PuTTY bug unknown-cipher-hang

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summary: PuTTY hangs if a saved session's preferred cipher is unknown
class: bug: This is clearly an actual problem we want fixed.
difficulty: fun: Just needs tuits, and not many of them.
priority: medium: This should be fixed one day.
present-in: 0.58
fixed-in: r6294 456ba583293643972c74e212fd5dcb50e7c905ee 2005-09-13 (0.59)

If a saved session has as its preferred cipher or key-exchange mechanism
one that isn't recognised by PuTTY (e.g. having been emitted by a newer
version), PuTTY hangs when loading the saved session.

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(last revision of this bug record was at 2016-12-27 11:40:21 +0000)