SSL certificate revocation doesn't work (for web browsers)
How SSL certificate revocation is supposed to workis conceptually simple. The CA publishes a CRL , andSSL-using programs check the CA's CRL before actually accepting a signedSSL certificate. Despite this, SSL certificate revocation doesn't workon the web in either practice or in theory.
It doesn't work in practice because, well, it doesn't; you cannotrevoke a SSL certificate today and have most web users notice. Theonly web browser that actively supports any sort of CRL checkingis
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一意粉下去
幾 件 想 不 通 的 事 情
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Consider having obvious interfaces too
Python offers any number of ways to create very Pythonicinterfaces to your objects, natural ways of getting variousbits of information out of them. For an example that is freshto my mind , the len() of M2Crypto 's Cipher objects is the number of bits that the cipher uses.
The M2Crypto example also illustrates the problem with this way ofcreating interfaces: it is not necessarily very intuitive to peopleusing your code. The len() of a cipher being its bits strikes meas
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飛機甫降落香港,BlackBerry即急不及待吐出一大串電郵。今趟去London training 不過三天,想不到回來後世界竟然給反轉了。
其中一個電郵來自一個investment banker: "Dear friends, this is my last day in XXX. It is a real pleasure working with you guys. I will never forget the joy and laughter
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