1 files changed, 149 insertions, 0 deletions
diff --git a/lib/pubkey/pk_keys.h b/lib/pubkey/pk_keys.h
new file mode 100644
index 000000000..a8585c154
--- /dev/null
+++ b/lib/pubkey/pk_keys.h
@@ -0,0 +1,149 @@
+/*
+* PK Key Types
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_PK_KEYS_H__
+#define BOTAN_PK_KEYS_H__
+
+#include <botan/secmem.h>
+#include <botan/asn1_oid.h>
+#include <botan/alg_id.h>
+#include <botan/rng.h>
+
+namespace Botan {
+
+/**
+* Public Key Base Class.
+*/
+class BOTAN_DLL Public_Key
+   {
+   public:
+      /**
+      * Get the name of the underlying public key scheme.
+      * @return name of the public key scheme
+      */
+      virtual std::string algo_name() const = 0;
+
+      /**
+      * Return the estimated strength of the underlying key against
+      * the best currently known attack. Note that this ignores anything
+      * but pure attacks against the key itself and do not take into
+      * account padding schemes, usage mistakes, etc which might reduce
+      * the strength. However it does suffice to provide an upper bound.
+      *
+      * @return estimated strength in bits
+      */
+      virtual size_t estimated_strength() const = 0;
+
+      /**
+      * Get the OID of the underlying public key scheme.
+      * @return OID of the public key scheme
+      */
+      virtual OID get_oid() const;
+
+      /**
+      * Test the key values for consistency.
+      * @param rng rng to use
+      * @param strong whether to perform strong and lengthy version
+      * of the test
+      * @return true if the test is passed
+      */
+      virtual bool check_key(RandomNumberGenerator& rng,
+                             bool strong) const = 0;
+
+      /**
+      * Find out the number of message parts supported by this scheme.
+      * @return number of message parts
+      */
+      virtual size_t message_parts() const { return 1; }
+
+      /**
+      * Find out the message part size supported by this scheme/key.
+      * @return size of the message parts in bits
+      */
+      virtual size_t message_part_size() const { return 0; }
+
+      /**
+      * Get the maximum message size in bits supported by this public key.
+      * @return maximum message size in bits
+      */
+      virtual size_t max_input_bits() const = 0;
+
+      /**
+      * @return X.509 AlgorithmIdentifier for this key
+      */
+      virtual AlgorithmIdentifier algorithm_identifier() const = 0;
+
+      /**
+      * @return X.509 subject key encoding for this key object
+      */
+      virtual std::vector<byte> x509_subject_public_key() const = 0;
+
+      virtual ~Public_Key() {}
+   protected:
+      /**
+      * Self-test after loading a key
+      * @param rng a random number generator
+      */
+      virtual void load_check(RandomNumberGenerator& rng) const;
+   };
+
+/**
+* Private Key Base Class
+*/
+class BOTAN_DLL Private_Key : public virtual Public_Key
+   {
+   public:
+      /**
+      * @return PKCS #8 private key encoding for this key object
+      */
+      virtual secure_vector<byte> pkcs8_private_key() const = 0;
+
+      /**
+      * @return PKCS #8 AlgorithmIdentifier for this key
+      * Might be different from the X.509 identifier, but normally is not
+      */
+      virtual AlgorithmIdentifier pkcs8_algorithm_identifier() const
+         { return algorithm_identifier(); }
+
+   protected:
+      /**
+      * Self-test after loading a key
+      * @param rng a random number generator
+      */
+      void load_check(RandomNumberGenerator& rng) const;
+
+      /**
+      * Self-test after generating a key
+      * @param rng a random number generator
+      */
+      void gen_check(RandomNumberGenerator& rng) const;
+   };
+
+/**
+* PK Secret Value Derivation Key
+*/
+class BOTAN_DLL PK_Key_Agreement_Key : public virtual Private_Key
+   {
+   public:
+      /*
+      * @return public component of this key
+      */
+      virtual std::vector<byte> public_value() const = 0;
+
+      virtual ~PK_Key_Agreement_Key() {}
+   };
+
+/*
+* Typedefs
+*/
+typedef PK_Key_Agreement_Key PK_KA_Key;
+typedef Public_Key X509_PublicKey;
+typedef Private_Key PKCS8_PrivateKey;
+
+}
+
+#endif