php - How to understand this "SHA-1 checksum"
伊谢尔伦
伊谢尔伦 2017-05-16 12:58:09
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This when downloading android studio

伊谢尔伦
伊谢尔伦

小伙看你根骨奇佳,潜力无限,来学PHP伐。

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Peter_Zhu

It is equivalent to the fingerprint of the file. In order to prevent network security issues such as hijacking, you can calculate the SHA-1 value after downloading to see if it is equal to the checksum on the official website to ensure file security.

我想大声告诉你

The signature code obtained after calculating the file through sha1. After you download it, you can also calculate the file signature through sha1. Check whether the file has been tampered with.

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