How do you get the subjectAltName from a CSR in php?

StackOverflow https://stackoverflow.com/questions/15982778

  •  03-04-2022
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Question

The php reference has functions like openssl_csr_get_subject, but how do I get the subjectAltNames from the csr?

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Solution

I dont think that its possible, I instead went with phpseclib to do this for me.

OTHER TIPS

Try openssl_x509_parse alternative subjects can read as extensions, I believe you will find:

[extensions][subjectAltName] => DNS:*.cacert.org, DNS:cacert.org, DNS:*.cacert.net, DNS:cacert.net, DNS:*.cacert.com, DNS:cacert.com
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