A verification code interference method and server
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TENCENT TECH (SHENZHEN) CO LTD
- Publication Date
- 2021-07-27
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Abstract
Description
technical field
[0001] The invention relates to the field of electronic technology, in particular to a verification code interference method and a server. Background technique
[0002] Captcha (CAPTCHA) is the abbreviation of "Completely Automated Public Turing test to tell Computers and Humans Apart" (Turing Test to Tell Computers and Humans Apart), which is a public fully automatic program that distinguishes between computers and humans. Verification codes can prevent malicious cracking of passwords, swiping tickets, flooding forums, and effectively prevent a hacker from making continuous login attempts to a specific registered user with a specific program brute force cracking method. Therefore, it is necessary to improve the anti-cracking ability of verification codes to protect system security.
[0003] In the existing technical solutions, the verification code with a solid color background and a foreground plus an interference line is generally used. However, the charac...