all: update comment URLs from HTTP to HTTPS, where possible

Each URL was manually verified to ensure it did not serve up incorrect
content.

Change-Id: I4dc846227af95a73ee9a3074d0c379ff0fa955df
Reviewed-on: https://go-review.googlesource.com/115798
Reviewed-by: Ian Lance Taylor <[email protected]>
Run-TryBot: Ian Lance Taylor <[email protected]>

Author: Tim Cooper

src/archive/tar/format.go

@@ -94,7 +94,7 @@ const (
 	// application can only parse GNU formatted archives.
 	//
 	// Reference:
-	//	http://www.gnu.org/software/tar/manual/html_node/Standard.html
+	//	https://www.gnu.org/software/tar/manual/html_node/Standard.html
 	FormatGNU
 
 	// Schily's tar format, which is incompatible with USTAR.

src/archive/zip/struct.go

@@ -202,7 +202,7 @@ func timeZone(offset time.Duration) *time.Location {
 
 // msDosTimeToTime converts an MS-DOS date and time into a time.Time.
 // The resolution is 2s.
-// See: http://msdn.microsoft.com/en-us/library/ms724247(v=VS.85).aspx
+// See: https://msdn.microsoft.com/en-us/library/ms724247(v=VS.85).aspx
 func msDosTimeToTime(dosDate, dosTime uint16) time.Time {
 	return time.Date(
 		// date bits 0-4: day of month; 5-8: month; 9-15: years since 1980
@@ -222,7 +222,7 @@ func msDosTimeToTime(dosDate, dosTime uint16) time.Time {
 
 // timeToMsDosTime converts a time.Time to an MS-DOS date and time.
 // The resolution is 2s.
-// See: http://msdn.microsoft.com/en-us/library/ms724274(v=VS.85).aspx
+// See: https://msdn.microsoft.com/en-us/library/ms724274(v=VS.85).aspx
 func timeToMsDosTime(t time.Time) (fDate uint16, fTime uint16) {
 	fDate = uint16(t.Day() + int(t.Month())<<5 + (t.Year()-1980)<<9)
 	fTime = uint16(t.Second()/2 + t.Minute()<<5 + t.Hour()<<11)

src/cmd/cgo/out.go

@@ -725,7 +725,7 @@ func (p *Package) writeGccgoOutputFunc(fgcc *os.File, n *Name) {
 // packedAttribute returns host compiler struct attribute that will be
 // used to match gc's struct layout. For example, on 386 Windows,
 // gcc wants to 8-align int64s, but gc does not.
-// Use __gcc_struct__ to work around http://gcc.gnu.org/PR52991 on x86,
+// Use __gcc_struct__ to work around https://gcc.gnu.org/PR52991 on x86,
 // and https://golang.org/issue/5603.
 func (p *Package) packedAttribute() string {
 	s := "__attribute__((__packed__"

src/cmd/compile/internal/gc/phi.go

@@ -14,7 +14,7 @@ import (
 
 // This file contains the algorithm to place phi nodes in a function.
 // For small functions, we use Braun, Buchwald, Hack, Leißa, Mallon, and Zwinkau.
-// http://pp.info.uni-karlsruhe.de/uploads/publikationen/braun13cc.pdf
+// https://pp.info.uni-karlsruhe.de/uploads/publikationen/braun13cc.pdf
 // For large functions, we use Sreedhar & Gao: A Linear Time Algorithm for Placing Φ-Nodes.
 // http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.8.1979&rep=rep1&type=pdf
 

src/cmd/compile/internal/ssa/sparsemap.go

@@ -6,7 +6,7 @@ package ssa
 
 import "cmd/internal/src"
 
-// from http://research.swtch.com/sparse
+// from https://research.swtch.com/sparse
 // in turn, from Briggs and Torczon
 
 type sparseEntry struct {

src/cmd/compile/internal/ssa/sparseset.go

@@ -4,7 +4,7 @@
 
 package ssa
 
-// from http://research.swtch.com/sparse
+// from https://research.swtch.com/sparse
 // in turn, from Briggs and Torczon
 
 type sparseSet struct {

src/cmd/dist/sys_windows.go

@@ -14,7 +14,7 @@ var (
 	procGetSystemInfo = modkernel32.NewProc("GetSystemInfo")
 )
 
-// see http://msdn.microsoft.com/en-us/library/windows/desktop/ms724958(v=vs.85).aspx
+// see https://msdn.microsoft.com/en-us/library/windows/desktop/ms724958(v=vs.85).aspx
 type systeminfo struct {
 	wProcessorArchitecture      uint16
 	wReserved                   uint16

src/cmd/go/go_test.go

@@ -2925,7 +2925,7 @@ func TestCgoPkgConfig(t *testing.T) {
 	// OpenBSD's pkg-config is strict about whitespace and only
 	// supports backslash-escaped whitespace. It does not support
 	// quotes, which the normal freedesktop.org pkg-config does
-	// support. See http://man.openbsd.org/pkg-config.1
+	// support. See https://man.openbsd.org/pkg-config.1
 	tg.tempFile("foo.pc", `
 Name: foo
 Description: The foo library

src/cmd/internal/obj/s390x/a.out.go

@@ -150,7 +150,7 @@ const (
 )
 
 // LINUX for zSeries ELF Application Binary Interface Supplement
-// http://refspecs.linuxfoundation.org/ELF/zSeries/lzsabi0_zSeries/x1472.html
+// https://refspecs.linuxfoundation.org/ELF/zSeries/lzsabi0_zSeries/x1472.html
 var S390XDWARFRegisters = map[int16]int16{}
 
 func init() {

src/cmd/link/internal/amd64/asm.go

@@ -617,7 +617,7 @@ func addpltsym(ctxt *ld.Link, s *sym.Symbol) {
 		// so for now we'll just use non-lazy pointers,
 		// which don't need to be told which library to use.
 		//
-		// http://networkpx.blogspot.com/2009/09/about-lcdyldinfoonly-command.html
+		// https://networkpx.blogspot.com/2009/09/about-lcdyldinfoonly-command.html
 		// has details about what we're avoiding.
 
 		addgotsym(ctxt, s)

src/cmd/link/internal/ld/lib.go

@@ -1962,7 +1962,7 @@ func usage() {
 type SymbolType int8
 
 const (
-	// see also http://9p.io/magic/man2html/1/nm
+	// see also https://9p.io/magic/man2html/1/nm
 	TextSym      SymbolType = 'T'
 	DataSym      SymbolType = 'D'
 	BSSSym       SymbolType = 'B'

src/cmd/link/internal/ld/macho.go

@@ -143,7 +143,7 @@ const (
 )
 
 // Mach-O file writing
-// http://developer.apple.com/mac/library/DOCUMENTATION/DeveloperTools/Conceptual/MachORuntime/Reference/reference.html
+// https://developer.apple.com/mac/library/DOCUMENTATION/DeveloperTools/Conceptual/MachORuntime/Reference/reference.html
 
 var machohdr MachoHdr
 

src/cmd/link/internal/ld/pe.go

@@ -116,7 +116,7 @@ const (
 // license that can be found in the LICENSE file.
 
 // PE (Portable Executable) file writing
-// http://www.microsoft.com/whdc/system/platform/firmware/PECOFF.mspx
+// https://www.microsoft.com/whdc/system/platform/firmware/PECOFF.mspx
 
 // DOS stub that prints out
 // "This program cannot be run in DOS mode."

src/cmd/link/internal/loadelf/ldelf.go

@@ -1048,7 +1048,7 @@ func readelfsym(arch *sys.Arch, syms *sym.Symbols, elfobj *ElfObj, i int, elfsym
 				// __i686.get_pc_thunk.bx is allowed to be duplicated, to
 				// workaround that we set dupok.
 				// TODO(minux): correctly handle __i686.get_pc_thunk.bx without
-				// set dupok generally. See http://codereview.appspot.com/5823055/
+				// set dupok generally. See https://golang.org/cl/5823055
 				// comment #5 for details.
 				if s != nil && elfsym.other == 2 {
 					s.Attr |= sym.AttrDuplicateOK | sym.AttrVisibilityHidden

src/cmd/link/internal/wasm/asm.go

@@ -88,7 +88,7 @@ func assignAddress(ctxt *ld.Link, sect *sym.Section, n int, s *sym.Symbol, va ui
 }
 
 // asmb writes the final WebAssembly module binary.
-// Spec: http://webassembly.github.io/spec/core/binary/modules.html
+// Spec: https://webassembly.github.io/spec/core/binary/modules.html
 func asmb(ctxt *ld.Link) {
 	if ctxt.Debugvlog != 0 {
 		ctxt.Logf("%5.2f asmb\n", ld.Cputime())

src/compress/bzip2/bzip2.go

@@ -8,7 +8,7 @@ package bzip2
 import "io"
 
 // There's no RFC for bzip2. I used the Wikipedia page for reference and a lot
-// of guessing: http://en.wikipedia.org/wiki/Bzip2
+// of guessing: https://en.wikipedia.org/wiki/Bzip2
 // The source code to pyflate was useful for debugging:
 // http://www.paul.sladen.org/projects/pyflate
 

src/compress/flate/deflate.go

@@ -720,7 +720,7 @@ func (w *Writer) Write(data []byte) (n int, err error) {
 // In the terminology of the zlib library, Flush is equivalent to Z_SYNC_FLUSH.
 func (w *Writer) Flush() error {
 	// For more about flushing:
-	// http://www.bolet.org/~pornin/deflate-flush.html
+	// https://www.bolet.org/~pornin/deflate-flush.html
 	return w.d.syncFlush()
 }
 

src/compress/lzw/reader_test.go

@@ -66,7 +66,7 @@ var lzwTests = []lzwTest{
 		"\x54\x9e\x08\x29\xf2\x44\x8a\x93\x27\x54\x04",
 		io.ErrUnexpectedEOF,
 	},
-	// This example comes from http://en.wikipedia.org/wiki/Graphics_Interchange_Format.
+	// This example comes from https://en.wikipedia.org/wiki/Graphics_Interchange_Format.
 	{
 		"gif;LSB;8",
 		"\x28\xff\xff\xff\x28\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff",

src/compress/zlib/reader_test.go

@@ -19,7 +19,7 @@ type zlibTest struct {
 }
 
 // Compare-to-golden test data was generated by the ZLIB example program at
-// http://www.zlib.net/zpipe.c
+// https://www.zlib.net/zpipe.c
 
 var zlibTests = []zlibTest{
 	{

src/crypto/aes/aes_test.go

@@ -122,7 +122,7 @@ func TestTd(t *testing.T) {
 }
 
 // Test vectors are from FIPS 197:
-//	http://www.csrc.nist.gov/publications/fips/fips197/fips-197.pdf
+//	https://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
 
 // Appendix A of FIPS 197: Key expansion examples
 type KeyTest struct {

src/crypto/aes/block.go

@@ -31,8 +31,8 @@
 //
 // See FIPS 197 for specification, and see Daemen and Rijmen's Rijndael submission
 // for implementation details.
-//	http://www.csrc.nist.gov/publications/fips/fips197/fips-197.pdf
-//	http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf
+//	https://www.csrc.nist.gov/publications/fips/fips197/fips-197.pdf
+//	https://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf
 
 package aes
 

src/crypto/aes/const.go

@@ -15,7 +15,7 @@ package aes
 
 // This file contains AES constants - 8720 bytes of initialized data.
 
-// http://www.csrc.nist.gov/publications/fips/fips197/fips-197.pdf
+// https://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
 
 // AES is based on the mathematical behavior of binary polynomials
 // (polynomials over GF(2)) modulo the irreducible polynomial x⁸ + x⁴ + x³ + x + 1.

src/crypto/cipher/cfb_test.go

@@ -14,7 +14,7 @@ import (
 )
 
 // cfbTests contains the test vectors from
-// http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf, section
+// https://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf, section
 // F.3.13.
 var cfbTests = []struct {
 	key, iv, plaintext, ciphertext string

src/crypto/cipher/cipher.go

@@ -4,7 +4,7 @@
 
 // Package cipher implements standard block cipher modes that can be wrapped
 // around low-level block cipher implementations.
-// See http://csrc.nist.gov/groups/ST/toolkit/BCM/current_modes.html
+// See https://csrc.nist.gov/groups/ST/toolkit/BCM/current_modes.html
 // and NIST Special Publication 800-38A.
 package cipher
 

src/crypto/cipher/gcm.go

@@ -63,7 +63,7 @@ type gcmFieldElement struct {
 }
 
 // gcm represents a Galois Counter Mode with a specific key. See
-// http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-revised-spec.pdf
+// https://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-revised-spec.pdf
 type gcm struct {
 	cipher    Block
 	nonceSize int

src/crypto/ecdsa/ecdsa_test.go

@@ -213,7 +213,7 @@ func fromHex(s string) *big.Int {
 
 func TestVectors(t *testing.T) {
 	// This test runs the full set of NIST test vectors from
-	// http://csrc.nist.gov/groups/STM/cavp/documents/dss/186-3ecdsatestvectors.zip
+	// https://csrc.nist.gov/groups/STM/cavp/documents/dss/186-3ecdsatestvectors.zip
 	//
 	// The SigVer.rsp file has been edited to remove test vectors for
 	// unsupported algorithms and has been compressed.

src/crypto/elliptic/elliptic.go

@@ -20,7 +20,7 @@ import (
 )
 
 // A Curve represents a short-form Weierstrass curve with a=-3.
-// See http://www.hyperelliptic.org/EFD/g1p/auto-shortw.html
+// See https://www.hyperelliptic.org/EFD/g1p/auto-shortw.html
 type Curve interface {
 	// Params returns the parameters for the curve.
 	Params() *CurveParams
@@ -108,7 +108,7 @@ func (curve *CurveParams) Add(x1, y1, x2, y2 *big.Int) (*big.Int, *big.Int) {
 // addJacobian takes two points in Jacobian coordinates, (x1, y1, z1) and
 // (x2, y2, z2) and returns their sum, also in Jacobian form.
 func (curve *CurveParams) addJacobian(x1, y1, z1, x2, y2, z2 *big.Int) (*big.Int, *big.Int, *big.Int) {
-	// See http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#addition-add-2007-bl
+	// See https://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#addition-add-2007-bl
 	x3, y3, z3 := new(big.Int), new(big.Int), new(big.Int)
 	if z1.Sign() == 0 {
 		x3.Set(x2)
@@ -191,7 +191,7 @@ func (curve *CurveParams) Double(x1, y1 *big.Int) (*big.Int, *big.Int) {
 // doubleJacobian takes a point in Jacobian coordinates, (x, y, z), and
 // returns its double, also in Jacobian form.
 func (curve *CurveParams) doubleJacobian(x, y, z *big.Int) (*big.Int, *big.Int, *big.Int) {
-	// See http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
+	// See https://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
 	delta := new(big.Int).Mul(z, z)
 	delta.Mod(delta, curve.P)
 	gamma := new(big.Int).Mul(y, y)

src/crypto/elliptic/p224.go

@@ -7,7 +7,7 @@ package elliptic
 // This is a constant-time, 32-bit implementation of P224. See FIPS 186-3,
 // section D.2.2.
 //
-// See http://www.imperialviolet.org/2010/12/04/ecc.html ([1]) for background.
+// See https://www.imperialviolet.org/2010/12/04/ecc.html ([1]) for background.
 
 import (
 	"math/big"
@@ -503,7 +503,7 @@ func p224Contract(out, in *p224FieldElement) {
 
 // p224AddJacobian computes *out = a+b where a != b.
 func p224AddJacobian(x3, y3, z3, x1, y1, z1, x2, y2, z2 *p224FieldElement) {
-	// See http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#addition-p224Add-2007-bl
+	// See https://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#addition-p224Add-2007-bl
 	var z1z1, z2z2, u1, u2, s1, s2, h, i, j, r, v p224FieldElement
 	var c p224LargeFieldElement
 

src/crypto/elliptic/p256.go

@@ -817,7 +817,7 @@ func p256Scalar8(out *[p256Limbs]uint32) {
 
 // p256PointDouble sets {xOut,yOut,zOut} = 2*{x,y,z}.
 //
-// See http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#doubling-dbl-2009-l
+// See https://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#doubling-dbl-2009-l
 func p256PointDouble(xOut, yOut, zOut, x, y, z *[p256Limbs]uint32) {
 	var delta, gamma, alpha, beta, tmp, tmp2 [p256Limbs]uint32
 
@@ -850,7 +850,7 @@ func p256PointDouble(xOut, yOut, zOut, x, y, z *[p256Limbs]uint32) {
 // p256PointAddMixed sets {xOut,yOut,zOut} = {x1,y1,z1} + {x2,y2,1}.
 // (i.e. the second point is affine.)
 //
-// See http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#addition-add-2007-bl
+// See https://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#addition-add-2007-bl
 //
 // Note that this function does not handle P+P, infinity+P nor P+infinity
 // correctly.
@@ -886,7 +886,7 @@ func p256PointAddMixed(xOut, yOut, zOut, x1, y1, z1, x2, y2 *[p256Limbs]uint32)
 
 // p256PointAdd sets {xOut,yOut,zOut} = {x1,y1,z1} + {x2,y2,z2}.
 //
-// See http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#addition-add-2007-bl
+// See https://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#addition-add-2007-bl
 //
 // Note that this function does not handle P+P, infinity+P nor P+infinity
 // correctly.

src/crypto/elliptic/p256_amd64.go

@@ -7,7 +7,7 @@
 // detail in:
 // S.Gueron and V.Krasnov, "Fast prime field elliptic-curve cryptography with
 //                          256-bit primes"
-// http://link.springer.com/article/10.1007%2Fs13389-014-0090-x
+// https://link.springer.com/article/10.1007%2Fs13389-014-0090-x
 // https://eprint.iacr.org/2013/816.pdf
 
 // +build amd64

src/crypto/elliptic/p256_asm_amd64.s

@@ -6,7 +6,7 @@
 // P256. The optimizations performed here are described in detail in:
 // S.Gueron and V.Krasnov, "Fast prime field elliptic-curve cryptography with
 //                          256-bit primes"
-// http://link.springer.com/article/10.1007%2Fs13389-014-0090-x
+// https://link.springer.com/article/10.1007%2Fs13389-014-0090-x
 // https://eprint.iacr.org/2013/816.pdf
 
 #include "textflag.h"

src/crypto/elliptic/p256_asm_s390x.s

@@ -1733,9 +1733,9 @@ TEXT ·p256PointAddAffineAsm(SB), NOSPLIT, $0
 #undef CAR2
 
 // p256PointDoubleAsm(P3, P1 *p256Point)
-// http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html#doubling-dbl-2007-bl
-// http://www.hyperelliptic.org/EFD/g1p/auto-shortw.html
-// http://www.hyperelliptic.org/EFD/g1p/auto-shortw-projective-3.html
+// https://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html#doubling-dbl-2007-bl
+// https://www.hyperelliptic.org/EFD/g1p/auto-shortw.html
+// https://www.hyperelliptic.org/EFD/g1p/auto-shortw-projective-3.html
 #define P3ptr   R1
 #define P1ptr   R2
 #define CPOOL   R4
@@ -1783,7 +1783,7 @@ TEXT ·p256PointAddAffineAsm(SB), NOSPLIT, $0
 #define CAR1  V28
 #define CAR2  V29
 /*
- * http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2004-hmv
+ * https://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2004-hmv
  * Cost: 4M + 4S + 1*half + 5add + 2*2 + 1*3.
  * Source: 2004 Hankerson–Menezes–Vanstone, page 91.
  * 	A  = 3(X₁-Z₁²)×(X₁+Z₁²)
@@ -1995,7 +1995,7 @@ TEXT ·p256PointDoubleAsm(SB), NOSPLIT, $0
  * Y₃ = D×(A×C² - X₃) - B×C³
  * Z₃ = Z₁×Z₂×C
  *
- * Three-operand formula (adopted): http://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#addition-add-1998-cmo-2
+ * Three-operand formula (adopted): https://www.hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#addition-add-1998-cmo-2
  * Temp storage: T1,T2,U1,H,Z3=X3=Y3,S1,R
  *
  * T1 = Z1*Z1

src/crypto/hmac/hmac.go

@@ -27,7 +27,7 @@ import (
 )
 
 // FIPS 198-1:
-// http://csrc.nist.gov/publications/fips/fips198-1/FIPS-198-1_final.pdf
+// https://csrc.nist.gov/publications/fips/fips198-1/FIPS-198-1_final.pdf
 
 // key is zero padded to the block size of the hash function
 // ipad = 0x36 byte repeated for key length

src/crypto/hmac/hmac_test.go

@@ -25,7 +25,7 @@ type hmacTest struct {
 
 var hmacTests = []hmacTest{
 	// Tests from US FIPS 198
-	// http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf
+	// https://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf
 	{
 		sha1.New,
 		[]byte{
@@ -205,7 +205,7 @@ var hmacTests = []hmacTest{
 		sha256.BlockSize,
 	},
 
-	// Tests from http://csrc.nist.gov/groups/ST/toolkit/examples.html
+	// Tests from https://csrc.nist.gov/groups/ST/toolkit/examples.html
 	// (truncated tag tests are left out)
 	{
 		sha1.New,