3 files changed, 11 insertions, 7 deletions
diff --git a/internal/nametransform/diriv.go b/internal/nametransform/diriv.go
index 9c3c1d1..6687b40 100644
--- a/internal/nametransform/diriv.go
+++ b/internal/nametransform/diriv.go
@@ -14,10 +14,10 @@ import (
 )
 
 const (
-	// identical to AES block size
+	// DirIVLen is identical to AES block size
 	DirIVLen = 16
-	// dirIV is stored in this file. Exported because we have to ignore this
-	// name in directory listing.
+	// DirIVFilename is the filename used to store directory IV.
+	// Exported because we have to ignore this name in directory listing.
 	DirIVFilename = "gocryptfs.diriv"
 )
 
diff --git a/internal/nametransform/longnames.go b/internal/nametransform/longnames.go
index e61e21b..be00bb4 100644
--- a/internal/nametransform/longnames.go
+++ b/internal/nametransform/longnames.go
@@ -14,6 +14,7 @@ import (
 )
 
 const (
+	// LongNameSuffix is the suffix used for files with long names.
 	// Files with long names are stored in two files:
 	// gocryptfs.longname.[sha256]       <--- File content, prefix = gocryptfs.longname.
 	// gocryptfs.longname.[sha256].name  <--- File name, suffix = .name
@@ -31,12 +32,13 @@ func HashLongName(name string) string {
 
 // Values returned by IsLongName
 const (
-	// File that stores the file content.
+	// LongNameContent is the file that stores the file content.
 	// Example: gocryptfs.longname.URrM8kgxTKYMgCk4hKk7RO9Lcfr30XQof4L_5bD9Iro=
 	LongNameContent = iota
-	// File that stores the full encrypted filename.
+	// LongNameFilename is the file that stores the full encrypted filename.
 	// Example: gocryptfs.longname.URrM8kgxTKYMgCk4hKk7RO9Lcfr30XQof4L_5bD9Iro=.name
 	LongNameFilename = iota
+	// LongNameNone is used when the file does not have a long name.
 	// Example: i1bpTaVLZq7sRNA9mL_2Ig==
 	LongNameNone = iota
 )
diff --git a/internal/nametransform/names.go b/internal/nametransform/names.go
index 4850138..05ae75e 100644
--- a/internal/nametransform/names.go
+++ b/internal/nametransform/names.go
@@ -1,4 +1,4 @@
-// Package namtransforms encrypts and decrypts filenames.
+// Package nametransform encrypts and decrypts filenames.
 package nametransform
 
 import (
@@ -12,12 +12,14 @@ import (
 	"github.com/rfjakob/gocryptfs/internal/tlog"
 )
 
+// NameTransform is used to transform filenames.
 type NameTransform struct {
 	cryptoCore *cryptocore.CryptoCore
 	longNames  bool
 	DirIVCache dirIVCache
 }
 
+// New returns a new NameTransform instance.
 func New(c *cryptocore.CryptoCore, longNames bool) *NameTransform {
 	return &NameTransform{
 		cryptoCore: c,
@@ -51,7 +53,7 @@ func (n *NameTransform) DecryptName(cipherName string, iv []byte) (string, error
 	return plain, err
 }
 
-// encryptName - encrypt "plainName", return base64-encoded "cipherName64".
+// EncryptName encrypts "plainName", returns a base64-encoded "cipherName64".
 // Used internally by EncryptPathDirIV().
 // The encryption is either CBC or EME, depending on "useEME".
 //