square.cpp File Reference

#include "pch.h"
#include "config.h"
#include "square.h"
#include "misc.h"
#include "gf256.h"

Include dependency graph for square.cpp:

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Macros
#define	roundkeys(i, j)   m_roundkeys[(i)*4+(j)]
#define	roundkeys4(i)   (m_roundkeys+(i)*4)
#define	MSB(x)   (((x) >> 24) & 0xffU) /* most significant byte */
#define	SSB(x)   (((x) >> 16) & 0xffU) /* second in significance */
#define	TSB(x)   (((x) >> 8) & 0xffU) /* third in significance */
#define	LSB(x)   (((x) ) & 0xffU) /* least significant byte */
#define	squareRound(text, temp, T0, T1, T2, T3, roundkey)
#define	squareFinal(text, temp, S, roundkey)

Typedefs
typedef BlockGetAndPut< word32, BigEndian >	Block

Macro Definition Documentation

#define LSB

(

x

)

(((x) ) & 0xffU) /* least significant byte */

Definition at line 85 of file square.cpp.

#define MSB

(

x

)

(((x) >> 24) & 0xffU) /* most significant byte */

Definition at line 82 of file square.cpp.

#define roundkeys	(		i,
			j
	)		m_roundkeys[(i)*4+(j)]

Definition at line 44 of file square.cpp.

#define roundkeys4

(

i

)

(m_roundkeys+(i)*4)

Definition at line 45 of file square.cpp.

#define squareFinal	(		text,
			temp,
			S,
			roundkey
	)

Value:

{ \
        text[0] = ((word32) (S[MSB (temp[0])]) << 24) \
                        ^ ((word32) (S[MSB (temp[1])]) << 16) \
                        ^ ((word32) (S[MSB (temp[2])]) <<  8) \
                        ^  (word32) (S[MSB (temp[3])]) \
                        ^ roundkey[0]; \
        text[1] = ((word32) (S[SSB (temp[0])]) << 24) \
                        ^ ((word32) (S[SSB (temp[1])]) << 16) \
                        ^ ((word32) (S[SSB (temp[2])]) <<  8) \
                        ^  (word32) (S[SSB (temp[3])]) \
                        ^ roundkey[1]; \
        text[2] = ((word32) (S[TSB (temp[0])]) << 24) \
                        ^ ((word32) (S[TSB (temp[1])]) << 16) \
                        ^ ((word32) (S[TSB (temp[2])]) <<  8) \
                        ^  (word32) (S[TSB (temp[3])]) \
                        ^ roundkey[2]; \
        text[3] = ((word32) (S[LSB (temp[0])]) << 24) \
                        ^ ((word32) (S[LSB (temp[1])]) << 16) \
                        ^ ((word32) (S[LSB (temp[2])]) <<  8) \
                        ^  (word32) (S[LSB (temp[3])]) \
                        ^ roundkey[3]; \
} /* squareFinal */

Definition at line 111 of file square.cpp.

#define squareRound	(		text,
			temp,
			T0,
			T1,
			T2,
			T3,
			roundkey
	)

Value:

{ \
        temp[0] = T0[MSB (text[0])] \
                        ^ T1[MSB (text[1])] \
                        ^ T2[MSB (text[2])] \
                        ^ T3[MSB (text[3])] \
                        ^ roundkey[0]; \
        temp[1] = T0[SSB (text[0])] \
                        ^ T1[SSB (text[1])] \
                        ^ T2[SSB (text[2])] \
                        ^ T3[SSB (text[3])] \
                        ^ roundkey[1]; \
        temp[2] = T0[TSB (text[0])] \
                        ^ T1[TSB (text[1])] \
                        ^ T2[TSB (text[2])] \
                        ^ T3[TSB (text[3])] \
                        ^ roundkey[2]; \
        temp[3] = T0[LSB (text[0])] \
                        ^ T1[LSB (text[1])] \
                        ^ T2[LSB (text[2])] \
                        ^ T3[LSB (text[3])] \
                        ^ roundkey[3]; \
} /* squareRound */

Definition at line 87 of file square.cpp.

#define SSB

(

x

)

(((x) >> 16) & 0xffU) /* second in significance */

Definition at line 83 of file square.cpp.

#define TSB

(

x

)

(((x) >> 8) & 0xffU) /* third in significance */

Definition at line 84 of file square.cpp.

Typedef Documentation

typedef BlockGetAndPut<word32, BigEndian> Block

Definition at line 135 of file square.cpp.