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(Unicode C) RSA Encrypt with Modulus and ExponentDemonstrates how to RSA encrypt with a given modulus and exponent.
#include <C_CkRsaW.h> #include <C_CkXmlW.h> void ChilkatSample(void) { HCkRsaW rsa; const wchar_t *modulus; const wchar_t *exponent; HCkXmlW xml; const wchar_t *publicKey; BOOL success; BOOL usePrivateKey; const wchar_t *plainText; const wchar_t *encryptedStrBase64; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. rsa = CkRsaW_Create(); // Assuming you already have a base64 modulus and exponent, // wrap it in XML like this: modulus = L"qMBRpdYrAy5aMmo31NErUizh5sbweguSmh4wlK6uJEIDl+kwTlROnE34KOFExeTbJSX0WygPi+vWl0yNq7buIMUKpytossAAWut5khO3CQJxTk7G2gnEPNUUXHiExGgNrLzcSLv8YIlfVALhoRWyC67KOL+a+3taNq3h+BHeWhM="; exponent = L"AQAB"; xml = CkXmlW_Create(); CkXmlW_putTag(xml,L"RSAPublicKey"); CkXmlW_NewChild2(xml,L"Modulus",modulus); CkXmlW_NewChild2(xml,L"Exponent",exponent); // Encrypt with the public key. publicKey = CkXmlW_getXml(xml); success = CkRsaW_ImportPublicKey(rsa,publicKey); usePrivateKey = FALSE; plainText = L"message in a bottle"; CkRsaW_putEncodingMode(rsa,L"base64"); encryptedStrBase64 = CkRsaW_encryptStringENC(rsa,plainText,usePrivateKey); wprintf(L"%s\n",encryptedStrBase64); CkRsaW_Dispose(rsa); CkXmlW_Dispose(xml); } |
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