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package jose
import (
"crypto"
"crypto/ecdsa"
"crypto/ed25519"
"crypto/elliptic"
"crypto/rand"
"crypto/rsa"
"encoding/base64"
"strings"
"testing"
"github.com/smallstep/assert"
)
const (
ecdsaPublicKey keyType = iota
ecdsaPrivateKey
ed25519PublicKey
ed25519PrivateKey
rsaPublicKey
rsaPrivateKey
octKey
)
type testdata struct {
typ keyType
encrypted bool
}
var files = map[string]testdata{
"testdata/oct.json": {octKey, false},
"testdata/oct.enc.json": {octKey, true},
"testdata/okp.pub.json": {ed25519PublicKey, false},
"testdata/okp.priv.json": {ed25519PrivateKey, false},
"testdata/okp.enc.priv.json": {ed25519PrivateKey, true},
"testdata/p256.pub.json": {ecdsaPublicKey, false},
"testdata/p256.priv.json": {ecdsaPrivateKey, false},
"testdata/p256.enc.priv.json": {ecdsaPrivateKey, true},
"testdata/rsa.pub.json": {rsaPublicKey, false},
"testdata/rsa.priv.json": {rsaPrivateKey, false},
"testdata/rsa.enc.priv.json": {rsaPrivateKey, true},
}
var pemFiles = map[string]testdata{
"../crypto/pemutil/testdata/openssl.p256.pem": {ecdsaPrivateKey, false},
"../crypto/pemutil/testdata/openssl.p256.pub.pem": {ecdsaPublicKey, false},
"../crypto/pemutil/testdata/openssl.p256.enc.pem": {ecdsaPrivateKey, true},
"../crypto/pemutil/testdata/openssl.p384.pem": {ecdsaPrivateKey, false},
"../crypto/pemutil/testdata/openssl.p384.pub.pem": {ecdsaPublicKey, false},
"../crypto/pemutil/testdata/openssl.p384.enc.pem": {ecdsaPrivateKey, true},
"../crypto/pemutil/testdata/openssl.p521.pem": {ecdsaPrivateKey, false},
"../crypto/pemutil/testdata/openssl.p521.pub.pem": {ecdsaPublicKey, false},
"../crypto/pemutil/testdata/openssl.p521.enc.pem": {ecdsaPrivateKey, true},
"../crypto/pemutil/testdata/openssl.rsa1024.pem": {rsaPrivateKey, false},
"../crypto/pemutil/testdata/openssl.rsa1024.pub.pem": {rsaPublicKey, false},
"../crypto/pemutil/testdata/openssl.rsa1024.enc.pem": {rsaPrivateKey, true},
"../crypto/pemutil/testdata/openssl.rsa2048.pem": {rsaPrivateKey, false},
"../crypto/pemutil/testdata/openssl.rsa2048.pub.pem": {rsaPublicKey, false},
"../crypto/pemutil/testdata/openssl.rsa2048.enc.pem": {rsaPrivateKey, true},
"../crypto/pemutil/testdata/pkcs8/openssl.ed25519.pem": {ed25519PrivateKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.ed25519.pub.pem": {ed25519PublicKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.ed25519.enc.pem": {ed25519PrivateKey, true},
"../crypto/pemutil/testdata/pkcs8/openssl.p256.pem": {ecdsaPrivateKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.p256.pub.pem": {ecdsaPublicKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.p256.enc.pem": {ecdsaPrivateKey, true},
"../crypto/pemutil/testdata/pkcs8/openssl.p384.pem": {ecdsaPrivateKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.p384.pub.pem": {ecdsaPublicKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.p384.enc.pem": {ecdsaPrivateKey, true},
"../crypto/pemutil/testdata/pkcs8/openssl.p521.pem": {ecdsaPrivateKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.p521.pub.pem": {ecdsaPublicKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.p521.enc.pem": {ecdsaPrivateKey, true},
"../crypto/pemutil/testdata/pkcs8/openssl.rsa2048.pem": {rsaPrivateKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.rsa2048.pub.pem": {rsaPublicKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.rsa2048.enc.pem": {rsaPrivateKey, true},
"../crypto/pemutil/testdata/pkcs8/openssl.rsa4096.pem": {rsaPrivateKey, false},
"../crypto/pemutil/testdata/pkcs8/openssl.rsa4096.pub.pem": {rsaPublicKey, false},
}
func validateParseKey(t *testing.T, fn, pass string, td testdata) {
var err error
var jwk *JSONWebKey
if td.encrypted {
jwk, err = ParseKey(fn, WithPassword([]byte(pass)))
} else {
jwk, err = ParseKey(fn)
}
assert.NoError(t, err)
assert.NoError(t, ValidateJWK(jwk))
switch td.typ {
case ecdsaPublicKey:
assert.Type(t, &ecdsa.PublicKey{}, jwk.Key)
case ecdsaPrivateKey:
assert.Type(t, &ecdsa.PrivateKey{}, jwk.Key)
case ed25519PublicKey:
assert.Type(t, ed25519.PublicKey{}, jwk.Key)
case ed25519PrivateKey:
assert.Type(t, ed25519.PrivateKey{}, jwk.Key)
case rsaPublicKey:
assert.Type(t, &rsa.PublicKey{}, jwk.Key)
case rsaPrivateKey:
assert.Type(t, &rsa.PrivateKey{}, jwk.Key)
case octKey:
assert.Type(t, []byte{}, jwk.Key)
default:
t.Errorf("type %T not supported", jwk.Key)
}
if jwk.IsPublic() == false && jwk.KeyID != "" {
hash, err := jwk.Thumbprint(crypto.SHA256)
assert.NoError(t, err)
assert.Equals(t, base64.RawURLEncoding.EncodeToString(hash), jwk.KeyID)
}
if td.encrypted {
jwkPriv, err := ParseKey(strings.Replace(fn, ".enc", "", 1))
assert.NoError(t, err)
assert.Equals(t, jwkPriv, jwk)
}
}
func TestParseKey(t *testing.T) {
for fn, td := range files {
validateParseKey(t, fn, "password", td)
}
for fn, td := range pemFiles {
validateParseKey(t, fn, "mypassword", td)
}
}
func TestParseKeyPasswordFile(t *testing.T) {
jwk, err := ParseKey("testdata/oct.txt", WithAlg("HS256"), WithUse("sig"), WithKid("the-kid"))
assert.FatalError(t, err)
assert.Equals(t, []byte("a true random password"), jwk.Key)
assert.Equals(t, HS256, jwk.Algorithm)
assert.Equals(t, "sig", jwk.Use)
assert.Equals(t, "the-kid", jwk.KeyID)
}
func TestParseKeySet(t *testing.T) {
jwk, err := ParseKeySet("testdata/jwks.json", WithKid("VjIIRw8jzUM58xrVkc4_g9Tfe2MrPPr8GM8Kjijzqus"))
assert.NoError(t, err)
assert.Type(t, ed25519.PublicKey{}, jwk.Key)
assert.Equals(t, "VjIIRw8jzUM58xrVkc4_g9Tfe2MrPPr8GM8Kjijzqus", jwk.KeyID)
jwk, err = ParseKeySet("testdata/jwks.json", WithKid("V93A-Yh7Bhw1W2E0igFciviJzX4PXPswoVgriehm9Co"))
assert.NoError(t, err)
assert.Type(t, &ecdsa.PublicKey{}, jwk.Key)
assert.Equals(t, "V93A-Yh7Bhw1W2E0igFciviJzX4PXPswoVgriehm9Co", jwk.KeyID)
jwk, err = ParseKeySet("testdata/jwks.json", WithKid("duplicated"))
assert.Error(t, err)
assert.Equals(t, "multiple keys with kid duplicated have been found on testdata/jwks.json", err.Error())
assert.Nil(t, jwk)
jwk, err = ParseKeySet("testdata/jwks.json", WithKid("missing"))
assert.Error(t, err)
assert.Equals(t, "cannot find key with kid missing on testdata/jwks.json", err.Error())
assert.Nil(t, jwk)
jwk, err = ParseKeySet("testdata/empty.json", WithKid("missing"))
assert.Error(t, err)
assert.Equals(t, "cannot find key with kid missing on testdata/empty.json", err.Error())
assert.Nil(t, jwk)
}
func TestGuessJWKAlgorithm(t *testing.T) {
p256, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
assert.FatalError(t, err)
p384, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
assert.FatalError(t, err)
p521, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
assert.FatalError(t, err)
rsa, err := rsa.GenerateKey(rand.Reader, 2048)
assert.FatalError(t, err)
edPub, edPriv, err := ed25519.GenerateKey(rand.Reader)
assert.FatalError(t, err)
tests := []struct {
jwk *JSONWebKey
expected string
}{
{&JSONWebKey{Key: []byte{}, Use: ""}, HS256},
{&JSONWebKey{Key: []byte{}, Use: "sig"}, HS256},
{&JSONWebKey{Key: []byte{}, Use: "enc"}, "A256GCMKW"},
{&JSONWebKey{Key: p256, Use: ""}, ES256},
{&JSONWebKey{Key: p384, Use: "sig"}, ES384},
{&JSONWebKey{Key: p521, Use: "enc"}, "ECDH-ES"},
{&JSONWebKey{Key: p256.Public(), Use: ""}, ES256},
{&JSONWebKey{Key: p384.Public(), Use: "sig"}, ES384},
{&JSONWebKey{Key: p521.Public(), Use: "enc"}, "ECDH-ES"},
{&JSONWebKey{Key: rsa, Use: ""}, RS256},
{&JSONWebKey{Key: rsa, Use: "sig"}, RS256},
{&JSONWebKey{Key: rsa, Use: "enc"}, "RSA-OAEP-256"},
{&JSONWebKey{Key: rsa.Public(), Use: ""}, RS256},
{&JSONWebKey{Key: rsa.Public(), Use: "sig"}, RS256},
{&JSONWebKey{Key: rsa.Public(), Use: "enc"}, "RSA-OAEP-256"},
{&JSONWebKey{Key: edPub, Use: ""}, EdDSA},
{&JSONWebKey{Key: edPub, Use: "sig"}, EdDSA},
{&JSONWebKey{Key: edPriv, Use: ""}, EdDSA},
{&JSONWebKey{Key: edPriv, Use: "sig"}, EdDSA},
}
// With context
ctx, err := new(context).apply(WithAlg(HS256))
assert.NoError(t, err)
jwk := &JSONWebKey{Key: []byte("password")}
guessJWKAlgorithm(ctx, jwk)
assert.Equals(t, HS256, jwk.Algorithm)
// With algorithm set
ctx, err = new(context).apply(WithAlg(HS256))
assert.NoError(t, err)
jwk = &JSONWebKey{Key: []byte("password"), Algorithm: HS384}
guessJWKAlgorithm(ctx, jwk)
assert.Equals(t, HS384, jwk.Algorithm)
// Defaults
for _, tc := range tests {
guessJWKAlgorithm(new(context), tc.jwk)
assert.Equals(t, tc.expected, tc.jwk.Algorithm)
}
}
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