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examples
crypto_designs
multi-keccak
src
theta
theta.c
Go to the documentation of this file.
1
#include "Keccak.h"
2
3
void
theta
(
UINT64
*
A
)
4
{
5
unsigned
int
x
, y;
6
UINT64
C
[5],
D
[5];
7
8
for
(x=0; x<5; x++) {
9
C[
x
] = 0;
10
for
(y=0; y<5; y++)
11
C[x] ^= A[
index
(x, y)];
12
}
13
for
(x=0; x<5; x++)
14
D[x] =
ROL64
(C[(x+1)%5], 1) ^ C[(x+4)%5];
15
for
(x=0; x<5; x++)
16
for
(y=0; y<5; y++)
17
A[
index
(x, y)] ^= D[
x
];
18
}
19
theta
void theta(UINT64 *A)
Definition:
theta.c:3
C
#define C
Definition:
generate.c:15
ROL64
#define ROL64(a, offset)
Definition:
Keccak.c:75
A
#define A
Definition:
generate.c:13
index
#define index(x, y)
Definition:
Keccak.c:74
D
#define D
Definition:
generate.c:16
UINT64
unsigned long long int UINT64
Definition:
Keccak.c:13
x
x
Return the smallest n such that 2^n >= _x.
Definition:
math_function.hpp:170
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