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/* iksemel (XML parser for Jabber)
** Copyright (C) 2000-2003 Gurer Ozen
** This code is free software; you can redistribute it and/or
** modify it under the terms of GNU Lesser General Public License.
*/
#include <gcrypt.h>
#include "common.h"
#include "iksemel.h"
struct iksha_struct {
gcry_md_hd_t c;
};
iksha *
iks_sha_new (void)
{
iksha *sha;
sha = iks_malloc (sizeof (iksha));
if (!sha) return NULL;
iks_sha_reset (sha);
return sha;
}
void
iks_sha_reset (iksha *sha)
{
memset (sha, 0, sizeof (iksha));
gcry_md_open(&sha->c, GCRY_MD_SHA1, 0);
}
void
iks_sha_hash (iksha *sha, const unsigned char *data, size_t len, int finish)
{
if (data && len != 0)
gcry_md_write(sha->c, data, len);
if (finish)
gcry_md_final(sha->c);
}
void
iks_sha_print (iksha *sha, char *hash)
{
unsigned char bin[20];
int i;
memcpy(bin, gcry_md_read(sha->c, 0), 20);
for (i=0; i<20; i++)
{
sprintf (hash, "%02x", bin[i]);
hash += 2;
}
}
void
iks_sha_delete (iksha *sha)
{
gcry_md_close(sha->c);
iks_free (sha);
}
void
iks_sha (const char *data, char *hash)
{
iksha *sha;
sha = iks_sha_new ();
iks_sha_hash (sha, (const unsigned char*)data, strlen (data), 1);
iks_sha_print (sha, hash);
iks_free (sha);
}
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