libaaruformat 1.0
Aaru Data Preservation Suite - Format Library
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md5.c File Reference
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "decls.h"
#include "md5.h"

Go to the source code of this file.

Macros

#define AARU_RESTRICT
#define LIKELY(x)
#define UNLIKELY(x)
#define HOT
#define MD5_MAX_UNROLL   4
#define MD5_PREFETCH_DISTANCE_BLOCKS   8
#define MD5_ENABLE_PREFETCH   1
#define MD5_UNROLL8_THRESHOLD   8192UL
#define MD5_UNROLL4_THRESHOLD   2048UL
#define MD5_UNROLL2_THRESHOLD   512UL
#define F(x, y, z)
#define G(x, y, z)
#define H(x, y, z)
#define H2(x, y, z)
#define I(x, y, z)
#define ROTL32(x, s)
#define STEP(f, a, b, c, d, x, t, s)
#define SET(n)
#define GET(n)
#define OUT(dst, src)

Functions

static FORCE_INLINE void md5_process_block_loaded (uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d, const unsigned char *ptr)
static const void * body (md5_ctx *ctx, const void *data, unsigned long size)
void aaruf_md5_init (md5_ctx *ctx)
void aaruf_md5_update (md5_ctx *ctx, const void *data, unsigned long size)
void aaruf_md5_final (md5_ctx *ctx, unsigned char *result)
void aaruf_md5_buffer (const void *data, unsigned long size, unsigned char *result)

Macro Definition Documentation

◆ AARU_RESTRICT

#define AARU_RESTRICT

Definition at line 49 of file md5.c.

Referenced by aaruf_md5_update(), body(), and md5_process_block_loaded().

◆ F

#define F ( x,
y,
z )
Value:
((z) ^ ((x) & ((y) ^ (z))))

Definition at line 105 of file md5.c.

Referenced by body(), and md5_process_block_loaded().

◆ G

#define G ( x,
y,
z )
Value:
((y) ^ ((z) & ((x) ^ (y))))

Definition at line 106 of file md5.c.

Referenced by body(), and md5_process_block_loaded().

◆ GET

#define GET ( n)
Value:
(ctx->block[(n)])

Definition at line 155 of file md5.c.

Referenced by body().

◆ H

#define H ( x,
y,
z )
Value:
(((x) ^ (y)) ^ (z))

Definition at line 107 of file md5.c.

Referenced by body(), and md5_process_block_loaded().

◆ H2

#define H2 ( x,
y,
z )
Value:
((x) ^ ((y) ^ (z)))

Definition at line 108 of file md5.c.

Referenced by body(), and md5_process_block_loaded().

◆ HOT

#define HOT

Definition at line 65 of file md5.c.

Referenced by body(), and md5_process_block_loaded().

◆ I

#define I ( x,
y,
z )
Value:
((y) ^ ((x) | ~(z)))

Definition at line 109 of file md5.c.

Referenced by body(), and md5_process_block_loaded().

◆ LIKELY

#define LIKELY ( x)
Value:
(x)

Definition at line 57 of file md5.c.

Referenced by aaruf_md5_update().

◆ MD5_ENABLE_PREFETCH

#define MD5_ENABLE_PREFETCH   1

Definition at line 75 of file md5.c.

◆ MD5_MAX_UNROLL

#define MD5_MAX_UNROLL   4

Definition at line 69 of file md5.c.

◆ MD5_PREFETCH_DISTANCE_BLOCKS

#define MD5_PREFETCH_DISTANCE_BLOCKS   8

Definition at line 72 of file md5.c.

Referenced by body().

◆ MD5_UNROLL2_THRESHOLD

#define MD5_UNROLL2_THRESHOLD   512UL

Definition at line 84 of file md5.c.

Referenced by body().

◆ MD5_UNROLL4_THRESHOLD

#define MD5_UNROLL4_THRESHOLD   2048UL

Definition at line 81 of file md5.c.

Referenced by body().

◆ MD5_UNROLL8_THRESHOLD

#define MD5_UNROLL8_THRESHOLD   8192UL

Definition at line 78 of file md5.c.

Referenced by body().

◆ OUT

#define OUT ( dst,
src )
Value:
(dst)[0] = (unsigned char)(src); \
(dst)[1] = (unsigned char)((src) >> 8); \
(dst)[2] = (unsigned char)((src) >> 16); \
(dst)[3] = (unsigned char)((src) >> 24);

Definition at line 469 of file md5.c.

Referenced by aaruf_md5_final().

◆ ROTL32

#define ROTL32 ( x,
s )
Value:
(((uint32_t)(x) << (s)) | ((uint32_t)(x) >> (32 - (s))))

Definition at line 122 of file md5.c.

◆ SET

#define SET ( n)
Value:
(ctx->block[(n)] = (uint32_t)ptr[(n) * 4] | ((uint32_t)ptr[(n) * 4 + 1] << 8) | \
((uint32_t)ptr[(n) * 4 + 2] << 16) | ((uint32_t)ptr[(n) * 4 + 3] << 24))

Definition at line 152 of file md5.c.

Referenced by body().

◆ STEP

#define STEP ( f,
a,
b,
c,
d,
x,
t,
s )
Value:
(a) += f((b), (c), (d)) + (x) + (uint32_t)(t); \
(a) = ROTL32((a), (s)); \
(a) += (b);
ROTL32
#define ROTL32(x, s)
Definition md5.c:122

Definition at line 128 of file md5.c.

Referenced by body(), and md5_process_block_loaded().

◆ UNLIKELY

#define UNLIKELY ( x)
Value:
(x)

Definition at line 58 of file md5.c.

Referenced by aaruf_md5_update().

Function Documentation

◆ aaruf_md5_buffer()

void aaruf_md5_buffer ( const void * data,
unsigned long size,
unsigned char * result )

Definition at line 508 of file md5.c.

References AARU_CALL, AARU_EXPORT, aaruf_md5_final(), aaruf_md5_init(), and aaruf_md5_update().

◆ aaruf_md5_final()

void aaruf_md5_final ( md5_ctx * ctx,
unsigned char * result )

Definition at line 475 of file md5.c.

References md5_ctx::a, AARU_CALL, AARU_EXPORT, md5_ctx::b, body(), md5_ctx::buffer, md5_ctx::c, md5_ctx::d, md5_ctx::hi, md5_ctx::lo, and OUT.

Referenced by aaruf_md5_buffer(), and write_checksum_block().

◆ aaruf_md5_init()

void aaruf_md5_init ( md5_ctx * ctx)

Definition at line 425 of file md5.c.

References md5_ctx::a, AARU_CALL, AARU_EXPORT, md5_ctx::b, md5_ctx::c, md5_ctx::d, md5_ctx::hi, and md5_ctx::lo.

Referenced by aaruf_create(), and aaruf_md5_buffer().

◆ aaruf_md5_update()

void aaruf_md5_update ( md5_ctx * ctx,
const void * data,
unsigned long size )

Definition at line 436 of file md5.c.

References AARU_CALL, AARU_EXPORT, AARU_RESTRICT, body(), md5_ctx::buffer, md5_ctx::hi, LIKELY, md5_ctx::lo, and UNLIKELY.

Referenced by aaruf_md5_buffer(), aaruf_write_sector(), and aaruf_write_sector_long().

◆ body()

const void * body ( md5_ctx * ctx,
const void * data,
unsigned long size )
static

Definition at line 268 of file md5.c.

References md5_ctx::a, AARU_RESTRICT, md5_ctx::b, md5_ctx::c, md5_ctx::d, F, G, GET, H, H2, HOT, I, MD5_PREFETCH_DISTANCE_BLOCKS, md5_process_block_loaded(), MD5_UNROLL2_THRESHOLD, MD5_UNROLL4_THRESHOLD, MD5_UNROLL8_THRESHOLD, SET, and STEP.

Referenced by aaruf_md5_final(), and aaruf_md5_update().

◆ md5_process_block_loaded()

FORCE_INLINE void md5_process_block_loaded ( uint32_t * a,
uint32_t * b,
uint32_t * c,
uint32_t * d,
const unsigned char * ptr )
static

Definition at line 162 of file md5.c.

References AARU_RESTRICT, F, FORCE_INLINE, G, H, H2, HOT, I, and STEP.

Referenced by body().