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long ElGamal private key

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orignal 2015-01-05 19:32:46 -05:00
parent 7e4c416bc1
commit 3e13a1feed
3 changed files with 17 additions and 6 deletions
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12
ElGamal.h
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@ -4,6 +4,7 @@
#include <inttypes.h>
#include <cryptopp/integer.h>
#include <cryptopp/osrng.h>
#include <cryptopp/dh.h>
#include <cryptopp/sha.h>
#include "CryptoConst.h"
#include "Log.h"
@ -70,6 +71,17 @@ namespace crypto
memcpy (data, m + 33, 222);
return true;
}
inline void GenerateElGamalKeyPair (CryptoPP::RandomNumberGenerator& rnd, uint8_t * priv, uint8_t * pub)
{
#if defined(__x86_64__) || defined(__i386__) || defined(_MSC_VER)
rnd.GenerateBlock (priv, 256);
a_exp_b_mod_c (elgg, CryptoPP::Integer (priv, 256), elgp).Encode (pub, 256);
#else
CryptoPP::DH dh (elgp, elgg);
dh.GenerateKeyPair(rnd, priv, pub);
#endif
}
}
}