bcrypt 3.1.19-java
bcrypt() is a sophisticated and secure hash algorithm designed by The OpenBSD project for hashing passwords. The bcrypt Ruby gem provides a simple wrapper for safely handling passwords.
          Gemfile:
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          安裝:
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      Development 相依性套件 (2):
            rake-compiler
            ~> 1.2.0
          
          
            rspec
            >= 3