有關(guān)于計(jì)算機(jī)的英語(yǔ)短文章
我們的生活已經(jīng)離不開計(jì)算機(jī)了，小編今天就給大家整理了有關(guān)于計(jì)算機(jī)的英語(yǔ)，要多多努力才會(huì)學(xué)習(xí)好英語(yǔ)哦
計(jì)算機(jī)英語(yǔ)一
Internet technical specifications often need to define a format syntax and are free to employ whatever notation their authors deem useful. Over the years, a modified version of BNF, called ABNF, has been popular among many Internet specifications. It balances compactness and simplicity with reasonable representational power.
互聯(lián)網(wǎng)技術(shù)規(guī)范經(jīng)常需要定義一種格式化語(yǔ)法并能自由地使用作者認(rèn)為是有用的任何符號(hào)。多年來(lái)，巴克斯范式(BNF)的一個(gè)修訂版，即擴(kuò)展巴克斯范式(ABNF)，已經(jīng)在許多互聯(lián)網(wǎng)規(guī)范中流行。該版本平衡了壓縮性和簡(jiǎn)單性，具有合理的表達(dá)能力。
計(jì)算機(jī)英語(yǔ)二
X.509 describes two levels of Authentication, simple authentication, based on use of a password to verify user identity, and strong authentication, using credentials created by cryptographic methods. The standard recommends that only strong authentication should be used as the basis of providing secure services. Public-Key Cryptography is used for strong authentication, but X.509 is not dependent on the use of a particular cryptographic Algorithm, though two users wishing to authenticate must support the same Algorithm.
X.509描述了兩個(gè)級(jí)別的認(rèn)證，簡(jiǎn)單認(rèn)證和強(qiáng)認(rèn)證，簡(jiǎn)單認(rèn)證基于使用一個(gè)密碼驗(yàn)證用戶身份，強(qiáng)認(rèn)證使用加密方法創(chuàng)建的數(shù)字證書。標(biāo)準(zhǔn)建議只有強(qiáng)認(rèn)證能夠作為提供安全服務(wù)的基礎(chǔ)。強(qiáng)認(rèn)證使用公鑰加密方式，但是X.509并不依賴于使用特殊加密算法，盡管兩個(gè)用戶希望認(rèn)證必須支持同一算法。
計(jì)算機(jī)英語(yǔ)三
X.500 is an open, distributed, online directory service which is intended to be global in scope. X.500 is a support service for data exchange which includes providing directory support for data communication services specified by other OSI application standards. The X.500 series of standards covers services available to users, the functional model and protocols connecting the component parts of the directory, an information framework and a schema of the information held by the directory, and a mechanism for allowing OSI components to authenticate each other.
X.500是一個(gè)開放的、分布式的、趨向于全球化的在線目錄服務(wù)。X.500支持?jǐn)?shù)據(jù)交換服務(wù)，該服務(wù)符合OSI模型和其他應(yīng)用協(xié)議下的數(shù)據(jù)傳送的目錄服務(wù)。X.500這一系列標(biāo)準(zhǔn)涵蓋了可用的用戶服務(wù)、連接各組成部分的功能和協(xié)議模型、目錄的消息框架和信息保持、OSI模型中各組成部分彼此授權(quán)的支持等多個(gè)方面。
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