From 2b2ad2c10770c6a864f3ada1e2803ed72c8dfa1b Mon Sep 17 00:00:00 2001
From: David Phillips <david@yeah.nah.nz>
Date: Mon, 11 Mar 2019 17:40:01 +1300
Subject: Move comments to headers where applicable

---
 key_update.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'key_update.h')

diff --git a/key_update.h b/key_update.h
index 66512b6..ff6271d 100644
--- a/key_update.h
+++ b/key_update.h
@@ -1,3 +1,6 @@
 #include <openssl/rsa.h>
 
+/* re-calculate the decryption key `d` for the given key
+ * the product of e and d must be congruent to 1, and since we are messing
+ * with e to generate our keys, we must re-calculate d */
 int key_update_d(RSA *rsa_key);
-- 
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