High information quantity antifalse seal The present invention is one kind of great information amount anti-fake stamp, and belongs to the field of stamp making technology. In the center of the pentacle in the affixed side, ther...
Non-linear orthormorphism maker capable of random replacing
The invention discloses a non-linear orthomorphic displacement maker which can be stochastically changed and relates to an encryption design device. The invention is put forward for solv...
8
200610073123
Random number generator
According to one embodiment, a clock generating unit configured to generate a clock having a predetermined frequency, an input value generating unit configured to generate an input value...
9
200610073149
Signature log storing apparatus, method and program A signature log storing apparatus includes a signature log list and a certificate list, and registers, in the signature log list, a part of signature information in generated hysteresis s...
10
200610018685
Password setting metod
The present invention provides cryptographic configuring method, i.e. password obtained by calculation; system providing data which can be current time, random numbers, random alphabet, ...
Encryption system and method for navigator
The invention relates to a navigator encrypt system and method that the system includes hardware module used to store first data, map module storing the second data and the third data co...
Unique code cipher set generation
A unique code collective creation method belongs to the coding technology field. The invention adopts the improved exhaustion method to quick create the entire gather of the special codi...
Random number generating method and device
It is an object of the present invention to provide, with simple and not expensive devices, a new method for generating random number with more perfectly disorder and a random number gen...
20
200520104596
Portable plain cipher inter-translating machine The utility model relates to a portable deciphering machine, solving the problem that the PC machine is not easy to carry, the shock proof effect of the PC machine is bad and the PC machi...
Communication apparatus and authenticating method A communication apparatus and authenticating method wherein a false authentication can be prevented from occurring during an initial authentication in a connection between communication a...
Smart IC card remote control antitheft device The invention relates to a remote-controlled anti-theft equipment with intelligent IC card, comprising host machine and portable report controller. In circuits of controlled host machine ...
25
200510103603
Decryption apparatus and decryption method
A decryption apparatus stores secret keys, each of which is specified by two nodes in tree structure in first memory, stores identifier of decryption apparatus corresponding to leaf in t...
26
200580001259
Encryption device, encryption method, and computer program
There are provided a highly safe encryption device and an encryption method increasing the difficulty of decryption. A Feistel type common key block encryption repeatedly executes the SP...
27
200520031661
Coder for automobile anti-theft device The utility model is a coder for automobile anti-theft device, which is formed by a casing and a coded circuit provided on a printed circuit board inside the casing. A key and an indicato...
28
200510092745
Apparatus and method for drive control, and computer product
A drive control apparatus receives an instruction from an upper unit, to mount a predetermined medium onto a predetermined drive unit. If a combination of the predetermined medium and th...
29
200510085783
Multifunction cipher This invention relates to a design method for depositor ciphers of banks, which provides a bank depositor a card corresponding to multiple ciphers and selects different service modes for ...
30
200510091240
Production method of power automatic device product This invention relates to a production method for power automatic device products characterizing in sticking labels to semi finished articles or finished products of the power automatic p...
31
200510089045
Calculation method, calculation equipment and computer program
A computation method for use in cryptography which employs the Montgomery modular multiplication algorithm. To speed up the computation process, an equivalence which gives the same remai...
Typeface-lattice structure enciphering method and system A font lattice structure encryption method and system includes selecting font stroke representing lattice unit; to make re-arrangement to said lattice unit, to make font stroke variation ...
34
200510035417
Text encryption system and method
Disclosed is a text encryption system and method, wherein the system includes a memory unit for storing text information, a text acquisition module for acquiring pixel dot file of the te...
35
200510035400
Text encryption system and method
Disclosed is a text encryption system and method, wherein the system includes a memory unit for storing text information, a text acquisition module for acquiring dot matrix file of the t...
36
200510035416
Text encryption system and method
Disclosed is a text encryption system and method, wherein the system includes a memory unit for storing text information, a text acquisition module for acquiring dot matrix file of the t...
37
200510035402
Text encryption system and method
Disclosed is a text encryption system and method, wherein the system includes a memory unit for storing text information, a text acquisition module for acquiring dot matrix file of the t...
Method for making false proof marks
The invention relates to a false proof technique, especially to a false proof tag of digital and design compound. It resolves the defects that current false proof tag is easy to be repli...
42
200510034810
File security method
A method for keeping secret on file includes setting up file system filtering module between operation system and file system and adding assigned character string in front of file name, ...
Reader/writer secure module access control method There is provided a secure module holder (SH) capable of preventing an unauthorized reading of information on a secure module (SM). The SH (30) holds one or more SM (20). The SH (30) cont...
Authentication system and method Provided is an authentication system capable of identifying a cause of a failure when authentication is failed. A data structure of data to be authenticated has a header authentication da...
52
200580010699
Computer system, computer program, and addition method There is provided a computer system which makes it difficult to analyze a calculation content. A power calculation unit (262) performs the following calculation for the input data
53
200510054975
Photoelectronic information encrypting coding method
The invention relates to a photoelectronic message encrypting method, characterized in encrypting graphics, images, documents, files and their compressed files by the same system or diff...
Microprocessor A microprocessor having a processor core includes an information acquisition unit that acquires information encrypted to be used by the processor core, from outside; a decryption unit tha...
Recording/reproduction device and content protection system A recording/reproduction device (10) receives a content broadcast from a content supply device (11). The recording/reproduction device (10) encrypts the received content by using a device...
58
200580003683
Information processing device and method It is possible to provide use management for data generated or acquired after data which has been stored in an information recording medium, and secure data management. Late data such as ...
Prime calculation device, method, and key issuing system There is provided a prime calculation device for calculating a prime without duplication by a simple management of the calculation of the prime. The prime calculation device contains a kn...
63
200480038934
Prime calculation device, method, and key issuing system There is provided a prime calculation device for calculating a prime and capable of checking whether the prime is generated validly. The prime calculation device generates a disturbing nu...
Layer 2 switch device with verification management table
A layer 2 switch device, an authentication server, and a terminal device are connected to each other by a network, and a plurality of radio base stations are connected to the layer 2 swi...
Image processing apparatus
An image processing apparatus, such as a digital multiple function processing machine, capable of preventing degradation of security, while storing image data after an output process bas...
Electronic element and data processing method An electronic element for beating back an attack of determining secret information from a power consumption without providing any circuit that performs a complementary operation to cancel...
74
200480020335
Encryption/decryption device and method
It is possible to perform encryption ensuring an excellent confidentiality and capable of completely coming back from an error. Input video data is calculated with pseudo-random numbers ...
Two generation coding method of goods
The method is suitable to coding material, goods and equipment. Coding includes two levels. First level coding includes category, general main name and alias. Second level coding include...
78
200410026748
Multi-state coding method
The method includes encoding/decoding controller and resistance elements connected to ports of the said controller. Characters are that a group of resistance elements with non-overlapped...
Method of preventing file inset replacement
The method of preventing substituting file insertion features that 2D matrix code is used as the specific data expressing symbol of each page. The 2D matrix code in each page can not be ...
82
200410000378
Data encrypting method and system
The invention relates to a data encrypt method. The first is that utilizing one Chinese word broken method to break the article content, judging the part of speech and labeling it. Then,...
Image forming equipment
When an image signal is acquired, an encryption key is created, and the acquired image signal is encrypted with the created encryption key. An image based on the encrypted image signal i...
Vulnerable watermark method for protecting electronic signet
Treating original watermark in binary form, the invention constructs pyramidal watermark with descended resolution layer by layer. Meanwhile, using wavelet transform decomposes multimedi...
90
200310111929
Method for protecting audio data
In the invention, using wavelet transform decomposes digital audio data, and pretreatment is carried out for watermark by scrambling and dimension reduction method. Synchronizing signal ...
Digital watermark with variable position
A digital watermark in a data file occurs at multiple locations within the file. The location of each digital watermark, other than a first digital watermark, is specified by a previous ...
Block encoding/decoding method, circuit, and device
The present invention includes a plaintext memory 11 and an encryption/decryption circuit 13 for encrypting or decrypting original data in blocks. The original data is transferred to the...
96
03164837
Image processing equipment
A data composition means 15 composites the prescribed data with the original image data at pixel positions whose gradation value is an upper limit value in a direction of increasing the ...
97
03146887
Credit card data processing method based on cryptogram
It is a kind of credit card data processing method that based on password. It comprises the following steps: setting password in credit card data center; entering the credit card identif...
Data processing method, its program, and its device Data processing devices (302, 303) authenticates each other using first and second authentication key data sets (ST91). If the two-way authentication is successful, the data processing de...
