithm and source code is released to the public domain.
*
* Compile-time switches:
*
* SKEIN_USE_ASM -- set bits (256/512/1024) to select which
* versions use ASM code for block processing
* [default: use C for all block sizes]
*
***********************************************************************
*/
#include <linux/string.h>
#include <linux/bitops.h>
......
drivers/staging/skein/skein_block.h
View file @ bb9fdbfd
/***********************************************************************
**
** Implementation of the Skein hash function.
**
** Source code author: Doug Whiting, 2008.
**
** This algorithm and source code is released to the public domain.
**
************************************************************************/
/*
***********************************************************************
*
* Implementation of the Skein hash function.
*
* Source code author: Doug Whiting, 2008.
*
* This algorithm and source code is released to the public domain.
*
***********************************************************************
*/
#ifndef _SKEIN_BLOCK_H_
#define _SKEIN_BLOCK_H_
......
drivers/staging/skein/skein_iv.h
View file @ bb9fdbfd
......@@ -4,18 +4,18 @@
#include "skein_base.h" /* get Skein macros and types */
/*
***************** Pre-computed Skein IVs *******************
**
** NOTE: these values are not "magic" constants, but
** are generated using the Threefish block function.
** They are pre-computed here only for speed; i.e., to
** avoid the need for a Threefish call during Init().
**
** The IV for any fixed hash length may be pre-computed.
** Only the most common values are included here.
**
************************************************************
**/
**************** Pre-computed Skein IVs *******************
*
* NOTE: these values are not "magic" constants, but
* are generated using the Threefish block function.
* They are pre-computed here only for speed; i.e., to
* avoid the need for a Threefish call during Init().
*
* The IV for any fixed hash length may be pre-computed.
* Only the most common values are included here.
*
***********************************************************
*/
#define MK_64 SKEIN_MK_64
......
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