Windows下使用pbc库 报错could not open /dev/urandom，要怎么解决
------解决思路----------------------
http://stackoverflow.com/questions/25554093/pbc-on-windows-cryptgenrandom
http://stackoverflow.com/questions/2572366/how-to-use-dev-random-or-urandom-in-c
Windows下使用pbc库 报错could not open /dev/urandom，要怎么解决
------解决思路----------------------
http://stackoverflow.com/questions/25554093/pbc-on-windows-cryptgenrandom
http://stackoverflow.com/questions/2572366/how-to-use-dev-random-or-urandom-in-c