Completed event and key libraries.

keys_test.go

@@ -0,0 +1,29 @@
+package roots
+
+import (
+	"regexp"
+	"testing"
+)
+
+var hexPattern = regexp.MustCompile("^[a-f0-9]{64}$")
+
+func TestGeneratePrivateKey(t *testing.T) {
+	sk, err := GeneratePrivateKey()
+
+	expectOk(t, err)
+	if !hexPattern.MatchString(sk) {
+		t.Errorf("invalid private key format: %s", sk)
+	}
+}
+
+func TestGetPublicKey(t *testing.T) {
+	pk, err := GetPublicKey(testSK)
+
+	expectOk(t, err)
+	expectEqualStrings(t, pk, testPK)
+}
+
+func TestGetPublicKeyInvalidPrivateKey(t *testing.T) {
+	_, err := GetPublicKey("abc123")
+	expectErrorSubstring(t, err, "private key must be 64 hex characters")
+}