diff --git a/cmd/avtool/main.go b/cmd/avtool/main.go
index 41ad6ca..60a68c1 100644
--- a/cmd/avtool/main.go
+++ b/cmd/avtool/main.go
@@ -11,7 +11,7 @@ import (
 	"github.com/pbthorste/avtool"
 	"github.com/smallfish/simpleyaml"
 	"golang.org/x/crypto/ssh/terminal"
-	"gopkg.in/urfave/cli.v1"
+	cli "gopkg.in/urfave/cli.v1"
 )
 
 var (
diff --git a/decrypt.go b/decrypt.go
index 74c4004..c1e1be4 100644
--- a/decrypt.go
+++ b/decrypt.go
@@ -7,10 +7,11 @@ import (
 	"crypto/sha256"
 	"encoding/hex"
 	"fmt"
-	"golang.org/x/crypto/pbkdf2"
 	"io/ioutil"
 	"log"
 	"strings"
+
+	"golang.org/x/crypto/pbkdf2"
 )
 
 func check(e error) {
@@ -24,8 +25,10 @@ func DecryptFile(filename, password string) (result string, err error) {
 	data, err := ioutil.ReadFile(filename)
 	check(err)
 	result, err = Decrypt(string(data), password)
+	check(err)
 	return
 }
+
 // Decrypt a string containing the ansible vault
 func Decrypt(data, password string) (result string, err error) {
 	defer func() {
@@ -51,7 +54,7 @@ func Decrypt(data, password string) (result string, err error) {
 
 // in order to support vault files with windows line endings
 func replaceCarriageReturn(data string) string {
-	return strings.Replace(data, "\r","",-1)
+	return strings.Replace(data, "\r", "", -1)
 }
 
 /*
@@ -77,17 +80,17 @@ https://github.com/ansible/ansible/blob/0b8011436dc7f842b78298848e298f2a57ee8d78
 func decodeData(body string) (salt, cryptedHmac, ciphertext []byte) {
 	decoded, _ := hex.DecodeString(body)
 	elements := strings.SplitN(string(decoded), "\n", 3)
-	salt, err1 := hex.DecodeString(elements[0])
-	if err1 != nil {
-		panic(err1)
+	salt, err := hex.DecodeString(elements[0])
+	if err != nil {
+		panic(err)
 	}
-	cryptedHmac, err2 := hex.DecodeString(elements[1])
-	if err2 != nil {
-		panic(err2)
+	cryptedHmac, err = hex.DecodeString(elements[1])
+	if err != nil {
+		panic(err)
 	}
-	ciphertext, err3 := hex.DecodeString(elements[2])
-	if err3 != nil {
-		panic(err3)
+	ciphertext, err = hex.DecodeString(elements[2])
+	if err != nil {
+		panic(err)
 	}
 	return
 }
diff --git a/encrypt.go b/encrypt.go
index cb3f8ad..332dc05 100644
--- a/encrypt.go
+++ b/encrypt.go
@@ -2,13 +2,13 @@ package avtool
 
 import (
 	"crypto/aes"
-	"crypto/rand"
 	"crypto/cipher"
 	"crypto/hmac"
+	"crypto/rand"
 	"crypto/sha256"
 	"encoding/hex"
-	"strings"
 	"io/ioutil"
+	"strings"
 )
 
 func GenerateRandomBytes(n int) ([]byte, error) {
@@ -36,15 +36,15 @@ func Encrypt(body, password string) (result string, err error) {
 	//salt,_ = hex.DecodeString(salt_64)
 	key1, key2, iv := genKeyInitctr(password, salt)
 	ciphertext := createCipherText(body, key1, iv)
-	combined := combineParts(ciphertext,key2,salt)
+	combined := combineParts(ciphertext, key2, salt)
 	vaultText := hex.EncodeToString([]byte(combined))
 	result = formatOutput(vaultText)
 	return
 }
 
-func createCipherText(body string, key1,iv []byte) []byte {
+func createCipherText(body string, key1, iv []byte) []byte {
 	bs := aes.BlockSize
-	padding := (bs - len(body) % bs)
+	padding := (bs - len(body)%bs)
 	if padding == 0 {
 		padding = bs
 	}
@@ -100,4 +100,4 @@ func formatOutput(vaultText string) string {
 
 	whole := strings.Join(elements, "\n")
 	return whole
-}
\ No newline at end of file
+}