all: use HTTPS for iana.org links

iana.org, www.iana.org and data.iana.org all present a valid TLS
certificate, so let's use it when fetching data or linking to
resources to avoid errors in transit.

Change-Id: Ib3ce7c19789c4e9d982a776b61d8380ddc63194d
Reviewed-on: https://go-review.googlesource.com/89416
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/lib/time/README b/lib/time/README
index ffce9b0..aab4daa 100644
--- a/lib/time/README
+++ b/lib/time/README
@@ -3,7 +3,7 @@
 The IANA asserts that the database is in the public domain.
 
 For more information, see
-http://www.iana.org/time-zones
+https://www.iana.org/time-zones
 ftp://ftp.iana.org/tz/code/tz-link.htm
 http://tools.ietf.org/html/rfc6557
 
diff --git a/lib/time/update.bash b/lib/time/update.bash
index b54fc9e..26ad79d 100755
--- a/lib/time/update.bash
+++ b/lib/time/update.bash
@@ -5,7 +5,7 @@
 
 # This script rebuilds the time zone files using files
 # downloaded from the ICANN/IANA distribution.
-# Consult http://www.iana.org/time-zones for the latest versions.
+# Consult https://www.iana.org/time-zones for the latest versions.
 
 # Versions to use.
 CODE=2017c
@@ -16,8 +16,8 @@
 mkdir work
 cd work
 mkdir zoneinfo
-curl -L -O http://www.iana.org/time-zones/repository/releases/tzcode$CODE.tar.gz
-curl -L -O http://www.iana.org/time-zones/repository/releases/tzdata$DATA.tar.gz
+curl -L -O https://www.iana.org/time-zones/repository/releases/tzcode$CODE.tar.gz
+curl -L -O https://www.iana.org/time-zones/repository/releases/tzdata$DATA.tar.gz
 tar xzf tzcode$CODE.tar.gz
 tar xzf tzdata$DATA.tar.gz
 
@@ -42,10 +42,9 @@
 cd ../..
 
 echo
-if [ "$1" = "-work" ]; then 
+if [ "$1" = "-work" ]; then
 	echo Left workspace behind in work/.
 else
 	rm -rf work
 fi
 echo New time zone files in zoneinfo.zip.
-
diff --git a/misc/nacl/testdata/mime.types b/misc/nacl/testdata/mime.types
index 2c41bd2..81a415e 100644
--- a/misc/nacl/testdata/mime.types
+++ b/misc/nacl/testdata/mime.types
@@ -9,7 +9,7 @@
 # content languages and encodings, so choose them carefully.
 #
 # Internet media types should be registered as described in RFC 4288.
-# The registry is at <http://www.iana.org/assignments/media-types/>.
+# The registry is at <https://www.iana.org/assignments/media-types/>.
 #
 # MIME type (lowercased)			Extensions
 # ============================================	==========
diff --git a/src/crypto/tls/cipher_suites.go b/src/crypto/tls/cipher_suites.go
index beb0f19..41f9103 100644
--- a/src/crypto/tls/cipher_suites.go
+++ b/src/crypto/tls/cipher_suites.go
@@ -364,7 +364,7 @@
 // A list of cipher suite IDs that are, or have been, implemented by this
 // package.
 //
-// Taken from http://www.iana.org/assignments/tls-parameters/tls-parameters.xml
+// Taken from https://www.iana.org/assignments/tls-parameters/tls-parameters.xml
 const (
 	TLS_RSA_WITH_RC4_128_SHA                uint16 = 0x0005
 	TLS_RSA_WITH_3DES_EDE_CBC_SHA           uint16 = 0x000a
diff --git a/src/crypto/tls/common.go b/src/crypto/tls/common.go
index 646b107..f331c11 100644
--- a/src/crypto/tls/common.go
+++ b/src/crypto/tls/common.go
@@ -91,7 +91,7 @@
 )
 
 // CurveID is the type of a TLS identifier for an elliptic curve. See
-// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-8
+// https://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-8
 type CurveID uint16
 
 const (
@@ -102,7 +102,7 @@
 )
 
 // TLS Elliptic Curve Point Formats
-// http://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-9
+// https://www.iana.org/assignments/tls-parameters/tls-parameters.xml#tls-parameters-9
 const (
 	pointFormatUncompressed uint8 = 0
 )
diff --git a/src/net/http/status.go b/src/net/http/status.go
index 98645b7..eb55757 100644
--- a/src/net/http/status.go
+++ b/src/net/http/status.go
@@ -5,7 +5,7 @@
 package http
 
 // HTTP status codes as registered with IANA.
-// See: http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+// See: https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
 const (
 	StatusContinue           = 100 // RFC 7231, 6.2.1
 	StatusSwitchingProtocols = 101 // RFC 7231, 6.2.2
diff --git a/src/net/lookup.go b/src/net/lookup.go
index 85e4729..6844b11 100644
--- a/src/net/lookup.go
+++ b/src/net/lookup.go
@@ -15,7 +15,7 @@
 // names and numbers for platforms that don't have a complete list of
 // protocol numbers.
 //
-// See http://www.iana.org/assignments/protocol-numbers
+// See https://www.iana.org/assignments/protocol-numbers
 //
 // On Unix, this map is augmented by readProtocols via lookupProtocol.
 var protocols = map[string]int{
diff --git a/src/net/lookup_test.go b/src/net/lookup_test.go
index bfb8725..d0fc8c3 100644
--- a/src/net/lookup_test.go
+++ b/src/net/lookup_test.go
@@ -664,10 +664,10 @@
 }
 
 func TestLookupPort(t *testing.T) {
-	// See http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml
+	// See https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml
 	//
 	// Please be careful about adding new test cases.
-	// There are platforms having incomplete mappings for
+	// There are platforms which have incomplete mappings for
 	// restricted resource access and security reasons.
 	type test struct {
 		network string
diff --git a/src/time/zoneinfo.go b/src/time/zoneinfo.go
index 96ff8d3..d7e830b 100644
--- a/src/time/zoneinfo.go
+++ b/src/time/zoneinfo.go
@@ -173,7 +173,7 @@
 // times.
 //
 // The reference implementation in localtime.c from
-// http://www.iana.org/time-zones/repository/releases/tzcode2013g.tar.gz
+// https://www.iana.org/time-zones/repository/releases/tzcode2013g.tar.gz
 // implements the following algorithm for these cases:
 // 1) If the first zone is unused by the transitions, use it.
 // 2) Otherwise, if there are transition times, and the first