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/*************************************************
* PK Key Types Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_PK_KEYS_H__
#define BOTAN_PK_KEYS_H__
#include <botan/secmem.h>
#include <botan/asn1_oid.h>
#include <botan/rng.h>
namespace Botan {
/*************************************************
* Public Key Base Class *
*************************************************/
class BOTAN_DLL Public_Key
{
public:
virtual std::string algo_name() const = 0;
virtual OID get_oid() const;
virtual bool check_key(RandomNumberGenerator&, bool) const
{ return true; }
virtual u32bit message_parts() const { return 1; }
virtual u32bit message_part_size() const { return 0; }
virtual u32bit max_input_bits() const = 0;
virtual class X509_Encoder* x509_encoder() const = 0;
virtual class X509_Decoder* x509_decoder() = 0;
virtual ~Public_Key() {}
protected:
virtual void load_check(RandomNumberGenerator&) const;
};
/*************************************************
* Private Key Base Class *
*************************************************/
class BOTAN_DLL Private_Key : public virtual Public_Key
{
public:
virtual class PKCS8_Encoder* pkcs8_encoder() const
{ return 0; }
virtual class PKCS8_Decoder* pkcs8_decoder(RandomNumberGenerator&)
{ return 0; }
protected:
void load_check(RandomNumberGenerator&) const;
void gen_check(RandomNumberGenerator&) const;
};
/*************************************************
* PK Encrypting Key *
*************************************************/
class BOTAN_DLL PK_Encrypting_Key : public virtual Public_Key
{
public:
virtual SecureVector<byte> encrypt(const byte[], u32bit,
RandomNumberGenerator&) const = 0;
virtual ~PK_Encrypting_Key() {}
};
/*************************************************
* PK Decrypting Key *
*************************************************/
class BOTAN_DLL PK_Decrypting_Key : public virtual Private_Key
{
public:
virtual SecureVector<byte> decrypt(const byte[], u32bit) const = 0;
virtual ~PK_Decrypting_Key() {}
};
/*************************************************
* PK Signing Key *
*************************************************/
class BOTAN_DLL PK_Signing_Key : public virtual Private_Key
{
public:
virtual SecureVector<byte> sign(const byte[], u32bit,
RandomNumberGenerator& rng) const = 0;
virtual ~PK_Signing_Key() {}
};
/*************************************************
* PK Verifying Key, Message Recovery Version *
*************************************************/
class BOTAN_DLL PK_Verifying_with_MR_Key : public virtual Public_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 BOTAN_DLL PK_Verifying_wo_MR_Key : public virtual Public_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 BOTAN_DLL PK_Key_Agreement_Key : public virtual Private_Key
{
public:
virtual SecureVector<byte> derive_key(const byte[], u32bit) const = 0;
virtual MemoryVector<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
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