The Secure Shell (SSH) Transport Layer Encryption Modes
Mihir Bellare, Tadayoshi Kohno, Chanathip Namprempre · 2006
This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards " (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2006). Researchers have discovered that the authenticated encryption portion of the current SSH Transport Protocol is vulnerable to several attacks. This document describes new symmetric encryption methods for the Secure Shell (SSH) Transport Protocol and gives specific recommendations on how frequently SSH implementations should rekey.