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Update the manpage to describe {Cache,Key}Directory
Also, explain which files should be put in which.
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@ -415,6 +415,16 @@ GENERAL OPTIONS
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DataDirectory. If the option is set to 1, make the DataDirectory readable
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by the default GID. (Default: 0)
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[[CacheDirectory]] **CacheDirectory** __DIR__::
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Store cached directory data in DIR. Can not be changed while tor is
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running.
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(Default: uses the value of DataDirectory.)
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[[CacheDirectoryGroupReadable]] **CacheDirectoryGroupReadable** **0**|**1**::
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If this option is set to 0, don't allow the filesystem group to read the
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CacheDirectory. If the option is set to 1, make the CacheDirectory readable
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by the default GID. (Default: 0)
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[[FallbackDir]] **FallbackDir** __ipv4address__:__port__ orport=__port__ id=__fingerprint__ [weight=__num__] [ipv6=**[**__ipv6address__**]**:__orport__]::
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When we're unable to connect to any directory cache for directory info
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(usually because we don't know about any yet) we try a directory authority.
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@ -2219,6 +2229,17 @@ is non-zero):
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ed25519 master identity key, as well as the corresponding temporary
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signing keys and certificates. (Default: 0)
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[[KeyDirectory]] **KeyDirectory** __DIR__::
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Store secret keys in DIR. Can not be changed while tor is
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running.
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(Default: the "keys" subdirectory of DataDirectory.)
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[[KeyDirectoryGroupReadable]] **KeyDirectoryGroupReadable** **0**|**1**::
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If this option is set to 0, don't allow the filesystem group to read the
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KeywDirectory. If the option is set to 1, make the KeyDirectory readable
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by the default GID. (Default: 0)
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DIRECTORY SERVER OPTIONS
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------------------------
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@ -2883,40 +2904,35 @@ FILES
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**@LOCALSTATEDIR@/lib/tor/**::
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The tor process stores keys and other data here.
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__DataDirectory__**/cached-status/**::
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The most recently downloaded network status document for each authority.
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Each file holds one such document; the filenames are the hexadecimal
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identity key fingerprints of the directory authorities. Obsolete;
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no longer in use.
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__DataDirectory__**/cached-certs**::
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__CacheDirectory__**/cached-certs**::
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This file holds downloaded directory key certificates that are used to
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verify authenticity of documents generated by Tor directory authorities.
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__DataDirectory__**/cached-consensus** and/or **cached-microdesc-consensus**::
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__CacheDirectory__**/cached-consensus** and/or **cached-microdesc-consensus**::
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The most recent consensus network status document we've downloaded.
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__DataDirectory__**/cached-descriptors** and **cached-descriptors.new**::
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__CacheDirectory__**/cached-descriptors** and **cached-descriptors.new**::
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These files hold downloaded router statuses. Some routers may appear more
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than once; if so, the most recently published descriptor is used. Lines
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beginning with @-signs are annotations that contain more information about
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a given router. The ".new" file is an append-only journal; when it gets
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too large, all entries are merged into a new cached-descriptors file.
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__DataDirectory__**/cached-extrainfo** and **cached-extrainfo.new**::
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__CacheDirectory__**/cached-extrainfo** and **cached-extrainfo.new**::
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As "cached-descriptors", but holds optionally-downloaded "extra-info"
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documents. Relays use these documents to send inessential information
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about statistics, bandwidth history, and network health to the
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authorities. They aren't fetched by default; see the DownloadExtraInfo
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option for more info.
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__DataDirectory__**/cached-microdescs** and **cached-microdescs.new**::
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__CacheDirectory__**/cached-microdescs** and **cached-microdescs.new**::
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These files hold downloaded microdescriptors. Lines beginning with
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@-signs are annotations that contain more information about a given
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router. The ".new" file is an append-only journal; when it gets too
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large, all entries are merged into a new cached-microdescs file.
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__DataDirectory__**/cached-routers** and **cached-routers.new**::
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__CacheDirectory__**/cached-routers** and **cached-routers.new**::
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Obsolete versions of cached-descriptors and cached-descriptors.new. When
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Tor can't find the newer files, it looks here instead.
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@ -2934,7 +2950,7 @@ __DataDirectory__**/sr-state**::
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Authority only. State file used to record information about the current
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status of the shared-random-value voting state.
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__DataDirectory__**/diff-cache**::
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__CacheDirectory__**/diff-cache**::
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Directory cache only. Holds older consensuses, and diffs from older
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consensuses to the most recent consensus of each type, compressed
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in various ways. Each file contains a set of key-value arguments
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@ -2964,63 +2980,60 @@ __DataDirectory__**/key-pinning-journal**::
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or factoring the RSA1024 key will no longer let an attacker impersonate
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the relay.
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__DataDirectory__**/keys/***::
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Only used by servers. Holds identity keys and onion keys.
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__DataDirectory__**/keys/authority_identity_key**::
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__KeyDirectory__**/authority_identity_key**::
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A v3 directory authority's master identity key, used to authenticate its
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signing key. Tor doesn't use this while it's running. The tor-gencert
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program uses this. If you're running an authority, you should keep this
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key offline, and not actually put it here.
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__DataDirectory__**/keys/authority_certificate**::
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__KeyDirectory__**/authority_certificate**::
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A v3 directory authority's certificate, which authenticates the authority's
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current vote- and consensus-signing key using its master identity key.
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Only directory authorities use this file.
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__DataDirectory__**/keys/authority_signing_key**::
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__KeyDirectory__**/authority_signing_key**::
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A v3 directory authority's signing key, used to sign votes and consensuses.
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Only directory authorities use this file. Corresponds to the
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**authority_certificate** cert.
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__DataDirectory__**/keys/legacy_certificate**::
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__KeyDirectory__**/legacy_certificate**::
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As authority_certificate: used only when V3AuthUseLegacyKey is set.
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See documentation for V3AuthUseLegacyKey.
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__DataDirectory__**/keys/legacy_signing_key**::
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__KeyDirectory__**/legacy_signing_key**::
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As authority_signing_key: used only when V3AuthUseLegacyKey is set.
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See documentation for V3AuthUseLegacyKey.
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__DataDirectory__**/keys/secret_id_key**::
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__KeyDirectory__**/secret_id_key**::
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A relay's RSA1024 permanent identity key, including private and public
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components. Used to sign router descriptors, and to sign other keys.
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__DataDirectory__**/keys/ed25519_master_id_public_key**::
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__KeyDirectory__**/ed25519_master_id_public_key**::
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The public part of a relay's Ed25519 permanent identity key.
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__DataDirectory__**/keys/ed25519_master_id_secret_key**::
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__KeyDirectory__**/ed25519_master_id_secret_key**::
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The private part of a relay's Ed25519 permanent identity key. This key
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is used to sign the medium-term ed25519 signing key. This file can be
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kept offline, or kept encrypted. If so, Tor will not be able to generate
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new signing keys itself; you'll need to use tor --keygen yourself to do
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so.
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__DataDirectory__**/keys/ed25519_signing_secret_key**::
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__KeyDirectory__**/ed25519_signing_secret_key**::
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The private and public components of a relay's medium-term Ed25519 signing
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key. This key is authenticated by the Ed25519 master key, in turn
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authenticates other keys (and router descriptors).
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__DataDirectory__**/keys/ed25519_signing_cert**::
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__KeyDirectory__**/ed25519_signing_cert**::
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The certificate which authenticates "ed25519_signing_secret_key" as
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having been signed by the Ed25519 master key.
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__DataDirectory__**/keys/secret_onion_key** and **secret_onion_key.old**::
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__KeyDirectory__**/secret_onion_key** and **secret_onion_key.old**::
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A relay's RSA1024 short-term onion key. Used to decrypt old-style ("TAP")
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circuit extension requests. The ".old" file holds the previously
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generated key, which the relay uses to handle any requests that were
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made by clients that didn't have the new one.
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__DataDirectory__**/keys/secret_onion_key_ntor** and **secret_onion_key_ntor.old**::
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__KeyDirectory__**/secret_onion_key_ntor** and **secret_onion_key_ntor.old**::
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A relay's Curve25519 short-term onion key. Used to handle modern ("ntor")
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circuit extension requests. The ".old" file holds the previously
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generated key, which the relay uses to handle any requests that were
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@ -3047,11 +3060,11 @@ __DataDirectory__**/v3-status-votes**::
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Only for v3 authoritative directory servers. This file contains
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status votes from all the authoritative directory servers.
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__DataDirectory__**/unverified-consensus**::
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__CacheDirectory__**/unverified-consensus**::
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This file contains a network consensus document that has been downloaded,
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but which we didn't have the right certificates to check yet.
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__DataDirectory__**/unverified-microdesc-consensus**::
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__CacheDirectory__**/unverified-microdesc-consensus**::
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This file contains a microdescriptor-flavored network consensus document
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that has been downloaded, but which we didn't have the right certificates
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to check yet.
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