54 lines
2.1 KiB
Plaintext
54 lines
2.1 KiB
Plaintext
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE dita PUBLIC "-//OASIS//DTD DITA Composite//EN" "ditabase.dtd">
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<dita>
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<topic id="topic_flg_p3y_5db">
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<title>Key Selection</title>
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<body>
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<p>Selecting keys to encrypt to or to sign with will be a common occurrence when working with
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GPGMe and the means available for doing so are quite simple.</p>
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<p>They do depend on utilising a Context; however once the data is recorded in another
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variable, that Context does not need to be the same one which subsequent operations are
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performed.</p>
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<p>The easiest way to select a specific key is by searching for that key's key ID or
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fingerprint, preferably the full fingerprint without any spaces in it. A long key ID will
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probably be okay, but is not advised and short key IDs are already a problem with some being
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generated to match specific patterns. It does not matter whether the pattern is upper or
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lower case.</p>
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<p>So this is the best method:</p>
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<p>
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<codeblock id="keysel-01" outputclass="language-python">import gpg
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k = gpg.Context().keylist(pattern="258E88DCBD3CD44D8E7AB43F6ECB6AF0DEADBEEF")
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keys = list(k)
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</codeblock>
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</p>
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<p>This is passable and very likely to be common:</p>
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<p>
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<codeblock id="keysel-02" outputclass="language-python">import gpg
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k = gpg.Context().keylist(pattern="0x6ECB6AF0DEADBEEF")
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keys = list(k)
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</codeblock>
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</p>
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<p>And this is a really bad idea:</p>
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<p>
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<codeblock id="keysel-03" outputclass="language-python">import gpg
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k = gpg.Context().keylist(pattern="0xDEADBEEF")
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keys = list(k)
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</codeblock>
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</p>
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<p>Alternatively it may be that the intention is to create a list of keys which all match a
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particular search string. For instance all the addresses at a particular domain, like
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this:</p>
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<p>
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<codeblock id="keysel-04" outputclass="language-python">import gpg
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ncsc = gpg.Context().keylist(pattern="ncsc.mil")
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nsa = list(ncsc)
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</codeblock>
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</p>
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</body>
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</topic>
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</dita>
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