RSA Signature Verification in OpenSSL 3.x

[Mayerhofer, Austin]

Hi all, does OpenSSL have a discord or slack with other experts such as yourselves? Or is this mailing list the primary place for support? Thanks in advance!

When it comes to verifying an RSA signature, is there an up to date OpenSSL 3.0 version of https://gist.github.com/irbull/08339ddcd5686f509e9826964b17bb59 that doesn’t use deprecated 1.1.x functions such as EVP_PKEY_assign_RSA() and PEM_read_bio_RSA_PUBKEY()?

I read through the migration guide, but I’m still a bit lost on what needs replacing to get a 3.0 FIPS compliant RSA verification algorithm.

Is there an updated example, or any resources to help with the above migration?

Thanks for any help!


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