|  | @@ -909,6 +909,18 @@ $Id$
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				|  |  |          server's administrator.  Administrators should include at least an
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				|  |  |          email address and a PGP fingerprint.
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				|  |  |  
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				|  |  | +    "legacy-key" SP FINGERPRINT NL
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				|  |  | +
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				|  |  | +        [At most once]
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				|  |  | +
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				|  |  | +        Lists a fingerprint for an obsolete _identity_ key still used
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				|  |  | +        by this authority to keep older clients working.  This option
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				|  |  | +        is used to keep key around for a little while in case the
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				|  |  | +        authorities need to migrate many identity keys at once.
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				|  |  | +        (Generally, this would only happen because of a security
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				|  |  | +        vulnerability that affected multiple authorities, like the
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				|  |  | +        Debian OpenSSL RNG bug of May 2008.)
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				|  |  | +
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				|  |  |     The authority section of a consensus contains groups the following items,
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				|  |  |     in the order given, with one group for each authority that contributed to
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				|  |  |     the consensus, with groups sorted by authority identity digest:
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				|  | @@ -1176,7 +1188,12 @@ $Id$
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				|  |  |       The authority item groups (dir-source, contact, fingerprint,
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				|  |  |       vote-digest) are taken from the votes of the voting
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				|  |  |       authorities. These groups are sorted by the digests of the
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				|  |  | -     authorities identity keys, in ascending order.
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				|  |  | +     authorities identity keys, in ascending order.  If the consensus
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				|  |  | +     method is 3 or later, a dir-source line must be included for
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				|  |  | +     every vote with legacy-key entry, using the legacy-key's
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				|  |  | +     fingerprint, the voter's ordinary nickname with the string
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				|  |  | +     "-legacy" appended, and all other fields as from the original
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				|  |  | +     vote's dir-source line.
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				|  |  |  
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				|  |  |       A router status entry:
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				|  |  |          * is included in the result if some router status entry with the same
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