The method used for computing cryptographic hashes. Root path and file name. Size, in bytes, of the file's uncompressed data. Size, in bytes, of the file's Local File Header. The hash value of the *uncompressed* data. Size, in bytes, of the *compressed* data sequence for this block. The size of the Local File Header for a file must be at least 30 bytes and no more than 64KB as required by the ZIP format. The name of the file must be non-empty and no more than 32767 (UNICODE_STRING_MAX_CHARS) characters supported by the APPX package format (even though ZIP format supports up to 65535 bytes).