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package httpsign
import (
"crypto/ecdsa"
"crypto/ed25519"
"crypto/elliptic"
"crypto/mldsa"
"crypto/rand"
"crypto/rsa"
"strings"
"testing"
"github.com/lestrrat-go/jwx/v4/jwa"
"github.com/stretchr/testify/require"
)
func TestValidateJWSKeyAlgPassthrough(t *testing.T) {
// Unknown / future algs are left to jwx (default branch). Constructors reject
// unregistered names first via resolveRegisteredJWSAlg.
require.NoError(t, validateJWSKeyAlg(jwa.EmptySignatureAlgorithm(), []byte("x"), true))
}
func TestResolveRegisteredJWSAlg(t *testing.T) {
got, err := resolveRegisteredJWSAlg(jwa.NewSignatureAlgorithm("HS256"))
require.NoError(t, err)
require.Equal(t, jwa.HS256(), got)
_, err = resolveRegisteredJWSAlg(jwa.EmptySignatureAlgorithm())
require.Error(t, err)
_, err = resolveRegisteredJWSAlg(jwa.NoSignature())
require.Error(t, err)
_, err = resolveRegisteredJWSAlg(jwa.NewSignatureAlgorithm("NONE"))
require.Error(t, err)
_, err = resolveRegisteredJWSAlg(jwa.NewSignatureAlgorithm("totally-made-up"))
require.Error(t, err)
}
func TestValidateHMACKey(t *testing.T) {
require.NoError(t, validateHMACKey(jwa.HS256(), []byte(strings.Repeat("a", 32))))
require.NoError(t, validateHMACKey(jwa.HS384(), []byte(strings.Repeat("a", 48))))
require.NoError(t, validateHMACKey(jwa.HS512(), []byte(strings.Repeat("a", 64))))
require.Error(t, validateHMACKey(jwa.HS256(), "not-bytes"))
require.Error(t, validateHMACKey(jwa.HS384(), []byte(strings.Repeat("a", 47))))
require.Error(t, validateHMACKey(jwa.HS512(), []byte(strings.Repeat("a", 63))))
require.Error(t, validateHMACKey(jwa.ES256(), []byte(strings.Repeat("a", 32)))) // unsupported HMAC alg
}
func TestValidateRSAKey(t *testing.T) {
priv, err := rsa.GenerateKey(rand.Reader, 1024)
require.NoError(t, err)
pub := &priv.PublicKey
require.NoError(t, validateRSAKey(jwa.RS256(), priv, true))
require.NoError(t, validateRSAKey(jwa.PS256(), pub, false))
require.NoError(t, validateRSAKey(jwa.RS384(), *priv, true))
require.NoError(t, validateRSAKey(jwa.RS512(), *pub, false))
var nilPriv *rsa.PrivateKey
var nilPub *rsa.PublicKey
require.Error(t, validateRSAKey(jwa.RS256(), nilPriv, true))
require.Error(t, validateRSAKey(jwa.RS256(), nilPub, false))
require.Error(t, validateRSAKey(jwa.RS256(), priv, false)) // private for verify
require.Error(t, validateRSAKey(jwa.RS256(), *priv, false)) // value private for verify
require.Error(t, validateRSAKey(jwa.RS256(), pub, true)) // public for sign
require.Error(t, validateRSAKey(jwa.RS256(), *pub, true)) // value public for sign
require.Error(t, validateRSAKey(jwa.RS256(), []byte("x"), true))
}
func TestValidateECDSAKey(t *testing.T) {
p256, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
require.NoError(t, err)
p384, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
require.NoError(t, err)
p521, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
require.NoError(t, err)
require.NoError(t, validateECDSAKey(jwa.ES256(), p256, true))
require.NoError(t, validateECDSAKey(jwa.ES256(), &p256.PublicKey, false))
require.NoError(t, validateECDSAKey(jwa.ES384(), p384, true))
require.NoError(t, validateECDSAKey(jwa.ES512(), p521, true))
// value types via ecdsaKeyOf
require.NoError(t, validateECDSAKey(jwa.ES256(), *p256, true))
require.NoError(t, validateECDSAKey(jwa.ES256(), p256.PublicKey, false))
require.Error(t, validateECDSAKey(jwa.ES256(), []byte("x"), true))
require.Error(t, validateECDSAKey(jwa.ES256(), &p256.PublicKey, true))
require.Error(t, validateECDSAKey(jwa.ES256(), p256, false))
require.Error(t, validateECDSAKey(jwa.ES256(), &ecdsa.PublicKey{Curve: nil}, false))
require.Error(t, validateECDSAKey(jwa.ES256(), p384, true)) // curve mismatch
require.Error(t, validateECDSAKey(jwa.HS256(), p256, true)) // unsupported ECDSA alg
var nilPriv *ecdsa.PrivateKey
var nilPub *ecdsa.PublicKey
_, _, ok := ecdsaKeyOf(nilPriv)
require.False(t, ok)
_, _, ok = ecdsaKeyOf(nilPub)
require.False(t, ok)
_, _, ok = ecdsaKeyOf("nope")
require.False(t, ok)
}
func TestValidateEd25519Key(t *testing.T) {
pub, priv, err := ed25519.GenerateKey(rand.Reader)
require.NoError(t, err)
require.NoError(t, validateEd25519Key(jwa.EdDSA(), priv, true))
require.NoError(t, validateEd25519Key(jwa.EdDSAEd25519(), pub, false))
require.NoError(t, validateEd25519Key(jwa.EdDSA(), &priv, true))
require.NoError(t, validateEd25519Key(jwa.EdDSA(), &pub, false))
require.Error(t, validateEd25519Key(jwa.EdDSA(), ed25519.PrivateKey(strings.Repeat("a", 63)), true))
require.Error(t, validateEd25519Key(jwa.EdDSA(), priv, false))
require.Error(t, validateEd25519Key(jwa.EdDSA(), ed25519.PublicKey(strings.Repeat("a", 31)), false))
require.Error(t, validateEd25519Key(jwa.EdDSA(), pub, true))
var nilPriv *ed25519.PrivateKey
var nilPub *ed25519.PublicKey
require.Error(t, validateEd25519Key(jwa.EdDSA(), nilPriv, true))
require.Error(t, validateEd25519Key(jwa.EdDSA(), nilPub, false))
badPriv := ed25519.PrivateKey(strings.Repeat("a", 63))
badPub := ed25519.PublicKey(strings.Repeat("a", 31))
require.Error(t, validateEd25519Key(jwa.EdDSA(), &badPriv, true))
require.Error(t, validateEd25519Key(jwa.EdDSA(), &badPub, false))
require.Error(t, validateEd25519Key(jwa.EdDSA(), &priv, false))
require.Error(t, validateEd25519Key(jwa.EdDSA(), &pub, true))
require.Error(t, validateEd25519Key(jwa.EdDSA(), []byte("x"), true))
}
func TestValidateMLDSAKey(t *testing.T) {
priv44, err := mldsa.GenerateKey(mldsa.MLDSA44())
require.NoError(t, err)
pub44 := priv44.Public().(*mldsa.PublicKey)
priv65, err := mldsa.GenerateKey(mldsa.MLDSA65())
require.NoError(t, err)
require.NoError(t, validateMLDSAKey(jwa.MLDSA44(), priv44, true))
require.NoError(t, validateMLDSAKey(jwa.MLDSA44(), pub44, false))
require.Error(t, validateMLDSAKey(jwa.MLDSA44(), pub44, true))
require.Error(t, validateMLDSAKey(jwa.MLDSA44(), priv44, false))
require.Error(t, validateMLDSAKey(jwa.MLDSA44(), priv65, true)) // params mismatch
require.Error(t, validateMLDSAKey(jwa.MLDSA44(), []byte("x"), true))
require.Error(t, validateMLDSAKey(jwa.HS256(), priv44, true)) // unsupported ML-DSA alg
var nilPriv *mldsa.PrivateKey
var nilPub *mldsa.PublicKey
_, _, ok := mldsaKeyOf(nilPriv)
require.False(t, ok)
_, _, ok = mldsaKeyOf(nilPub)
require.False(t, ok)
_, _, ok = mldsaKeyOf("nope")
require.False(t, ok)
}