The Did-jwt library only supports x25519 key exchange and XChacha20Poly1305. If you wish to use the dag-jose codec with other a lot less safe algorithms you'll be able to encrypt another library and put the resulting JWE into the dag. Underneath is undoubtedly an example using the jose library. https://financefeeds.com/beyond-doge-and-shib-5-altcoins-gearing-up-to-make-the-next-generation-of-copyright-millionaires/