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/*====================================================================*
*
* void SHA256Ident (signed fd, uint8_t digest []);
*
* SHA256.h
*
* compute the SHA256 digest of file content; the digest becomes
* the fingerprint that can be used to identify the file despite
* filename changes;
*
* Motley Tools by Charles Maier;
* Copyright (c) 2001-2006 by Charles Maier Associates;
* Licensed under the Internet Software Consortium License;
*
*--------------------------------------------------------------------*/
#ifndef SHA256IDENT_SOURCE
#define SHA256IDENT_SOURCE
#include <unistd.h>
#include "../key/SHA256.h"
void SHA256Ident (signed fd, uint8_t digest [])
{
struct sha256 sha256;
uint8_t buffer [1024];
signed length;
SHA256Reset (&sha256);
while ((length = read (fd, buffer, sizeof (buffer))) > 0)
{
SHA256Write (&sha256, buffer, length);
}
SHA256Fetch (&sha256, digest);
return;
}
#endif
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