1 files changed, 96 insertions, 0 deletions
diff --git a/src/lib/asn1/asn1_oid.h b/src/lib/asn1/asn1_oid.h
new file mode 100644
index 000000000..a0b1edeba
--- /dev/null
+++ b/src/lib/asn1/asn1_oid.h
@@ -0,0 +1,96 @@
+/*
+* ASN.1 OID
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_ASN1_OID_H__
+#define BOTAN_ASN1_OID_H__
+
+#include <botan/asn1_obj.h>
+#include <string>
+#include <vector>
+
+namespace Botan {
+
+/**
+* This class represents ASN.1 object identifiers.
+*/
+class BOTAN_DLL OID : public ASN1_Object
+   {
+   public:
+      void encode_into(class DER_Encoder&) const;
+      void decode_from(class BER_Decoder&);
+
+      /**
+      * Find out whether this OID is empty
+      * @return true is no OID value is set
+      */
+      bool empty() const { return id.size() == 0; }
+
+      /**
+      * Get this OID as list (vector) of its components.
+      * @return vector representing this OID
+      */
+      const std::vector<u32bit>& get_id() const { return id; }
+
+      /**
+      * Get this OID as a string
+      * @return string representing this OID
+      */
+      std::string as_string() const;
+
+      /**
+      * Compare two OIDs.
+      * @return true if they are equal, false otherwise
+      */
+      bool operator==(const OID&) const;
+
+      /**
+      * Reset this instance to an empty OID.
+      */
+      void clear();
+
+      /**
+      * Add a component to this OID.
+      * @param new_comp the new component to add to the end of this OID
+      * @return reference to *this
+      */
+      OID& operator+=(u32bit new_comp);
+
+      /**
+      * Construct an OID from a string.
+      * @param str a string in the form "a.b.c" etc., where a,b,c are numbers
+      */
+      OID(const std::string& str = "");
+   private:
+      std::vector<u32bit> id;
+   };
+
+/**
+* Append another component onto the OID.
+* @param oid the OID to add the new component to
+* @param new_comp the new component to add
+*/
+OID BOTAN_DLL operator+(const OID& oid, u32bit new_comp);
+
+/**
+* Compare two OIDs.
+* @param a the first OID
+* @param b the second OID
+* @return true if a is not equal to b
+*/
+bool BOTAN_DLL operator!=(const OID& a, const OID& b);
+
+/**
+* Compare two OIDs.
+* @param a the first OID
+* @param b the second OID
+* @return true if a is lexicographically smaller than b
+*/
+bool BOTAN_DLL operator<(const OID& a, const OID& b);
+
+}
+
+#endif