Openssl pkey Command

First, Introduction

Pkey is a public or private key processing command that can be used to print and convert different forms and components

Second, the grammar

OpenSSL Pkey [-inform pem| DER] [-outform pe| DER] [- in filename] [-passin arg] [-out filename] [-passout arg] [ID]

Options

-infile        file-inform X       input format (DER or PEM)-passin arg     file  Pass phrase source-outform X      output format (DER or PEM)file       file -passout arg    file  Pass phrase source-engine e use       engine E, possibly a hardware dev Ice.

Third, examples

1. Remove the RSA key input password

OpenSSL Pkey- in Prikey.pem-out Keyout.pem

2. Encrypt the private key

OpenSSL pkey– in Prikey.pem-des3-out Keyout.pem

3. Pem format private key converted to DER format private key

OpenSSL pkey– in Prikey.pem-outform der–out prikey.der

4. Extracting the public key from the private key

OpenSSL pkey– in Prikey.pem-pubout-out Pubkey.pem

Reference: http://blog.csdn.net/as3luyuan123/article/details/16330909

Openssl pkey Command