Decoding a public key from DER

[JohnScience]

I would like the rsa crate to also provide a function like https://docs.rs/rsa-der/latest/rsa_der/fn.public_key_from_der.html.

I can't use it directly because it returns Vec<u8> and I can't convert it in place because of the deallocation requirement for Layout.

[tarcieri]

Please see the documentation for decoding PKCS#1 and PKCS#8 keys:

• https://docs.rs/rsa/latest/rsa/#pkcs1-rsa-key-encoding
• https://docs.rs/rsa/latest/rsa/#pkcs8-rsa-key-encoding