packer/provisioner/powershell/powershell.go

package powershell

import (
	"encoding/base64"
)

func powershellEncode(buffer []byte) string {
	// 2 byte chars to make PowerShell happy
	wideCmd := ""
	for _, b := range buffer {
		wideCmd += string(b) + "\x00"
	}

	// Base64 encode the command
	input := []uint8(wideCmd)
	return base64.StdEncoding.EncodeToString(input)
}