Relation between .p7b and .spc digital certificate files

Posted by Frederick on Super User See other posts from Super User or by Frederick
Published on 2010-03-23T14:24:53Z Indexed on 2010/03/23 14:33 UTC
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digital-certificate

My company have just renewed their digital certificate from Thawte. The previous certificate I was using had an 'spc' extension. The new certificate I've been handed ends in a 'p7b'.

Although I can use this p7b file directly for signing, I was just wondering whether there's some way to convert this to an spc file which I can then sign with as I was doing previously.

Is it a recommended practice to use p7b directly for signing? Secondly, what exactly is the relation, if any, between the two types of files?

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