Internet Engineering Task Force (IETF) R. Denis-Courmont Request for Comments: 5769 Nokia Category: Informational April 2010 ISSN: 2070-1721
Test Vectors for Session Traversal Utilities for NAT (STUN)
The Session Traversal Utilities for NAT (STUN) protocol defines several STUN attributes. The content of some of these -- FINGERPRINT, MESSAGE-INTEGRITY, and XOR-MAPPED-ADDRESS -- involve binary-logical operations (hashing, xor). This document provides test vectors for those attributes.
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This document is not an Internet Standards Track specification; it is published for informational purposes.
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Denis-Courmont Informational [Page 1]
RFC 5769 STUN Test Vectors April 2010
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All included vectors are represented as a series of hexadecimal values in network byte order. Each pair of hexadecimal digits represents one byte.
Messages follow the Interactive Connectivity Establishment (ICE) Connectivity Checks use case of STUN (see [RFC5245]). These messages include FINGERPRINT, MESSAGE-INTEGRITY, and XOR-MAPPED-ADDRESS STUN attributes. These attributes are considered to be most prone to implementation errors. An additional message is provided to test STUN authentication with long-term credentials (which is not used by ICE).
In the following sample messages, two types of plain UTF-8 text attributes are included. The values of certain of these attributes were purposely sized to require padding. Non-ASCII characters are represented as <U+xxxx> where xxxx is the hexadecimal number of their Unicode code point.
In this document, ASCII white spaces (U+0020) are used for padding within the first three messages - this is arbitrary. Similarly, the last message uses nul bytes for padding. As per [RFC5389], padding bytes may take any value.