From d57a6ae06aa3793c53c598aa2e13e774c03b376e Mon Sep 17 00:00:00 2001
From: Mylloon <kennel.anri@tutanota.com>
Date: Thu, 27 Oct 2022 13:51:57 +0200
Subject: [PATCH] fix rsa implementation

---
 src/public/js/main.js |  7 +++++--
 src/public/js/rsa.js  | 22 ++++++++++++++++++++--
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/src/public/js/main.js b/src/public/js/main.js
index db95c10..28281e1 100644
--- a/src/public/js/main.js
+++ b/src/public/js/main.js
@@ -1,4 +1,8 @@
-import { gen_RSA_keypair, RSA_dec, RSA_enc } from "./rsa.js";
+import {
+    gen_RSA_keypair,
+    RSA_enc_data as RSA_enc,
+    RSA_dec_data as RSA_dec,
+} from "./rsa.js";
 
 window.addEventListener("load", () => main());
 
@@ -79,7 +83,6 @@ const send = (file, element) => {
              * When the user click on the link, he can download the file, asking
              * to the server with the hash of the link and the public key
              * encoded in the URL */
-
         });
     });
 };
diff --git a/src/public/js/rsa.js b/src/public/js/rsa.js
index e27dffa..1e9d394 100644
--- a/src/public/js/rsa.js
+++ b/src/public/js/rsa.js
@@ -35,14 +35,32 @@ const RSA = (msg, key) => {
     return modPow(msg, key[0], key[1]);
 };
 
-export const RSA_enc = (data, key) => {
+const RSA_enc = (data, key) => {
     return RSA(str_to_int(data)[0], key);
 };
 
-export const RSA_dec = (data, key) => {
+export const RSA_enc_data = (data, key) => {
+    let encoded = [];
+    data.match(/(.{1,100})/g).forEach((piece) => {
+        encoded.push(RSA_enc(piece, key));
+    });
+
+    return encoded;
+};
+
+const RSA_dec = (data, key) => {
     return int_to_str([RSA(data, key)]);
 };
 
+export const RSA_dec_data = (data, key) => {
+    let decoded = "";
+    data.forEach((piece) => {
+        decoded += RSA_dec(piece, key);
+    });
+
+    return decoded;
+};
+
 const str_to_int = (msg) => {
     let result = "";
     let table = [];