XMSS
XMSS– A Practical Forward Secure Signature Scheme based on Minimal Security Assumptions
#MerkeTree
#MerkleSignatureScheme
の拡張
#RFC
8391としても定義されている
https://datatracker.ietf.org/doc/html/rfc8391
MSS-SPR
Second Preimage Registance Merkle Signature Schema
OTS: One-time Signature Scheme
PRG: Pseudorandom Generators
FFSIG
GMSS: Generalized Merkle Signature Scheme
Forward Secrecy