1 files changed, 15 insertions, 0 deletions
diff --git a/key/key.go b/key/key.go
index 38b4bad..b3dd393 100644
--- a/key/key.go
+++ b/key/key.go
@@ -1,6 +1,7 @@
 package key
 
 import (
+	"bytes"
 	"encoding/hex"
 	"fmt"
 	"io"
@@ -13,6 +14,12 @@ type BoxPublicKey [32]byte
 // BoxPrivateKey is a private NaCl box key.
 type BoxPrivateKey [32]byte
 
+// SigPublicKey is a public NaCl signature verification key.
+type SigPublicKey [32]byte
+
+// SigPrivateKey is a private NaCl signing key.
+type SigPrivateKey [64]byte
+
 // LoadBoxKeypair reads the public and private NaCl box keys from disc,
 // or generates a new keypair if it does not already exist.
 // These keys can be used for NaCl box (encryption/decryption) operations.
@@ -67,3 +74,11 @@ func loadBoxKey(filename string) ([32]byte, error) {
 
 	return key, nil
 }
+
+func (bpk1 BoxPublicKey) Compare(bpk2 BoxPublicKey) int {
+	return bytes.Compare(bpk1[:], bpk2[:])
+}
+
+func (spk1 SigPublicKey) Compare(spk2 SigPublicKey) int {
+	return bytes.Compare(spk1[:], spk2[:])
+}