1 files changed, 110 insertions, 0 deletions
diff --git a/src/pubkey/pk_codecs/x509_key.h b/src/pubkey/pk_codecs/x509_key.h
new file mode 100644
index 000000000..9404b7ecc
--- /dev/null
+++ b/src/pubkey/pk_codecs/x509_key.h
@@ -0,0 +1,110 @@
+/*
+* X.509 Public Key
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_X509_PUBLIC_KEY_H__
+#define BOTAN_X509_PUBLIC_KEY_H__
+
+#include <botan/pipe.h>
+#include <botan/pk_keys.h>
+#include <botan/alg_id.h>
+#include <botan/pubkey_enums.h>
+
+namespace Botan {
+
+/**
+* This class represents abstract X.509 public key encoders.
+*/
+class BOTAN_DLL X509_Encoder
+   {
+   public:
+      virtual AlgorithmIdentifier alg_id() const = 0;
+      virtual MemoryVector<byte> key_bits() const = 0;
+      virtual ~X509_Encoder() {}
+   };
+
+/**
+* This class represents abstract X.509 public key decoders.
+*/
+class BOTAN_DLL X509_Decoder
+   {
+   public:
+      virtual void alg_id(const AlgorithmIdentifier&) = 0;
+      virtual void key_bits(const MemoryRegion<byte>&) = 0;
+      virtual ~X509_Decoder() {}
+   };
+
+/**
+* This namespace contains functions for handling X509 objects.
+*/
+namespace X509 {
+
+/*
+* X.509 Public Key Encoding/Decoding
+*/
+
+/**
+* Encode a key into a pipe.
+* @param key the public key to encode
+* @param pipe the pipe to feed the encoded key into
+* @param enc the encoding type to use
+*/
+BOTAN_DLL void encode(const Public_Key& key, Pipe& pipe,
+                      X509_Encoding enc = PEM);
+
+/**
+* PEM encode a public key into a string.
+* @param key the key to encode
+* @return the PEM encoded key
+*/
+BOTAN_DLL std::string PEM_encode(const Public_Key& key);
+
+/**
+* Create a public key from a data source.
+* @param source the source providing the DER or PEM encoded key
+* @return the new public key object
+*/
+BOTAN_DLL Public_Key* load_key(DataSource& source);
+
+/**
+* Create a public key from a string.
+* @param enc the string containing the PEM encoded key
+* @return the new public key object
+*/
+BOTAN_DLL Public_Key* load_key(const std::string& enc);
+
+/**
+* Create a public key from a memory region.
+* @param enc the memory region containing the DER or PEM encoded key
+* @return the new public key object
+*/
+BOTAN_DLL Public_Key* load_key(const MemoryRegion<byte>& enc);
+
+/**
+* Copy a key.
+* @param key the public key to copy
+* @return the new public key object
+*/
+BOTAN_DLL Public_Key* copy_key(const Public_Key& key);
+
+/**
+* Create the key constraints for a specific public key.
+* @param pub_key the public key from which the basic set of
+* constraints to be placed in the return value is derived
+* @param limits additional limits that will be incorporated into the
+* return value
+* @return the combination of key type specific constraints and
+* additional limits
+*/
+
+BOTAN_DLL Key_Constraints find_constraints(const Public_Key& pub_key,
+                                           Key_Constraints limits);
+
+}
+
+}
+
+#endif