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This site Web Certificate Formats - X.509, DER and PEM Part: 1 2 3 Certificate standard and file encodings seem to be confusing. I wrote down some notes about: What is X.509 Certificate Standard?PEM (Privacy Enhanced Mail) EncodingDER (Distinguished Encoding Rules) Encoding"keytool" Exp... 阅读全文
posted @ 2011-12-31 19:53
功夫 熊猫
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python 编写server的步骤：1、第一步是创建socket对象。调用socket构造函数。如：socket = socket.socket( family, type )family参数代表地址家族，可为AF_INET或AF_UNIX。AF_INET家族包括Internet地址，AF_UNIX家族用于同一台机器上的进程间通信。type参数代表套接字类型，可为SOCK_STREAM(流套接字)和SOCK_DGRAM(数据报套接字)。2、第二步是将socket绑定到指定地址。这是通过socket对象的bind方法来实现的：socket.bind( address )由AF_INET所创建的 阅读全文
posted @ 2011-12-31 15:48
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How do I obtain a Digital Certificate from my Certificate Authority (CA)? This article will describe the 2 most popular methods for obtaining a Digital Certificate from your online Certificate Authority (or CA). I will not elaborate on the reasons for doing so, and if you feel uncomfortable about th 阅读全文
posted @ 2011-12-31 14:27
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Using OpenSSL Utilities An openssl command line takes the following form: openssl utility arguments For example: openssl x509 -in OrbixCA -text Each command is individually described in this appendix. To get a list of the arguments associated with a particular command, use the -help option as follow 阅读全文
posted @ 2011-12-31 14:04
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In previous tutorials, I learned how to view an HTTPS server certificate and its certificate path. Now I want to learn how to save a server certificate to a certificate file. 1. Run Firefox 3 and go to https://login.yahoo.com. 2. Click the lock icon at bottom right corner of the browser window. The 阅读全文
posted @ 2011-12-31 11:33
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http://www.cnblogs.com/huangcong/archis.strip() .lstrip() .rstrip(',') 去空格及特殊符号复制字符串Python1#strcpy(sStr1,sStr2)2sStr1 = 'strcpy'3sStr2 = sStr14sStr1 = 'strcpy2'5print sStr2连接字符串Python1#strcat(sStr1,sStr2)2sStr1 = 'strcat'3sStr2 = 'append'4sStr1 += sStr25print 阅读全文
posted @ 2011-12-31 11:33
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