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(Unicode C) Calculate MD5 Hash of File (or SHA1, SHA256, and other hash algorithms)Demonstrates how to calculate a hash for a file's contents.
#include <C_CkCrypt2W.h> void ChilkatSample(void) { HCkCrypt2W crypt; const wchar_t *hashStr; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. crypt = CkCrypt2W_Create(); // Set the name of the hash algorithm. // Other choices include "sha1", "sha256", "sha384", "sha512", "md2", "md5", and "haval". CkCrypt2W_putHashAlgorithm(crypt,L"md5"); // EncodingMode specifies the encoding of the hash output. // It may be "hex", "url", "base64", or "quoted-printable". CkCrypt2W_putEncodingMode(crypt,L"hex"); // Files of any type may be hashed -- it doesn't matter // if the file is binary or text... hashStr = CkCrypt2W_hashFileENC(crypt,L"/temp/something.dat"); if (CkCrypt2W_getLastMethodSuccess(crypt) != TRUE) { wprintf(L"%s\n",CkCrypt2W_lastErrorText(crypt)); CkCrypt2W_Dispose(crypt); return; } wprintf(L"%s\n",hashStr); CkCrypt2W_Dispose(crypt); } |
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