[PATCH 0.5/4 :) ] ROR -> ror32

From: Denis Vlasenko
Date: Sun Jul 03 2005 - 08:04:04 EST


Remove local ROR, use ror32 instead.
diff -urpN linux-2.6.12.0.orig/crypto/des.c linux-2.6.12.05.n/crypto/des.c
--- linux-2.6.12.0.orig/crypto/des.c Tue Oct 19 00:55:29 2004
+++ linux-2.6.12.05.n/crypto/des.c Sun Jul 3 15:27:12 2005
@@ -35,8 +35,6 @@
#define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS)
#define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE

-#define ROR(d,c,o) ((d) = (d) >> (c) | (d) << (o))
-
struct des_ctx {
u8 iv[DES_BLOCK_SIZE];
u32 expkey[DES_EXPKEY_WORDS];
@@ -1159,9 +1157,7 @@ not_weak:
w |= (b1[k[18+24]] | b0[k[19+24]]) << 4;
w |= (b1[k[20+24]] | b0[k[21+24]]) << 2;
w |= b1[k[22+24]] | b0[k[23+24]];
-
- ROR(w, 4, 28); /* could be eliminated */
- expkey[1] = w;
+ expkey[1] = ror32(w, 4); /* could be eliminated */

k += 48;
expkey += 2;