openssl> genrsa -out app_private_key.pem 2048 #生成私钥
openssl> pkcs8 -topk8 -inform pem -in app_private_key.pem -outform pem -nocrypt -out app_private_key_pkcs8.pem #java开发者需要将私钥转换成pkcs8格式
openssl> rsa -in app_private_key.pem -pubout -out app_public_key.pem #生成公钥
openssl> exit #退出openssl程序
-----begin rsa private key-----
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
-----end rsa private key-----
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
-----begin public key-----
migfma0gcsqgsib3dqebaquaa4gnadcbiqkbgqdqwidvz7xyxa4cqszob3n7bfxldkegkjyqpt2futm4twx9oyrd523iw6uuqnqevfw88jgrnhyxadpvnpkp7unormyqafsm/cxzrfmovdtwsigtijb4pfyrxjakl8nia2hdqy5nlfgpvgzn4widfuy/qpkddcvxnz4bauaqjxqidaqab
-----end public key-----