Each encrypted character range

• md5
  • 0-9 a-f
• base
  • base64 uppercase letters (AZ), lowercase letters (az), and the digits 0 to 9 + /;
  • base32 only uppercase letters (AZ) and numbers 234567
  • The biggest difference is base32 no lowercase letters

Reproduced in: https: //www.jianshu.com/p/69c4098e6a60