Method for resolving expandable label language in safety application of expandable label language
A technology for extending markup language and security applications, applied in the field of computer data processing, it can solve the problems of complex automata, increased memory overhead, and large processing time consumption, so as to reduce memory space consumption, simple and efficient information storage, and improve overall processing speed. Effect
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[0072] The XML parsing method used in the XML security application that the present invention proposes comprises the following steps:
[0073] (1) According to the content to be signed and encrypted in the known security policy, as well as the way of signing, determine all path expressions of the corresponding location information;
[0074] (2) according to the path expression in step 1), set up the data structure of corresponding finite state automaton, and with the character in the path expression, as the state jump condition in this automaton;
[0075] (3) Input the XML message string to which the security policy is applied to the finite state automaton in step 2) for matching, and from the output of the finite state automaton, obtain the information required for the security processing of the XML message Position information, using the offset calculated from the start position of the XML message to represent the above position information, and output all offset sequences; ...
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