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сквозное шифрование stresses
data.prot.	connection-oriented encryption; direct user to user encryption; host-to-host encryption; point-to-point encryption; source-to-destination encryption; user-to-user encryption
IT	end-to-end encipherment
telecom.	end-to-end encryption (wikipedia.org)

сквозное шифрование: 4 phrases in 3 subjects

Information security and data protection	2
Programming	1
Telecommunications	1