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1 message
An individual unit of data transported between endpoint locations. A message consists of a document plus a header (information about the transfer). -
2 message digest
"A fixed-size result that is obtained by applying a one-way mathematical function (sometimes called a hash algorithm) to an arbitrary amount of data. If there is a change in the input data, the hash changes. The hash can be used in many operations, including authentication and digital signing." -
3 data format
"The structure or appearance of a unit of data, such as a field, or text in a message body." -
4 Message Authentication Code
An algorithm that allows a receiver to ensure that a block of data has retained its integrity from the time it was sent until the time it was received.English-Arabic terms dictionary > Message Authentication Code
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5 encrypted data
Data that has been converted from plaintext into ciphertext. Encrypted messages are used to disguise the content of a message when it is sent or stored. -
6 WSDL message
"An abstract, typed definition of the data that is communicated during a WSDL operation." -
7 digital signature
"Data that binds a sender's identity to the information being sent. A digital signature may be bundled with any message, file, or other digitally encoded information, or transmitted separately. Digital signatures are used in public key environments and provide authentication and integrity services." -
8 signature
"Data that binds a sender's identity to the information being sent. A digital signature may be bundled with any message, file, or other digitally encoded information, or transmitted separately. Digital signatures are used in public key environments and provide authentication and integrity services." -
9 hash algorithm
"An algorithm that produces a hash value of some piece of data, such as a message or session key. With a good hash algorithm, changes in the input data can change every bit in the resulting hash value; for this reason, hashes are useful in detecting any modification in a data object, such as a message. Furthermore, a good hash algorithm makes it computationally infeasible to construct two independent inputs that have the same hash. Typical hash algorithms include MD2, MD4, MD5, and SHA-1." -
10 hash function
"An algorithm that produces a hash value of some piece of data, such as a message or session key. With a good hash algorithm, changes in the input data can change every bit in the resulting hash value; for this reason, hashes are useful in detecting any modification in a data object, such as a message. Furthermore, a good hash algorithm makes it computationally infeasible to construct two independent inputs that have the same hash. Typical hash algorithms include MD2, MD4, MD5, and SHA-1." -
11 ACK
"A message transmitted to indicate that data has been received correctly. The Transmission Control Protocol (TCP) requires that the recipient acknowledge successful receipt of data. Such acknowledgments (ACKs) generate additional network traffic, decreasing the rate at which data passes but increasing reliability. To reduce the impact on performance, most hosts send an acknowledgment for every other segment or when a specified time interval has passed." -
12 acknowledgement
"A message transmitted to indicate that data has been received correctly. The Transmission Control Protocol (TCP) requires that the recipient acknowledge successful receipt of data. Such acknowledgments (ACKs) generate additional network traffic, decreasing the rate at which data passes but increasing reliability. To reduce the impact on performance, most hosts send an acknowledgment for every other segment or when a specified time interval has passed." -
13 PKCS #7
"The Cryptographic Message Syntax Standard. It is a general syntax, developed and maintained by RSA Data Security, Inc., for data to which cryptography may be applied, such as digital signatures and encryption. It also provides a syntax for disseminating certificates or certificate revocation lists."PKCS#7 -
14 UUENCODE
An encoding mechanism that converts binary data into printable ASCII characters so that the data can be included in the message body without violating SMTP conventions. -
15 compress
"To reduce the size of a set of data, such as a file or a communications message, so that it can be stored in less space or transmitted with less bandwidth." -
16 HDLC
"A protocol for information transfer adopted by the ISO. HDLC is a bit-oriented, synchronous protocol that applies to the data-link (message-packaging) layer (layer 2 of the ISO/OSI reference model) for computer-to-microcomputer communications." -
17 symmetric encryption
"An encryption algorithm that requires the same secret key to be used for both encryption and decryption. Because of its speed, symmetric encryption is typically used when a message sender needs to encrypt large amounts of data." -
18 secret key encryption
"An encryption algorithm that requires the same secret key to be used for both encryption and decryption. Because of its speed, symmetric encryption is typically used when a message sender needs to encrypt large amounts of data." -
19 confidentiality
"A basic security function of cryptography that ensures that only authorized users can read or use confidential or secret information. Without confidentiality, anyone with network access can use readily available tools to eavesdrop on network traffic and intercept valuable proprietary information. For example, an Internet Protocol security service ensures that a message is disclosed only to intended recipients by encrypting the data."السرّية -
20 Digital Signature Standard
A standard that uses the Digital Signature Algorithm (DSA) for its signature algorithm and Secure Hash Algorithm (SHA-1) as its message hash algorithm. DSA is a public-key cipher that is used only to generate digital signatures and cannot be used for data encryption.English-Arabic terms dictionary > Digital Signature Standard
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