A secret key that has been established between the parties who are authorized to use it by means of some secure method (e.g., using a secure manual-distribution process or automated key-establishment scheme).
Sources:
NIST SP 800-133 Rev. 2
under Pre-shared key
A secret key that has previously been established. See “pre-shared key” in Section 3.1 above.
Sources:
NIST SP 800-135 Rev. 1
under Pre-shared-key
A secret key that is established between communicating parties before a communication protocol starts.
Sources:
NIST SP 800-135 Rev. 1
under Pre-shared key
A secret key that has previously been established between the parties who are authorized to use it by means of some secure method (e.g., using a secure manual-distribution process or automated key-establishment scheme).
Sources:
NIST SP 800-175B Rev. 1
under Pre-shared key
A single secret key used by IPsec endpoints to authenticate endpoints to each other.
Sources:
NIST SP 800-77 Rev. 1
under Pre-shared Key