Dokumentacja pliku digest.c

#include "ekg2.h"
#include "jabber.h"
#include <stdio.h>
#include <string.h>

Wykres zależności załączania dla digest.c:

Struktury danych
struct	EKG2_SHA1_CTX

Definicje
#define	LITTLE_ENDIAN
#define	SHA1HANDSOFF
#define	SHA1Init(ctx)   Init(ctx, 1)
#define	SHA1Transform(state, buffer)   Transform(state, buffer, 1)
#define	SHA1Update(ctx, data, len)   Update(ctx, (unsigned char *) data, len, 1)
#define	SHA1Final(digest, ctx)   Final(digest, ctx, 1)
#define	MD5Init(ctx)   Init(ctx, 0)
#define	MD5Transform(state, buffer)   Transform(state, buffer, 0)
#define	MD5Update(ctx, data, len)   Update(ctx, (unsigned char *) data, len, 0)
#define	MD5Final(digest, ctx)   Final(digest, ctx, 0)
#define	rol(value, bits)   (((value) << (bits)) | ((value) >> (32 - (bits))))
#define	blk0(i)
#define	blk(i)
#define	R0(v, w, x, y, z, i)   z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define	R1(v, w, x, y, z, i)   z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define	R2(v, w, x, y, z, i)   z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
#define	R3(v, w, x, y, z, i)   z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
#define	R4(v, w, x, y, z, i)   z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
#define	F(x, y, z)   (((x) & (y)) | ((~x) & (z)))
#define	G(x, y, z)   (((x) & (z)) | ((y) & (~z)))
#define	H(x, y, z)   ((x) ^ (y) ^ (z))
#define	I(x, y, z)   ((y) ^ ((x) | (~z)))
#define	FF(a, b, c, d, x, s, ac)   { (a) += F ((b), (c), (d)) + (x) + (guint32)(ac); (a) = rol((a), (s)); (a) += (b); }
#define	GG(a, b, c, d, x, s, ac)   { (a) += G ((b), (c), (d)) + (x) + (guint32)(ac); (a) = rol((a), (s)); (a) += (b); }
#define	HH(a, b, c, d, x, s, ac)   { (a) += H ((b), (c), (d)) + (x) + (guint32)(ac); (a) = rol((a), (s)); (a) += (b); }
#define	II(a, b, c, d, x, s, ac)   { (a) += I ((b), (c), (d)) + (x) + (guint32)(ac); (a) = rol((a), (s)); (a) += (b); }
#define	S11   7
#define	S12   12
#define	S13   17
#define	S14   22
#define	S21   5
#define	S22   9
#define	S23   14
#define	S24   20
#define	S31   4
#define	S32   11
#define	S33   16
#define	S34   23
#define	S41   6
#define	S42   10
#define	S43   15
#define	S44   21

Definicje typów
typedef struct EKG2_SHA1_CTX	EKG2_MD5_CTX

Funkcje
static void	Init (EKG2_SHA1_CTX *context, int usesha)
static void	Transform (guint32 state[5], unsigned char buffer[64], int usesha)
static void	Update (EKG2_SHA1_CTX *context, unsigned char *data, unsigned int len, int usesha)
static void	Final (unsigned char digest[20], EKG2_SHA1_CTX *context, int usesha)
static void	Encode (unsigned char *output, guint32 *input, unsigned int len, int usesha)
static char *	base16_encode (const unsigned char *data)
char *	jabber_challenge_digest (const char *sid, const char *password, const char *nonce, const char *cnonce, const char *xmpp_temp, const char *realm)
char *	jabber_dcc_digest (char *sid, char *initiator, char *target)
char *	jabber_digest (const char *sid, const char *password, int istlen)
char *	jabber_sha1_generic (char *buf, int len)

Zmienne
char *	config_console_charset

Dokumentacja definicji

blk

#define blk

(

i

)

Wartość:

(block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
    ^block->l[(i+2)&15]^block->l[i&15],1))

blk0

#define blk0

(

i

)

Wartość:

(block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
    |(rol(block->l[i],8)&0x00FF00FF))

F

#define F	(		x,
			y,
			z
	)		(((x) & (y)) | ((~x) & (z)))

FF

#define FF	(		a,
			b,
			c,
			d,
			x,
			s,
			ac
	)		{ (a) += F ((b), (c), (d)) + (x) + (guint32)(ac); (a) = rol((a), (s)); (a) += (b); }

G

#define G	(		x,
			y,
			z
	)		(((x) & (z)) | ((y) & (~z)))

GG

#define GG	(		a,
			b,
			c,
			d,
			x,
			s,
			ac
	)		{ (a) += G ((b), (c), (d)) + (x) + (guint32)(ac); (a) = rol((a), (s)); (a) += (b); }

H

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

HH

#define HH	(		a,
			b,
			c,
			d,
			x,
			s,
			ac
	)		{ (a) += H ((b), (c), (d)) + (x) + (guint32)(ac); (a) = rol((a), (s)); (a) += (b); }

I

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

II

#define II	(		a,
			b,
			c,
			d,
			x,
			s,
			ac
	)		{ (a) += I ((b), (c), (d)) + (x) + (guint32)(ac); (a) = rol((a), (s)); (a) += (b); }

LITTLE_ENDIAN

#define LITTLE_ENDIAN

MD5Final

#define MD5Final	(		digest,
			ctx
	)		Final(digest, ctx, 0)

MD5Init

#define MD5Init

(

ctx

)

Init(ctx, 0)

MD5Transform

#define MD5Transform	(		state,
			buffer
	)		Transform(state, buffer, 0)

MD5Update

#define MD5Update	(		ctx,
			data,
			len
	)		Update(ctx, (unsigned char *) data, len, 0)

R0

#define R0	(		v,
			w,
			x,
			y,
			z,
			i
	)		z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);

R1

#define R1	(		v,
			w,
			x,
			y,
			z,
			i
	)		z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);

R2

#define R2	(		v,
			w,
			x,
			y,
			z,
			i
	)		z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);

R3

#define R3	(		v,
			w,
			x,
			y,
			z,
			i
	)		z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);

R4

#define R4	(		v,
			w,
			x,
			y,
			z,
			i
	)		z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);

rol

#define rol	(		value,
			bits
	)		(((value) << (bits)) | ((value) >> (32 - (bits))))

S11

#define S11   7

S12

#define S12   12

S13

#define S13   17

S14

#define S14   22

S21

#define S21   5

S22

#define S22   9

S23

#define S23   14

S24

#define S24   20

S31

#define S31   4

S32

#define S32   11

S33

#define S33   16

S34

#define S34   23

S41

#define S41   6

S42

#define S42   10

S43

#define S43   15

S44

#define S44   21

SHA1Final

#define SHA1Final	(		digest,
			ctx
	)		Final(digest, ctx, 1)

SHA1HANDSOFF

#define SHA1HANDSOFF

SHA1Init

#define SHA1Init

(

ctx

)

Init(ctx, 1)

SHA1Transform

#define SHA1Transform	(		state,
			buffer
	)		Transform(state, buffer, 1)

SHA1Update

#define SHA1Update	(		ctx,
			data,
			len
	)		Update(ctx, (unsigned char *) data, len, 1)

Dokumentacja definicji typów

EKG2_MD5_CTX

typedef struct EKG2_SHA1_CTX EKG2_MD5_CTX

Dokumentacja funkcji

base16_encode()

static char* base16_encode ( const unsigned char *  data )

static

base16_encode()

Return base16 hash of data

Zwraca

static with 32 digit BASE16 HASH + NUL char.

Encode()

static void Encode ( unsigned char *  output, guint32 *  input, unsigned int  len, int  usesha  )

static

Final()

static void Final ( unsigned char  digest[20], EKG2_SHA1_CTX *  context, int  usesha  )

static

Init()

static void Init ( EKG2_SHA1_CTX *  context, int  usesha  )

static

jabber_challenge_digest()

char* jabber_challenge_digest	(	const char *	sid,
		const char *	password,
		const char *	nonce,
		const char *	cnonce,
		const char *	xmpp_temp,
		const char *	realm
	)

jabber_challenge_digest()

Return base16 encoded hash for SASL MD5 CHALLENGE

Do zrobienia:

MD5Update() on NULL params will fail. XXX, no idea what to do.

Zwraca

static buffer with 32 digit BASE16 HASH + NUL char

jabber_dcc_digest()

char* jabber_dcc_digest	(	char *	sid,
		char *	initiator,
		char *	target
	)

[XXX] SOME TIME AGO, I had idea to connect jabber_dcc_digest() and jabber_digest() with one function, and use va_list for it... i don't know. jabber_dcc_digest()

Return SHA1 hash for SOCKS5 Bytestreams connections [DCC]
Make SHA1Update()'s on (uid, initiator and target)

Do zrobienia:

SHA1Update() on NULL params will fail. XXX, no idea what to do.

Do zrobienia:

We don't reencode params here to utf-8.

Zwraca

static buffer, with 40 digit SHA1 hash + NUL char

jabber_digest()

char* jabber_digest	(	const char *	sid,
		const char *	password,
		int	istlen
	)

jabber_digest()

Return SHA1 hash for jabber:iq:auth
Make SHA1Update()'s on recoded to utf-8 (sid and password)

Do zrobienia:

SHA1Update() on NULL params will fail. XXX, no idea what to do.

Zwraca

static buffer, with 40 digit SHA1 hash + NUL char

jabber_sha1_generic()

char* jabber_sha1_generic	(	char *	buf,
		int	len
	)

Transform()

static void Transform ( guint32  state[5], unsigned char  buffer[64], int  usesha  )

static

Update()

static void Update ( EKG2_SHA1_CTX *  context, unsigned char *  data, unsigned int  len, int  usesha  )

static

Dokumentacja zmiennych

config_console_charset

char* config_console_charset