X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=sshrsa.c;h=b862d3f6bb411cb905422cf08debf14cd63b61aa;hb=d3b993a9c1d5e66f5432fa73f1435ada191142ca;hp=baec83e02d517e046557895d8c7623d76df6ce08;hpb=e7470a08cd0967ba9880e39903f45e5a2f14f976;p=PuTTY.git

diff --git a/sshrsa.c b/sshrsa.c
index baec83e0..b862d3f6 100644
--- a/sshrsa.c
+++ b/sshrsa.c
@@ -10,18 +10,6 @@
 #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); }
-
 int makekey(unsigned char *data, int len, struct RSAKey *result,
 	    unsigned char **keystr, int order)
 {
@@ -802,6 +790,7 @@ static unsigned char *rsa2_sign(void *key, char *data, int datalen,
     SHA_Simple(data, datalen, hash);
 
     nbytes = (bignum_bitcount(rsa->modulus) - 1) / 8;
+    assert(1 <= nbytes - 20 - ASN1_LEN);
     bytes = snewn(nbytes, unsigned char);
 
     bytes[0] = 1;