#include <stdio.h>
#include "utilities/SecCFRelease.h"
#include "utilities/der_plist.h"
#include "utilities/der_plist_internal.h"
#include <corecrypto/ccder.h>
#include <CoreFoundation/CoreFoundation.h>
const uint8_t* der_decode_null(CFAllocatorRef allocator, CFOptionFlags mutability,
CFNullRef* nul, CFErrorRef *error,
const uint8_t* der, const uint8_t *der_end)
{
if (NULL == der)
return NULL;
size_t payload_size = 0;
const uint8_t *payload = ccder_decode_tl(CCDER_NULL, &payload_size, der, der_end);
if (NULL == payload || payload_size != 0) {
SecCFDERCreateError(kSecDERErrorUnknownEncoding, CFSTR("Unknown null encoding"), NULL, error);
return NULL;
}
*nul = kCFNull;
return payload + payload_size;
}
size_t der_sizeof_null(CFNullRef data __unused, CFErrorRef *error)
{
return ccder_sizeof(CCDER_NULL, 0);
}
uint8_t* der_encode_null(CFNullRef boolean __unused, CFErrorRef *error,
const uint8_t *der, uint8_t *der_end)
{
return ccder_encode_tl(CCDER_NULL, 0, der, der_end);
}