Crypto: Ephemeral Instance Random Seeds with Keepers #84
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Rebased after merge of #81 |
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* Implement a lazy static that holds ephemeral seeds that are freshly generated on app load. * New `crypto` supporting module that provides a simple interface to accessing the seed. * Provide a 'default seed', that is zeroed-out when testing, and random when not testing.
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This module makes use of lazy_static, to initialize an instance ephemeral random seed for the server to use on startup.
This seed can be used to derive other instance ephemeral keys. The seed is forgotten upon shutdown of the server.
To help with testing, a
DefaultSeedhelping structure that provides a zeroed seed when testing, and the random seed when not testing.