查询词典 encryption

This approach encrypts digital image hy permuting on bitmap after pretreatment,and decryption pixels＇ values of the image which is attacked by shear transformation is computed by using neighboring pixels＇ values,it can protect the encryption image from shear transformation attack.A binary sequence nonlinear generating method based on chaotic system is also presented.

基于数字图像灰度矩阵位平面进行置乱加密，在恢复过程中通过象素邻域灰度信息进行恢复，能够有效抵御针对加密图像的剪切变换攻击，同时给出了一种非线性的、应用高维混沌系统产生二值序列的方法。

The rules of relational schemas'disassembling and recomposing are also proposed base on this. The security and efficiency of database structure encryption are evaluated.

用实例说明了结构加密的过程和结构加密定义的作用及涵义，对数据库结构加密方法的安全性和效率进行了评估。

In this paper, a strategy based on active path detection mechanism is proposed, which ping the every intermediators of the rerouting path by nested-encryption message.

本文提出的主动路径探测机制能有效地识别系统中发动前驱攻击的合谋成员，并且保证发送者的匿名性。

In essence, encryption scrambles bits of the message in such a way that only the intended recipient can unscramble them.

实质上，编成密码扰乱消息的位在这种情况下唯一意欲的接收者能破解他们。

L Protects information. The system uses high-level encryption to "seal" data so that snoops and thieves are thwarted.

l 保护信息：该系统使用高级密码对资料进行&加密&，窥探者和窃贼不敢轻举妄动。

It utilizes strong and time-proven encryption algorithm to provide you with peace of mind that your data is safe.

它利用强和时间验证的加密算法对向你提供一个平静的心态，你的数据是安全的。

Digital certificate: Attachment for a file, macro project, or e-mail message that vouches for authenticity, provides secure encryption, or supplies a verifiable signature.

数字签名：宏或文档上电子的、基于加密的安全验证戳。

With TCP/IP as the protocol of choice for today's WANs, packet-level encryption ''.

当今的广域网多选tcp/ip协议，包级加密有用武之地了。

The design in the mail client use RSA encryption algorithm on the message content of asymmetric cryptography, causing E-mails in the transmission process are replaced by ciphertext, ensuring the users are not wiretapped by third-part when using the mail client to communicate with others.

本设计在邮件客户端使用 RSA 加密算法对邮件内容进行非对称加密，这样邮件在传输过程中便以密文代替明文显示，保证用户在使用本邮件客户端与他人通信时不被第三方窃听。

Its scrambling system [3] promises to be even more opaque to wiretaps than existing encryption techniques.

Zfone 的加扰系统预示它将比现存的加密技术更加难被窃听。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。