28 lines
494 B
Go
28 lines
494 B
Go
|
// +build ignore
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
import "fmt"
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
//Round constants
|
||
|
|
var RC [24]uint64
|
||
|
|
rc := uint8(1)
|
||
|
|
for i := 0; i < 24; i++ {
|
||
|
|
for j := 0; j <= 6; j++ {
|
||
|
|
RC[i] |= uint64(rc&1) << (1<<uint(j) - 1)
|
||
|
|
rc = rc<<1 ^ 0x71&uint8(int8(rc)>>7)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
fmt.Println("package keccak")
|
||
|
|
fmt.Printf("var RC = %#016v\n", RC)
|
||
|
|
|
||
|
|
var rot [5][5]uint
|
||
|
|
x, y := 1, 0
|
||
|
|
for i := 0; i < 24; i++ {
|
||
|
|
rot[x][y] = uint((i+1)*(i+2)/2)%64
|
||
|
|
x, y = y, (2*x+3*y)%5
|
||
|
|
}
|
||
|
|
fmt.Printf("var rotc = %#v\n", rot)
|
||
|
|
}
|