Add Protocol::SignedMessage struct (not done)

2026-08-04 21:27:06 +03:00
parent 09ae813c76
commit 11d207d58f
6 changed files with 103 additions and 3 deletions
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "sodium/crypto_hash_sha256.h"
+#include "sodium/crypto_sign.h"
+#include <cstdint>
+#include <string>
+namespace Protocol {
+
+struct SignedMessage {
+      unsigned char sender_key_fingerprint[crypto_hash_sha256_BYTES];
+      std::string plaintext;
+      int64_t timestamp;
+      unsigned char sender_key_signature[crypto_sign_BYTES]; // signs fields 1-3
+
+      // Fills the fields and signs the plaintext
+      SignedMessage(unsigned char sender_pub_key[crypto_sign_PUBLICKEYBYTES],
+                    unsigned char sender_priv_key[crypto_sign_SECRETKEYBYTES],
+                    std::string plaintext);
+
+      // TODO: bool isMessageTrusted(std::string pub_key);
+};
+
+} // namespace Protocol