C

Compute Glacier SHA256 Linear Hash of a File

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Computes the Amazon Glacier SHA256 linear hash for a file. C

#include <C_CkCrypt2.h>

void ChilkatSample(void)
    {
    HCkCrypt2 crypt;
    const char *linearHashHex;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    crypt = CkCrypt2_Create();

    // The "linear hash" is simply the SHA256 hash of the file bytes.
    CkCrypt2_putHashAlgorithm(crypt,"sha256");

    // Return the hash in lowercase hexidecimal format.
    CkCrypt2_putEncodingMode(crypt,"hexlower");

    linearHashHex = CkCrypt2_hashFileENC(crypt,"qa_data/jpg/penguins.jpg");
    printf("SHA256 linear hash = %s\n",linearHashHex);


    CkCrypt2_Dispose(crypt);

    }