Update content_trust.md

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Anne Henmi 2018-11-07 10:16:52 -08:00 committed by GitHub
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<td><code>trust-pinning:library-images</code></td>
<td>This option pins the official libraries (<code>docker.io/library/*<\code>) to the hard-coded Docker official images root key. DCT trusts the official images by default. This is in addition to whatever images are specified by <code>trust-pinning:root-keys<\code>. If `trustpinning:root-keys` specifies a key mapping for <code>docker.io/library/*</code>, those keys will be preferred for trust pinning. Otherwise, if a more general <code>docker.io/*</code> or <code>*</code> are specified, the official images key will be preferred.</td>
<td>This option pins the official libraries (<code>docker.io/library/*</code>) to the hard-coded Docker official images root key. DCT trusts the official images by default. This is in addition to whatever images are specified by <code>trust-pinning:root-keys<\code>. If `trustpinning:root-keys` specifies a key mapping for <code>docker.io/library/*</code>, those keys will be preferred for trust pinning. Otherwise, if a more general <code>docker.io/*</code> or <code>*</code> are specified, the official images key will be preferred.</td>
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<td><code>allow-expired-trust-cache</code></td>