(C) Egypt ITIDA Generate eReceipt UUID

See more Egypt ITIDA Examples

Demonstrates how to generate the eReceipt UUID for Egypt ITIDA.

Note: This example requires Chilkat v9.5.0.92 or greater.

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#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    HCkStringBuilder sb;
    BOOL success;
    const char *uuid;

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

    // Note: This example requires Chilkat v9.5.0.92 or greater.
    // (In v9.5.0.92, the "itida" encoding was added to StringBuilder's Encode method.)
    sb = CkStringBuilder_Create();

    // Load the eReceipt JSON into a StringBuilder object.
    success = CkStringBuilder_LoadFile(sb,"qa_data/itida/EReceipt_ex.json","utf-8");
    if (success == FALSE) {
        printf("Failed to load input file.\n");
        CkStringBuilder_Dispose(sb);
        return;
    }

    // Convert the contents of sb to the ITIDA canonical form.
    // Always pass utf-8 for the 2nd arg.
    CkStringBuilder_Encode(sb,"itida","utf-8");

    // Get the lowercase hex encoded SHA256 hash of the canonicalized JSON
    // (always use utf-8)
    uuid = CkStringBuilder_getHash(sb,"sha256","hex_lower","utf-8");
    printf("eInvoicing UUID = %s\n",uuid);


    CkStringBuilder_Dispose(sb);

    }