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MAC下使用OpenSSL生成私钥和公钥

时间:2019-02-22 01:47:04

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MAC下使用OpenSSL生成私钥和公钥

MAC OS自带了OpenSSL,直接在命令行里使用OPENSSL就可以。

打开命令行工具,然后输入 openssl打开openssl,接着只要三句命令就可以搞定。

1、打开Terminal--cd 到指定文件夹,如桌面

Mac:~/Desktop $openssl

2、第一句命令:生成私钥:

OpenSSL>genrsa -out rsa_private_key.pem 2048

接下来Terminal显示内容如下:

Generating RSA private key, 2048 bit long modulus

...............+++

..............................................+++

e is 65537 (0x10001)

3、第二句命令从私钥中导出公钥:

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

Terminal显示:

writing RSA key

4.生成的文件如下:

5、以上命令默认生成的PEM为PKCS#1格式的数据。如果需要PKCS#8数据格式的PEM文件,则需要把RSA私钥转换成PKCS#8格式:

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

//提示输入密码,密码为空(直接回车)就行;

Enter Encryption Password:

Verifying - Enter Encryption Password:

Terminal显示如下:

-----BEGIN PRIVATE KEY-----

MIIE6TAbBgkqhkiG9w0BBQMwDgQIiQ4PFYMqa7ECAggABIIEyARDwR3lbjFQYGmy

ASuI2D8LJXOtQDf/BIfFFln6d9UgppOEWlKIrp1ms6BF0nP76mtBiOpsk5QjPhTK

U4snDLT/w/hTc2OBPe66poOtzlVPtKLacfTH1pMzHUWcVz4cmCI+SAMTRkdQ1EG+

UtmdlISxoHqFIuiP4GsuyItVLrqvYMEN+4rMkcO6HgKTInvAVogp05QzJCSOVKCX

6C9Jpgdy+la9rIqteueioYofmgFojZGQtuCh03BgFBD5cHjMWNZ9X9vmxq/ih0ib

NhUptlvwQeaA2OO0pDhOM613b8osGFxvhb14KjMCQdfaYAu9fYw2rFNbZG4Q6BBu

7j+iheHiUdqA/2K9IjTf8kcJGYbQvAlz8GdL/psosk7irBndHEOOZTLgY4xU6t71

Vxwyf9WHbTuuY+MZbzMdo02lKTcznpiT0wdEu+gD5juz5wTVKyZ2HIoT+47Vte6Z

J16X9X1jw3KlIwDl/vFTEBGS1lfn8kMxyuGbomEMlF+If8MXvtY3mfBO5FHSy271

YVRCemxygsUpnMRgRjBdeCAefO8e+vEI2Rh/goCwkq+QmtNnhxMMXdiSn/Sx2KiZ

vLu+uaXcdw07rFh8sCTt9AaCyHvlWP2iuBOuFn7gEJp7a4V7oigNgDEn+tyOZfqd

ZhGGNnG41WhWMoDDPmMTaj29PkKl9cf5SUBKZq5ukMIS8gBK1DIfro9G2dwjAhwC

bqL1VPihxKrG0y6+rVpBfbv3WK4f9fgZ4geiJhyJJK6222tYw7HSqgTC+TbColE8

ogPKEE67gltI4yRSlUJwaY6K6E+W1hk65/cy/sgatwIPvGbJDSmqtusUZr8D4Sxf

5ZXzVamzvP3+igmh5/4Ee813XLdHhU/8o+2kQNMcOiKU9LEC+yJYtS8694+jFJl5

wkBJxIw3xvXIvwz99ieZ+paB2gOqCvD4Wco2KEmEOynuAq3g81S+uALup89crKiZ

WFuAwiUxwXraObQgfordMFAw+xFld8bRciYoPW3u8zt1i7zg7vwF2A3nQQg4KOsP

16RghmZgX78VLXoWv03b6Dv1+KkTraji8Rn/rP7u1XOip6Yo2+rheXO1rvtEPECX

wwLbQZRlbyLsakWq/7kGPUz/OL45wgkLnDjedqVrmm9pwQYPx6gv2ZNqLoaeerlr

QaEVCTJ4i2eZhhXL9CyjhKrPjRk5tt2+aOEIDUa5tFkhpNmsljJZwYc56L1HLLVN

oHQ00BacJV1cGvNWsRPDzP63aTW703gT/YCboeA/IQYJyCkIuQo7aH7oB7Hd2mor

TsGzmlQjFFVplEmAxnPquQKF8unnzQEy6yLWgIxCORTdx2QIy7gR38wVpQjQL/4g

LA0p8yDckkbBHagedxYbu7N1zlC59auvuCUmq3oaIncjwBlbW5MAdcIqZ5Wr+WGI

UHHhVMJc166/5hjm5bU0SQFcOYZWlmB8YL1io4bLzxKc+4pTXyR6KmnIZINiSgNv

uC1xUlQqTo+grD98g3Xsf+9Tp6T/O8kKgZVzwH/nZPnwmSa6U/opbTvVCbuoEst7

Njw+vdizPUSS/60NB3YfbepIJf1EAiWXRaHybJjPsiGyVXRMrlCB8EkXDnG1R479

y2eiQ5Da28WIPfkEGg==

-----END PRIVATE KEY-----

然后将生成的结果覆盖原来私钥的内容即可。

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