What is the performance impact?
Encryption isn’t free, so we expect there to be some performance impact. In most of my scenario testing however, I found the impact to be minimal because the disk I/O was more expensive than the CPU hit for encryption. The one that was most affected in my testing was probably syncing lots of media files via media player to the encrypted storage card. If you are seeing a severe performance degradation, I would like to hear about it. Please e-mail via the contact form on this blog or leave a comment below.
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