From aa6cc17154af5b5cb60c5e48a1991fd943e5d174 Mon Sep 17 00:00:00 2001
From: Christoph Hagen <github@christophhagen.de>
Date: Thu, 14 Dec 2023 09:42:54 +0100
Subject: [PATCH] Add definitions for keys and signature

---
 include/relay/CryptoPrimitives.h | 43 ++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 include/relay/CryptoPrimitives.h

diff --git a/include/relay/CryptoPrimitives.h b/include/relay/CryptoPrimitives.h
new file mode 100644
index 0000000..1053367
--- /dev/null
+++ b/include/relay/CryptoPrimitives.h
@@ -0,0 +1,43 @@
+#pragma once
+
+#include <stdint.h>
+
+#pragma pack(push, 1)
+
+/**
+ * @brief A private key for asymmetric cryptography
+ */
+typedef struct {
+
+    /// @brief The size of a private key
+    static const int size = 32;
+
+    uint8_t bytes[size];
+
+} PrivateKey;
+
+/**
+ * @brief A public key for asymmetric cryptography
+ */
+typedef struct {
+
+    /// @brief The size of a public key
+    static const int size = 32;
+
+    uint8_t bytes[size];
+
+} PublicKey;
+
+/**
+ * @brief A signature of some data using a private key
+ */
+typedef struct {
+
+    /// @brief The size of a message signature
+    static const int size = 64;
+
+    uint8_t bytes[size];
+
+} Signature;
+
+#pragma pack(pop)
\ No newline at end of file