Keccak.c File Reference

Go to the source code of this file.

Macros
#define	nrRounds   24
#define	GET_KRC_VAL(index)   (KeccakRoundConstants[index])
#define	nrLanes   25
#define	index(x, y)   (((x)%5)+5*((y)%5))
#define	ROL64(a, offset)   ((offset != 0) ? ((((UINT64)a) << offset) ^ (((UINT64)a) >> (64-offset))) : a)

Typedefs
typedef unsigned char	UINT8
typedef unsigned long long int	UINT64

Functions
void	theta (UINT64 *A)
void	rho (UINT64 *A)
void	pi (UINT64 *A)
void	chi (UINT64 *A)
void	iota (UINT64 *A, unsigned int indexRound)
void	kekka_coproc (UINT64 A[25])

Variables
static UINT64	KeccakRoundConstants [nrRounds]
static unsigned char	KeccakRhoOffsets [nrLanes]

Macro Definition Documentation

GET_KRC_VAL

#define GET_KRC_VAL

(

index

)

(KeccakRoundConstants[index])

Definition at line 16 of file Keccak.c.

Referenced by iota().

index

#define index	(		x,
			y
	)		(((x)%5)+5*((y)%5))

Definition at line 74 of file Keccak.c.

Referenced by chi(), iota(), pi(), rho(), and theta().

nrLanes

#define nrLanes   25

Definition at line 45 of file Keccak.c.

nrRounds

#define nrRounds   24

Definition at line 14 of file Keccak.c.

Referenced by kekka_coproc().

ROL64

#define ROL64	(		a,
			offset
	)		((offset != 0) ? ((((UINT64)a) << offset) ^ (((UINT64)a) >> (64-offset))) : a)

Definition at line 75 of file Keccak.c.

Referenced by rho(), and theta().

Typedef Documentation

UINT64

typedef unsigned long long int UINT64

Definition at line 13 of file Keccak.c.

UINT8

typedef unsigned char UINT8

Definition at line 12 of file Keccak.c.

Function Documentation

chi()

void chi

(

UINT64 *

A

)

Definition at line 113 of file Keccak.c.

References C, index, and x.

iota()

void iota	(	UINT64 *	A,
		unsigned int	indexRound
	)

Definition at line 126 of file Keccak.c.

References GET_KRC_VAL, and index.

kekka_coproc()

void kekka_coproc

(

UINT64

A[25]

)

Definition at line 132 of file Keccak.c.

References chi(), iota(), nrRounds, pi(), rho(), and theta().

Here is the call graph for this function:

pi()

void pi

(

UINT64 *

A

)

Definition at line 102 of file Keccak.c.

References index, and x.

rho()

void rho

(

UINT64 *

A

)

Definition at line 94 of file Keccak.c.

References index, KeccakRhoOffsets, ROL64, and x.

theta()

void theta

(

UINT64 *

A

)

Definition at line 77 of file Keccak.c.

References C, D, index, ROL64, and x.

Variable Documentation

KeccakRhoOffsets

unsigned char KeccakRhoOffsets[nrLanes]

static

Initial value:

= {
    0,
    1,
    62,
    28,
    27,
    36,
    44,
    6,
    55,
    20,
    3,
    10,
    43,
    25,
    39,
    41,
    45,
    15,
    21,
    8,
    18,
    2,
    61,
    56,
    14
}

Definition at line 46 of file Keccak.c.

Referenced by rho().

KeccakRoundConstants

UINT64 KeccakRoundConstants[nrRounds]

static

Initial value:

= {
    0x0000000000000001ULL,
    0x0000000000008082ULL,
    0x800000000000808aULL,
    0x8000000080008000ULL,
    0x000000000000808bULL,
    0x0000000080000001ULL,
    0x8000000080008081ULL,
    0x8000000000008009ULL,
    0x000000000000008aULL,
    0x0000000000000088ULL,
    0x0000000080008009ULL,
    0x000000008000000aULL,
    0x000000008000808bULL,
    0x800000000000008bULL,
    0x8000000000008089ULL,
    0x8000000000008003ULL,
    0x8000000000008002ULL,
    0x8000000000000080ULL,
    0x000000000000800aULL,
    0x800000008000000aULL,
    0x8000000080008081ULL,
    0x8000000000008080ULL,
    0x0000000080000001ULL,
    0x8000000080008008ULL
}

Definition at line 18 of file Keccak.c.