电子商务英语 ECommerce English Unit11精品PPT课件

The connection attempt failed because of the failure to
encrypt data.
错误的加密数据造成连接请求失败。
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Word study
decrypt
[ di:'kript ] vt.解密
The specified encrypted and the user does not have the ability to decrypt it.
信用卡不是有效的身份证明。
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authentication [ ɔ:θenti'keiʃən ] n.证明，鉴定 Identification authentication server provides password
authentication and digital certificate authentication. 身份认证服务器提供口令认证和数字证书认证两种方式。
指定的文件已加密，而且用户没有能力解密。
asymmetrical [ æsi'metrikl ] adj. 不对称的 Most people's faces are asymmetrical. 大多数人的脸是不对称的。
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Word study
Hashing [ 'hæʃiŋ ] n. 散列法，哈希算法
vulnerable [ 'vʌlnərəb(ə)l ] adj. 易受攻击的 The potato is vulnerable to several pests. 马铃薯易受几种害虫的侵害。
The system is not able to verify this signature because it does not support the Hashing algorithm.
系统无法验证此签名，因为它不支持哈希算法。
identity
[ ai'dentiti ] n.
身份
A credit card is not a valid proof of identity.
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Word study
encryption [ in'kripʃən ] n.
加密
Database encryption is a core subject in the field of
information security.
数据库加密是信息安全领域研究的一个核心课题。
algorithm [ 'ælgəriðəm ] n. 算法 Let us start with an immediate consequence of the algorithm. 我们先提出该算法的一个直接推论。
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Word study
privacy
[ 'praivəsi ] n. 保密性
In this place privacy is impossible.
在这种地方保密是不可能的。
integrity [ in'tegriti ] n. 完整性 There is a whole range of security measures available to ensure data integrity. 有一整套可用安全措施来确保数据完整性。
trustworthiness [ trʌst'wə:ðinis ] n. 可信任 I query his trustworthiness. 我对他的可靠性有怀疑。
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Word study
identification [ aidentifi'keiʃən ] n. 身份证明 I used my driver's license as identification. 我用驾驶执照作为身份证明。
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authenticity [ ɔ:θen'tisiti ] n. 真实性 I strongly suspect the authenticity of the document. 我很怀疑该文件的真实性。
non-repudiation ['nɔŋripju:di'eiʃən ] n. 不可否认性 Non-repudiation is one of the important questions of development of electronic business system. 不可否认性是开发电子商务系统必须要解决的问题之一。
unilateral [ 'ju:ni'lætərəl ] adj.单方的 They take the unilateral decision to cancel the contract. 他们单方面决定撤消合同。
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Word study
repudiation [ ripju:di'eiʃən ] n. 否认 His repudiation of the transaction was unacceptable. 他对交易的否认令人无法接受。
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symmetrical [ si'metrikəl ] adj. 对称的 He introduced to us the symmetrical arrangement of the garden. 他为我们介绍了花园对称的布局。
encrypt
[ in'kript ] vt. 加密
Unit 11 Electronic Commerce Security
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☺ Warm-up ☺ Word Study ☺ Text Analysis ☺ Exercises
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2பைடு நூலகம்
Warm-up
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The following figures are what you can see when you click the VeriSign Secured Seal on eBay.com. It can help you identify the site. What do you know about VeriSign and VeriSign Secured Seal?