Add unit tests for keymatch.

certlib/certgen/keygen.go

@@ -0,0 +1,11 @@
+package certgen
+
+import (
+	"encoding/asn1"
+)
+
+var (
+	oidEd25519 = asn1.ObjectIdentifier{1, 3, 101, 110}
+)
+
+func GenerateKey() {}

certlib/keymatch_test.go

@@ -0,0 +1,45 @@
+package certlib
+
+import "testing"
+
+var (
+	testCert1 = "testdata/cert1.pem"
+	testCert2 = "testdata/cert2.pem"
+	testPriv1 = "testdata/priv1.pem"
+	testPriv2 = "testdata/priv2.pem"
+)
+
+type testCase struct {
+	cert  string
+	key   string
+	match bool
+}
+
+var testCases = []testCase{
+	{"testdata/cert1.pem", "testdata/priv1.pem", true},
+	{"testdata/cert2.pem", "testdata/priv2.pem", true},
+	{"testdata/cert1.pem", "testdata/priv2.pem", false},
+	{"testdata/cert2.pem", "testdata/priv1.pem", false},
+}
+
+func TestMatchKeys(t *testing.T) {
+	for i, tc := range testCases {
+		cert, err := LoadCertificate(tc.cert)
+		if err != nil {
+			t.Fatalf("failed to load cert %d: %v", i, err)
+		}
+
+		priv, err := LoadPrivateKey(tc.key)
+		if err != nil {
+			t.Fatalf("failed to load key %d: %v", i, err)
+		}
+
+		ok, _ := MatchKeys(cert, priv)
+		switch {
+		case ok && !tc.match:
+			t.Fatalf("case %d: cert %s/key %s should not match", i, tc.cert, tc.key)
+		case !ok && tc.match:
+			t.Fatalf("case %d: cert %s/key %s should match", i, tc.cert, tc.key)
+		}
+	}
+}

certlib/testdata/cert1.pem

@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----
+MIID2zCCAsOgAwIBAgIUN0qOIUWB0UCmtutt2RH6PCmcuhEwDQYJKoZIhvcNAQEL
+BQAwfTELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlmb3JuaWExIjAgBgNVBAoM
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+Mre0Gq9fUcd/KdPEHu++XAcLH3M8pqmeUQHHHse0gQ==
+-----END CERTIFICATE-----

certlib/testdata/cert2.pem

@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
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+b2Hi9ZK8kpL8qa2vFpOe
+-----END CERTIFICATE-----

certlib/testdata/priv1.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
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+naIddZmTj87qOtEaY/MSGQ==
+-----END PRIVATE KEY-----

certlib/testdata/priv2.pem

@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----