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crypto_test.go
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crypto_test.go
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package superdog
import (
"bytes"
"crypto/sha256"
"encoding/base64"
"testing"
)
func TestEncrypt(t *testing.T) {
DefaultKeyProvider = &DevKeyProvider{DisableWarn: true}
val := []byte("Test Value...")
ln := len(val) + 36
b, err := Encrypt("test", val, val)
if err != nil {
t.Fatal(err)
}
if len(b) != ln {
t.Fatal("Encrypted value should be proper length")
}
}
func TestDecrypt(t *testing.T) {
DefaultKeyProvider = &DevKeyProvider{DisableWarn: true}
val := []byte("Test Value")
b, err := Encrypt("test", val, val)
if err != nil {
t.Fatal(err)
}
decrypted, err := Decrypt("test", b, b)
if err != nil {
t.Fatal("Error decrypting value", err)
}
if !bytes.Equal(val, decrypted) {
t.Fatal("Expected decrypted value to match original value", string(val), string(decrypted))
}
}
func TestReencrypt(t *testing.T) {
DefaultKeyProvider = &DevKeyProvider{DisableWarn: true, KeyVersion: 2}
original := "Test Value"
val := []byte(original)
b, err := EncryptWithVersion("test", 1, val, val)
if err != nil {
t.Fatal(err)
}
b, err = Reencrypt("test", b, b)
if err != nil {
t.Fatal("Error reencrypt key.", err)
}
key, err := DefaultKeyProvider.GetKey("test", 2)
if err != nil {
t.Fatal("Error retrieving key", err)
}
decrypted, err := key.Decrypt(b, b[8:])
if err != nil {
t.Fatal("Error decrypting value", err)
}
if !bytes.Equal([]byte(original), decrypted) {
t.Fatal("Expected decrypted value to match original value", original, string(decrypted))
}
}
func TestHash(t *testing.T) {
DefaultSaltProvider = &DevSaltProvider{DisableWarn: true, SaltVersion: 2}
val := []byte("Test")
h, err := Hash("fields/test", val)
if err != nil {
t.Fatal("Error hashing value", err)
}
expected := sha256.Sum256(append([]byte("DEV SALT fields/test 2"), val...))
if !bytes.Equal([]byte(base64.StdEncoding.EncodeToString(expected[:])), h) {
t.Fatal("Value failed to hash properly")
}
}
func TestHashString(t *testing.T) {
DefaultSaltProvider = &DevSaltProvider{DisableWarn: true, SaltVersion: 3}
val := "Test"
h, err := HashString("fields/test", val)
if err != nil {
t.Fatal("Error hashing value", err)
}
expected := sha256.Sum256(append([]byte("DEV SALT fields/test 3"), []byte(val)...))
if base64.StdEncoding.EncodeToString(expected[:]) != h {
t.Fatal("Value failed to hash properly")
}
}
func TestHashWithVersion(t *testing.T) {
DefaultSaltProvider = &DevSaltProvider{DisableWarn: true, SaltVersion: 1}
val := []byte("Test")
h, err := HashWithVersion("fields/test", 2, val)
if err != nil {
t.Fatal("Error hashing value", err)
}
expected := sha256.Sum256(append([]byte("DEV SALT fields/test 2"), val...))
if !bytes.Equal([]byte(base64.StdEncoding.EncodeToString(expected[:])), h) {
t.Fatal("Value failed to hash properly")
}
}
func TestCurrentHashes(t *testing.T) {
DefaultSaltProvider = &DevSaltProvider{DisableWarn: true, SaltVersion: 1}
val := []byte("Test")
hashes, err := CurrentHashes("fields/test", val)
if err != nil {
t.Fatal("Error hashing value", err)
}
if len(hashes) != 3 {
t.Fatal("Expected 3 hashes to be returned")
}
expected := sha256.Sum256(append([]byte("DEV SALT fields/test 1"), val...))
expected2 := sha256.Sum256(append([]byte("DEV SALT fields/test 2"), val...))
expected3 := sha256.Sum256(append([]byte("DEV SALT fields/test 3"), val...))
if !bytes.Equal([]byte(base64.StdEncoding.EncodeToString(expected[:])), hashes[0]) {
t.Fatal("Value failed to hash properly")
}
if !bytes.Equal([]byte(base64.StdEncoding.EncodeToString(expected2[:])), hashes[1]) {
t.Fatal("Value failed to hash properly")
}
if !bytes.Equal([]byte(base64.StdEncoding.EncodeToString(expected3[:])), hashes[2]) {
t.Fatal("Value failed to hash properly")
}
}
func TestCurrentHashesString(t *testing.T) {
DefaultSaltProvider = &DevSaltProvider{DisableWarn: true, SaltVersion: 1}
val := "Test"
valBytes := "Test"
hashes, err := CurrentHashesString("fields/test", val)
if err != nil {
t.Fatal("Error hashing value", err)
}
if len(hashes) != 3 {
t.Fatal("Expected 3 hashes to be returned")
}
expected := sha256.Sum256(append([]byte("DEV SALT fields/test 1"), valBytes...))
expected2 := sha256.Sum256(append([]byte("DEV SALT fields/test 2"), valBytes...))
expected3 := sha256.Sum256(append([]byte("DEV SALT fields/test 3"), valBytes...))
if base64.StdEncoding.EncodeToString(expected[:]) != hashes[0] {
t.Fatal("Value failed to hash properly")
}
if base64.StdEncoding.EncodeToString(expected2[:]) != hashes[1] {
t.Fatal("Value failed to hash properly")
}
if base64.StdEncoding.EncodeToString(expected3[:]) != hashes[2] {
t.Fatal("Value failed to hash properly")
}
}