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/*************************************************
* PK Key Types Header File *
* (C) 1999-2006 The Botan Project *
*************************************************/
#ifndef BOTAN_PK_KEYS_H__
#define BOTAN_PK_KEYS_H__
#include <botan/base.h>
#include <botan/asn1_oid.h>
namespace Botan {
/*************************************************
* Generic PK Key *
*************************************************/
class PK_Key
{
public:
virtual std::string algo_name() const = 0;
virtual OID get_oid() const;
virtual u32bit max_input_bits() const { return 0; }
virtual bool check_key(bool) const { return true; }
virtual u32bit message_parts() const { return 1; }
virtual u32bit message_part_size() const { return 0; }
virtual ~PK_Key() {}
protected:
void check_loaded_public() const;
void check_loaded_private() const;
void check_generated_private() const;
};
/*************************************************
* PK Encrypting Key *
*************************************************/
class PK_Encrypting_Key : public virtual PK_Key
{
public:
virtual SecureVector<byte> encrypt(const byte[], u32bit) const = 0;
virtual ~PK_Encrypting_Key() {}
};
/*************************************************
* PK Decrypting Key *
*************************************************/
class PK_Decrypting_Key : public virtual PK_Key
{
public:
virtual SecureVector<byte> decrypt(const byte[], u32bit) const = 0;
virtual ~PK_Decrypting_Key() {}
};
/*************************************************
* PK Signing Key *
*************************************************/
class PK_Signing_Key : public virtual PK_Key
{
public:
virtual SecureVector<byte> sign(const byte[], u32bit) const = 0;
virtual ~PK_Signing_Key() {}
};
/*************************************************
* PK Verifying Key, Message Recovery Version *
*************************************************/
class PK_Verifying_with_MR_Key : public virtual PK_Key
{
public:
virtual SecureVector<byte> verify(const byte[], u32bit) const = 0;
virtual ~PK_Verifying_with_MR_Key() {}
};
/*************************************************
* PK Verifying Key, No Message Recovery Version *
*************************************************/
class PK_Verifying_wo_MR_Key : public virtual PK_Key
{
public:
virtual bool verify(const byte[], u32bit,
const byte[], u32bit) const = 0;
virtual ~PK_Verifying_wo_MR_Key() {}
};
/*************************************************
* PK Secret Value Derivation Key *
*************************************************/
class PK_Key_Agreement_Key : public virtual PK_Key
{
public:
virtual SecureVector<byte> derive_key(const byte[], u32bit) const = 0;
virtual MemoryVector<byte> public_value() const = 0;
virtual ~PK_Key_Agreement_Key() {}
};
typedef PK_Key_Agreement_Key PK_KA_Key;
}
#endif
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