Any plans to support openssl pkeyutl?

[mflaxman]

I'm trying to duplicate what is used by the key management systems for Google, AWS and IBM's cloud without calling out to openssl from my golang app:

$ echo "hello" | openssl pkeyutl -encrypt -pubin -inkey localpubkey.crt -pkeyopt rsa_padding_mode:oaep -pkeyopt rsa_oaep_md:sha256 -pkeyopt rsa_mgf1_md:sha256 | openssl pkeyutl -decrypt -inkey localkey.pem -pkeyopt rsa_padding_mode:oaep -pkeyopt rsa_oaep_md:sha256 -pkeyopt rsa_mgf1_md:sha256
hello

Doc links:

• Google: https://cloud.google.com/kms/docs/encrypt-decrypt-rsa
• AWS: https://aws.amazon.com/premiumsupport/knowledge-center/import-keys-kms/
• IBM: https://cloud.ibm.com/docs/key-protect?topic=key-protect-tutorial-import-keys

Thanks!