If you don't mind a one terabyte public key. https://eprint.iacr.org/2017/351.pdf
also that paper (IMO) is ridiculously conservative. Just using 1GB keys is plenty sufficient since it would require a quantum computer with a billion bits to decrypt.
also that paper (IMO) is ridiculously conservative. Just using 1GB keys is plenty sufficient since it would require a quantum computer with a billion bits to decrypt.