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84 lines
3.0 KiB
Plaintext
84 lines
3.0 KiB
Plaintext
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Format of keyserver colon listings
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==================================
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David Shaw <dshaw@jabberwocky.com>
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The machine readable response begins with an optional information
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line:
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info:<version>:<count>
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<version> = this is the version of this protocol. Currently, this is
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the number 1.
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<count> = the number of keys returned in this response. Note this is
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the number of keys, and not the number of lines returned.
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It should match the number of "pub:" lines returned.
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If this optional line is not included, or the version information is
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not supplied, the version number is assumed to be 1.
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The key listings are made up of several lines per key. The first line
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is for the primary key:
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pub:<fingerprint>:<algo>:<keylen>:<creationdate>:<expirationdate>:<flags>
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<fingerprint> = this is either the fingerprint or the keyid of the
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key. Either the 16-digit or 8-digit keyids are
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acceptable, but obviously the fingerprint is best.
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Since it is not possible to calculate the keyid from a
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V3 key fingerprint, for V3 keys this should be either
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the 16-digit or 8-digit keyid only.
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<algo> = the algorithm number from RFC-2440. (i.e. 1==RSA, 17==DSA,
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etc).
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<keylen> = the key length (i.e. 1024, 2048, 4096, etc.)
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<creationdate> = creation date of the key in standard RFC-2440 form
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(i.e. number of seconds since 1/1/1970 UTC time)
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<expirationdate> = expiration date of the key in standard RFC-2440
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form (i.e. number of seconds since 1/1/1970 UTC time)
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<flags> = letter codes to indicate details of the key, if any. Flags
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may be in any order.
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r == revoked
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d == disabled
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e == expired
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Following the "pub" line are one or more "uid" lines to indicate user
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IDs on the key:
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uid:<escaped uid string>:<creationdate>:<expirationdate>:<flags>
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<escaped uid string> == the user ID string, with HTTP %-escaping for
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anything that isn't 7-bit safe as well as for
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the ":" character. Any other characters may
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be escaped, as desired.
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creationdate, expirationdate, and flags mean the same here as before.
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The information is taken from the self-sig, if any, and applies to the
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user ID in question, and not to the key as a whole.
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Details:
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* All characters except for the <escaped uid string> are
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case-insensitive.
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* Obviously, on a keyserver without integrated crypto, many of the
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items given here are not fully trustworthy until the key is
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downloaded and signatures checked. For example, the information
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that a key is flagged "r" for revoked should be treated as
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untrustworthy information until the key is checked on the client
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side.
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* Empty fields are allowed. For example, a key with no expiration
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date would have the <expirationdate> field empty. Also, a keyserver
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that does not track a particular piece of information may leave that
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field empty as well. I expect that the creation and expiration
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dates for user IDs will be left empty in current keyservers. Colons
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for empty fields on the end of each line may be left off, if
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desired.
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