koonix

Creating Self-Signed ED25519 CA and Certificates

Important

the Common Name (CN) of the servers should be different from that of the CA. Otherwise, things won't work on servers that use OpenSSL.

CA

koonix

// Package aria2ctrlfile implements [aria2]'s [control file format] (version 1).
// See https://github.com/aria2/aria2/blob/release-1.37.0/src/DefaultBtProgressInfoFile.cc
// for implementation details.
//
// [aria2]: https://github.com/aria2/aria2
// [control file format]: https://aria2.github.io/manual/en/html/technical-notes.html#control-file-aria2-format
package aria2ctrlfile

import (
	"encoding/binary"

koonix

import "math/bits"

func mulDiv(a, b, c int64) int64 {
	hi, lo := bits.Mul64(uint64(a), uint64(b))
	quo, _ := bits.Div64(hi, lo, uint64(c))
	return int64(quo)
}

koonix

package ringbuf

type RingBuf[T any] struct {
	Buf  []T
	head int
	tail int
}

func New[T any](size int) *RingBuf[T] {
	return &RingBuf[T]{

koonix

#!/bin/bash
set -eu -o pipefail

# Script that returns a list of DNS-over-HTTPS servers that are accessible directly via IP address.
# https://dnscrypt.info/public-servers
# https://dnscrypt.info/stamps-specifications

main()
{
	VERBOSE=false

koonix

func subsets[T any](v []T) [][]T {
	switch len(v) {
	case 0:
		return [][]T{
			{},
		}
	case 1:
		return [][]T{
			{v[0]},
			{},

koonix

func permute[T any](v []T) [][]T {
	switch len(v) {
	case 0:
		return [][]T{
			{},
		}
	case 1:
		return [][]T{
			{v[0]},
		}

koonix

import "sync"

type Nuclear[T any] struct {
	mu sync.RWMutex
	v  T
}

func NewNuclear[T any](v T) *Nuclear[T] {
	return &Nuclear{
		v: v,

koonix

package once

import "sync"

type Once[T any] struct {
	sync.Mutex
	has bool
	v   T
}

koonix

package withcloser

import "io"

type reader struct {
	io.Reader
	close func() error
}

func (r reader) Close() error {