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credential_test.go
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credential_test.go
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/*
Copyright 2019-present Faye Amacker.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package webauthn
import (
"bytes"
"crypto"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rsa"
"crypto/x509"
"math/big"
"reflect"
"strings"
"testing"
"github.com/fxamacker/cbor/v2"
)
const (
labelKty = 1
labelAlg = 3
labelCrv = -1
labelX = -2
labelY = -3
labelN = -1
labelE = -2
)
var (
coseKeyES256 = map[int]interface{}{
labelKty: coseKeyTypeEllipticCurve,
labelAlg: COSEAlgES256,
labelCrv: coseCurveP256,
labelX: []byte{0x65, 0xed, 0xa5, 0xa1, 0x25, 0x77, 0xc2, 0xba, 0xe8, 0x29, 0x43, 0x7f, 0xe3, 0x38, 0x70, 0x1a, 0x10, 0xaa, 0xa3, 0x75, 0xe1, 0xbb, 0x5b, 0x5d, 0xe1, 0x08, 0xde, 0x43, 0x9c, 0x08, 0x55, 0x1d},
labelY: []byte{0x1e, 0x52, 0xed, 0x75, 0x70, 0x11, 0x63, 0xf7, 0xf9, 0xe4, 0x0d, 0xdf, 0x9f, 0x34, 0x1b, 0x3d, 0xc9, 0xba, 0x86, 0x0a, 0xf7, 0xe0, 0xca, 0x7c, 0xa7, 0xe9, 0xee, 0xcd, 0x00, 0x84, 0xd1, 0x9c},
}
publicKeyES256 = &ecdsa.PublicKey{
Curve: elliptic.P256(),
X: big.NewInt(0).SetBytes([]byte{0x65, 0xed, 0xa5, 0xa1, 0x25, 0x77, 0xc2, 0xba, 0xe8, 0x29, 0x43, 0x7f, 0xe3, 0x38, 0x70, 0x1a, 0x10, 0xaa, 0xa3, 0x75, 0xe1, 0xbb, 0x5b, 0x5d, 0xe1, 0x08, 0xde, 0x43, 0x9c, 0x08, 0x55, 0x1d}),
Y: big.NewInt(0).SetBytes([]byte{0x1e, 0x52, 0xed, 0x75, 0x70, 0x11, 0x63, 0xf7, 0xf9, 0xe4, 0x0d, 0xdf, 0x9f, 0x34, 0x1b, 0x3d, 0xc9, 0xba, 0x86, 0x0a, 0xf7, 0xe0, 0xca, 0x7c, 0xa7, 0xe9, 0xee, 0xcd, 0x00, 0x84, 0xd1, 0x9c}),
}
publicKeyES256PEM = `-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEZe2loSV3wrroKUN/4zhwGhCqo3Xh
u1td4QjeQ5wIVR0eUu11cBFj9/nkDd+fNBs9ybqGCvfgynyn6e7NAITRnA==
-----END PUBLIC KEY-----
`
coseKeyPS256 = map[int]interface{}{
labelKty: coseKeyTypeRSA,
labelAlg: COSEAlgPS256,
labelN: []byte{
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
},
labelE: []byte{0x00, 0x01, 0x00, 0x01},
}
publicKeyPS256 = &rsa.PublicKey{
N: big.NewInt(0).SetBytes([]byte{
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
}),
E: 65537,
}
publicKeyPS256PEM = `-----BEGIN PUBLIC KEY-----
MIIBITANBgkqhkiG9w0BAQEFAAOCAQ4AMIIBCQKCAQABAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AgMBAAE=
-----END PUBLIC KEY-----
`
coseKeyRS256 = map[int]interface{}{
labelKty: coseKeyTypeRSA,
labelAlg: COSEAlgRS256,
labelN: []byte{
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
},
labelE: []byte{0x00, 0x01, 0x00, 0x01},
}
publicKeyRS256 = &rsa.PublicKey{
N: big.NewInt(0).SetBytes([]byte{
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
}),
E: 65537,
}
publicKeyRS256PEM = `-----BEGIN PUBLIC KEY-----
MIIBITANBgkqhkiG9w0BAQEFAAOCAQ4AMIIBCQKCAQABAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB
AgMBAAE=
-----END PUBLIC KEY-----
`
// incomplete input data
incompleteKey = map[int]interface{}{
labelKty: coseKeyTypeEllipticCurve,
labelAlg: COSEAlgES256,
}
// invalid alg data type
invalidAlg = copyKey(coseKeyES256).modify(labelAlg, "wrong data type")
// missing alg
missingAlg = copyKey(coseKeyES256).remove(labelAlg)
// unsupported alg
unsupportedAlg = copyKey(coseKeyRS256).modify(labelAlg, -8) // EdDSA
// invalid kty data type
invalidKty = copyKey(coseKeyES256).modify(labelKty, "wrong data type")
// missing kty
missingKty = copyKey(coseKeyES256).remove(labelKty)
// mismatch alg + kty
mismatchAlgKty1 = copyKey(coseKeyES256).modify(labelKty, coseKeyTypeRSA)
// mismatch alg + kty
mismatchAlgKty2 = copyKey(coseKeyRS256).modify(labelKty, coseKeyTypeEllipticCurve)
// invalid curve data type
invalidCurve = copyKey(coseKeyES256).modify(labelCrv, "wrong data type")
// missing curve
missingCurve = copyKey(coseKeyES256).remove(labelCrv).modify(10, 1) // add additional entry to keep map size the same after removing curve entry
// unsupported curve
unsupportedCurve = copyKey(coseKeyES256).modify(labelCrv, 4)
// invalid x data type
invalidX = copyKey(coseKeyES256).modify(labelX, 1)
// missing x
missingX = copyKey(coseKeyES256).remove(labelX).modify(10, 1) // add additional entry to keep map size the same after removing curve entry
// invalid y data type
invalidY = copyKey(coseKeyES256).modify(labelY, 1)
// missing y
missingY = copyKey(coseKeyES256).remove(labelY).modify(10, 1) // add additional entry to keep map size the same after removing curve entry
// invalid n data type
invalidN = copyKey(coseKeyRS256).modify(labelN, 1)
// missing n
missingN = copyKey(coseKeyRS256).remove(labelN).modify(10, 1) // add additional entry to keep map size the same after removing curve entry
// invalid e data type
invalidE = copyKey(coseKeyRS256).modify(labelE, 1)
// missing e
missingE = copyKey(coseKeyRS256).remove(labelE).modify(10, 1) // add additional entry to keep map size the same after removing curve entry
)
type parseCredentialTest struct {
name string
data []byte
wantSigAlg x509.SignatureAlgorithm
wantPublicKey crypto.PublicKey
wantPublicKeyPEM []byte
}
type parseCredentialErrorTest struct {
name string
data []byte
wantErrorMsg string
}
var parseCredentialTests = []parseCredentialTest{
{"ES256", cborMarshal(coseKeyES256), x509.ECDSAWithSHA256, publicKeyES256, []byte(publicKeyES256PEM)},
{"PS256", cborMarshal(coseKeyPS256), x509.SHA256WithRSAPSS, publicKeyPS256, []byte(publicKeyPS256PEM)},
{"RS256", cborMarshal(coseKeyRS256), x509.SHA256WithRSA, publicKeyRS256, []byte(publicKeyRS256PEM)},
}
var parseCredentialErrorTests = []parseCredentialErrorTest{
{"invalid cbor data", []byte("hello"), "credential: failed to unmarshal: EOF"},
{"incomplete input data", cborMarshal(incompleteKey), "credential: missing ECDSA curve"},
{"invalid alg data type", cborMarshal(invalidAlg), "credential: failed to unmarshal: cbor: cannot unmarshal"},
{"missing alg", cborMarshal(missingAlg), "webauthn: COSE algorithm 0 is not registered"},
{"unsupported alg", cborMarshal(unsupportedAlg), "COSE algorithm -8 is not registered"},
{"invalid kty data type", cborMarshal(invalidKty), "credential: failed to unmarshal: cbor: cannot unmarshal"},
{"missing kty", cborMarshal(missingKty), "webauthn: credential of COSE key type 0 and algorithm -7 is not supported"},
{"mismatched alg and kty", cborMarshal(mismatchAlgKty1), "credential: COSE key type 3 and algorithm -7 are mismatched"},
{"mismatched alg and kty", cborMarshal(mismatchAlgKty2), "credential: COSE key type 2 and algorithm -257 are mismatched"},
{"invalid curve data type", cborMarshal(invalidCurve), "credential: invalid ECDSA curve"},
{"missing curve", cborMarshal(missingCurve), "credential: missing ECDSA curve"},
{"unsupported curve", cborMarshal(unsupportedCurve), "credential COSE curve 4 is not supported"},
{"invalid x data type", cborMarshal(invalidX), "credential: invalid ECDSA x"},
{"missing x", cborMarshal(missingX), "credential: missing ECDSA x"},
{"invalid y data type", cborMarshal(invalidY), "credential: invalid ECDSA y"},
{"missing y", cborMarshal(missingY), "credential: missing ECDSA y"},
{"invalid n data type", cborMarshal(invalidN), "credential: invalid RSA n"},
{"missing n", cborMarshal(missingN), "credential: missing RSA n"},
{"invalid e data type", cborMarshal(invalidE), "credential: invalid RSA e"},
{"missing e", cborMarshal(missingE), "credential: missing RSA e"},
}
func cborMarshal(itf interface{}) []byte {
em, _ := cbor.EncOptions{Sort: cbor.SortCanonical}.EncMode()
data, err := em.Marshal(itf)
if err != nil {
panic(err)
}
return data
}
type coseKey map[int]interface{}
func copyKey(key coseKey) coseKey {
copy := make(map[int]interface{})
for k, v := range map[int]interface{}(key) {
copy[k] = v
}
return copy
}
func (key coseKey) modify(k int, v interface{}) coseKey {
key[k] = v
return key
}
func (key coseKey) remove(k int) coseKey {
delete(key, k)
return key
}
func TestParseCredential(t *testing.T) {
for _, tc := range parseCredentialTests {
t.Run(tc.name, func(t *testing.T) {
credential, rest, err := ParseCredential(tc.data)
if err != nil {
t.Fatalf("ParseCredential() returns error %q", err)
}
if len(rest) != 0 {
t.Errorf("ParseCredential() returns rest %v, want empty slice", rest)
}
if !bytes.Equal(credential.Raw, tc.data) {
t.Errorf("credential raw is %v, want %v", credential.Raw, tc.data)
}
if credential.Algorithm != tc.wantSigAlg {
t.Errorf("credential algorithm is %s, want %s", credential.Algorithm, tc.wantSigAlg)
}
if !reflect.DeepEqual(credential.PublicKey, tc.wantPublicKey) {
t.Errorf("credential public key is %v, want %v", credential.PublicKey, tc.wantPublicKey)
}
gotPEM, err := credential.MarshalPKIXPublicKeyPEM()
if err != nil {
t.Errorf("MarshalPKIXPublicKeyPEM() returns error %q", err)
}
if !bytes.Equal(gotPEM, tc.wantPublicKeyPEM) {
t.Errorf("MarshalPKIXPublicKeyPEM() returns %q, want %q", gotPEM, tc.wantPublicKeyPEM)
}
})
}
}
func TestParseCredentialError(t *testing.T) {
for _, tc := range parseCredentialErrorTests {
t.Run(tc.name, func(t *testing.T) {
if _, _, err := ParseCredential(tc.data); err == nil {
t.Errorf("parseCredential() returns no error, want error containing substring %q", tc.wantErrorMsg)
} else if !strings.Contains(err.Error(), tc.wantErrorMsg) {
t.Errorf("parseCredential() returns error %q, want error containing substring %q", err, tc.wantErrorMsg)
}
})
}
}