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reduced memory usage

pull/163/head
orignal 10 years ago
parent
commit
5bc854bedc
  1. 11
      ElGamal.h

11
ElGamal.h

@ -18,10 +18,12 @@ namespace crypto @@ -18,10 +18,12 @@ namespace crypto
{
public:
ElGamalEncryption (const uint8_t * key):
y (key, 256), k (rnd, CryptoPP::Integer::One(), elgp-1),
a (a_exp_b_mod_c (elgg, k, elgp)), b1 (a_exp_b_mod_c (y, k, elgp))
ElGamalEncryption (const uint8_t * key)
{
CryptoPP::AutoSeededRandomPool rnd;
CryptoPP::Integer y (key, 256), k (rnd, CryptoPP::Integer::One(), elgp-1);
a = a_exp_b_mod_c (elgg, k, elgp);
b1 = a_exp_b_mod_c (y, k, elgp);
}
void Encrypt (const uint8_t * data, int len, uint8_t * encrypted, bool zeroPadding = false)
@ -50,8 +52,7 @@ namespace crypto @@ -50,8 +52,7 @@ namespace crypto
private:
CryptoPP::AutoSeededRandomPool rnd;
CryptoPP::Integer y, k, a, b1;
CryptoPP::Integer a, b1;
};
inline bool ElGamalDecrypt (const uint8_t * key, const uint8_t * encrypted,

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