Posts Tagged ‘ key ’

Code Signing – Part 1

In application software, code signing is a process used by software publishers (manufacturers) that uses the Public Key Infrastructure (PKI) Technology to create a digital signature based on a private key and the contents of a program file. The resultant signature is then packaged either with the program file or in an associated catalog...
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Client-Side Data Encryption for Amazon S3

Java’s latest SDK for AWS includes a client-side encryption feature which automatically encrypts/decrypts data when uploading/downloading to/from Amazon S3. This feature uses a technique known as envelope encryption and it has to be enabled through the application code. The Envelope and Master keys are never transmitted with the data. You can use this feature to integrate...
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When Green Is Bad

When Green Is Bad

A few days ago I received a phone call from a person asking for my services to help him recover data from a failed hard disk. I asked the caller whether he had internet access—sometimes the failed disk takes with it the only available computer. The caller explained that he had internet access and...
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