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38 lines
997 B
C++
38 lines
997 B
C++
//------------------------------------------------------------------------------
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/*
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Copyright (c) 2011-2013, OpenCoin, Inc.
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*/
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//==============================================================================
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std::string DH_der_gen (int iKeyLength)
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{
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DH* dh = 0;
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int iCodes;
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std::string strDer;
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do
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{
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dh = DH_generate_parameters (iKeyLength, DH_GENERATOR_5, NULL, NULL);
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iCodes = 0;
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DH_check (dh, &iCodes);
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}
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while (iCodes & (DH_CHECK_P_NOT_PRIME | DH_CHECK_P_NOT_SAFE_PRIME | DH_UNABLE_TO_CHECK_GENERATOR | DH_NOT_SUITABLE_GENERATOR));
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strDer.resize (i2d_DHparams (dh, NULL));
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unsigned char* next = reinterpret_cast<unsigned char*> (&strDer[0]);
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(void) i2d_DHparams (dh, &next);
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return strDer;
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}
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DH* DH_der_load (const std::string& strDer)
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{
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const unsigned char* pbuf = reinterpret_cast<const unsigned char*> (&strDer[0]);
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return d2i_DHparams (NULL, &pbuf, strDer.size ());
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}
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// vim:ts=4
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