This when downloading android studio
天蓬老师2017-05-16 13:00:09
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2017-05-16 13:00:09
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.
