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Commands Reference, Volume 2
dnssec-signkey Command
Purpose
DNSSEC key set signing tool.
Syntax
dnssec-signkey [-a] [-c class] [-s start-time] [-e end-time] [-h] [-p] [-r randomdev] [-v level] keyset key
...
Description
The dnssec-signkey command signs a keyset. Typically
the keyset will be for a child zone, and will have been generated by dnssec-makekeyset. The child zone's keyset is signed with
the zone keys for its parent zone. The output file is of the form signedkey-nnnn., where nnnn is the zone name.
Flags
-a |
Verify all generated signatures. |
-c class |
Specifies the DNS class of the key sets. |
-s start-time |
Specify the date and time when the generated SIG records
become valid. This can be either an absolute or relative time. An absolute
start time is indicated by a number in YYYYMMDDHHMMSS notation;
20000530144500 denotes 14:45:00 UTC on May 30th, 2000. A relative start time
is indicated by +N, which is N seconds from the current
time. If no start-time is specified, the current time
is used. |
-e end-time |
Specify the date and time when the generated SIG records
expire. As with start-time, an absolute time is indicated in YYYYMMDDHHMMSS notation. A time relative to the start time is indicated with +N, which is N seconds from the start time. A time realtive to the current
time is indicated with now+N. If no end-time is specified, 30 days from the start time is used as a default. |
-h |
Prints a short summary of the options and arguments
to dnssec-signkey. |
-p |
Use pseudo-random data when signing the zone. This
is faster, but less secure, than using real random data. This option may be
useful when signing large zones or when the entropy source is limited. |
-r randomdev |
Specifies the source of randomness. If the operating
system does not provide a /dev/random or equivalent
device, the default source of randomness is keyboard input. randomdev specifies the name of a character device or file containing
random data to be used instead of the default. The special value keyboard
indicates that keyboard input should be used. |
-v level |
Sets the debugging level. |
Parameters
keyset |
The file containing the child's keyset. |
key |
The keys used to sign the child's keyset. |
Examples
The DNS administrator for a DNSSEC-aware .com zone
would use the following command to sign the keyset file for example.com created by dnssec-makekeyset with a
key generated by dnssec-keygen:
dnssec-signkey keyset-example.com. Kcom.+003+51944
In this example, dnssec-signkey creates the file signedkey-example.com., which contains the example.com keys and the signatures by the .com keys.
Related Information
The dnssec-keygen, dnssec-makekeyset, and dnssec-signzone commands.
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