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authorSun Knudsen <hello@sunknudsen.com>2019-10-19 14:05:49 -0400
committerSun Knudsen <hello@sunknudsen.com>2019-10-19 14:05:49 -0400
commit4524c116326c9333f8a8e2bd0bd5d3cff8353ee8 (patch)
treec0f56d144929e67b961ba1895a56f20fea29a299 /README.md
parentMerge pull request #134 from q84fh/debian-10.1.0 (diff)
downloadYubiKey-Guide-4524c116326c9333f8a8e2bd0bd5d3cff8353ee8.tar.gz
Added important note about pin caching #135
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@@ -1578,6 +1578,8 @@ max-cache-ttl 120
pinentry-program /usr/bin/pinentry-curses
```
+**Important** The `cache-ttl` options do **NOT** apply when using a YubiKey as a smartcard as the PIN is [cached by the smartcard itself](https://dev.gnupg.org/T3362). Therefore, in order to clear the PIN from cache (smartcard equivalent to `default-cache-ttl` and `max-cache-ttl`), you need to unplug the YubiKey.
+
**Tip** Set `pinentry-program /usr/bin/pinentry-gnome3` for a GUI-based prompt.
On macOS, use `brew install pinentry-mac` and adjust the program path to suit.