Keep RC5 bit shifts in [0..31]

Reviewed-by: Richard Levitte <levitte@openssl.org>

diff --git a/crypto/rc5/rc5_locl.h b/crypto/rc5/rc5_locl.h
index 994444033401ec86e1e7900622ba4c407c11b7c9..6b34f923a662e162056ffd4987eb7c2b35cd7552 100644 (file)
--- a/crypto/rc5/rc5_locl.h
+++ b/crypto/rc5/rc5_locl.h
@@ -170,10 +170,10 @@
 # endif
 #endif
 #ifndef ROTATE_l32
-# define ROTATE_l32(a,n)     (((a)<<(n&0x1f))|(((a)&0xffffffff)>>(32-(n&0x1f))))
+# define ROTATE_l32(a,n)     (((a)<<(n&0x1f))|(((a)&0xffffffff)>>((32-n)&0x1f)))
 #endif
 #ifndef ROTATE_r32
-# define ROTATE_r32(a,n)     (((a)<<(32-(n&0x1f)))|(((a)&0xffffffff)>>(n&0x1f)))
+# define ROTATE_r32(a,n)     (((a)<<((32-n)&0x1f))|(((a)&0xffffffff)>>(n&0x1f)))
 #endif
 
 #define RC5_32_MASK     0xffffffffL