Fix left shift overflow for MASK_N2

crypto_kem/hqc-128/avx2/repetition.c

@@ -10,7 +10,7 @@
  */
 
 
-#define MASK_N2                              ((1UL << PARAM_N2) - 1)
+#define MASK_N2 ((((uint64_t) 1) << PARAM_N2) - 1)
 
 /**
  * @brief Decoding the code words to a message using the repetition code

crypto_kem/hqc-128/clean/repetition.c

@@ -8,7 +8,7 @@
  * @brief Implementation of repetition codes
  */
 
-#define MASK_N2                              ((1UL << PARAM_N2) - 1)
+#define MASK_N2 ((((uint64_t) 1) << PARAM_N2) - 1)
 
 static inline int32_t popcount(uint64_t n);
 

crypto_kem/hqc-192/avx2/repetition.c

@@ -10,7 +10,7 @@
  */
 
 
-#define MASK_N2                              ((1UL << PARAM_N2) - 1)
+#define MASK_N2 ((((uint64_t) 1) << PARAM_N2) - 1)
 
 /**
  * @brief Decoding the code words to a message using the repetition code

crypto_kem/hqc-192/clean/repetition.c

@@ -8,7 +8,7 @@
  * @brief Implementation of repetition codes
  */
 
-#define MASK_N2                              ((1UL << PARAM_N2) - 1)
+#define MASK_N2 ((((uint64_t) 1) << PARAM_N2) - 1)
 
 static inline int32_t popcount(uint64_t n);