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(MFC) Encrypting or Hashing Hex or Base64 Encoded Binary DataThis example demonstrates how to encrypt binary input data that is in an encoded string form, such as "hex" or "base64". The goal is to do the following:
#include <CkCrypt2.h> void ChilkatSample(void) { CkString strOut; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkCrypt2 crypt; const char *sHexBinary = "9D4203A3FF07791A1CD7FB0075D179E14E8B9DBEBFDE24F6D04613B8397B328E"; // The input is hex-encoded binary data, so set the Charset property = "hex" // The Charset can also be "base64". crypt.put_Charset("hex"); // The output will be encoded to hex also. crypt.put_EncodingMode("hex"); crypt.put_HashAlgorithm("ripemd160"); const char *hash = crypt.hashStringENC(sHexBinary); strOut.append("RIPEMD160: "); strOut.append(hash); strOut.append("\r\n"); // Important: This example requires Chilkat v9.5.0.49 or greater to work correctly. // The same can be accomplished w/ encryption: crypt.put_CryptAlgorithm("aes"); crypt.put_CipherMode("cbc"); crypt.put_KeyLength(256); crypt.put_PaddingScheme(0); crypt.put_Charset("hex"); crypt.put_EncodingMode("hex"); const char *ivHex = "000102030405060708090A0B0C0D0E0F"; crypt.SetEncodedIV(ivHex,"hex"); const char *keyHex = "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F"; crypt.SetEncodedKey(keyHex,"hex"); const char *encStr = crypt.encryptStringENC(sHexBinary); strOut.append(encStr); strOut.append("\r\n"); // Important: This example requires Chilkat v9.5.0.49 or greater to work correctly. const char *decStr = crypt.decryptStringENC(encStr); strOut.append(decStr); strOut.append("\r\n"); SetDlgItemText(IDC_EDIT1,strOut.getUnicode()); } |
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