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message authentification algorithm - traducción al ruso
OBSOLETE CRYPTOGRAPHIC HASH FUNCTION
Message Digest Algorithm 2; MD2 (cryptography)
message authentification algorithm
алгоритм аутентификации сообщений
message passing
MECHANISM FOR INTERPROCESS COMMUNICATION
Message passing programming; Message Passing; Message-based protocol; Message-passing; Message-based; Message (object-oriented programming); Asynchronous message passing; Synchronous message passing
общая лексика
передача сообщений, обмен сообщениями
один из двух способов организации взаимодействия между параллельными процессами (другой - shared memory)
algorithm
![Alan Turing's statue at [[Bletchley Park]]](https://commons.wikimedia.org/wiki/Special:FilePath/Alan Turing.jpg?width=200 "Alan Turing's statue at [[Bletchley Park]]")
SEQUENCE OF INSTRUCTIONS TO PERFORM A TASK
Algorithmically; Computer algorithm; Properties of algorithms; Algorithim; Algoritmi de Numero Indorum; Algoritmi de numero indorum; Algoritmi De Numero Indorum; Алгоритм; Algorithem; Software logic; Computer algorithms; Encoding Algorithm; Naive algorithm; Naïve algorithm; Algorithm design; Algorithm segment; Algorithmic problem; Algorythm; Rule set; Continuous algorithm; Algorithms; Software-based; Algorithmic method; Algorhthym; Algorthym; Algorhythms; Formalization of algorithms; Mathematical algorithm; Draft:GE8151 Problem Solving and Python Programming; Computational algorithms; Optimization algorithms; Algorithm classification; History of algorithms; Patented algorithms; Algorithmus
algorithm noun math. алгоритм algorithm validation - проверка правильности алгоритма
Definición
message passing
One of the two techniques for communicating between parallel
processes (the other being shared memory).
A common use of message passing is for communication in a
parallel computer. A process running on one processor may
send a message to a process running on the same processor or
another. The actual transmission of the message is usually
handled by the run-time support of the language in which the
processes are written, or by the operating system.
Message passing scales better than shared memory, which is
generally used in computers with relatively few processors.
This is because the total communications bandwidth usually
increases with the number of processors.
A message passing system provides primitives for sending and
receiving messages. These primitives may by either
synchronous or asynchronous or both. A synchronous send
will not complete (will not allow the sender to proceed) until
the receiving process has received the message. This allows
the sender to know whether the message was received
successfully or not (like when you speak to someone on the
telephone). An asynchronous send simply queues the message
for transmission without waiting for it to be received (like
posting a letter). A synchronous receive primitive will wait
until there is a message to read whereas an asynchronous
receive will return immediately, either with a message or to
say that no message has arrived.
Messages may be sent to a named process or to a named
mailbox which may be readable by one or many processes.
Transmission involves determining the location of the
recipient and then choosing a route to reach that location.
The message may be transmitted in one go or may be split into
packets which are transmitted independently (e.g. using
wormhole routing) and reassembled at the receiver. The
message passing system must ensure that sufficient memory is
available to buffer the message at its destination and at
intermediate nodes.
Messages may be typed or untyped at the programming language
level. They may have a priority, allowing the receiver to
read the highest priority messages first.
Some message passing computers are the {MIT J-Machine
(http://ai.mit.edu/projects/cva/cva_j_machine.html) }, the
{Illinois Concert Project
(http://www-csag.cs.uiuc.edu/projects/concert.html) } and
transputer-based systems.
Object-oriented programming uses message passing between
objects as a metaphor for procedure call.
(1994-11-11)
Wikipedia
MD2 (hash function)
The MD2 Message-Digest Algorithm is a cryptographic hash function developed by Ronald Rivest in 1989. The algorithm is optimized for 8-bit computers. MD2 is specified in IETF RFC 1319. The "MD" in MD2 stands for "Message Digest".
Even though MD2 is not yet fully compromised, the IETF retired MD2 to "historic" status in 2011, citing "signs of weakness". It is deprecated in favor of SHA-256 and other strong hashing algorithms.
Nevertheless, as of 2014, it remained in use in public key infrastructures as part of certificates generated with MD2 and RSA.
