100% golint

psyfer/aes.go

@@ -75,12 +75,13 @@ var rcon = []byte{0x00, // rcon[] is 1-based, so the first entry is just a place
 	0xE8, 0xCB, 0x8D,
 }
 
-// renamed []byte type for simplicity
+//Block renamed []byte type for simplicity
 type Block []byte
 
 var keyexpanded []Block
 var key Block
 
+//ToString writes []Block to a string in ascii form
 func ToString(all []Block, keysize int, k Block, decrypt bool) string {
 	final := ""
 	for _, bl := range all {
@@ -95,6 +96,7 @@ func ToString(all []Block, keysize int, k Block, decrypt bool) string {
 	return final
 }
 
+//ToHex writes []Block to a string in hex form
 func ToHex(all []Block, keysize int, k Block, decrypt bool) string {
 	final := ""
 	for _, bl := range all {
@@ -111,6 +113,7 @@ func ToHex(all []Block, keysize int, k Block, decrypt bool) string {
 	return final
 }
 
+//BlockGen helps create []Block from incoming string
 func BlockGen(arg string) []Block {
 	all := []Block{}
 	b := Block{}
@@ -131,7 +134,7 @@ func BlockGen(arg string) []Block {
 	return all
 }
 
-//performs AES cipher
+//Cipher performs AES cipher
 func Cipher(cur Block, bit int, incomingKey Block) Block {
 	if len(cur) != 16 {
 		missing := 16 - len(cur)
@@ -191,7 +194,7 @@ func Cipher(cur Block, bit int, incomingKey Block) Block {
 	return cur
 }
 
-//inverse AES cipher
+//InvCipher inverse AES cipher
 func InvCipher(cur Block, bit int, incomingKey Block) Block {
 	if len(cur) != 16 {
 		missing := 16 - len(cur)

psyfer/substitution.go

@@ -6,12 +6,14 @@ import (
 	"log"
 )
 
+//KeyJSON is a letter to letter mapping key
 type KeyJSON struct {
 	Key map[string]string `json:"key"`
 }
 
 var k = KeyJSON{}
 
+//ReadConfig reads a json file containing key map
 func ReadConfig(file string) {
 	dat, err := ioutil.ReadFile(file)
 	if err != nil {
@@ -21,6 +23,7 @@ func ReadConfig(file string) {
 	k.Key[" "] = " " // keep spaces alive
 }
 
+//Substitution performs Substitution cipher based on key
 func Substitution(input string) string {
 	inputSlice := []string{}
 	output := ""

psyfer/transposition.go

@@ -2,6 +2,7 @@ package psyfer
 
 import "math/rand"
 
+//TransposeRandom randomly transposes string
 func TransposeRandom(input string) string {
 	shuffle := ""
 	list := rand.Perm(len(input))
@@ -11,6 +12,7 @@ func TransposeRandom(input string) string {
 	return shuffle
 }
 
+//TransposeRailFence performs railfence transpose
 func TransposeRailFence(input string) string {
 	rf := ""
 	for i := 0; i < len(input); i += 2 {
@@ -22,6 +24,7 @@ func TransposeRailFence(input string) string {
 	return rf
 }
 
+//TransposeSplit performs split transpose
 func TransposeSplit(input string) string {
 	split := ""
 	length := len(input)
@@ -40,6 +43,7 @@ func TransposeSplit(input string) string {
 	return split
 }
 
+//DeTransposeRailFence performs inverse railfence
 func DeTransposeRailFence(input string) string {
 	derf := ""
 	length := len(input)
@@ -58,6 +62,7 @@ func DeTransposeRailFence(input string) string {
 	return derf
 }
 
+//DeTransposeSplit performs inverse split
 func DeTransposeSplit(input string) string {
 	desplit := ""
 	if len(input)%2 == 0 {