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    Glossary
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authenticated protected channel

Definitions:

  An encrypted channel that uses approved cryptography where the connection initiator (client) has authenticated the recipient (server).
Sources:
NIST SP 1800-12b

  An encrypted communication channel that uses approved cryptography in which the connection initiator (client) has authenticated the recipient (server). Authenticated protected channels are encrypted to provide confidentiality and protection against active intermediaries and are frequently used in the user authentication process. Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) [RFC 9325] are examples of authenticated protected channels in which the certificate presented by the recipient is verified by the initiator. Unless otherwise specified, authenticated protected channels do not require the server to authenticate the client. Authentication of the server is often accomplished through a certificate chain that leads to a trusted root rather than individually with each server.
Sources:
NIST SP 800-63-4 [

  

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NIST SP 800-63A-4 [

  

]