progs/..., symm/...: Fix 32-bit right-shift idiom.

[catacomb] / symm / sha3.c

diff --git a/symm/sha3.c b/symm/sha3.c
index 97a3f7a..1696762 100644 (file)
--- a/symm/sha3.c
+++ b/symm/sha3.c
@@ -231,7 +231,7 @@ static void leftenc_sz(shake_ctx *ctx, size_t n)
   octet b[9];
   unsigned i;
 
-  SET64(t, ((n&~MASK32) >> 16) >> 16, n&MASK32);
+  SET64(t, ((n&~(size_t)MASK32) >> 16) >> 16, n&MASK32);
   STORE64_B_(b + 1, t);
   for (i = 1; i < 8 && !b[i]; i++);
   i--; b[i] = 8 - i;
@@ -244,7 +244,7 @@ static void rightenc_sz(shake_ctx *ctx, size_t n)
   octet b[9];
   unsigned i;
 
-  SET64(t, ((n&~MASK32) >> 16) >> 16, n&MASK32);
+  SET64(t, ((n&~(size_t)MASK32) >> 16) >> 16, n&MASK32);
   STORE64_B_(b, t);
   for (i = 0; i < 7 && !b[i]; i++);
   b[8] = 8 - i;