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authorJim Meyering <jim@meyering.net>2000-10-22 21:09:43 +0000
committerJim Meyering <jim@meyering.net>2000-10-22 21:09:43 +0000
commitbf660d1331e6fb052b4ecb8e875b8a93431705b1 (patch)
treedbbe12b2b554db7d9ffa58d26fa4925e419a4553 /lib
parent7bb9c7382ff3d4a31aa6e79bd03b2890d5d0ffe6 (diff)
downloadcoreutils-bf660d1331e6fb052b4ecb8e875b8a93431705b1.tar.xz
(md5_process_block) [OP]: Use `rol', not CYCLIC.
[CYCLIC]: Remove now-unused definition.
Diffstat (limited to 'lib')
-rw-r--r--lib/md5.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/md5.c b/lib/md5.c
index d742c54f6..1908fa820 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -304,19 +304,16 @@ md5_process_block (buffer, len, ctx)
{ \
a += FF (b, c, d) + (*cwp++ = SWAP (*words)) + T; \
++words; \
- CYCLIC (a, s); \
+ a = rol (a, s); \
a += b; \
} \
while (0)
- /* It is unfortunate that C does not provide an operator for
- cyclic rotation. Hope the C compiler is smart enough. */
-#define CYCLIC(w, s) (w = (w << s) | (w >> (32 - s)))
-
/* Before we start, one word to the strange constants.
They are defined in RFC 1321 as
- T[i] = (int) (4294967296.0 * fabs (sin (i))), i=1..64
+ T[i] = (int) (4294967296.0 * fabs (sin (i))), i=1..64, or
+ perl -e 'foreach(1..64){printf "0x%08x\n", int (4294967296 * abs (sin $_))}'
*/
/* Round 1. */
@@ -345,7 +342,7 @@ md5_process_block (buffer, len, ctx)
do \
{ \
a += f (b, c, d) + correct_words[k] + T; \
- CYCLIC (a, s); \
+ a = rol (a, s); \
a += b; \
} \
while (0)