X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/e7ca473e61abe08456d2cfc7eed9e118c950e884..3d5040f8f85f049cbb072a827a6184b4b4314b08:/sshpubk.c

diff --git a/sshpubk.c b/sshpubk.c
index 4db37c2b..ac9e0fa7 100644
--- a/sshpubk.c
+++ b/sshpubk.c
@@ -73,7 +73,7 @@ static int loadrsakey_main(FILE * fp, struct RSAKey *key, int pub_only,
     i += j;
 
     /* Next, the comment field. */
-    j = GET_32BIT(buf + i);
+    j = toint(GET_32BIT(buf + i));
     i += 4;
     if (j < 0 || len - i < j)
 	goto end;
@@ -463,7 +463,7 @@ static int read_header(FILE * fp, char *header)
     int len = 39;
     int c;
 
-    while (len > 0) {
+    while (1) {
 	c = fgetc(fp);
 	if (c == '\n' || c == '\r' || c == EOF)
 	    return 0;		       /* failure */
@@ -1008,6 +1008,8 @@ int ssh2_userkey_encrypted(const Filename *filename, char **commentptr)
 
     if (commentptr)
 	*commentptr = comment;
+    else
+        sfree(comment);
 
     fclose(fp);
     if (!strcmp(b, "aes256-cbc"))