Description
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Punycode is an encoding standard that converts Unicode characters to the ASCII character set, mainly used to solve the compatibility issues of internationalized domain names (IDNs) in DNS. Its core significance lies in enabling domain names with non-ASCII characters (such as Japanese, Arabic, etc.) to be correctly resolved and accessed by the existing Internet infrastructure that mainly supports ASCII characters.
This application mainly provides data encoding and decoding functions centered on Unicode characters. It aims to generate and convert Unicode characters into the ASCII character set encoding standard through efficient parsing and encoding of Unicode characters. In this process, Punycode encoding and decoding are the core designs. Specifically, it includes:
a. Encode Unicode characters in Punycode to generate ciphertext;
b. Decode the data that only contains Punycode encoding to generate plaintext;
c. Encode Unicode characters with [Punycode + SHA];
d. Perform Escape encoding on Unicode characters.