Take advantage of PUT_32BIT_MSB_FIRST when constructing sequence numbers

[sgt/putty] / sshsha.c

diff --git a/sshsha.c b/sshsha.c
index 3011351..b2493f2 100644 (file)
--- a/sshsha.c
+++ b/sshsha.c
@@ -297,11 +297,7 @@ static void sha1_do_hmac(void *handle, unsigned char *blk, int len,
 {
     unsigned char seqbuf[4];
 
-    seqbuf[0] = (unsigned char) ((seq >> 24) & 0xFF);
-    seqbuf[1] = (unsigned char) ((seq >> 16) & 0xFF);
-    seqbuf[2] = (unsigned char) ((seq >> 8) & 0xFF);
-    seqbuf[3] = (unsigned char) ((seq) & 0xFF);
-
+    PUT_32BIT_MSB_FIRST(seqbuf, seq);
     hmacsha1_start(handle);
     hmacsha1_bytes(handle, seqbuf, 4);
     hmacsha1_bytes(handle, blk, len);