From fcd81030d665c21bc411f51b800373e2f5cf26e2 Mon Sep 17 00:00:00 2001
From: Thom Wiggers <thom@thomwiggers.nl>
Date: Fri, 13 Mar 2020 13:27:02 -0400
Subject: [PATCH] Fix too-large shift in mceliece*f

---
 crypto_kem/mceliece348864f/vec/pk_gen.c | 2 +-
 crypto_kem/mceliece460896f/vec/pk_gen.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/crypto_kem/mceliece348864f/vec/pk_gen.c b/crypto_kem/mceliece348864f/vec/pk_gen.c
index b47c27a5..314a809c 100644
--- a/crypto_kem/mceliece348864f/vec/pk_gen.c
+++ b/crypto_kem/mceliece348864f/vec/pk_gen.c
@@ -57,7 +57,7 @@ static inline int ctz(uint64_t in) {
     int i, b, m = 0, r = 0;
 
     for (i = 0; i < 64; i++) {
-        b = ((int)in >> i) & 1;
+        b = ((int)(in >> i)) & 1;
         m |= b;
         r += (m ^ 1) & (b ^ 1);
     }
diff --git a/crypto_kem/mceliece460896f/vec/pk_gen.c b/crypto_kem/mceliece460896f/vec/pk_gen.c
index 7aa02221..5b1bb6cb 100644
--- a/crypto_kem/mceliece460896f/vec/pk_gen.c
+++ b/crypto_kem/mceliece460896f/vec/pk_gen.c
@@ -57,7 +57,7 @@ static inline int ctz(uint64_t in) {
     int i, b, m = 0, r = 0;
 
     for (i = 0; i < 64; i++) {
-        b = ((int)in >> i) & 1;
+        b = ((int)(in >> i)) & 1;
         m |= b;
         r += (m ^ 1) & (b ^ 1);
     }