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spiped
Spiped is a utility for creating symmetrically encrypted and authenticated pipes between socket addresses.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Yes, but it's more than that. For instance, think of design issues with the algorithms. At any rate, 2 years is way too long, change them at least monthly.
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Now, I think I see your scenario, are you using TLS for connecting to a database between servers you own? If that's your case, use symmetric encryption, e.g. with spiped [1] or some other tunnel.
[1] http://www.tarsnap.com/spiped.html
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