Openssl 生成rsa私钥、公钥

OpenSSL

产生私钥

➜  ~  openssl
OpenSSL> genrsa -out rsa_private_key.pem 1024              

产生公钥

OpenSSL> rsa -in rsa_private_key.pem -pubout -out rsa_public_key.pem

转换私钥为pkcs8格式（Java）

OpenSSL> pkcs8 -topk8 -inform PEM -in rsa_private_key.pem -outform PEM -nocrypt -out rsa_private_key_pkcs8.pem