// command-line flags, including those of the testing package, it should call
// flag.Parse explicitly. Command line flags are always parsed by the time test
// or benchmark functions run.
//
// A simple implementation of TestMain is:
//
//	func TestMain(m *testing.M) {
//		// call flag.Parse() here if TestMain uses flags
//		os.Exit(m.Run())
//	}
//

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// HTTP client implementation. See RFC 7230 through 7235.
//
// This is the low-level Transport implementation of RoundTripper.
// The high-level interface is in client.go.

package http

import (
	"bufio"
	"compress/gzip"
	"container/list"
	"context"
	"crypto/tls"
	"errors"

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build !purego

#include "textflag.h"

// This is a port of the s390x asm implementation.
// to ppc64le.

// Some changes were needed due to differences in
// the Go opcodes and/or available instructions
// between s390x and ppc64le.

// 1. There were operand order differences in the

	b := new(Int).SetBytes(bBytes)

	d := new(Int).GCD(x, y, a, b)
	x.Mul(x, a)
	y.Mul(y, b)
	x.Add(x, y)

	return x.Cmp(d) == 0
}

// euclidExtGCD is a reference implementation of Euclid's
// extended GCD algorithm for testing against optimized algorithms.
// Requirements: a, b > 0
func euclidExtGCD(a, b *Int) (g, x, y *Int) {
	A := new(Int).Set(a)
	B := new(Int).Set(b)

	}
}

// Note: see comment in handshake_test.go for details of how the reference
// tests work.

// serverTest represents a test of the TLS server handshake against a reference
// implementation.
type serverTest struct {
	// name is a freeform string identifying the test and the file in which
	// the expected results will be stored.
	name string

	}
}

// An onlyReader only implements io.Reader, no matter what other methods the underlying implementation may have.
type onlyReader struct {
	io.Reader
}

// An onlyWriter only implements io.Writer, no matter what other methods the underlying implementation may have.
type onlyWriter struct {
	io.Writer
}

// them is responsible.
//
// Matching that behavior for runtime-internal locks will require identifying
// which Ms are blocked on the mutex. The semaphore-based implementation is
// ready to allow that, but the futex-based implementation will require a bit
// more work. Until then, we report contention on runtime-internal locks with a
// call stack taken from the unlock call (like the rest of the user-space

//
// Typical use of an unwinder looks like:
//
//	var u unwinder
//	for u.init(gp, 0); u.valid(); u.next() {
//		// ... use frame info in u ...
//	}
//
// Implementation note: This is carefully structured to be pointer-free because
// tracebacks happen in places that disallow write barriers (e.g., signals).
// Even if this is stack-allocated, its pointer-receiver methods don't know that

func newCipher(key []byte) cipher.Block {
	c, err := des.NewCipher(key)
	if err != nil {
		panic("NewCipher failed: " + err.Error())
	}
	return c
}

// Use the known weak keys to test DES implementation
func TestWeakKeys(t *testing.T) {
	for i, tt := range weakKeyTests {
		var encrypt = func(in []byte) (out []byte) {
			c := newCipher(tt.key)
			out = make([]byte, len(in))
			c.Encrypt(out, in)

// license that can be found in the LICENSE file.

// Package dnsmessage provides a mostly RFC 1035 compliant implementation of
// DNS message packing and unpacking.
//
// The package also supports messages with Extension Mechanisms for DNS
// (EDNS(0)) as defined in RFC 6891.
//
// This implementation is designed to minimize heap allocations and avoid
// unnecessary packing and unpacking as much as possible.
package dnsmessage