arne
/
cryptopp
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Use ASN1::elGamal() in ElGamal keys (GH #876)

master
Jeffrey Walton 2019-08-24 16:17:03 -04:00
parent a7e83e6bf4
commit a2c06c35b8
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
1 changed files with 22 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
elgamal.h
View File

@ -12,7 +12,9 @@
#include "gfpcrypt.h"
#include "pubkey.h"
#include "misc.h"
#include "oids.h"
#include "dsa.h"
#include "asn.h"
NAMESPACE_BEGIN(CryptoPP)
@ -114,6 +116,24 @@ protected:
const DL_SymmetricEncryptionAlgorithm & GetSymmetricEncryptionAlgorithm() const {return *this;}
};
template <class BASE>
struct DL_PublicKey_ElGamal : public BASE
{
virtual ~DL_PublicKey_ElGamal() {}
virtual OID GetAlgorithmID() const {
return ASN1::elGamal();
}
};
template <class BASE>
struct DL_PrivateKey_ElGamal : public BASE
{
virtual ~DL_PrivateKey_ElGamal() {}
virtual OID GetAlgorithmID() const {
return ASN1::elGamal();
}
};
/// \brief ElGamal key agreement and encryption schemes keys
/// \details The ElGamalKeys class used DL_PrivateKey_GFP_OldFormat and DL_PublicKey_GFP_OldFormat
/// for the PrivateKey and PublicKey typedef from about Crypto++ 1.0 through Crypto++ 5.6.5.
@ -122,8 +142,8 @@ protected:
struct ElGamalKeys
{
typedef DL_CryptoKeys_GFP::GroupParameters GroupParameters;
typedef DL_CryptoKeys_GFP::PrivateKey PrivateKey;
typedef DL_CryptoKeys_GFP::PublicKey PublicKey;
typedef DL_PrivateKey_ElGamal<DL_CryptoKeys_GFP::PrivateKey> PrivateKey;
typedef DL_PublicKey_ElGamal<DL_CryptoKeys_GFP::PublicKey> PublicKey;
};
/// \brief ElGamal encryption scheme with non-standard padding