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DOS and Windows file date API and conversion functions (such as INT 21h/AH=2Ah) officially support dates up to 31 December 2099, only (even though the underlying FAT filesystem would theoretically support dates up to 2107). Hence, DOS-based operating systems, as well as applications that convert other formats to the FAT/DOS format, may show ...
In computing, touch is a command used to update the access date and/or modification date of a computer file or directory. It is included in Unix and Unix-like operating systems , TSC 's FLEX , [ 1 ] Digital Research / Novell DR DOS , the AROS shell, [ 2 ] the Microware OS-9 shell, [ 3 ] and ReactOS . [ 4 ]
Some file archivers and some version control software, when they copy a file from some remote computer to the local computer, adjust the timestamps of the local file to show the date/time in the past when that file was created or modified on that remote computer, rather than the date/time when that file was copied to the local computer.
This signed hash + the timestamp is sent back to the requester of the timestamp who stores these with the original data (see diagram). Since the original data cannot be calculated from the hash (because the hash function is a one way function ), the TSA never gets to see the original data, which allows the use of this method for confidential data.
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MAC times are pieces of file system metadata which record when certain events pertaining to a computer file occurred most recently. The events are usually described as "modification" (the data in the file was modified), "access" (some part of the file was read), and "metadata change" (the file's permissions or ownership were modified), although the acronym is derived from the "mtime", "atime ...
OpenTimestamps (OTS) is an open-source [2] project that aims to provide a standard format for blockchain timestamping. [3] With the advent of systems like Bitcoin, it is possible to create and verify proofs of existence of documents (timestamps) without relying on a trusted third party; this represents an enhancement in terms of security, since it excludes the possibility of a malicious (or ...
In computing, timestamping refers to the use of an electronic timestamp to provide a temporal order among a set of events. Timestamping techniques are used in a variety of computing fields, from network management and computer security to concurrency control .