In "Keep Your Secrets Safe" (August 2005, InstantDoc ID 46871), I introduced you to shared key and public/private key encryption. I pointed out that shared key encryption is good for bulk encryption of large amounts of data, that public/private key encryption is better for exchanging information between parties, and that you can combine the two to get the best of both worlds. I also discussed how you can combine public/private key encryption with hashing to create digital signatures that prove both the identity of a message's sender and that the data wasn't altered since it was signed. Public/private key encryption is a versatile and effective way to prove identity and share secure information between parties that might not know each other. But here's one important caveat: Users must have a way of obtaining other users' public keys and be fully confident that a user's public key really is the user's and not an impostor's. To ensure that confidence, an infrastructure that facilitates the publishing of public keys is necessary. The good news is that such technology exists. It's called public key infrastructure (PKI). . . .
During his first-ever Consumer Electronics Show (CES) 2009 keynote address last night in Las Vegas, Microsoft CEO Steve Ballmer announced the pending public availability of a feature-complete Windows 7, the final version of Windows Live Essentials, and ...
Microsoft Learning Snack - Green IT Through Virtualization Many organizations face rising operating costs caused by excessive energy consumption. Virtualization and "Green IT" can help cut these costs. Get the information you need to bring Green IT savings to your business.
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Microsoft Learning Snack - Virtualization Basics With virtualization, computing components essentially become on-demand services, freeing each element of a system from the others. This short video explains the needs, benefits, and technologies behind virtualization.
Microsoft Learning Snack - Virtualization Basics With virtualization, computing components essentially become on-demand services, freeing each element of a system from the others. This short video explains the needs, benefits, and technologies behind virtualization.
Empower Your Processes with PowerShell 201 Paul Robichaux delves deep into PowerShell how-tos in 3 informative lessons, each followed by live Q&A—all on your own computer! Register today!
Microsoft Learning Snack - Green IT Through Virtualization Many organizations face rising operating costs caused by excessive energy consumption. Virtualization and "Green IT" can help cut these costs. Get the information you need to bring Green IT savings to your business.
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