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(C) RSA OAEP PaddingDemonstrates how to use OAEP padding with the RSA encryption algorithm. More information about OAEP Padding.
#include <C_CkRsa.h> void ChilkatSample(void) { HCkRsa rsa; const char *publicKey; BOOL success; const char *plainText; BOOL usePrivateKey; const char *encryptedStr; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. rsa = CkRsa_Create(); // RSA public key in XML format: publicKey = "<RSAPublicKey><Modulus>of3im3mRgd2NLXIGoK6uYLg6jj0Ug2b42rnqa5Tbwz2ieFqMJqt+++x2oqLYGurlz49nt+7/785g3XYWqoka4u9c9zul6YubIjnBM72dQy7rEkEfbUxgjcxqXyjZFx+FpaxFUecLu688XEu+9UA42VKiCgcl+E7TrqnfeeYpNXc=</Modulus><Exponent>AQAB</Exponent></RSAPublicKey>"; success = CkRsa_ImportPublicKey(rsa,publicKey); // To use Optimal Asymmetric Encryption Padding (OAEP) padding, // simply set the OaepPadding property: CkRsa_putOaepPadding(rsa,TRUE); // Encrypt a string and return the encrypted data base64-encoded: CkRsa_putEncodingMode(rsa,"base64"); plainText = "RSA Encryption should be easy."; usePrivateKey = FALSE; encryptedStr = CkRsa_encryptStringENC(rsa,plainText,usePrivateKey); printf("%s\n",encryptedStr); CkRsa_Dispose(rsa); } |
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