Referencia del Archivo src/libdigidoc/openssl/crypto/camellia/cmll_locl.h

#include "openssl/e_os2.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Ir al código fuente de este archivo.

'defines'
#define	GETU32(pt)
#define	PUTU32(ct, st)
#define	CAMELLIA_SWAP4(x)
#define	COPY4WORD(dst, src)
#define	SWAP4WORD(word)
#define	XOR4WORD(a, b)
#define	XOR4WORD2(a, b, c)
'typedefs'
typedef unsigned char	u8
typedef unsigned int	u32
Funciones
void	camellia_setup128 (const u8 *key, u32 *subkey)
void	camellia_setup192 (const u8 *key, u32 *subkey)
void	camellia_setup256 (const u8 *key, u32 *subkey)
void	camellia_encrypt128 (const u32 *subkey, u32 *io)
void	camellia_decrypt128 (const u32 *subkey, u32 *io)
void	camellia_encrypt256 (const u32 *subkey, u32 *io)
void	camellia_decrypt256 (const u32 *subkey, u32 *io)

---

Documentación de los 'defines'

#define CAMELLIA_SWAP4

(

x

)

Valor:

do{\
     x = ((u32)x << 16) + ((u32)x >> 16);\
     x = (((u32)x & 0xff00ff) << 8) + (((u32)x >> 8) & 0xff00ff);\
   } while(0)

#define COPY4WORD	(		dst,
			src
	)

Valor:

do                       \
                     {           \
                     (dst)[0]=(src)[0];         \
                     (dst)[1]=(src)[1];         \
                     (dst)[2]=(src)[2];         \
                     (dst)[3]=(src)[3];         \
                     }while(0)

#define GETU32

(

pt

)

Valor:

(((u32)(pt)[0] << 24) \
        ^ ((u32)(pt)[1] << 16) \
        ^ ((u32)(pt)[2] <<  8) \
        ^ ((u32)(pt)[3]))

#define PUTU32	(		ct,
			st
	)

Valor:

{ (ct)[0] = (u8)((st) >> 24); \
        (ct)[1] = (u8)((st) >> 16); \
        (ct)[2] = (u8)((st) >>  8); \
        (ct)[3] = (u8)(st); }

#define SWAP4WORD

(

word

)

Valor:

do                                              \
           {                                    \
           CAMELLIA_SWAP4((word)[0]);                   \
           CAMELLIA_SWAP4((word)[1]);                   \
           CAMELLIA_SWAP4((word)[2]);                   \
           CAMELLIA_SWAP4((word)[3]);                   \
           }while(0)

#define XOR4WORD	(		a,
			b
	)

Valor:

/* a = a ^ b */         \
   do                                           \
        {                                       \
        (a)[0]^=(b)[0];                         \
        (a)[1]^=(b)[1];                         \
        (a)[2]^=(b)[2];                         \
        (a)[3]^=(b)[3];                         \
        }while(0)

#define XOR4WORD2	(		a,
			b,
			c
	)

Valor:

/* a = b ^ c */ \
   do                                           \
        {                                       \
        (a)[0]=(b)[0]^(c)[0];                   \
        (a)[1]=(b)[1]^(c)[1];                           \
        (a)[2]=(b)[2]^(c)[2];                           \
        (a)[3]=(b)[3]^(c)[3];                           \
        }while(0)

---

Documentación de los 'typedefs'

typedef unsigned int u32

typedef unsigned char u8

---

Documentación de las funciones

void camellia_decrypt128	(	const u32 *	subkey,
		u32 *	io
	)

void camellia_decrypt256	(	const u32 *	subkey,
		u32 *	io
	)

void camellia_encrypt128	(	const u32 *	subkey,
		u32 *	io
	)

Stuff related to camellia encryption/decryption

void camellia_encrypt256	(	const u32 *	subkey,
		u32 *	io
	)

stuff for 192 and 256bit encryption/decryption

void camellia_setup128	(	const u8 *	key,
		u32 *	subkey
	)

k == kll || klr || krl || krr (|| is concatination)

generate KL dependent subkeys

void camellia_setup192	(	const u8 *	key,
		u32 *	subkey
	)

void camellia_setup256	(	const u8 *	key,
		u32 *	subkey
	)

key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) (|| is concatination)