/*
* process_ecma_array The onMetaData sub type named ECMA Array
* data, the data will be parsed
*
* return the offset of the data
*/
int process_ecma_array(unsigned char *data)
{
int ecma_array_len = 0;
int keyname_len = 0;
unsigned char keyname[32];
unsigned char *p = data;
int i = 0;
ecma_array_len = get_key_len(p);
p += 4;
for (i = 0; i < ecma_array_len; i++) {
keyname_len = get_string_len(p);
p += 2;
memset(keyname, 0, sizeof(keyname));
strncpy((char *)keyname, (const char *)p, keyname_len);
fprintf(stdout, "keyname = [%s]\n", keyname);
p += keyname_len;
p += script_type_parse(p);
}
if (*p == 0 && *(p + 1) == 0 && *(p + 2) == 9) {
p += 3;
}
return p - data;
}
void break_repeating_key_xor(const unsigned char *in, size_t in_len,
unsigned char *key, size_t key_max_len, unsigned int *key_len,
unsigned char *out)
{
unsigned int i, j;
unsigned int base_limit, limit, leftover;
unsigned char *buf;
*key_len = get_key_len(in, in_len, key_max_len);
base_limit = in_len / *key_len;
leftover = in_len % *key_len;
buf = malloc(base_limit + !!leftover);
if (!buf)
exit(1);
for (i = 0; i < *key_len; i++) {
limit = base_limit + (leftover > i);
for (j = 0; j < limit; j++)
out[j] = in[j * *key_len + i];
key[i] = crack_single_byte_xor(out, limit, buf);
}
free(buf);
repeating_key_xor(in, in_len, key, *key_len, out);
}
