00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00023 #ifndef _CLASS_KEYAGREEMENT_H
00024 #define _CLASS_KEYAGREEMENT_H
00025
00026 #ifdef __cplusplus
00027
00028 #include "beecrypt/c++/crypto/KeyAgreementSpi.h"
00029 using beecrypt::crypto::KeyAgreementSpi;
00030 #include "beecrypt/c++/lang/Object.h"
00031 using beecrypt::lang::Object;
00032
00033 namespace beecrypt {
00034 namespace crypto {
00037 class BEECRYPTCXXAPI KeyAgreement : public beecrypt::lang::Object
00038 {
00039 public:
00040 static KeyAgreement* getInstance(const String&) throw (NoSuchAlgorithmException);
00041 static KeyAgreement* getInstance(const String&, const String&) throw (NoSuchAlgorithmException, NoSuchProviderException);
00042 static KeyAgreement* getInstance(const String&, const Provider&) throw (NoSuchAlgorithmException);
00043
00044 private:
00045 KeyAgreementSpi* _kspi;
00046 const Provider* _prov;
00047 String _algo;
00048
00049 protected:
00050 KeyAgreement(KeyAgreementSpi* spi, const Provider* provider, const String& algorithm);
00051
00052 public:
00053 virtual ~KeyAgreement();
00054
00055 void init(const Key&, SecureRandom* = 0) throw (InvalidKeyException);
00056 void init(const Key&, const AlgorithmParameterSpec&, SecureRandom* = 0) throw (InvalidKeyException);
00057
00058 Key* doPhase(const Key&, bool) throw (InvalidKeyException, IllegalStateException);
00059
00060 bytearray* generateSecret() throw (IllegalStateException);
00061 size_t generateSecret(bytearray&, size_t) throw (IllegalStateException, ShortBufferException);
00062 SecretKey* generateSecret(const String&) throw (IllegalStateException, NoSuchAlgorithmException, InvalidKeyException);
00063 };
00064 }
00065 }
00066
00067 #endif
00068
00069 #endif