X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/47a6b94c2389f0e2a4f42706818a12369746b713..6a39dcb4c16dc334a546d1567a3b80567a0e3bfc:/sshdss.c

diff --git a/sshdss.c b/sshdss.c
index fa3ac384..7c95d11b 100644
--- a/sshdss.c
+++ b/sshdss.c
@@ -1,3 +1,7 @@
+/*
+ * Digital Signature Standard implementation for PuTTY.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <assert.h>
@@ -5,18 +9,6 @@
 #include "ssh.h"
 #include "misc.h"
 
-#define GET_32BIT(cp) \
-    (((unsigned long)(unsigned char)(cp)[0] << 24) | \
-    ((unsigned long)(unsigned char)(cp)[1] << 16) | \
-    ((unsigned long)(unsigned char)(cp)[2] << 8) | \
-    ((unsigned long)(unsigned char)(cp)[3]))
-
-#define PUT_32BIT(cp, value) { \
-    (cp)[0] = (unsigned char)((value) >> 24); \
-    (cp)[1] = (unsigned char)((value) >> 16); \
-    (cp)[2] = (unsigned char)((value) >> 8); \
-    (cp)[3] = (unsigned char)(value); }
-
 static void sha_mpint(SHA_State * s, Bignum b)
 {
     unsigned char lenbuf[4];
@@ -239,14 +231,14 @@ static int dss_verifysig(void *key, char *sig, int siglen,
 #endif
     /*
      * Commercial SSH (2.0.13) and OpenSSH disagree over the format
-     * of a DSA signature. OpenSSH is in line with the IETF drafts:
+     * of a DSA signature. OpenSSH is in line with RFC 4253:
      * it uses a string "ssh-dss", followed by a 40-byte string
      * containing two 160-bit integers end-to-end. Commercial SSH
      * can't be bothered with the header bit, and considers a DSA
      * signature blob to be _just_ the 40-byte string containing
      * the two 160-bit integers. We tell them apart by measuring
      * the length: length 40 means the commercial-SSH bug, anything
-     * else is assumed to be IETF-compliant.
+     * else is assumed to be RFC-compliant.
      */
     if (siglen != 40) {		       /* bug not present; read admin fields */
 	getstring(&sig, &siglen, &p, &slen);