crypto: add import comments.

Change-Id: I33240faf1b8620d0cd600de661928d8e422ebdbc
Reviewed-on: https://go-review.googlesource.com/1235
Reviewed-by: Andrew Gerrand <[email protected]>

Author: dsymonds

bcrypt/bcrypt.go

@@ -4,7 +4,7 @@
 
 // Package bcrypt implements Provos and Mazières's bcrypt adaptive hashing
 // algorithm. See http://www.usenix.org/event/usenix99/provos/provos.pdf
-package bcrypt
+package bcrypt // import "golang.org/x/crypto/bcrypt"
 
 // The code is a port of Provos and Mazières's C implementation.
 import (

blowfish/cipher.go

@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package blowfish implements Bruce Schneier's Blowfish encryption algorithm.
-package blowfish
+package blowfish // import "golang.org/x/crypto/blowfish"
 
 // The code is a port of Bruce Schneier's C implementation.
 // See http://www.schneier.com/blowfish.html.

bn256/bn256.go

@@ -14,7 +14,7 @@
 // Barreto-Naehrig curve as described in
 // http://cryptojedi.org/papers/dclxvi-20100714.pdf. Its output is compatible
 // with the implementation described in that paper.
-package bn256
+package bn256 // import "golang.org/x/crypto/bn256"
 
 import (
 	"crypto/rand"

cast5/cast5.go

@@ -4,7 +4,7 @@
 
 // Package cast5 implements CAST5, as defined in RFC 2144. CAST5 is a common
 // OpenPGP cipher.
-package cast5
+package cast5 // import "golang.org/x/crypto/cast5"
 
 import "errors"
 

curve25519/doc.go

@@ -4,7 +4,7 @@
 
 // Package curve25519 provides an implementation of scalar multiplication on
 // the elliptic curve known as curve25519. See http://cr.yp.to/ecdh.html
-package curve25519
+package curve25519 // import "golang.org/x/crypto/curve25519"
 
 // basePoint is the x coordinate of the generator of the curve.
 var basePoint = [32]byte{9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}

hkdf/hkdf.go

@@ -10,7 +10,7 @@
 // strong secret keys.
 //
 // RFC 5869: https://tools.ietf.org/html/rfc5869
-package hkdf
+package hkdf // import "golang.org/x/crypto/hkdf"
 
 import (
 	"crypto/hmac"

md4/md4.go

@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // Package md4 implements the MD4 hash algorithm as defined in RFC 1320.
-package md4
+package md4 // import "golang.org/x/crypto/md4"
 
 import (
 	"crypto"

nacl/box/box.go

@@ -15,7 +15,7 @@ negligible risk of collision.
 
 This package is interoperable with NaCl: http://nacl.cr.yp.to/box.html.
 */
-package box
+package box // import "golang.org/x/crypto/nacl/box"
 
 import (
 	"golang.org/x/crypto/curve25519"

nacl/secretbox/secretbox.go

@@ -15,7 +15,7 @@ negligible risk of collision.
 
 This package is interoperable with NaCl: http://nacl.cr.yp.to/secretbox.html.
 */
-package secretbox
+package secretbox // import "golang.org/x/crypto/nacl/secretbox"
 
 import (
 	"golang.org/x/crypto/poly1305"

ocsp/ocsp.go

@@ -5,7 +5,7 @@
 // Package ocsp parses OCSP responses as specified in RFC 2560. OCSP responses
 // are signed messages attesting to the validity of a certificate for a small
 // period of time. This is used to manage revocation for X.509 certificates.
-package ocsp
+package ocsp // import "golang.org/x/crypto/ocsp"
 
 import (
 	"crypto"