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key_test.go
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package cose
import (
"crypto"
"crypto/ecdsa"
"crypto/ed25519"
"crypto/elliptic"
"crypto/rand"
"encoding/hex"
"math/big"
"reflect"
"strconv"
"testing"
)
func TestKey_ParamBytes(t *testing.T) {
key := &Key{
Params: map[any]any{
int64(-1): []byte{1},
2: []byte{2},
uint16(3): []byte{3},
"foo": ed25519.PublicKey([]byte{4}),
5: 5,
},
}
tests := []struct {
label any
want []byte
want1 bool
}{
{int64(-1), []byte{1}, true},
{2, []byte{2}, true},
{uint16(3), []byte{3}, true},
{3, nil, false},
{5, nil, false},
{"foo", []byte{4}, true},
{"bar", nil, false},
}
for i, tt := range tests {
t.Run(strconv.Itoa(i), func(t *testing.T) {
got, got1 := key.ParamBytes(tt.label)
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("Key.ParamBytes() got = %v, want %v", got, tt.want)
}
if got1 != tt.want1 {
t.Errorf("Key.ParamBytes() got1 = %v, want %v", got1, tt.want1)
}
})
}
}
func TestKey_ParamInt(t *testing.T) {
type i16 int16
type u16 uint16
key := &Key{
Params: map[any]any{
int64(-1): 1,
2: int8(2),
uint16(3): i16(3),
uint16(6): u16(3),
"foo": -4,
5: []byte{5},
},
}
tests := []struct {
label any
want int64
want1 bool
}{
{int64(-1), 1, true},
{2, 2, true},
{uint16(3), 3, true},
{3, 0, false},
{5, 0, false},
{uint16(6), 0, false},
{"foo", -4, true},
{"bar", 0, false},
}
for i, tt := range tests {
t.Run(strconv.Itoa(i), func(t *testing.T) {
got, got1 := key.ParamInt(tt.label)
if got != tt.want {
t.Errorf("Key.ParamInt() got = %v, want %v", got, tt.want)
}
if got1 != tt.want1 {
t.Errorf("Key.ParamInt() got1 = %v, want %v", got1, tt.want1)
}
})
}
}
func TestKey_ParamUint(t *testing.T) {
type i16 int16
type u16 uint16
key := &Key{
Params: map[any]any{
int64(-1): 1,
2: int8(2),
uint16(3): i16(3),
4: i16(-3),
uint16(6): u16(3),
"foo": -4,
5: []byte{5},
},
}
tests := []struct {
label any
want uint64
want1 bool
}{
{int64(-1), 1, true},
{2, 2, true},
{uint16(3), 3, true},
{uint16(6), 3, true},
{4, 0, false},
{3, 0, false},
{5, 0, false},
{"foo", 0, false},
{"bar", 0, false},
}
for i, tt := range tests {
t.Run(strconv.Itoa(i), func(t *testing.T) {
got, got1 := key.ParamUint(tt.label)
if got != tt.want {
t.Errorf("Key.ParamUint() got = %v, want %v", got, tt.want)
}
if got1 != tt.want1 {
t.Errorf("Key.ParamUint() got1 = %v, want %v", got1, tt.want1)
}
})
}
}
func TestKey_ParamString(t *testing.T) {
type str string
key := &Key{
Params: map[any]any{
1: "foo",
"2": str("bar"),
3: []byte("baz"),
4: 5,
},
}
tests := []struct {
label any
want string
want1 bool
}{
{1, "foo", true},
{"2", "bar", true},
{3, "", false},
{4, "", false},
}
for i, tt := range tests {
t.Run(strconv.Itoa(i), func(t *testing.T) {
got, got1 := key.ParamString(tt.label)
if got != tt.want {
t.Errorf("Key.ParamString() got = %v, want %v", got, tt.want)
}
if got1 != tt.want1 {
t.Errorf("Key.ParamString() got1 = %v, want %v", got1, tt.want1)
}
})
}
}
func TestKey_ParamBool(t *testing.T) {
type boo bool
key := &Key{
Params: map[any]any{
1: true,
"2": boo(false),
3: []byte("baz"),
4: 5,
},
}
tests := []struct {
label any
want bool
want1 bool
}{
{1, true, true},
{"2", false, true},
{3, false, false},
{4, false, false},
}
for i, tt := range tests {
t.Run(strconv.Itoa(i), func(t *testing.T) {
got, got1 := key.ParamBool(tt.label)
if got != tt.want {
t.Errorf("Key.ParamBool() got = %v, want %v", got, tt.want)
}
if got1 != tt.want1 {
t.Errorf("Key.ParamBool() got1 = %v, want %v", got1, tt.want1)
}
})
}
}
func TestKeyOp_String(t *testing.T) {
tests := []struct {
op KeyOp
want string
}{
{KeyOpReserved, "Reserved"},
{KeyOpSign, "sign"},
{KeyOpVerify, "verify"},
{KeyOpEncrypt, "encrypt"},
{KeyOpDecrypt, "decrypt"},
{KeyOpWrapKey, "wrapKey"},
{KeyOpUnwrapKey, "unwrapKey"},
{KeyOpDeriveKey, "deriveKey"},
{KeyOpDeriveBits, "deriveBits"},
{KeyOpMACCreate, "MAC create"},
{KeyOpMACVerify, "MAC verify"},
{42, "unknown key_op value 42"},
}
for _, tt := range tests {
if got := tt.op.String(); got != tt.want {
t.Errorf("KeyOp.String() = %v, want %v", got, tt.want)
}
}
}
func TestKey_UnmarshalCBOR(t *testing.T) {
tests := []struct {
name string
data []byte
want *Key
wantErr string
}{
{
name: "invalid COSE_Key CBOR type",
data: []byte{
0x82, // array(2)
0x01, 0x01, // kty: OKP
},
want: nil,
wantErr: "cbor: cannot unmarshal array into Go value of type map[interface {}]interface {}",
}, {
name: "invalid kty value",
data: []byte{
0xa2, // map(2)
0x01, 0x41, 0x01, // kty: bytes(1)
0x02, 0x43, 0x01, 0x02, 0x03, // kdi: bytes(3)
},
want: nil,
wantErr: "kty: invalid type: expected int64, got []uint8",
}, {
name: "missing kty",
data: []byte{
0xa1, // map(1)
0x02, 0x41, 0x01, // kdi: bytes(1)
},
want: nil,
wantErr: "kty: missing",
}, {
name: "invalid key type",
data: []byte{
0xa1, // map (2)
0x01, 0x00, // kty: invalid
},
want: nil,
wantErr: "kty: invalid value 0",
}, {
name: "invalid kdi type",
data: []byte{
0xa2, // map(2)
0x01, 0x01, // kty: OKP
0x02, 0x01, // kdi: int(1)
},
want: nil,
wantErr: "kid: invalid type: expected []uint8, got int64",
}, {
name: "invalid alg type",
data: []byte{
0xa2, // map(2)
0x01, 0x01, // kty: OKP
0x03, 0x41, 0x01, // alg: bstr(1)
},
want: nil,
wantErr: "alg: invalid type: expected int64, got []uint8",
}, {
name: "invalid key_ops type",
data: []byte{
0xa2, // map(2)
0x01, 0x01, // kty: OKP
0x04, 0x41, 0x01, // key_ops: bstr(1)
},
want: nil,
wantErr: "key_ops: invalid type: expected []any, got []uint8",
}, {
name: "unknown key_ops entry value",
data: []byte{
0xa2, // map(2)
0x01, 0x01, // kty: OKP
0x04, 0x82, // key_ops: array (2)
0x02, // verify
0x63, 0x66, 0x6f, 0x6f, // tstr: foo
},
want: nil,
wantErr: `key_ops: unknown entry value "foo"`,
}, {
name: "invalid key_ops entry type",
data: []byte{
0xa2, // map(2)
0x01, 0x01, // kty: OKP
0x04, 0x82, // key_ops: array (2)
0x02, // verify
0xf6, // nil
},
want: nil,
wantErr: `key_ops: invalid entry type <nil>`,
}, {
name: "invalid base_iv type",
data: []byte{
0xa2, // map(2)
0x01, 0x01, // kty: OKP
0x05, 0x01, // base_iv: int(1)
},
want: nil,
wantErr: "base_iv: invalid type: expected []uint8, got int64",
}, {
name: "custom key invalid param type",
data: []byte{
0xa3, // map (3)
0x01, 0x3a, 0x00, 0x01, 0x11, 0x6f, // kty: -70000
0x20, 0x06, // 0x20: 0x06
0xf6, 0xf6, // nil: nil
},
want: nil,
wantErr: "invalid label type <nil>",
}, {
name: "duplicated param",
data: []byte{
0xa3, // map(3)
0x01, 0x01, // kty: OKP
0x18, 0x66, 0x18, 0x67, // 66: 67
0x18, 0x66, 0x18, 0x47, // 66: 47
},
want: nil,
wantErr: `cbor: found duplicate map key "102" at map element index 2`,
}, {
name: "duplicated kty",
data: []byte{
0xa3, // map(3)
0x01, 0x01, // kty: OKP
0x02, 0x41, 0x01, // kdi: bytes(1)
0x01, 0x01, // kty: OKP (duplicated)
},
want: nil,
wantErr: `cbor: found duplicate map key "1" at map element index 2`,
}, {
name: "OKP missing curve",
data: []byte{
0xa1, // map (2)
0x01, 0x01, // kty: OKP
},
want: nil,
wantErr: "invalid key: required parameters missing",
}, {
name: "EC2 missing curve",
data: []byte{
0xa1, // map (2)
0x01, 0x02, // kty: EC2
},
want: nil,
wantErr: "invalid key: required parameters missing",
}, {
name: "OKP invalid curve",
data: []byte{
0xa3, // map (3)
0x01, 0x01, // kty: OKP
0x20, 0x01, // curve: CurveP256
0x21, 0x58, 0x20, // x-coordinate: bytes(32)
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3, // 32-byte value
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
want: nil,
wantErr: "invalid key: curve not supported for the given key type",
}, {
name: "EC2 invalid curve",
data: []byte{
0xa4, // map (4)
0x01, 0x02, // kty: EC2
0x20, 0x06, // curve: CurveEd25519
0x21, 0x58, 0x20, // x-coordinate: bytes(32)
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3, // 32-byte value
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
0x22, 0x58, 0x20, // y-coordinate: bytes(32)
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3, // 32-byte value
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
want: nil,
wantErr: "invalid key: curve not supported for the given key type",
}, {
name: "Symmetric missing K",
data: []byte{
0xa1, // map (1)
0x01, 0x04, // kty: Symmetric
},
want: nil,
wantErr: "invalid key: required parameters missing",
}, {
name: "EC2 invalid algorithm",
data: []byte{
0xa4, // map (3)
0x01, 0x01, // kty: OKP
0x03, 0x26, // alg: ECDSA w/ SHA-256
0x20, 0x06, // curve: Ed25519
0x21, 0x58, 0x20, // x-coordinate: bytes(32)
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3, // 32-byte value
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
want: nil,
wantErr: `found algorithm "ES256" (expected "EdDSA")`,
}, {
name: "custom key",
data: []byte{
0xa3, // map (3)
0x01, 0x3a, 0x00, 0x01, 0x11, 0x6f, // kty: -70000
0x20, 0x06, // 0x20: 0x06
0x61, 0x66, 0x63, 0x66, 0x6f, 0x6f, // 0x21: foo
},
want: &Key{
Type: -70000,
Params: map[any]any{
int64(-1): int64(6),
"f": "foo",
},
},
}, {
name: "OKP",
data: []byte{
0xa6, // map (6)
0x01, 0x01, // kty: OKP
0x03, 0x27, // alg: EdDSA w/ Ed25519
0x04, // key ops
0x82, // array (2)
0x02, // verify
0x64, 0x73, 0x69, 0x67, 0x6e, // tstr: sign
0x05, 0x43, 0x03, 0x02, 0x01, // base_iv: bytes(5)
0x20, 0x06, // curve: Ed25519
0x21, 0x58, 0x20, // x-coordinate: bytes(32)
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3, // 32-byte value
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
want: &Key{
Type: KeyTypeOKP,
Algorithm: AlgorithmEdDSA,
Ops: []KeyOp{KeyOpVerify, KeyOpSign},
BaseIV: []byte{0x03, 0x02, 0x01},
Params: map[any]any{
KeyLabelOKPCurve: CurveEd25519,
KeyLabelOKPX: []byte{
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3,
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
},
},
wantErr: "",
}, {
name: "Symmetric",
data: []byte{
0xa2, // map (2)
0x01, 0x04, // kty: Symmetric
0x20, 0x58, 0x20, // k: bytes(32)
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3, // 32-byte value
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
want: &Key{
Type: KeyTypeSymmetric,
Params: map[any]any{
KeyLabelSymmetricK: []byte{
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3,
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
},
},
wantErr: "",
},
// The following samples are taken from RFC8152 C.7.1.
{
name: "EC2 P-256 public",
data: mustHexToBytes("a5" +
"0102" +
"0258246d65726961646f632e6272616e64796275636b406275636b6c616e642e6578616d706c65" +
"2001" +
"21582065eda5a12577c2bae829437fe338701a10aaa375e1bb5b5de108de439c08551d" +
"2258201e52ed75701163f7f9e40ddf9f341b3dc9ba860af7e0ca7ca7e9eecd0084d19c"),
want: &Key{
Type: KeyTypeEC2,
ID: []byte("[email protected]"),
Params: map[any]any{
KeyLabelEC2Curve: CurveP256,
KeyLabelEC2X: mustHexToBytes("65eda5a12577c2bae829437fe338701a10aaa375e1bb5b5de108de439c08551d"),
KeyLabelEC2Y: mustHexToBytes("1e52ed75701163f7f9e40ddf9f341b3dc9ba860af7e0ca7ca7e9eecd0084d19c"),
},
},
},
{
name: "EC2 P-521 public",
data: mustHexToBytes("a5" +
"0102" +
"02581e62696c626f2e62616767696e7340686f626269746f6e2e6578616d706c65" +
"2003" +
"2158420072992cb3ac08ecf3e5c63dedec0d51a8c1f79ef2f82f94f3c737bf5de7986671eac625fe8257bbd0394644caaa3aaf8f27a4585fbbcad0f2457620085e5c8f42ad" +
"22584201dca6947bce88bc5790485ac97427342bc35f887d86d65a089377e247e60baa55e4e8501e2ada5724ac51d6909008033ebc10ac999b9d7f5cc2519f3fe1ea1d9475"),
want: &Key{
Type: KeyTypeEC2,
ID: []byte("[email protected]"),
Params: map[any]any{
KeyLabelEC2Curve: CurveP521,
KeyLabelEC2X: mustHexToBytes("0072992cb3ac08ecf3e5c63dedec0d51a8c1f79ef2f82f94f3c737bf5de7986671eac625fe8257bbd0394644caaa3aaf8f27a4585fbbcad0f2457620085e5c8f42ad"),
KeyLabelEC2Y: mustHexToBytes("01dca6947bce88bc5790485ac97427342bc35f887d86d65a089377e247e60baa55e4e8501e2ada5724ac51d6909008033ebc10ac999b9d7f5cc2519f3fe1ea1d9475"),
},
},
},
// The following samples are taken from RFC8152 C.7.2.
{
name: "EC2 P-256 private",
data: mustHexToBytes("a6" +
"0102" +
"0258246d65726961646f632e6272616e64796275636b406275636b6c616e642e6578616d706c65" +
"2001" +
"21582065eda5a12577c2bae829437fe338701a10aaa375e1bb5b5de108de439c08551d" +
"2258201e52ed75701163f7f9e40ddf9f341b3dc9ba860af7e0ca7ca7e9eecd0084d19c" +
"235820aff907c99f9ad3aae6c4cdf21122bce2bd68b5283e6907154ad911840fa208cf"),
want: &Key{
Type: KeyTypeEC2,
ID: []byte("[email protected]"),
Params: map[any]any{
KeyLabelEC2Curve: CurveP256,
KeyLabelEC2X: mustHexToBytes("65eda5a12577c2bae829437fe338701a10aaa375e1bb5b5de108de439c08551d"),
KeyLabelEC2Y: mustHexToBytes("1e52ed75701163f7f9e40ddf9f341b3dc9ba860af7e0ca7ca7e9eecd0084d19c"),
KeyLabelEC2D: mustHexToBytes("aff907c99f9ad3aae6c4cdf21122bce2bd68b5283e6907154ad911840fa208cf"),
},
},
}, {
name: "EC2 P-521 private",
data: mustHexToBytes("a6" +
"0102" +
"02581e62696c626f2e62616767696e7340686f626269746f6e2e6578616d706c65" +
"2003" +
"2158420072992cb3ac08ecf3e5c63dedec0d51a8c1f79ef2f82f94f3c737bf5de7986671eac625fe8257bbd0394644caaa3aaf8f27a4585fbbcad0f2457620085e5c8f42ad" +
"22584201dca6947bce88bc5790485ac97427342bc35f887d86d65a089377e247e60baa55e4e8501e2ada5724ac51d6909008033ebc10ac999b9d7f5cc2519f3fe1ea1d9475" +
"23584200085138ddabf5ca975f5860f91a08e91d6d5f9a76ad4018766a476680b55cd339e8ab6c72b5facdb2a2a50ac25bd086647dd3e2e6e99e84ca2c3609fdf177feb26d"),
want: &Key{
Type: KeyTypeEC2,
ID: []byte("[email protected]"),
Params: map[any]any{
KeyLabelEC2Curve: CurveP521,
KeyLabelEC2X: mustHexToBytes("0072992cb3ac08ecf3e5c63dedec0d51a8c1f79ef2f82f94f3c737bf5de7986671eac625fe8257bbd0394644caaa3aaf8f27a4585fbbcad0f2457620085e5c8f42ad"),
KeyLabelEC2Y: mustHexToBytes("01dca6947bce88bc5790485ac97427342bc35f887d86d65a089377e247e60baa55e4e8501e2ada5724ac51d6909008033ebc10ac999b9d7f5cc2519f3fe1ea1d9475"),
KeyLabelEC2D: mustHexToBytes("00085138ddabf5ca975f5860f91a08e91d6d5f9a76ad4018766a476680b55cd339e8ab6c72b5facdb2a2a50ac25bd086647dd3e2e6e99e84ca2c3609fdf177feb26d"),
},
},
}, {
name: "Symmetric",
data: mustHexToBytes("a3" +
"0104" +
"024a6f75722d736563726574" +
"205820849b57219dae48de646d07dbb533566e976686457c1491be3a76dcea6c427188"),
want: &Key{
Type: KeyTypeSymmetric,
ID: []byte("our-secret"),
Params: map[any]any{
KeyLabelSymmetricK: mustHexToBytes("849b57219dae48de646d07dbb533566e976686457c1491be3a76dcea6c427188"),
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := new(Key)
err := got.UnmarshalCBOR(tt.data)
if (err != nil && err.Error() != tt.wantErr) || (err == nil && tt.wantErr != "") {
t.Errorf("Key.UnmarshalCBOR() error = %v, wantErr %v", err, tt.wantErr)
return
}
if err == nil && !reflect.DeepEqual(got, tt.want) {
t.Errorf("Key.UnmarshalCBOR() = %v, want %v", got, tt.want)
}
})
}
}
func TestKey_MarshalCBOR(t *testing.T) {
tests := []struct {
name string
key *Key
want []byte
wantErr string
}{
{
name: "OKP with kty and kid",
key: &Key{
Type: KeyTypeOKP,
ID: []byte{1, 2, 3},
},
want: []byte{
0xa2, // map (2)
0x01, 0x01, // kty: OKP
0x02, 0x43, 0x01, 0x02, 0x03, // kid: bytes(3)
},
}, {
name: "OKP with only kty",
key: &Key{
Type: KeyTypeOKP,
},
want: []byte{
0xa1, // map (1)
0x01, 0x01, // kty: OKP
},
}, {
name: "OKP with kty and base_iv",
key: &Key{
Type: KeyTypeOKP,
BaseIV: []byte{3, 2, 1},
},
want: []byte{
0xa2, // map (2)
0x01, 0x01, // kty: OKP
0x05, 0x43, 0x03, 0x02, 0x01, // base_iv: bytes(3)
},
}, {
name: "OKP with kty and alg",
key: &Key{
Type: KeyTypeOKP,
Algorithm: AlgorithmEdDSA,
},
want: []byte{
0xa2, // map (2)
0x01, 0x01, // kty: OKP
0x03, 0x27, // alg: EdDSA
},
}, {
name: "OKP with kty and private alg",
key: &Key{
Type: KeyTypeOKP,
Algorithm: -70_000,
},
want: []byte{
0xa2, // map (2)
0x01, 0x01, // kty: OKP
0x03, 0x3a, 0x00, 0x01, 0x11, 0x6f, // alg: -70000
},
}, {
name: "OKP with kty and key_ops",
key: &Key{
Type: KeyTypeOKP,
ID: []byte{1, 2, 3},
Ops: []KeyOp{KeyOpEncrypt, KeyOpDecrypt, -70_000},
},
want: []byte{
0xa3, // map (3)
0x01, 0x01, // kty: OKP
0x02, 0x43, 0x01, 0x02, 0x03, // kid: bytes(3)
0x04, 0x83, // key_ops: array(3)
0x03, 0x04, 0x3a, 0x00, 0x01, 0x11, 0x6f, // -70000
},
}, {
name: "OKP with kty and private int params",
key: &Key{
Type: KeyTypeOKP,
Params: map[any]any{
0x46: 0x47,
0x66: 0x67,
},
},
want: []byte{
0xa3, // map (3)
0x01, 0x01, // kty: OKP
0x18, 0x46, 0x18, 0x47, // 0x46: 0x47 (note canonical ordering)
0x18, 0x66, 0x18, 0x67, // 0x66: 0x67
},
}, {
name: "OKP with kty and private mixed params",
key: &Key{
Type: KeyTypeOKP,
Params: map[any]any{
0x1234: 0x47,
"a": 0x67,
},
},
want: []byte{
0xa3, // map (3)
0x01, 0x01, // kty: OKP
0x19, 0x12, 0x34, 0x18, 0x47, // 0x1234: 0x47 (note canonical lexicographic ordering)
0x61, 0x61, 0x18, 0x67, // "a": 0x67
},
}, {
name: "OKP duplicated params",
key: &Key{
Type: KeyTypeOKP,
Params: map[any]any{
int8(10): 0,
int32(10): 1,
},
},
wantErr: "duplicate label 10",
}, {
name: "OKP with invalid param label",
key: &Key{
Type: KeyTypeOKP,
Params: map[any]any{
int8(10): 0,
-3.5: 1,
},
},
wantErr: "invalid label type float64",
}, {
name: "OKP",
key: &Key{
Type: KeyTypeOKP,
Algorithm: AlgorithmEdDSA,
Ops: []KeyOp{KeyOpVerify, KeyOpEncrypt},
Params: map[any]any{
KeyLabelOKPCurve: CurveEd25519,
KeyLabelOKPX: []byte{
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3,
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
},
},
want: []byte{
0xa5, // map (5)
0x01, 0x01, // kty: OKP
0x03, 0x27, // alg: EdDSA w/ Ed25519
0x04, // key ops
0x82, // array (2)
0x02, 0x03, // verify, encrypt
0x20, 0x06, // curve: Ed25519
0x21, 0x58, 0x20, // x-coordinate: bytes(32)
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3, // 32-byte value
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
wantErr: "",
}, {
name: "EC2 with short x and y",
key: &Key{
Type: KeyTypeEC2,
Algorithm: AlgorithmES256,
Params: map[any]any{
KeyLabelEC2Curve: CurveP256,
KeyLabelEC2X: []byte{0x01},
KeyLabelEC2Y: []byte{0x02, 0x03},
},
},
want: []byte{
0xa5, // map (4)
0x01, 0x02, // kty: EC2
0x03, 0x26, // alg: ES256
0x20, 0x01, // curve: P256
0x21, 0x58, 0x20, // x-coordinate: bytes(32)
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 32-byte value
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x22, 0x58, 0x20, // y-coordinate: bytes(32)
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 32-byte value
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03,
},
wantErr: "",
}, {
name: "Symmetric",
key: &Key{
Type: KeyTypeSymmetric,
Params: map[any]any{
KeyLabelSymmetricK: []byte{
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3,
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
},
},
want: []byte{
0xa2, // map (2)
0x01, 0x04, // kty: Symmetric
0x20, 0x58, 0x20, // K: bytes(32)
0x15, 0x52, 0x2e, 0xf1, 0x57, 0x29, 0xcc, 0xf3, // 32-byte value
0x95, 0x09, 0xea, 0x5c, 0x15, 0xa2, 0x6b, 0xe9,
0x49, 0xe3, 0x88, 0x07, 0xa5, 0xc2, 0x6e, 0xf9,
0x28, 0x14, 0x87, 0xef, 0x4a, 0xe6, 0x7b, 0x46,
},
wantErr: "",
}, {
name: "unknown key type",
key: &Key{Type: 42},
want: []byte{
0xa1, // map (1)
0x01, 0x18, 0x2a, // kty: 42
},
wantErr: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := tt.key.MarshalCBOR()
if (err != nil && err.Error() != tt.wantErr) || (err == nil && tt.wantErr != "") {
t.Errorf("Key.MarshalCBOR() error = %v, wantErr %v", err, tt.wantErr)
return
}
if err == nil && !reflect.DeepEqual(got, tt.want) {
t.Errorf("Key.MarshalCBOR() = %v, want %v", got, tt.want)
}
})
}
}
func TestNewKeyOKP(t *testing.T) {
x, d := newEd25519(t)
type args struct {
alg Algorithm
x []byte
d []byte
}
tests := []struct {
name string
args args
want *Key
wantErr string
}{
{
name: "valid", args: args{AlgorithmEdDSA, x, d},
want: &Key{
Type: KeyTypeOKP,
Algorithm: AlgorithmEdDSA,
Params: map[any]any{
KeyLabelOKPCurve: CurveEd25519,
KeyLabelOKPX: x,
KeyLabelOKPD: d,
},
},
wantErr: "",
}, {
name: "invalid alg", args: args{Algorithm(-100), x, d},
want: nil,
wantErr: `unsupported algorithm "Algorithm(-100)"`,
}, {
name: "x and d missing", args: args{AlgorithmEdDSA, nil, nil},
want: nil,
wantErr: "invalid key: required parameters missing",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := NewKeyOKP(tt.args.alg, tt.args.x, tt.args.d)
if (err != nil && err.Error() != tt.wantErr) || (err == nil && tt.wantErr != "") {
t.Errorf("NewKeyOKP() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("NewKeyOKP() = %v, want %v", got, tt.want)
}
})
}
}
func TestNewNewKeyEC2(t *testing.T) {
ec256x, ec256y, ec256d := newEC2(t, elliptic.P256())
ec384x, ec384y, ec384d := newEC2(t, elliptic.P384())
ec521x, ec521y, ec521d := newEC2(t, elliptic.P521())
type args struct {
alg Algorithm
x []byte
y []byte
d []byte
}
tests := []struct {
name string
args args
want *Key
wantErr string
}{
{
name: "valid ES256", args: args{AlgorithmES256, ec256x, ec256y, ec256d},
want: &Key{
Type: KeyTypeEC2,
Algorithm: AlgorithmES256,
Params: map[any]any{
KeyLabelEC2Curve: CurveP256,
KeyLabelEC2X: ec256x,
KeyLabelEC2Y: ec256y,
KeyLabelEC2D: ec256d,
},
},
wantErr: "",
}, {
name: "valid ES384", args: args{AlgorithmES384, ec384x, ec384y, ec384d},
want: &Key{
Type: KeyTypeEC2,
Algorithm: AlgorithmES384,
Params: map[any]any{
KeyLabelEC2Curve: CurveP384,
KeyLabelEC2X: ec384x,
KeyLabelEC2Y: ec384y,
KeyLabelEC2D: ec384d,
},
},
wantErr: "",
}, {
name: "valid ES521", args: args{AlgorithmES512, ec521x, ec521y, ec521d},
want: &Key{
Type: KeyTypeEC2,
Algorithm: AlgorithmES512,
Params: map[any]any{
KeyLabelEC2Curve: CurveP521,
KeyLabelEC2X: ec521x,
KeyLabelEC2Y: ec521y,
KeyLabelEC2D: ec521d,
},
},
wantErr: "",
}, {
name: "invalid alg", args: args{Algorithm(-100), ec256x, ec256y, ec256d},
want: nil,
wantErr: `unsupported algorithm "Algorithm(-100)"`,
}, {
name: "x, y and d missing", args: args{AlgorithmES512, nil, nil, nil},
want: nil,
wantErr: "invalid key: required parameters missing",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := NewKeyEC2(tt.args.alg, tt.args.x, tt.args.y, tt.args.d)
if (err != nil && err.Error() != tt.wantErr) || (err == nil && tt.wantErr != "") {
t.Errorf("NewKeyEC2() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("NewKeyEC2() = %v, want %v", got, tt.want)
}
})
}
}
func TestNewKeySymmetric(t *testing.T) {
type args struct {
k []byte
}
tests := []struct {
name string
args args
want *Key
}{
{"valid", args{[]byte{1, 2, 3}}, &Key{
Type: KeyTypeSymmetric,
Params: map[any]any{
KeyLabelSymmetricK: []byte{1, 2, 3},
},
}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := NewKeySymmetric(tt.args.k); !reflect.DeepEqual(got, tt.want) {
t.Errorf("NewKeySymmetric() = %v, want %v", got, tt.want)
}
})
}
}
func TestKey_SignRoundtrip(t *testing.T) {
tests := []struct {
name string
newKey func() (crypto.PrivateKey, error)
}{
{
"P-256", func() (crypto.PrivateKey, error) {
return ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
},
}, {
"P-384", func() (crypto.PrivateKey, error) {
return ecdsa.GenerateKey(elliptic.P384(), rand.Reader)