Premodifier: cryptographic
Head noun: key

Same concepts
http://dbpedia.org/resource/Key_(cryptography)

Narrower concepts

labelprovenanceconfidence
public keyisap:2800629480.623677
digital signatureisap:4870480540.613148
keyisap:2800624540.442045
applicationisap:5019248840.336760
encryptionisap:4022397300.240715