// zero out memory and then free
func (self *Buffer) Free() {
C.sodium_memzero(self.ptr, self.size)
C.free(self.ptr)
}
func MemZero(b1 []byte) {
if len(b1) > 0 {
C.sodium_memzero(unsafe.Pointer(&b1[0]), C.size_t(len(b1)))
}
}
// does not check for negatives
func malloc(size C.size_t) *Buffer {
ptr := C.malloc(size)
C.sodium_memzero(ptr, size)
buffer := &Buffer{ptr: ptr, size: size, length: C.int(size)}
return buffer
}