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shabal.go
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shabal.go
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package shabal
import (
"encoding/binary"
// "unsafe"
// "bytes"
// "reflect"
// "strconv"
// "fmt"
)
var A_init_512 = [...]uint32{
(0x20728DFD), (0x46C0BD53), (0xE782B699), (0x55304632),
(0x71B4EF90), (0x0EA9E82C), (0xDBB930F1), (0xFAD06B8B),
(0xBE0CAE40), (0x8BD14410), (0x76D2ADAC), (0x28ACAB7F),
}
var B_init_512 = [...]uint32{
(0xC1099CB7), (0x07B385F3), (0xE7442C26), (0xCC8AD640),
(0xEB6F56C7), (0x1EA81AA9), (0x73B9D314), (0x1DE85D08),
(0x48910A5A), (0x893B22DB), (0xC5A0DF44), (0xBBC4324E),
(0x72D2F240), (0x75941D99), (0x6D8BDE82), (0xA1A7502B),
}
var C_init_512 = [...]uint32{
(0xD9BF68D1), (0x58BAD750), (0x56028CB2), (0x8134F359),
(0xB5D469D8), (0x941A8CC2), (0x418B2A6E), (0x04052780),
(0x7F07D787), (0x5194358F), (0x3C60D665), (0xBE97D79A),
(0x950C3434), (0xAED9A06D), (0x2537DC8D), (0x7CDB5969),
}
var buf []uint8
var C, M, A, B []uint32
var Whigh, Wlow uint32
var ptr int
func PERM_ELT(xa0, xa1, xb0, xb1, xb2, xb3, xc, xm *uint32) {
*xa0 = (((*xa0) ^ ((((*xa1) << 15) | ((*xa1) >> 17)) * 5) ^ (*xc)) * 3) ^ (*xb1) ^ ((*xb2) & (^(*xb3))) ^ (*xm)
*xb0 = (^((((*xb0) << 1) | ((*xb0) >> 31)) ^ (*xa0)))
}
func shabal_cal_DECODE() {
for i := 0; i < 16; i++ {
M[i] = binary.LittleEndian.Uint32(buf[i*4:])
B[i] = (B[i] + M[i])
}
}
func shabal_cal_APPLY_P() {
for i := 0; i < 16; i++ {
B[i] = (B[i] << 17) | (B[i] >> 15)
}
PERM_ELT(&A[0], &A[11], &B[0], &B[13], &B[9], &B[6], &C[8], &M[0])
PERM_ELT(&A[1], &A[0], &B[1], &B[14], &B[10], &B[7], &C[7], &M[1])
PERM_ELT(&A[2], &A[1], &B[2], &B[15], &B[11], &B[8], &C[6], &M[2])
PERM_ELT(&A[3], &A[2], &B[3], &B[0], &B[12], &B[9], &C[5], &M[3])
PERM_ELT(&A[4], &A[3], &B[4], &B[1], &B[13], &B[10], &C[4], &M[4])
PERM_ELT(&A[5], &A[4], &B[5], &B[2], &B[14], &B[11], &C[3], &M[5])
PERM_ELT(&A[6], &A[5], &B[6], &B[3], &B[15], &B[12], &C[2], &M[6])
PERM_ELT(&A[7], &A[6], &B[7], &B[4], &B[0], &B[13], &C[1], &M[7])
PERM_ELT(&A[8], &A[7], &B[8], &B[5], &B[1], &B[14], &C[0], &M[8])
PERM_ELT(&A[9], &A[8], &B[9], &B[6], &B[2], &B[15], &C[15], &M[9])
PERM_ELT(&A[10], &A[9], &B[10], &B[7], &B[3], &B[0], &C[14], &M[10])
PERM_ELT(&A[11], &A[10], &B[11], &B[8], &B[4], &B[1], &C[13], &M[11])
PERM_ELT(&A[0], &A[11], &B[12], &B[9], &B[5], &B[2], &C[12], &M[12])
PERM_ELT(&A[1], &A[0], &B[13], &B[10], &B[6], &B[3], &C[11], &M[13])
PERM_ELT(&A[2], &A[1], &B[14], &B[11], &B[7], &B[4], &C[10], &M[14])
PERM_ELT(&A[3], &A[2], &B[15], &B[12], &B[8], &B[5], &C[9], &M[15])
PERM_ELT(&A[4], &A[3], &B[0], &B[13], &B[9], &B[6], &C[8], &M[0])
PERM_ELT(&A[5], &A[4], &B[1], &B[14], &B[10], &B[7], &C[7], &M[1])
PERM_ELT(&A[6], &A[5], &B[2], &B[15], &B[11], &B[8], &C[6], &M[2])
PERM_ELT(&A[7], &A[6], &B[3], &B[0], &B[12], &B[9], &C[5], &M[3])
PERM_ELT(&A[8], &A[7], &B[4], &B[1], &B[13], &B[10], &C[4], &M[4])
PERM_ELT(&A[9], &A[8], &B[5], &B[2], &B[14], &B[11], &C[3], &M[5])
PERM_ELT(&A[10], &A[9], &B[6], &B[3], &B[15], &B[12], &C[2], &M[6])
PERM_ELT(&A[11], &A[10], &B[7], &B[4], &B[0], &B[13], &C[1], &M[7])
PERM_ELT(&A[0], &A[11], &B[8], &B[5], &B[1], &B[14], &C[0], &M[8])
PERM_ELT(&A[1], &A[0], &B[9], &B[6], &B[2], &B[15], &C[15], &M[9])
PERM_ELT(&A[2], &A[1], &B[10], &B[7], &B[3], &B[0], &C[14], &M[10])
PERM_ELT(&A[3], &A[2], &B[11], &B[8], &B[4], &B[1], &C[13], &M[11])
PERM_ELT(&A[4], &A[3], &B[12], &B[9], &B[5], &B[2], &C[12], &M[12])
PERM_ELT(&A[5], &A[4], &B[13], &B[10], &B[6], &B[3], &C[11], &M[13])
PERM_ELT(&A[6], &A[5], &B[14], &B[11], &B[7], &B[4], &C[10], &M[14])
PERM_ELT(&A[7], &A[6], &B[15], &B[12], &B[8], &B[5], &C[9], &M[15])
PERM_ELT(&A[8], &A[7], &B[0], &B[13], &B[9], &B[6], &C[8], &M[0])
PERM_ELT(&A[9], &A[8], &B[1], &B[14], &B[10], &B[7], &C[7], &M[1])
PERM_ELT(&A[10], &A[9], &B[2], &B[15], &B[11], &B[8], &C[6], &M[2])
PERM_ELT(&A[11], &A[10], &B[3], &B[0], &B[12], &B[9], &C[5], &M[3])
PERM_ELT(&A[0], &A[11], &B[4], &B[1], &B[13], &B[10], &C[4], &M[4])
PERM_ELT(&A[1], &A[0], &B[5], &B[2], &B[14], &B[11], &C[3], &M[5])
PERM_ELT(&A[2], &A[1], &B[6], &B[3], &B[15], &B[12], &C[2], &M[6])
PERM_ELT(&A[3], &A[2], &B[7], &B[4], &B[0], &B[13], &C[1], &M[7])
PERM_ELT(&A[4], &A[3], &B[8], &B[5], &B[1], &B[14], &C[0], &M[8])
PERM_ELT(&A[5], &A[4], &B[9], &B[6], &B[2], &B[15], &C[15], &M[9])
PERM_ELT(&A[6], &A[5], &B[10], &B[7], &B[3], &B[0], &C[14], &M[10])
PERM_ELT(&A[7], &A[6], &B[11], &B[8], &B[4], &B[1], &C[13], &M[11])
PERM_ELT(&A[8], &A[7], &B[12], &B[9], &B[5], &B[2], &C[12], &M[12])
PERM_ELT(&A[9], &A[8], &B[13], &B[10], &B[6], &B[3], &C[11], &M[13])
PERM_ELT(&A[10], &A[9], &B[14], &B[11], &B[7], &B[4], &C[10], &M[14])
PERM_ELT(&A[11], &A[10], &B[15], &B[12], &B[8], &B[5], &C[9], &M[15])
A[11] = (A[11] + C[6])
A[10] = (A[10] + C[5])
A[9] = (A[9] + C[4])
A[8] = (A[8] + C[3])
A[7] = (A[7] + C[2])
A[6] = (A[6] + C[1])
A[5] = (A[5] + C[0])
A[4] = (A[4] + C[15])
A[3] = (A[3] + C[14])
A[2] = (A[2] + C[13])
A[1] = (A[1] + C[12])
A[0] = (A[0] + C[11])
A[11] = (A[11] + C[10])
A[10] = (A[10] + C[9])
A[9] = (A[9] + C[8])
A[8] = (A[8] + C[7])
A[7] = (A[7] + C[6])
A[6] = (A[6] + C[5])
A[5] = (A[5] + C[4])
A[4] = (A[4] + C[3])
A[3] = (A[3] + C[2])
A[2] = (A[2] + C[1])
A[1] = (A[1] + C[0])
A[0] = (A[0] + C[15])
A[11] = (A[11] + C[14])
A[10] = (A[10] + C[13])
A[9] = (A[9] + C[12])
A[8] = (A[8] + C[11])
A[7] = (A[7] + C[10])
A[6] = (A[6] + C[9])
A[5] = (A[5] + C[8])
A[4] = (A[4] + C[7])
A[3] = (A[3] + C[6])
A[2] = (A[2] + C[5])
A[1] = (A[1] + C[4])
A[0] = (A[0] + C[3])
}
func shabal_cal_SUB() {
for i := 0; i < 16; i++ {
C[i] = (C[i] - M[i])
}
}
func shabal_cal_SWAP() {
for i := 0; i < 16; i++ {
A := B[i]
B[i] = C[i]
C[i] = A
}
}
func Shabal_512_process(data []uint8, dst []uint8, length int) {
buf = make([]uint8, 64)
C = make([]uint32, 16)
M = make([]uint32, 16)
A = make([]uint32, 12)
B = make([]uint32, 16)
copy(A, A_init_512[:])
copy(B, B_init_512[:])
copy(C, C_init_512[:])
Wlow = 1
Whigh = 0
ptr = 0
//var clen int;
for length > 0 {
clen := 64 - ptr
if clen > length {
clen = length
}
//memcpy(buf + ptr, data, clen);
for i := 0; i < clen; i++ {
buf[ptr+i] = data[i]
}
ptr += clen
//data = (uint8 *)data + clen;
data = data[clen:]
length -= clen
if ptr == 64 {
shabal_cal_DECODE()
A[0] ^= Wlow
A[1] ^= Whigh
shabal_cal_APPLY_P()
shabal_cal_SUB()
shabal_cal_SWAP()
Wlow = (Wlow + 1)
ptr = 0
}
}
buf[ptr] = 0x80
for i := 0; i < 64-(ptr+1); i++ {
buf[ptr+1+i] = 0
}
//memset(buf + ptr + 1, 0, 64 - (ptr + 1));
shabal_cal_DECODE()
A[0] ^= Wlow
A[1] ^= Whigh
shabal_cal_APPLY_P()
for i := 0; i < 3; i++ {
shabal_cal_SWAP()
A[0] ^= Wlow
A[1] ^= Whigh
shabal_cal_APPLY_P()
}
for i := 0; i < 16; i++ {
binary.LittleEndian.PutUint32(dst[i*4:i*4+4], B[i])
}
}