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5.8. KRB_CRED Message Specification

5.8.1. KRB_CRED Definition

Message structure for credential forwarding:

  • pvno - Protocol version number
  • msg-type - Message type (KRB-CRED)
  • tickets - Sequence of tickets being forwarded
  • enc-part - Encrypted part

Encrypted Part (EncKrbCredPart)

Contains:

  • ticket-info - Sequence of credential information
  • nonce - Optional nonce
  • timestamp - Optional timestamp
  • usec - Optional microseconds
  • s-address - Optional sender address
  • r-address - Optional recipient address

Ticket Info Structure

For each ticket:

  • key - Session key
  • prealm, pname - Optional principal
  • flags - Optional ticket flags
  • authtime, starttime, endtime - Optional times
  • renew-till - Optional renew time
  • srealm, sname - Optional service info
  • caddr - Optional addresses

Usage

Used for forwarding credentials between systems or storing credentials securely.

Reference

For complete specification, refer to RFC 4120 Section 5.8.