temps (durée) (1) secteur des services (1) science (1) papier (1) information (1) distribution (1) internet (1) Corée (République de) (1) Cryptography (1) Methods (1) Internet (1) Time (1) Sharing (1) Science (1) Paper (1) Locks and keys (1) Korea (1) Fingerprints (1) Example (1) Cryptography (1) Copying (1) Methods (1) Copying (1) Science (1) Public key cryptography (1)