archive extra data signature 4bytes (0x08064b50)
extra field length 4bytes
extra fielddata (variable size)
4.3.11.1 The Archive Extra Data Record is introduced in version 6.2
of the ZIP format specification. This record MAY be used in support
of the Central Directory Encryption Feature implemented as part of
the Strong Encryption Specification as described in this document.
When present, this record MUST immediately precede the central
directory data structure.
4.3.11 Archive extra data record:
archive extra data signature 4 bytes (0x08064b50) extra field length 4 bytes extra field data (variable size)4.3.11.1 The Archive Extra Data Record is introduced in version 6.2 of the ZIP format specification. This record MAY be used in support of the Central Directory Encryption Feature implemented as part of the Strong Encryption Specification as described in this document. When present, this record MUST immediately precede the central directory data structure.