Overwrite copied HMAC keys in memory #99
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kstich
approved these changes
Jan 20, 2018
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This is something I noticed when working on aws/aws-sdk-js#1880
When copying sensitive data into a buffer, it should be overwritten with zeros rather than waiting for the memory to be reclaimed by the GC. This prevents private data from showing up in a heap dump if the program crashes before GC is invoked.