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(Unicode C) Hash File: SHA-1, HAVAL, MD2, MD5, SHA-256, SHA-384, SHA-512Computing the hash for a file of any size.
#include <C_CkCrypt2W.h> void ChilkatSample(void) { HCkCrypt2W crypt; const wchar_t *filename; const wchar_t *hash; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. crypt = CkCrypt2W_Create(); // Any type of file may be hashed. // There is no size limitation because the file is consumed // in streaming mode internally. filename = L"something.zip"; CkCrypt2W_putHashAlgorithm(crypt,L"sha1"); CkCrypt2W_putEncodingMode(crypt,L"hex"); // Other possible EncodingMode settings are: // "quoted-printable", "base64", "base32", and "url" hash = CkCrypt2W_hashFileENC(crypt,filename); wprintf(L"SHA1:\n"); wprintf(L"%s\n",hash); // Hash using MD2 CkCrypt2W_putHashAlgorithm(crypt,L"md2"); hash = CkCrypt2W_hashFileENC(crypt,filename); wprintf(L"MD2:\n"); wprintf(L"%s\n",hash); // Hash using MD5 CkCrypt2W_putHashAlgorithm(crypt,L"md5"); hash = CkCrypt2W_hashFileENC(crypt,filename); wprintf(L"MD5:\n"); wprintf(L"%s\n",hash); // Hash using SHA-256 CkCrypt2W_putHashAlgorithm(crypt,L"sha256"); hash = CkCrypt2W_hashFileENC(crypt,filename); wprintf(L"SHA256:\n"); wprintf(L"%s\n",hash); // Hash using SHA-384 CkCrypt2W_putHashAlgorithm(crypt,L"sha384"); hash = CkCrypt2W_hashFileENC(crypt,filename); wprintf(L"SHA384:\n"); wprintf(L"%s\n",hash); // Hash using SHA-512 CkCrypt2W_putHashAlgorithm(crypt,L"sha512"); hash = CkCrypt2W_hashFileENC(crypt,filename); wprintf(L"SHA512:\n"); wprintf(L"%s\n",hash); // Hash using HAVAL // There are two additional properties relevant to HAVAL: // HavalRounds, and KeyLength. // HavalRounds can have values of 3, 4, or 5. // KeyLength can have values of 128, 160, 192, 224, or 256 CkCrypt2W_putHashAlgorithm(crypt,L"haval"); CkCrypt2W_putHavalRounds(crypt,5); CkCrypt2W_putKeyLength(crypt,256); hash = CkCrypt2W_hashFileENC(crypt,filename); wprintf(L"Haval:\n"); wprintf(L"%s\n",hash); CkCrypt2W_Dispose(crypt); } |
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