linux 怎么用openssl把.key文件变成.pem

linux 怎么用openssl把.key文件变成.pem

1、To convert a private key from PEM|DER to DER|PEM format:
openssl rsa -inform PEM|DER -outform DER|PEM -in pem-file|der-file -out der-file|pem-file
2、例如：
openssl rsa -in key.pem -outform DER -out keyout.der
openssl rsa -in serverb.key -outform PEM -out serverb.pem
3、字符串生成md5哈希值
echo -n String | openssl md5
4、验证服务器
openssl s_client -connect ip:443
5、To remove the pass phrase on an RSA private key: 去掉密码
openssl rsa -in key.pem -out keyout.pem
6、导出公钥证书
openssl pkcs12 -in butterfly.pfx -nokeys -out certexport.pub
导出私钥
openssl pkcs12 -in butterfly.pfx -nocerts -out keyexport.pub
7、合并成pfx证书
openssl pkcs12 -export -clcerts -in client.crt -inkey key.pem -out client.p12
8、用openssl察看key(To print out the components of a private key to standard output):
openssl rsa -in key.pem -text -noout
9、生成CSR
openssl req -new -key server.key -out server.csr

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