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44 lines
1.1 KiB
ReStructuredText
44 lines
1.1 KiB
ReStructuredText
===========================
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Stopping/Resetting SCDAEMON
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===========================
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There is a daemon named ``scdaemon`` behind gpg-agent, which handles
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communication to smartcard/token.
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Ideally, we don't need to care about ``scdaemon``, and it should
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handle everything automatically. But, there are some cases (because
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of bugs), where we need to talk to the daemon directly, in practice.
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How to communicate SCDAEMON
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===========================
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We have a utility to communicate with a running gpg-agent, that's
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gpg-connect-agent. We can use it to communicate with scdaemon,
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as it supports sub-command "SCD", exactly for this purpose.
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Stopping SCDAEMON
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=================
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To stop SCDAEMON and let it exit, type::
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$ gpg-connect-agent "SCD KILLSCD" "SCD BYE" /bye
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Then, you can confirm that there is no SCDAEMON any more by ``ps``
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command.
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Or, you can use ``gpgconf`` command. Type::
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$ gpgconf --reload scdaemon
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will do the same thing.
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Let GPG-AGENT/SCDAEMON learn
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============================
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To let gpg-agent/scdaemon "learn" from Gnuk Token, type::
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$ gpg-connect-agent learn /bye
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