Unicode C++

Load RSA Public Key from Hex Modulus and Exponent

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Load an RSA public key from a hex modulus and exponent. Unicode C++

#include <CkBinDataW.h>
#include <CkXmlW.h>
#include <CkPublicKeyW.h>

void ChilkatSample(void)
    {
    bool success = false;

    // Load a 128-byte (1024-bit) modulus + exponent into a Chilkat public key object..
    const wchar_t *modulus = L"BF5F4AF9A018B5F324A0C10448C0D3248D9BE78967FDC551A27876AC5789ADCBA8245D3D942AE3799563D895DA801E765D225A54FA15DAB2C4731DD817DCF94A9AD62197074C2349442093A206234BF3747F0E88AA6F538355684CC1FB26FCE029C9050A1DAF9F507C2BABF6EFC9FB16320C8036721BE0279FBB76122C41E429";

    const wchar_t *exponent = L"00000003";

    // We'll need to re-encode from hex to base64..
    CkBinDataW bdModulus;
    bdModulus.AppendEncoded(modulus,L"hex");
    CkBinDataW bdExponent;
    bdExponent.AppendEncoded(exponent,L"hex");

    CkXmlW xml;
    xml.put_Tag(L"RsaKeyValue");
    xml.NewChild2(L"Modulus",bdModulus.getEncoded(L"base64"));
    xml.NewChild2(L"Exponent",bdExponent.getEncoded(L"base64"));

    // Now load into the pubkey object..
    CkPublicKeyW pubkey;
    success = pubkey.LoadFromString(xml.getXml());
    if (success == false) {
        wprintf(L"%s\n",pubkey.lastErrorText());
        return;
    }

    wprintf(L"Success.\n");
    }