https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.rsa.importsubjectpublickeyinfo?view=netcore-3.0
RSA.ImportSubjectPublicKeyInfo(ReadOnlySpanByte, Int32) Method (System.Security.Cryptography) |...
Imports the public key from an X.509 SubjectPublicKeyInfo structure after decryption, replacing the keys for this object.
system securityrsamethodcryptography