Introduce a new utility function smemclr(), which memsets things to

[sgt/putty] / windows / winpgnt.c

diff --git a/windows/winpgnt.c b/windows/winpgnt.c
index 291593e..21a69cc 100644 (file)
--- a/windows/winpgnt.c
+++ b/windows/winpgnt.c
@@ -174,7 +174,7 @@ static void forget_passphrases(void)
 {
     while (count234(passphrases) > 0) {
        char *pp = index234(passphrases, 0);
-       memset(pp, 0, strlen(pp));
+       smemclr(pp, strlen(pp));
        delpos234(passphrases, 0);
        free(pp);
     }
@@ -968,7 +968,7 @@ static void answer_msg(void *msg)
            MD5Init(&md5c);
            MD5Update(&md5c, response_source, 48);
            MD5Final(response_md5, &md5c);
-           memset(response_source, 0, 48);     /* burn the evidence */
+           smemclr(response_source, 48);       /* burn the evidence */
            freebn(response);          /* and that evidence */
            freebn(challenge);         /* yes, and that evidence */
            freebn(reqkey.exponent);   /* and free some memory ... */