0
0
mirror of https://github.com/slackhq/nebula.git synced 2024-12-22 04:08:31 +00:00
slackhq_nebula/cert/pem_test.go
2024-10-10 18:00:22 -05:00

293 lines
10 KiB
Go

package cert
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestUnmarshalCertificateFromPEM(t *testing.T) {
goodCert := []byte(`
# A good cert
-----BEGIN NEBULA CERTIFICATE-----
CkAKDm5lYnVsYSByb290IGNhKJfap9AFMJfg1+YGOiCUQGByMuNRhIlQBOyzXWbL
vcKBwDhov900phEfJ5DN3kABEkDCq5R8qBiu8sl54yVfgRcQXEDt3cHr8UTSLszv
bzBEr00kERQxxTzTsH8cpYEgRoipvmExvg8WP8NdAJEYJosB
-----END NEBULA CERTIFICATE-----
`)
badBanner := []byte(`# A bad banner
-----BEGIN NOT A NEBULA CERTIFICATE-----
CkAKDm5lYnVsYSByb290IGNhKJfap9AFMJfg1+YGOiCUQGByMuNRhIlQBOyzXWbL
vcKBwDhov900phEfJ5DN3kABEkDCq5R8qBiu8sl54yVfgRcQXEDt3cHr8UTSLszv
bzBEr00kERQxxTzTsH8cpYEgRoipvmExvg8WP8NdAJEYJosB
-----END NOT A NEBULA CERTIFICATE-----
`)
invalidPem := []byte(`# Not a valid PEM format
-BEGIN NEBULA CERTIFICATE-----
CkAKDm5lYnVsYSByb290IGNhKJfap9AFMJfg1+YGOiCUQGByMuNRhIlQBOyzXWbL
vcKBwDhov900phEfJ5DN3kABEkDCq5R8qBiu8sl54yVfgRcQXEDt3cHr8UTSLszv
bzBEr00kERQxxTzTsH8cpYEgRoipvmExvg8WP8NdAJEYJosB
-END NEBULA CERTIFICATE----`)
certBundle := appendByteSlices(goodCert, badBanner, invalidPem)
// Success test case
cert, rest, err := UnmarshalCertificateFromPEM(certBundle)
assert.NotNil(t, cert)
assert.Equal(t, rest, append(badBanner, invalidPem...))
assert.Nil(t, err)
// Fail due to invalid banner.
cert, rest, err = UnmarshalCertificateFromPEM(rest)
assert.Nil(t, cert)
assert.Equal(t, rest, invalidPem)
assert.EqualError(t, err, "bytes did not contain a proper certificate banner")
// Fail due to ivalid PEM format, because
// it's missing the requisite pre-encapsulation boundary.
cert, rest, err = UnmarshalCertificateFromPEM(rest)
assert.Nil(t, cert)
assert.Equal(t, rest, invalidPem)
assert.EqualError(t, err, "input did not contain a valid PEM encoded block")
}
func TestUnmarshalSigningPrivateKeyFromPEM(t *testing.T) {
privKey := []byte(`# A good key
-----BEGIN NEBULA ED25519 PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-----END NEBULA ED25519 PRIVATE KEY-----
`)
privP256Key := []byte(`# A good key
-----BEGIN NEBULA ECDSA P256 PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-----END NEBULA ECDSA P256 PRIVATE KEY-----
`)
shortKey := []byte(`# A short key
-----BEGIN NEBULA ED25519 PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
-----END NEBULA ED25519 PRIVATE KEY-----
`)
invalidBanner := []byte(`# Invalid banner
-----BEGIN NOT A NEBULA PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-----END NOT A NEBULA PRIVATE KEY-----
`)
invalidPem := []byte(`# Not a valid PEM format
-BEGIN NEBULA ED25519 PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-END NEBULA ED25519 PRIVATE KEY-----`)
keyBundle := appendByteSlices(privKey, privP256Key, shortKey, invalidBanner, invalidPem)
// Success test case
k, rest, curve, err := UnmarshalSigningPrivateKeyFromPEM(keyBundle)
assert.Len(t, k, 64)
assert.Equal(t, rest, appendByteSlices(privP256Key, shortKey, invalidBanner, invalidPem))
assert.Equal(t, Curve_CURVE25519, curve)
assert.Nil(t, err)
// Success test case
k, rest, curve, err = UnmarshalSigningPrivateKeyFromPEM(rest)
assert.Len(t, k, 32)
assert.Equal(t, rest, appendByteSlices(shortKey, invalidBanner, invalidPem))
assert.Equal(t, Curve_P256, curve)
assert.Nil(t, err)
// Fail due to short key
k, rest, curve, err = UnmarshalSigningPrivateKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, rest, appendByteSlices(invalidBanner, invalidPem))
assert.EqualError(t, err, "key was not 64 bytes, is invalid Ed25519 private key")
// Fail due to invalid banner
k, rest, curve, err = UnmarshalSigningPrivateKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, rest, invalidPem)
assert.EqualError(t, err, "bytes did not contain a proper Ed25519/ECDSA private key banner")
// Fail due to ivalid PEM format, because
// it's missing the requisite pre-encapsulation boundary.
k, rest, curve, err = UnmarshalSigningPrivateKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, rest, invalidPem)
assert.EqualError(t, err, "input did not contain a valid PEM encoded block")
}
func TestUnmarshalPrivateKeyFromPEM(t *testing.T) {
privKey := []byte(`# A good key
-----BEGIN NEBULA X25519 PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-----END NEBULA X25519 PRIVATE KEY-----
`)
privP256Key := []byte(`# A good key
-----BEGIN NEBULA P256 PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-----END NEBULA P256 PRIVATE KEY-----
`)
shortKey := []byte(`# A short key
-----BEGIN NEBULA X25519 PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-----END NEBULA X25519 PRIVATE KEY-----
`)
invalidBanner := []byte(`# Invalid banner
-----BEGIN NOT A NEBULA PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-----END NOT A NEBULA PRIVATE KEY-----
`)
invalidPem := []byte(`# Not a valid PEM format
-BEGIN NEBULA X25519 PRIVATE KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-END NEBULA X25519 PRIVATE KEY-----`)
keyBundle := appendByteSlices(privKey, privP256Key, shortKey, invalidBanner, invalidPem)
// Success test case
k, rest, curve, err := UnmarshalPrivateKeyFromPEM(keyBundle)
assert.Len(t, k, 32)
assert.Equal(t, rest, appendByteSlices(privP256Key, shortKey, invalidBanner, invalidPem))
assert.Equal(t, Curve_CURVE25519, curve)
assert.Nil(t, err)
// Success test case
k, rest, curve, err = UnmarshalPrivateKeyFromPEM(rest)
assert.Len(t, k, 32)
assert.Equal(t, rest, appendByteSlices(shortKey, invalidBanner, invalidPem))
assert.Equal(t, Curve_P256, curve)
assert.Nil(t, err)
// Fail due to short key
k, rest, curve, err = UnmarshalPrivateKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, rest, appendByteSlices(invalidBanner, invalidPem))
assert.EqualError(t, err, "key was not 32 bytes, is invalid CURVE25519 private key")
// Fail due to invalid banner
k, rest, curve, err = UnmarshalPrivateKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, rest, invalidPem)
assert.EqualError(t, err, "bytes did not contain a proper private key banner")
// Fail due to ivalid PEM format, because
// it's missing the requisite pre-encapsulation boundary.
k, rest, curve, err = UnmarshalPrivateKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, rest, invalidPem)
assert.EqualError(t, err, "input did not contain a valid PEM encoded block")
}
func TestUnmarshalPublicKeyFromPEM(t *testing.T) {
pubKey := []byte(`# A good key
-----BEGIN NEBULA ED25519 PUBLIC KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-----END NEBULA ED25519 PUBLIC KEY-----
`)
shortKey := []byte(`# A short key
-----BEGIN NEBULA ED25519 PUBLIC KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-----END NEBULA ED25519 PUBLIC KEY-----
`)
invalidBanner := []byte(`# Invalid banner
-----BEGIN NOT A NEBULA PUBLIC KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-----END NOT A NEBULA PUBLIC KEY-----
`)
invalidPem := []byte(`# Not a valid PEM format
-BEGIN NEBULA ED25519 PUBLIC KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-END NEBULA ED25519 PUBLIC KEY-----`)
keyBundle := appendByteSlices(pubKey, shortKey, invalidBanner, invalidPem)
// Success test case
k, rest, curve, err := UnmarshalPublicKeyFromPEM(keyBundle)
assert.Equal(t, 32, len(k))
assert.Equal(t, Curve_CURVE25519, curve)
assert.Nil(t, err)
assert.Equal(t, rest, appendByteSlices(shortKey, invalidBanner, invalidPem))
// Fail due to short key
k, rest, curve, err = UnmarshalPublicKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, Curve_CURVE25519, curve)
assert.Equal(t, rest, appendByteSlices(invalidBanner, invalidPem))
assert.EqualError(t, err, "key was not 32 bytes, is invalid CURVE25519 public key")
// Fail due to invalid banner
k, rest, curve, err = UnmarshalPublicKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, Curve_CURVE25519, curve)
assert.EqualError(t, err, "bytes did not contain a proper public key banner")
assert.Equal(t, rest, invalidPem)
// Fail due to ivalid PEM format, because
// it's missing the requisite pre-encapsulation boundary.
k, rest, curve, err = UnmarshalPublicKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, Curve_CURVE25519, curve)
assert.Equal(t, rest, invalidPem)
assert.EqualError(t, err, "input did not contain a valid PEM encoded block")
}
func TestUnmarshalX25519PublicKey(t *testing.T) {
pubKey := []byte(`# A good key
-----BEGIN NEBULA X25519 PUBLIC KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-----END NEBULA X25519 PUBLIC KEY-----
`)
pubP256Key := []byte(`# A good key
-----BEGIN NEBULA P256 PUBLIC KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAA=
-----END NEBULA P256 PUBLIC KEY-----
`)
shortKey := []byte(`# A short key
-----BEGIN NEBULA X25519 PUBLIC KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-----END NEBULA X25519 PUBLIC KEY-----
`)
invalidBanner := []byte(`# Invalid banner
-----BEGIN NOT A NEBULA PUBLIC KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-----END NOT A NEBULA PUBLIC KEY-----
`)
invalidPem := []byte(`# Not a valid PEM format
-BEGIN NEBULA X25519 PUBLIC KEY-----
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
-END NEBULA X25519 PUBLIC KEY-----`)
keyBundle := appendByteSlices(pubKey, pubP256Key, shortKey, invalidBanner, invalidPem)
// Success test case
k, rest, curve, err := UnmarshalPublicKeyFromPEM(keyBundle)
assert.Equal(t, 32, len(k))
assert.Nil(t, err)
assert.Equal(t, rest, appendByteSlices(pubP256Key, shortKey, invalidBanner, invalidPem))
assert.Equal(t, Curve_CURVE25519, curve)
// Success test case
k, rest, curve, err = UnmarshalPublicKeyFromPEM(rest)
assert.Equal(t, 65, len(k))
assert.Nil(t, err)
assert.Equal(t, rest, appendByteSlices(shortKey, invalidBanner, invalidPem))
assert.Equal(t, Curve_P256, curve)
// Fail due to short key
k, rest, curve, err = UnmarshalPublicKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, rest, appendByteSlices(invalidBanner, invalidPem))
assert.EqualError(t, err, "key was not 32 bytes, is invalid CURVE25519 public key")
// Fail due to invalid banner
k, rest, curve, err = UnmarshalPublicKeyFromPEM(rest)
assert.Nil(t, k)
assert.EqualError(t, err, "bytes did not contain a proper public key banner")
assert.Equal(t, rest, invalidPem)
// Fail due to ivalid PEM format, because
// it's missing the requisite pre-encapsulation boundary.
k, rest, curve, err = UnmarshalPublicKeyFromPEM(rest)
assert.Nil(t, k)
assert.Equal(t, rest, invalidPem)
assert.EqualError(t, err, "input did not contain a valid PEM encoded block")
}