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diff --git a/libs/libtomcrypt/pk/asn1/der/boolean/der_encode_boolean.c b/libs/libtomcrypt/pk/asn1/der/boolean/der_encode_boolean.c
new file mode 100644
index 0000000..9344a79
--- /dev/null
+++ b/libs/libtomcrypt/pk/asn1/der/boolean/der_encode_boolean.c
@@ -0,0 +1,51 @@
+/* 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, tomstdenis@gmail.com, http://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/**
+  @file der_encode_boolean.c
+  ASN.1 DER, encode a BOOLEAN, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Store a BOOLEAN
+  @param in       The boolean to encode
+  @param out      [out] The destination for the DER encoded BOOLEAN
+  @param outlen   [in/out] The max size and resulting size of the DER BOOLEAN
+  @return CRYPT_OK if successful
+*/
+int der_encode_boolean(int in, 
+                       unsigned char *out, unsigned long *outlen)
+{
+   LTC_ARGCHK(outlen != NULL);
+   LTC_ARGCHK(out    != NULL);
+   
+   if (*outlen < 3) {
+       *outlen = 3;
+       return CRYPT_BUFFER_OVERFLOW;
+   }
+   
+   *outlen = 3;
+   out[0] = 0x01;
+   out[1] = 0x01;
+   out[2] = in ? 0xFF : 0x00;
+   
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/boolean/der_encode_boolean.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/06/16 21:53:41 $ */