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|
package jwt_test
import (
"crypto/ecdsa"
"os"
"reflect"
"strings"
"testing"
"github.com/golang-jwt/jwt/v5"
)
var ecdsaTestData = []struct {
name string
keys map[string]string
tokenString string
alg string
claims map[string]interface{}
valid bool
}{
{
"Basic ES256",
map[string]string{"private": "test/ec256-private.pem", "public": "test/ec256-public.pem"},
"eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiJ9.eyJmb28iOiJiYXIifQ.feG39E-bn8HXAKhzDZq7yEAPWYDhZlwTn3sePJnU9VrGMmwdXAIEyoOnrjreYlVM_Z4N13eK9-TmMTWyfKJtHQ",
"ES256",
map[string]interface{}{"foo": "bar"},
true,
},
{
"Basic ES384",
map[string]string{"private": "test/ec384-private.pem", "public": "test/ec384-public.pem"},
"eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzM4NCJ9.eyJmb28iOiJiYXIifQ.ngAfKMbJUh0WWubSIYe5GMsA-aHNKwFbJk_wq3lq23aPp8H2anb1rRILIzVR0gUf4a8WzDtrzmiikuPWyCS6CN4-PwdgTk-5nehC7JXqlaBZU05p3toM3nWCwm_LXcld",
"ES384",
map[string]interface{}{"foo": "bar"},
true,
},
{
"Basic ES512",
map[string]string{"private": "test/ec512-private.pem", "public": "test/ec512-public.pem"},
"eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzUxMiJ9.eyJmb28iOiJiYXIifQ.AAU0TvGQOcdg2OvrwY73NHKgfk26UDekh9Prz-L_iWuTBIBqOFCWwwLsRiHB1JOddfKAls5do1W0jR_F30JpVd-6AJeTjGKA4C1A1H6gIKwRY0o_tFDIydZCl_lMBMeG5VNFAjO86-WCSKwc3hqaGkq1MugPRq_qrF9AVbuEB4JPLyL5",
"ES512",
map[string]interface{}{"foo": "bar"},
true,
},
{
"basic ES256 invalid: foo => bar",
map[string]string{"private": "test/ec256-private.pem", "public": "test/ec256-public.pem"},
"eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIifQ.MEQCIHoSJnmGlPaVQDqacx_2XlXEhhqtWceVopjomc2PJLtdAiAUTeGPoNYxZw0z8mgOnnIcjoxRuNDVZvybRZF3wR1l8W",
"ES256",
map[string]interface{}{"foo": "bar"},
false,
},
}
func TestECDSAVerify(t *testing.T) {
for _, data := range ecdsaTestData {
var err error
key, _ := os.ReadFile(data.keys["public"])
var ecdsaKey *ecdsa.PublicKey
if ecdsaKey, err = jwt.ParseECPublicKeyFromPEM(key); err != nil {
t.Errorf("Unable to parse ECDSA public key: %v", err)
}
parts := strings.Split(data.tokenString, ".")
method := jwt.GetSigningMethod(data.alg)
err = method.Verify(strings.Join(parts[0:2], "."), decodeSegment(t, parts[2]), ecdsaKey)
if data.valid && err != nil {
t.Errorf("[%v] Error while verifying key: %v", data.name, err)
}
if !data.valid && err == nil {
t.Errorf("[%v] Invalid key passed validation", data.name)
}
}
}
func TestECDSASign(t *testing.T) {
for _, data := range ecdsaTestData {
var err error
key, _ := os.ReadFile(data.keys["private"])
var ecdsaKey *ecdsa.PrivateKey
if ecdsaKey, err = jwt.ParseECPrivateKeyFromPEM(key); err != nil {
t.Errorf("Unable to parse ECDSA private key: %v", err)
}
if data.valid {
parts := strings.Split(data.tokenString, ".")
toSign := strings.Join(parts[0:2], ".")
method := jwt.GetSigningMethod(data.alg)
sig, err := method.Sign(toSign, ecdsaKey)
if err != nil {
t.Errorf("[%v] Error signing token: %v", data.name, err)
}
ssig := encodeSegment(sig)
if ssig == parts[2] {
t.Errorf("[%v] Identical signatures\nbefore:\n%v\nafter:\n%v", data.name, parts[2], ssig)
}
err = method.Verify(toSign, sig, ecdsaKey.Public())
if err != nil {
t.Errorf("[%v] Sign produced an invalid signature: %v", data.name, err)
}
}
}
}
func BenchmarkECDSAParsing(b *testing.B) {
for _, data := range ecdsaTestData {
key, _ := os.ReadFile(data.keys["private"])
b.Run(data.name, func(b *testing.B) {
b.ReportAllocs()
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
if _, err := jwt.ParseECPrivateKeyFromPEM(key); err != nil {
b.Fatalf("Unable to parse ECDSA private key: %v", err)
}
}
})
})
}
}
func BenchmarkECDSASigning(b *testing.B) {
for _, data := range ecdsaTestData {
key, _ := os.ReadFile(data.keys["private"])
ecdsaKey, err := jwt.ParseECPrivateKeyFromPEM(key)
if err != nil {
b.Fatalf("Unable to parse ECDSA private key: %v", err)
}
method := jwt.GetSigningMethod(data.alg)
b.Run(data.name, func(b *testing.B) {
benchmarkSigning(b, method, ecdsaKey)
})
// Directly call method.Sign without the decoration of *Token.
b.Run(data.name+"/sign-only", func(b *testing.B) {
if !data.valid {
b.Skipf("Skipping because data is not valid")
}
parts := strings.Split(data.tokenString, ".")
toSign := strings.Join(parts[0:2], ".")
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
sig, err := method.Sign(toSign, ecdsaKey)
if err != nil {
b.Fatalf("[%v] Error signing token: %v", data.name, err)
}
if reflect.DeepEqual(sig, decodeSegment(b, parts[2])) {
b.Fatalf("[%v] Identical signatures\nbefore:\n%v\nafter:\n%v", data.name, parts[2], sig)
}
}
})
}
}
func decodeSegment(t interface{ Fatalf(string, ...any) }, signature string) (sig []byte) {
var err error
sig, err = jwt.NewParser().DecodeSegment(signature)
if err != nil {
t.Fatalf("could not decode segment: %v", err)
}
return
}
func encodeSegment(sig []byte) string {
return (&jwt.Token{}).EncodeSegment(sig)
}
|
