From ccb3a0eaa62ae5fc741587c5e9b85634f8c7c487 Mon Sep 17 00:00:00 2001
From: Stephen Akridge <sakridge@gmail.com>
Date: Tue, 11 Aug 2020 22:29:09 -0700
Subject: [PATCH] Check seed fread

---
 src/sgx-ecc-ed25519/seed.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/sgx-ecc-ed25519/seed.c b/src/sgx-ecc-ed25519/seed.c
index 3eaa024..cc2fc43 100644
--- a/src/sgx-ecc-ed25519/seed.c
+++ b/src/sgx-ecc-ed25519/seed.c
@@ -31,7 +31,11 @@ int ed25519_create_seed(unsigned char *seed) {
         return 1;
     }
 
-    fread(seed, 1, 32, f);
+    size_t ret = fread(seed, 1, 32, f);
+    if (ret != 32) {
+        fprintf(stderr, "Seed read error");
+        return 1;
+    }
     fclose(f);
 #endif
 #endif