in Sources/SPTPersistentCacheHeader.m [112:119]
uint32_t SPTPersistentCacheCalculateHeaderCRC(const SPTPersistentCacheRecordHeader *header)
{
if (header == NULL) {
return 0;
}
return spt_crc32((const uint8_t *)header, SPTPersistentCacheRecordHeaderSize - sizeof(header->crc));
}