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Decrypt my World

Cryptography, Security, Debugging and more!

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January 2009 - Posts

CRL gets cached after we do an Online verification with X509Chain
Hi all, When we use X509Chain class to verify if our certificate is not revoked, we may experience the following behavior: 1) We do an online verification ( X509Chain.ChainPolicy.RevocationMode set to X509RevocationMode.Online ) on a valid certificate Read More...
Posted: Friday, January 30, 2009 8:13 AM by alejacma | 1 Comments
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How to create a certificate request with CertEnroll (JavaScript)
Hi all, The following Javascript sample shows how to use CertEnroll COM component to create a certificate request: <html> <head> <title>Certificate Request test</title> </head> <body> <object id=" objCertEnrollClassFactory Read More...
Posted: Wednesday, January 28, 2009 11:08 AM by alejacma | 6 Comments
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SHA-2 support on Windows XP
Hi all, If you try to use any SHA-2 algorithm ( SHA-256, SHA-384 and SHA-512 ) on Windows XP , you may get the following error when using i.e. CryptCreateHash : NTE_BAD_ALGID or -2146893816 or 0x80090008 or "Invalid algorithm specified" . Same algorithms Read More...
Posted: Friday, January 23, 2009 1:12 PM by alejacma | 7 Comments
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