[root@nginx-test-1 nginx]# openssl genrsa -des3 -out server.key 2048 Generating RSA private key, 2048 bit long modulus ..+++ ...................................................................+++ e is 65537 (0x10001) Enter pass phrase for server.key:←適当なパスフレーズ入れる Verifying - Enter pass phrase for server.key:←上記のパスフレーズを再入力 [root@nginx-test-1 nginx]# openssl req -new -key server.key -out server.csr