一、簡介
生成RSA私有密鑰
二、語法
openssl genrsa [-out filename] [-passout arg] [-f4] [-3] [-rand file(s)] [-engine id] [numbits] [-des] [-des3] [-idea]
選項
usage: genrsa [args] [numbits] -des encrypt the generated key with DES in cbc mode -des3 encrypt the generated key with DES in ede cbc mode (168 bit key) -idea encrypt the generated key with IDEA in cbc mode -seed encrypt PEM output with cbc seed -aes128, -aes192, -aes256 encrypt PEM output with cbc aes -camellia128, -camellia192, -camellia256 encrypt PEM output with cbc camellia -out file output the key to 'file -passout arg output file pass phrase source -f4 use F4 (0x10001) for the E value -3 use 3 for the E value -engine e use engine e, possibly a hardware device. -rand file:file:... load the file (or the files in the directory) into the random number generator
三、實例
1、生成1024位rsa私鑰，采用des算法加密
openssl genrsa -des -passout pass:"1234546" -out prikey.pem 1024
2、根據私鑰生成公鑰
openssl rsa -in prikey.pem -out pubkey.pem -pubout
