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(Unicode C++) RSA Sign utf-8 Byte Representation of StringDemontstrates how to sign the utf-8 byte representation of a string. Note: This example requires Chilkat v11.0.0 or greater.
#include <CkPrivateKeyW.h> #include <CkRsaW.h> void ChilkatSample(void) { bool success = false; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Load an RSA private key for signing. CkPrivateKeyW privKey; success = privKey.LoadEncryptedPemFile(L"qa_data/pem/rsa_passwd.pem",L"passwd"); if (success == false) { wprintf(L"%s\n",privKey.lastErrorText()); return; } CkRsaW rsa; success = rsa.UsePrivateKey(privKey); if (success == false) { wprintf(L"%s\n",rsa.lastErrorText()); return; } const wchar_t *originalData = L"This is the string to be hashed an RSA signed."; // Indicate that we want the utf-8 byte representation of the string to be signed rsa.put_Charset(L"utf-8"); // We want the RSA signature in base64 format rsa.put_EncodingMode(L"base64"); const wchar_t *sigBase64 = rsa.signStringENC(originalData,L"sha256"); wprintf(L"%s\n",sigBase64); } |
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