--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/der_put_multi_integer.c	Sun Dec 19 11:34:45 2004 +0000
@@ -0,0 +1,49 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, [email protected], http://libtomcrypt.org
+ */
+#include <stdarg.h>
+#include "mycrypt.h"
+
+/* store multiple mp_ints in DER INTEGER format to the dst, will not
+ * overflow the length you give it [outlen] and store the number of 
+ * bytes used in [outlen] 
+ */
+int der_put_multi_integer(unsigned char *dst, unsigned long *outlen, 
+                  mp_int *num, ...)
+{
+   va_list        args;
+   mp_int        *next;
+   unsigned long  wrote, len;
+   int            err;
+
+   _ARGCHK(dst    != NULL);
+   _ARGCHK(outlen != NULL);
+
+   /* setup va list */
+   next  = num;
+   len   = *outlen;
+   wrote = 0;
+   va_start(args, num);
+
+   while (next != NULL) {
+        if ((err = der_encode_integer(next, dst, outlen)) != CRYPT_OK) {
+           va_end(args);
+           return err;
+        }
+        wrote   += *outlen;
+        dst     += *outlen;
+        len     -= *outlen;
+        *outlen  = len;
+        next     = va_arg(args, mp_int*);
+   }
+   va_end(args);
+   *outlen = wrote;
+   return CRYPT_OK;
+}