From a2c99d3270eb73ef2db5704fc54356c6b75096f8 Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Thu, 18 May 2006 18:33:19 +0000
Subject: Initial checkin

---
 include/der_enc.h | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 include/der_enc.h

(limited to 'include/der_enc.h')

diff --git a/include/der_enc.h b/include/der_enc.h
new file mode 100644
index 000000000..b07c76172
--- /dev/null
+++ b/include/der_enc.h
@@ -0,0 +1,85 @@
+/*************************************************
+* DER Encoder Header File                        *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#ifndef BOTAN_DER_ENCODER_H__
+#define BOTAN_DER_ENCODER_H__
+
+#include <botan/asn1_oid.h>
+#include <vector>
+
+namespace Botan {
+
+/*************************************************
+* General DER Encoding Object                    *
+*************************************************/
+class DER_Encoder
+   {
+   public:
+      SecureVector<byte> get_contents();
+
+      DER_Encoder& start_sequence(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+      DER_Encoder& end_sequence(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+      DER_Encoder& start_set(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+      DER_Encoder& end_set(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+
+      DER_Encoder& start_sequence();
+      DER_Encoder& end_sequence();
+      DER_Encoder& start_set();
+      DER_Encoder& end_set();
+
+      DER_Encoder& start_explicit(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+      DER_Encoder& end_explicit(ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+
+      DER_Encoder& add_raw_octets(const byte[], u32bit);
+      DER_Encoder& add_raw_octets(const MemoryRegion<byte>&);
+
+      DER_Encoder& encode_null();
+      DER_Encoder& encode(bool);
+      DER_Encoder& encode(u32bit);
+      DER_Encoder& encode(const class BigInt&);
+      DER_Encoder& encode(const MemoryRegion<byte>&, ASN1_Tag);
+      DER_Encoder& encode(const byte[], u32bit, ASN1_Tag);
+
+      DER_Encoder& encode(bool, ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+      DER_Encoder& encode(u32bit, ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+      DER_Encoder& encode(const class BigInt&, ASN1_Tag,
+                          ASN1_Tag = CONTEXT_SPECIFIC);
+      DER_Encoder& encode(const MemoryRegion<byte>&, ASN1_Tag,
+                          ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+      DER_Encoder& encode(const byte[], u32bit, ASN1_Tag,
+                          ASN1_Tag, ASN1_Tag = CONTEXT_SPECIFIC);
+
+      DER_Encoder& encode(const class ASN1_Object&);
+      DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, const byte[], u32bit);
+      DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, const MemoryRegion<byte>&);
+      DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, const std::string&);
+      DER_Encoder& add_object(ASN1_Tag, ASN1_Tag, byte);
+
+      DER_Encoder();
+   private:
+      DER_Encoder& start_cons(ASN1_Tag, ASN1_Tag, bool);
+      DER_Encoder& end_cons(ASN1_Tag, ASN1_Tag);
+
+      class DER_Sequence
+         {
+         public:
+            ASN1_Tag tag_of() const;
+            SecureVector<byte> get_contents();
+            void add_bytes(const byte[], u32bit);
+            DER_Sequence(ASN1_Tag, ASN1_Tag, bool = false);
+         private:
+            ASN1_Tag type_tag, class_tag;
+            bool is_a_set;
+            SecureVector<byte> contents;
+            std::vector< SecureVector<byte> > set_contents;
+         };
+      SecureVector<byte> contents;
+      std::vector<DER_Sequence> subsequences;
+      u32bit sequence_level;
+   };
+
+}
+
+#endif
-- 
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