negative return code

crypto_kem/hqc-128/avx2/kem.c

@@ -136,5 +136,5 @@ int PQCLEAN_HQC128_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned char *c
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-128/clean/kem.c

@@ -140,5 +140,5 @@ int PQCLEAN_HQC128_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned char *
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-192/avx2/kem.c

@@ -136,5 +136,5 @@ int PQCLEAN_HQC192_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned char *c
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-192/clean/kem.c

@@ -140,5 +140,5 @@ int PQCLEAN_HQC192_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned char *
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-256/avx2/kem.c

@@ -136,5 +136,5 @@ int PQCLEAN_HQC256_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned char *c
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-256/clean/kem.c

@@ -140,5 +140,5 @@ int PQCLEAN_HQC256_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned char *
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-rmrs-128/avx2/kem.c

@@ -136,5 +136,5 @@ int PQCLEAN_HQCRMRS128_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned cha
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-rmrs-128/clean/kem.c

@@ -136,5 +136,5 @@ int PQCLEAN_HQCRMRS128_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned ch
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-rmrs-192/avx2/kem.c

@@ -136,5 +136,5 @@ int PQCLEAN_HQCRMRS192_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned cha
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-rmrs-192/clean/kem.c

@@ -136,5 +136,5 @@ int PQCLEAN_HQCRMRS192_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned ch
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-rmrs-256/avx2/kem.c

@@ -136,5 +136,5 @@ int PQCLEAN_HQCRMRS256_AVX2_crypto_kem_dec(unsigned char *ss, const unsigned cha
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }

crypto_kem/hqc-rmrs-256/clean/kem.c

@@ -136,5 +136,5 @@ int PQCLEAN_HQCRMRS256_CLEAN_crypto_kem_dec(unsigned char *ss, const unsigned ch
     }
 
 
-    return result & 1;
+    return -(result & 1);
 }