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chacha20poly1305_test.go
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chacha20poly1305_test.go
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// Cipherman
// For the full copyright and license information, please view the LICENSE.txt file.
package cipherman_test
import (
"bytes"
"crypto/rand"
"io"
"testing"
"github.com/devfacet/cipherman"
"golang.org/x/crypto/chacha20poly1305"
)
func TestNewChaCha20Poly1305(t *testing.T) {
table := []struct {
key []byte
}{
{key: genChacha20Poly1305Key()},
}
for _, v := range table {
c, err := cipherman.NewChaCha20Poly1305(v.key)
if err != nil {
t.Errorf("got %v, want nil", err)
} else if c == nil {
t.Error("got nil, want not nil")
}
}
}
func TestNewChaCha20Poly1305_Error(t *testing.T) {
table := []struct {
key []byte
}{
{key: nil},
}
for _, v := range table {
c, err := cipherman.NewChaCha20Poly1305(v.key)
if err == nil {
t.Errorf("got nil, want %v", err)
} else if c != nil {
t.Error("got not nil, want nil")
}
}
}
func TestNewXChaCha20Poly1305(t *testing.T) {
table := []struct {
key []byte
}{
{key: genChacha20Poly1305Key()},
}
for _, v := range table {
c, err := cipherman.NewXChaCha20Poly1305(v.key)
if err != nil {
t.Errorf("got %v, want nil", err)
} else if c == nil {
t.Error("got nil, want not nil")
}
}
}
func TestNewXChaCha20Poly1305_Error(t *testing.T) {
table := []struct {
key []byte
}{
{key: nil},
{key: []byte{}},
}
for _, v := range table {
c, err := cipherman.NewXChaCha20Poly1305(v.key)
if err == nil {
t.Errorf("got nil, want %v", err)
} else if c != nil {
t.Error("got not nil, want nil")
}
}
}
func TestChaCha20Poly1305_Encrypt(t *testing.T) {
table := []struct {
variantX bool
key []byte
plaintext []byte
additionalData []byte
nonce []byte
ciphertext []byte
}{
{
key: genChacha20Poly1305Key(),
plaintext: []byte("foo"),
},
{
key: genChacha20Poly1305Key(),
plaintext: []byte("bar"),
additionalData: []byte("foo"),
},
{
key: genChacha20Poly1305Key(),
plaintext: []byte("baz"),
additionalData: []byte("bar"),
nonce: genChacha20Poly1305Nonce(),
},
{
key: []byte{159, 43, 40, 124, 233, 90, 177, 224, 30, 100, 176, 249, 198, 243, 84, 221, 156, 36, 229, 119, 45, 200, 97, 132, 128, 196, 219, 173, 250, 73, 56, 54},
plaintext: []byte("qux"),
additionalData: []byte("baz"),
nonce: []byte{42, 194, 67, 185, 151, 54, 124, 0, 243, 113, 194, 157},
ciphertext: []byte{42, 194, 67, 185, 151, 54, 124, 0, 243, 113, 194, 157, 90, 217, 30, 64, 241, 150, 80, 91, 77, 78, 14, 58, 19, 5, 205, 77, 23, 203, 197},
},
{
variantX: true,
key: genChacha20Poly1305Key(),
plaintext: []byte("foo"),
},
{
variantX: true,
key: genChacha20Poly1305Key(),
plaintext: []byte("bar"),
additionalData: []byte("foo"),
},
{
variantX: true,
key: genChacha20Poly1305Key(),
plaintext: []byte("baz"),
additionalData: []byte("bar"),
nonce: genChacha20Poly1305NonceX(),
},
{
variantX: true,
key: []byte{109, 214, 107, 232, 251, 172, 155, 107, 143, 36, 100, 94, 48, 96, 74, 228, 126, 212, 169, 167, 59, 187, 66, 102, 57, 11, 188, 237, 2, 161, 112, 59},
plaintext: []byte("qux"),
additionalData: []byte("baz"),
nonce: []byte{94, 33, 238, 49, 22, 125, 92, 28, 237, 217, 33, 126, 99, 244, 241, 97, 189, 168, 111, 177, 4, 247, 209, 83},
ciphertext: []byte{94, 33, 238, 49, 22, 125, 92, 28, 237, 217, 33, 126, 99, 244, 241, 97, 189, 168, 111, 177, 4, 247, 209, 83, 193, 46, 55, 119, 33, 94, 200, 192, 130, 235, 150, 193, 221, 254, 8, 13, 56, 113, 23},
},
}
for _, v := range table {
var c *cipherman.ChaCha20Poly1305
var err error
if v.variantX {
c, err = cipherman.NewXChaCha20Poly1305(v.key)
} else {
c, err = cipherman.NewChaCha20Poly1305(v.key)
}
if err != nil {
t.Errorf("got %v, want nil", err)
} else if c == nil {
t.Error("got nil, want not nil")
}
ct, err := c.Encrypt(v.plaintext, v.additionalData, v.nonce)
if err != nil {
t.Errorf("got %v, want nil", err)
} else if ct == nil {
t.Error("got nil, want not nil")
}
if v.ciphertext != nil {
if !bytes.Equal(ct, v.ciphertext) {
t.Errorf("got %v, want %v", ct, v.ciphertext)
}
}
}
}
func BenchmarkChaCha20Poly1305_Encrypt(b *testing.B) {
c, err := cipherman.NewChaCha20Poly1305(genChacha20Poly1305Key())
if err != nil {
b.Errorf("got %v, want nil", err)
} else if c == nil {
b.Error("got nil, want not nil")
}
pt := []byte("foo")
ad := []byte("bar")
for i := 0; i < b.N; i++ {
_, err := c.Encrypt(pt, ad, nil)
if err != nil {
b.Errorf("got %v, want nil", err)
}
}
}
func BenchmarkXChaCha20Poly1305_Encrypt(b *testing.B) {
c, err := cipherman.NewXChaCha20Poly1305(genChacha20Poly1305Key())
if err != nil {
b.Errorf("got %v, want nil", err)
} else if c == nil {
b.Error("got nil, want not nil")
}
pt := []byte("foo")
ad := []byte("bar")
for i := 0; i < b.N; i++ {
_, err := c.Encrypt(pt, ad, nil)
if err != nil {
b.Errorf("got %v, want nil", err)
}
}
}
func TestChaCha20Poly1305_Decrypt(t *testing.T) {
table := []struct {
variantX bool
key []byte
ciphertext []byte
additionalData []byte
nonce []byte
plaintext []byte
}{
{
key: []byte{42, 103, 72, 30, 211, 82, 217, 231, 71, 214, 193, 99, 194, 100, 75, 223, 248, 125, 24, 227, 8, 27, 106, 231, 89, 174, 222, 138, 121, 5, 92, 3},
ciphertext: []byte{126, 173, 179, 90, 163, 216, 226, 128, 211, 162, 226, 247, 205, 171, 0, 227, 248, 19, 29, 238, 98, 145, 53, 193, 137, 67, 228, 219, 220, 55, 148},
plaintext: []byte("foo"),
},
{
key: []byte{24, 202, 234, 56, 216, 85, 136, 112, 230, 77, 58, 117, 57, 36, 19, 122, 179, 178, 193, 249, 101, 31, 180, 124, 43, 55, 255, 90, 97, 158, 216, 183},
ciphertext: []byte{236, 201, 162, 172, 91, 230, 155, 11, 118, 90, 185, 148, 47, 180, 138, 236, 90, 231, 235, 18, 179, 158, 61, 62, 49, 177, 220, 96, 166, 43, 26},
additionalData: []byte("foo"),
plaintext: []byte("bar"),
},
{
key: []byte{159, 43, 40, 124, 233, 90, 177, 224, 30, 100, 176, 249, 198, 243, 84, 221, 156, 36, 229, 119, 45, 200, 97, 132, 128, 196, 219, 173, 250, 73, 56, 54},
ciphertext: []byte{42, 194, 67, 185, 151, 54, 124, 0, 243, 113, 194, 157, 90, 217, 30, 64, 241, 150, 80, 91, 77, 78, 14, 58, 19, 5, 205, 77, 23, 203, 197},
additionalData: []byte("baz"),
nonce: []byte{42, 194, 67, 185, 151, 54, 124, 0, 243, 113, 194, 157},
plaintext: []byte("qux"),
},
{
variantX: true,
key: []byte{34, 210, 70, 9, 119, 219, 77, 129, 253, 183, 254, 182, 96, 245, 56, 77, 104, 174, 160, 151, 58, 235, 157, 159, 32, 28, 76, 85, 16, 100, 125, 36},
ciphertext: []byte{78, 154, 165, 186, 248, 196, 61, 8, 186, 33, 69, 96, 214, 175, 186, 210, 82, 60, 190, 36, 202, 59, 31, 68, 26, 70, 21, 86, 14, 16, 32, 97, 132, 26, 50, 190, 37, 47, 41, 214, 232, 137, 38},
plaintext: []byte("foo"),
},
{
variantX: true,
key: []byte{29, 88, 60, 122, 132, 169, 46, 216, 198, 173, 23, 113, 110, 168, 8, 212, 151, 144, 4, 44, 118, 255, 71, 171, 118, 129, 131, 170, 130, 166, 178, 3},
ciphertext: []byte{104, 230, 41, 110, 223, 226, 92, 94, 25, 113, 53, 207, 148, 27, 143, 12, 249, 2, 194, 55, 70, 62, 128, 99, 59, 25, 148, 81, 15, 43, 211, 75, 204, 36, 86, 188, 149, 248, 170, 195, 113, 63, 6},
plaintext: []byte("bar"),
additionalData: []byte("foo"),
},
{
variantX: true,
key: []byte{109, 214, 107, 232, 251, 172, 155, 107, 143, 36, 100, 94, 48, 96, 74, 228, 126, 212, 169, 167, 59, 187, 66, 102, 57, 11, 188, 237, 2, 161, 112, 59},
ciphertext: []byte{94, 33, 238, 49, 22, 125, 92, 28, 237, 217, 33, 126, 99, 244, 241, 97, 189, 168, 111, 177, 4, 247, 209, 83, 193, 46, 55, 119, 33, 94, 200, 192, 130, 235, 150, 193, 221, 254, 8, 13, 56, 113, 23},
additionalData: []byte("baz"),
nonce: []byte{94, 33, 238, 49, 22, 125, 92, 28, 237, 217, 33, 126, 99, 244, 241, 97, 189, 168, 111, 177, 4, 247, 209, 83},
plaintext: []byte("qux"),
},
}
for _, v := range table {
var c *cipherman.ChaCha20Poly1305
var err error
if v.variantX {
c, err = cipherman.NewXChaCha20Poly1305(v.key)
} else {
c, err = cipherman.NewChaCha20Poly1305(v.key)
}
if err != nil {
t.Errorf("got %v, want nil", err)
} else if c == nil {
t.Error("got nil, want not nil")
}
pt, err := c.Decrypt(v.ciphertext, v.additionalData, v.nonce)
if err != nil {
t.Errorf("got %v, want nil", err)
} else if pt == nil {
t.Error("got nil, want not nil")
}
if !bytes.Equal(pt, v.plaintext) {
t.Errorf("got %v, want %v", pt, v.plaintext)
}
}
}
func BenchmarkChaCha20Poly1305_Decrypt(b *testing.B) {
c, err := cipherman.NewChaCha20Poly1305([]byte{33, 11, 142, 90, 184, 165, 144, 36, 107, 40, 101, 133, 200, 223, 203, 123, 134, 98, 129, 237, 223, 147, 6, 125, 98, 60, 193, 167, 78, 231, 119, 100})
if err != nil {
b.Errorf("got %v, want nil", err)
} else if c == nil {
b.Error("got nil, want not nil")
}
ct := []byte{63, 228, 7, 83, 255, 17, 234, 187, 254, 221, 45, 82, 116, 33, 207, 87, 189, 196, 20, 173, 93, 250, 47, 123, 57, 80, 31, 47, 183, 124, 200}
ad := []byte("foo")
for i := 0; i < b.N; i++ {
_, err := c.Decrypt(ct, ad, nil)
if err != nil {
b.Errorf("got %v, want nil", err)
}
}
}
func BenchmarkXChaCha20Poly1305_Decrypt(b *testing.B) {
c, err := cipherman.NewXChaCha20Poly1305([]byte{190, 53, 200, 194, 234, 122, 220, 12, 133, 91, 113, 85, 227, 171, 4, 32, 249, 7, 0, 222, 157, 1, 9, 165, 169, 96, 250, 73, 125, 77, 33, 28})
if err != nil {
b.Errorf("got %v, want nil", err)
} else if c == nil {
b.Error("got nil, want not nil")
}
ct := []byte{251, 206, 246, 30, 68, 62, 204, 253, 131, 135, 202, 218, 47, 15, 163, 74, 222, 127, 252, 193, 193, 170, 247, 207, 85, 244, 203, 105, 205, 183, 236, 75, 184, 45, 18, 128, 228, 62, 129, 57, 120, 100, 24}
ad := []byte("foo")
for i := 0; i < b.N; i++ {
_, err := c.Decrypt(ct, ad, nil)
if err != nil {
b.Errorf("got %v, want nil", err)
}
}
}
func genChacha20Poly1305Key() []byte {
key := make([]byte, chacha20poly1305.KeySize)
if _, err := io.ReadFull(rand.Reader, key); err != nil {
return nil
}
return key
}
func genChacha20Poly1305Nonce() []byte {
nonce := make([]byte, chacha20poly1305.NonceSize)
if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
return nil
}
return nonce
}
func genChacha20Poly1305NonceX() []byte {
nonce := make([]byte, chacha20poly1305.NonceSizeX)
if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
return nil
}
return nonce
}