From 93e0ce02f592686d5ec75fc7f87fd1485b60de91 Mon Sep 17 00:00:00 2001
From: Derrick Hammer <derrick@derrickhammer.com>
Date: Wed, 3 Jan 2024 08:11:26 -0500
Subject: [PATCH] feat: add ed25519 package

---
 ed25519/ed25519.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 ed25519/ed25519.go

diff --git a/ed25519/ed25519.go b/ed25519/ed25519.go
new file mode 100644
index 0000000..5b7187a
--- /dev/null
+++ b/ed25519/ed25519.go
@@ -0,0 +1,27 @@
+package ed25519
+
+import (
+	"crypto/ed25519"
+	"git.lumeweb.com/LumeWeb/libs5-go/types"
+	"git.lumeweb.com/LumeWeb/libs5-go/utils"
+)
+
+type KeyPairEd25519 struct {
+	Bytes []byte
+}
+
+func New(bytes []byte) *KeyPairEd25519 {
+	return &KeyPairEd25519{Bytes: bytes}
+}
+
+func (kp *KeyPairEd25519) PublicKey() []byte {
+	return utils.ConcatBytes([]byte{byte(types.HashTypeEd25519)}, kp.PublicKeyRaw())
+}
+
+func (kp *KeyPairEd25519) PublicKeyRaw() []byte {
+	return (ed25519.PrivateKey(kp.Bytes).Public()).([]byte)
+}
+
+func (kp *KeyPairEd25519) ExtractBytes() []byte {
+	return kp.Bytes
+}