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Comments on What are these weird hash symlinks to certificates in /etc/ssl/certs?

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What are these weird hash symlinks to certificates in /etc/ssl/certs?

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Trusted CA certificates are commonly stored in /etc/ssl/certs. Looking at the directory on my ubuntu server there's a bunch of certificate files and symlinks to certs in other directories as expected, but there are also these weird looking symlinks to the previously mentioned entities:

68dd7389.0 -> Hongkong_Post_Root_CA_3.pem

The link name looks like a hash of some kind, perhaps of the certificate file itself? As far as I can tell there's one for each "real" certificate in the directory.

What are these hashy certificate links? What creates them, and what are they used for?

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OpenSSL requries hashes (2 comments)
OpenSSL requries hashes
matthewsnyder‭ wrote 12 months ago · edited 12 months ago

OpenSSL actually looks up the hashed names, not human friendly names. Answer here: https://unix.stackexchange.com/a/698873 Too lazy to write it up as an answer, sorry - you're welcome to self-answer.

Iizuki‭ wrote 11 months ago

Thanks for the pointer!