From 83932f30ff02d285c8a7e2a363601f460d55d268 Mon Sep 17 00:00:00 2001
From: Jack Lloyd <jack@randombit.net>
Date: Sat, 16 Sep 2017 14:45:52 -0400
Subject: Use constant_time_compare instead of same_mem

New name, same great operation
---
 src/lib/misc/tss/tss.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src/lib/misc/tss')

diff --git a/src/lib/misc/tss/tss.cpp b/src/lib/misc/tss/tss.cpp
index a7b0c4eac..2039e5fea 100644
--- a/src/lib/misc/tss/tss.cpp
+++ b/src/lib/misc/tss/tss.cpp
@@ -250,9 +250,12 @@ RTSS_Share::reconstruct(const std::vector<RTSS_Share>& shares)
    hash->update(secret.data(), secret_len);
    secure_vector<uint8_t> hash_check = hash->final();
 
-   if(!same_mem(hash_check.data(),
-                &secret[secret_len], hash->output_length()))
+   if(!constant_time_compare(hash_check.data(),
+                             &secret[secret_len],
+                             hash->output_length()))
+      {
       throw Decoding_Error("RTSS hash check failed");
+      }
 
    return secure_vector<uint8_t>(secret.cbegin(), secret.cbegin() + secret_len);
    }
-- 
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