您需要将密码学的旧版本(如cryptography<3.4 )固定在一起，这将满足秘书存储的依赖性，而不会抛出弃用...
方案一 brew install openssl env LDFLAGS="-L (brew --prefix openssl)/include" pip install cryptography 方案二 Check with the openssl include path with brew --prefix openssl)/include if it exists, you can try to execute: cd /usr/local/include ln -s ../opt/openssl/include/openssl ....
2019-01-22 用anaconda安装scrapy,出现cryptography.hazmat.bindings._openssl import ffi, lib 找不到指定的程序 解决方法: 在anaconda里面把openssl的降到1.0.2p。 如果还不好用,把lxml 和 tw什么的东西都升级或者降级到你的python的对应版本,就好了。我折腾了大半天,终于搞定了,希望大家好运。
aA fundamental rule of cryptography is that one must assume that the cryptanalyst knows the methods used for encryption and decryption. In other words, the cryptanalyst knows how the encryption method, E, and decryption, D,of Fig. 8-2 work in detail. The amount of effort necessary to inven...