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