Multiple Keys/Algorithms Usage TRIZ Cases

Blockchain infrastructure manages public keys and certificates through distributed hashing and consensus mechanisms.

Segmenting encryption into two steps resolves the trade-off between operational simplicity and flexible post-transmission access control.

Signed attestations enable secure message filtering by verifying sender authorization while preserving anonymity from intermediaries.

A Copy Count key manages permissible copy limits alongside a common decryption key.

Dual encryption schemes protect hearing device data against unauthorized access while managing computational constraints.

Dual encryption protects firmware against theft during transfer and post-burning phases while maintaining manufacturing speed through preliminary verification.

Segmented keys enable nested encryption across devices, resolving the trade-off between backup reliability and unauthorized data leakage risks.

Host-level encryption isolates virtual machine traffic using contextual metadata, reducing key management overhead and enhancing security granularity.

An encryption chip stores a mixed certification key formed by combining a public authentication key and pseudo keys to secure accessory connections.

Extraction of identification data into a secure database prevents unauthorized duplication and illicit playback of encrypted content.

A proxy computing system performs secure decryption using scrambled input elements to generate verified computation results.