查询词典 cipher code

This kind of bar codes can be divided into achromatous function ink business card printing and membership card making bar code and non-ferrous function ink business card printing and membership card to make a bar code, the former is commonly used fluorescent ink and thermochromic ink, cyclometalated ink special ink to cards and membership cards produced by the bar code, this invisible bar codes in the business card printing and membership card must be used in making specific illumination, bar code recognition must be enclosed in the sensitive light source, this kind of bar code originally adelomorphic, and on functional inks business card printing and membership cards produced by the bar code is commonly used variable ink to cards and membership cards.

这种条码可以分为无色功能油墨制卡和会员卡制作条码和有色功能油墨制卡和会员卡制作条码，对于前者一般是用荧光油墨，热致变色油墨，磷光油墨等特种油墨来制卡和会员卡制作的条形码，这种隐形条码在制卡和会员卡制作中必须用特定的光照，在条形码识别时必须用相应的敏感光源，这种条码原先是隐形的，而对有色功能油墨制卡和会员卡制作的条码一般是用变色油墨来制卡和会员卡制作的。

When code stream is passing through the decoder for variable length code, first, prefix analyzer is utilized to find packet information so as to obtain length of current code and pseudo base address; then, four least significant bits of the code are added to pseudo base address through accumulator so as to obtain address of the code in code table.

码流经过可变长码解码器时，首先使用前缀分析器查找分组信息，得到当前码字的长度和伪基础地址，然后使用累加器把这个码字的最低4位和伪基础地址相加，获得该码字在码表中的地址，从而获得解码信息，完成解码。

Chapter 4 presents five design criteria of S-boxes of block ciphers, develops a method of constructing large S-box by use of algebraic group operation, proves the balance property of these large S-box, tests the strict avalanche and independence of avalanche variables properties of S-boxes in NEA cipher, analyses the nonlinearity and best linear approximation of the S-box, and finally defines the differential of input/output of S-boxes of this cipher and analyses the distribution of them.

第二部分即第三章，提出了一种新的分组密码类NEA(NEA-4A，NEA-8A，NEA-4B，NEA-8B)，完整地描述了该密码类的加解密过程和密钥协议；证明了NEA-4B和NEA-8B的完全对合性和没有不动点的性质；分析了该密码类的安全特征；具体地介绍了实现该类密码的途径；给出了NEA-4A的计算机C语言程序和样本数据。

Using the cipher-byte produces a better dispersion of keys than just using the plain byte, but the plain byte must be included for this multiplication to have any security value as the cipher byte is available to a cracker.

使用加密字节的产生不仅仅是使用纯字节的密钥分散较好，但平原字节必须包含这个乘法有任何的加密字节的安全值，提供给饼干。

Chapter 2 clarifies the cryptographical foundation, which includes the symmetrical cipher technology, unsymmetrical cipher technology and digital envelope .

包括对称密码技术，非对称密码技术和数字信封技术，并详细分析了DES算法和RSA算法。

In essence, stream cipher is such a pseudorandom generator that its chaos sequence of output and random sequence are computational indistinguishability; and the aim in designing block cipher materially is to design a pseudorandom permutation which is computationally indistinguishable from random permutations.

实际上，序列密码本质上就是一个伪随机生成器G，其输出的乱数序列和随机序列是计算不可分辨的；而分组密码的设计目标实质上就是设计一个伪随机置换，它与随机置换是计算不可分辨的。

The S box was constituted with the multiplication inverse element affined transformation in GF(2) of all elements of limited field GF(28),with S box s nonlinear byte changed,ciphered text attained the ideal status of the even of difference and the linear of deviation,and increased the capability of the AES algorithm of anti beating the difference cipher of analysis and linear cipher of analysis.

S盒由有限域G F(28)上所有元素的乘法逆元及在域G F(2)上的仿射变换构成，经过S盒的非线性字节代换，密文的差分均匀性和线性偏差都达到较理想的状态，提高了A E S算法抗击差分密码分析及线性密码分析的能力。

The diffusion structure has important impact on the rate of the diffusion and safety intensity for block cipher.Using the linear transform which has branch numbers as large as possible as the diffusion structure is a main method to devise block cipher.The linear transform is usually achieved by constructing the invertible matrix.

扩散结构的好坏直接影响了分组密码的扩散速度和安全强度，以分支数尽可能大的线性变换为分组密码算法的扩散结构是设计分组密码的一种重要方法，线性变换的构造可通过可逆矩阵的构造完成。

When operating a cipher in CBC mode, the plain text must be padded to the cipher's block size in an unambiguous manner so that the padding can later be removed.

当经营CBC模式密码，纯文本必须填充到密码的块大小可以很清楚地让填充以后可以删除。

This invention discloses a safety authenticating method for PC customer end including PC customer end presents registration request to a service via ID number and cipher, the server makes the first authentication based on customer ID number and the cipher to generate a field of reauthentication if it's passed to be fed back to PC customer end along with the finished authentication message; when PC customer end makes calls, it will send ID number and field of reauthentication during registration to media gate controller which transfer the ID number field of reauthentication to be server for second time authentication and refuse the calling if it's not passed, or receive the calling and feeding back the called information.

要约 本发明公开了一种PC客户端的安全认证方法，包括：PC客户端通过用户ID号码和密码，向服务器发起登录请求；服务器根据用户ID号码和密码进行第一次认证，若认证通过，生成一个用于再次认证的字段，并随认证通过消息返回给PC客户端；当PC客户端发起呼叫时，将用户ID号码和登录时获得的再次认证的字段一起传送给媒体网关控制器；媒体网关控制器将该用户ID号码、再次认证的字段一起传送给服务器进行第二次的认证，若认证没有通过，则拒绝呼叫，否则接受呼叫返回被叫信息。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。