Symmetric Encryption is a cryptographic method where the same secret key is used for both encrypting and decrypting information. This technique allows for fast and efficient data scrambling and unscrambling, making it suitable for securing large volumes of data. Both sender and receiver must possess this shared secret key to communicate privately. It is a fundamental cryptographic primitive. This method ensures data confidentiality.
Context
While public-key cryptography is central to blockchain transaction signing, symmetric encryption plays a role in securing data off-chain or within specific layers of decentralized applications where efficiency is paramount. Discussions sometimes involve the secure distribution and management of these shared keys in a decentralized context. Hybrid encryption schemes often combine symmetric and asymmetric methods for robust security. It forms a component of comprehensive security solutions.
This framework introduces a Distributed Threshold Key Management System, using DKG to shard master keys, fundamentally securing decentralized applications.
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