rhash.c File Reference

#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <rhash.h>
#include <retro_miscellaneous.h>
#include <retro_endianness.h>
#include <streams/file_stream.h>

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Classes
struct	sha256_ctx

Macros
#define	LSL32(x, n)   ((uint32_t)(x) << (n))
#define	LSR32(x, n)   ((uint32_t)(x) >> (n))
#define	ROR32(x, n)   (LSR32(x, n) | LSL32(x, 32 - (n)))
#define	SHA1CircularShift(bits, word)   ((((word) << (bits)) & 0xFFFFFFFF) | ((word) >> (32-(bits))))

Functions
static void	sha256_init (struct sha256_ctx *p)
static void	sha256_block (struct sha256_ctx *p)
static void	sha256_chunk (struct sha256_ctx *p, const uint8_t *s, unsigned len)
static void	sha256_final (struct sha256_ctx *p)
static void	sha256_subhash (struct sha256_ctx *p, uint32_t *t)
void	sha256_hash (char *s, const uint8_t *in, size_t size)
uint32_t	crc32_adjust (uint32_t checksum, uint8_t input)
uint32_t	crc32_calculate (const uint8_t *data, size_t length)
static void	SHA1Reset (SHA1Context *context)
static void	SHA1ProcessMessageBlock (SHA1Context *context)
static void	SHA1PadMessage (SHA1Context *context)
static int	SHA1Result (SHA1Context *context)
static void	SHA1Input (SHA1Context *context, const unsigned char *message_array, unsigned length)
int	sha1_calculate (const char *path, char *result)
uint32_t	djb2_calculate (const char *str)

Variables
static const uint32_t	T_H [8]
static const uint32_t	T_K [64]
static const uint32_t	crc32_hash_table [256]

Macro Definition Documentation

LSL32

#define LSL32	(		x,
			n
	)		((uint32_t)(x) << (n))

LSR32

#define LSR32	(		x,
			n
	)		((uint32_t)(x) >> (n))

ROR32

#define ROR32	(		x,
			n
	)		(LSR32(x, n) | LSL32(x, 32 - (n)))

SHA1CircularShift

#define SHA1CircularShift	(		bits,
			word
	)		((((word) << (bits)) & 0xFFFFFFFF) | ((word) >> (32-(bits))))

Function Documentation

crc32_adjust()

uint32_t crc32_adjust	(	uint32_t	checksum,
		uint8_t	input
	)

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crc32_calculate()

uint32_t crc32_calculate	(	const uint8_t *	data,
		size_t	length
	)

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djb2_calculate()

uint32_t djb2_calculate

(

const char *

str

)

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sha1_calculate()

int sha1_calculate	(	const char *	path,
		char *	result
	)

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SHA1Input()

static void SHA1Input ( SHA1Context *  context, const unsigned char *  message_array, unsigned  length  )

static

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SHA1PadMessage()

static void SHA1PadMessage ( SHA1Context *  context )

static

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SHA1ProcessMessageBlock()

static void SHA1ProcessMessageBlock ( SHA1Context *  context )

static

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SHA1Reset()

static void SHA1Reset ( SHA1Context *  context )

static

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SHA1Result()

static int SHA1Result ( SHA1Context *  context )

static

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sha256_block()

static void sha256_block ( struct sha256_ctx *  p )

static

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sha256_chunk()

static void sha256_chunk ( struct sha256_ctx *  p, const uint8_t *  s, unsigned  len  )

static

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sha256_final()

static void sha256_final ( struct sha256_ctx *  p )

static

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sha256_hash()

void sha256_hash	(	char *	s,
		const uint8_t *	in,
		size_t	size
	)

sha256_hash: : Output. : Input. : Size of .

Hashes SHA256 and outputs a human readable string.

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sha256_init()

static void sha256_init ( struct sha256_ctx *  p )

static

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sha256_subhash()

static void sha256_subhash ( struct sha256_ctx *  p, uint32_t *  t  )

static

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Variable Documentation

crc32_hash_table

const uint32_t crc32_hash_table[256]

static

T_H

const uint32_t T_H[8]

static

Initial value:

= {
 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19,
}

T_K

const uint32_t T_K[64]

static

Initial value:

= {
 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2,
}