40 lines
790 B
Go
40 lines
790 B
Go
// hash_sha3x.go
|
|
package sha3x
|
|
|
|
/*
|
|
#cgo CFLAGS : -I../include
|
|
#cgo LDFLAGS: -L../lib -lsha3x
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "sha3xapi.h"
|
|
*/
|
|
import "C"
|
|
import (
|
|
//"encoding/hex"
|
|
//"log"
|
|
"unsafe"
|
|
)
|
|
|
|
func BuildPowHash(h Sha3xBlockHeader) []byte {
|
|
outputs := make([]byte, 32)
|
|
inb := Sha3xBlockHeaderToBytes(h)
|
|
//log.Println("[sha3x]in", hex.EncodeToString(inb))
|
|
in := (*C.uchar)(C.CBytes(inb))
|
|
output := (*C.uchar)(C.malloc(32))
|
|
C.sha3x_hash(output, in)
|
|
p := uintptr(unsafe.Pointer(output))
|
|
for i := 0; i < 32; i++ {
|
|
j := *(*byte)(unsafe.Pointer(p))
|
|
outputs[i] = j
|
|
p += unsafe.Sizeof(j)
|
|
}
|
|
C.free(unsafe.Pointer(output))
|
|
C.free(unsafe.Pointer(in))
|
|
outputs32 := make([]byte, 32)
|
|
for i := 0; i < 32; i++ {
|
|
outputs32[i] = outputs[i]
|
|
}
|
|
return outputs32
|
|
}
|