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fix display of space-example

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Tammi L. Coles 2024-02-16 15:11:10 +01:00
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14
book/source/adv/certificates.md
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@ -190,14 +190,14 @@ Overall, certificate minimization for email presents a promising approach to enh
[^space-example]: This example demonstrates how to minimize a certificate using GnuPG commands, targeting only relevant components:
```sh
gpg --export-options export-minimal,export-clean,no-export-attributes \
--export-filter keep-uid=mbox=wiktor@metacode.biz \
--export-filter 'drop-subkey=expired -t || revoked -t || usage =~ a' \
--export wiktor@metacode.biz
```
The process significantly reduces the certificate size from 152,322 bytes to just 3,771 bytes, demonstrating a substantial decrease in size by over 40 times. Such minimization is particularly crucial in contexts with strict size limitations, like embedding certificate data in email headers.
```sh
gpg --export-options export-minimal,export-clean,no-export-attributes \
--export-filter keep-uid=mbox=wiktor@metacode.biz \
--export-filter 'drop-subkey=expired -t || revoked -t || usage =~ a' \
--export wiktor@metacode.biz
```
The process significantly reduces the certificate size from 152,322 bytes to just 3,771 bytes, demonstrating a substantial decrease in size by over 40 times. Such minimization is particularly crucial in contexts with strict size limitations, like embedding certificate data in email headers.
## Identifying certificates: Fingerprints and Key IDs