Read data (1024) bytes at a time

chunky.go

data := "xxx[...]xxx"

var chunk []byte
for i := 0; i < len(data); i += 1024 {
	if i+1024 > len(data) {
		// Remaining data <= 1024.
		chunk = data[len(data)-(len(data)%1024):]
	} else {
		// Split into chunks of 1024 bytes and pad.
		chunk = data[i:i+1024]
	}
  
  	// Handle chunk.
}