[Verse 1] When quantum computers threaten our codes Traditional signatures hit dead-end roads RSA and ECDSA won't survive the storm We need hash-based schemes to weather and transform SLH-DSA stands guard with mathematical might Stateless signatures that quantum can't bite Built on hash functions we trust and we know One-time signatures in Merkle tree flow [Chorus] Hash once, sign once, that's the golden rule Merkle trees and WOTS keep our crypto cool SLH-DSA, post-quantum and strong When the quantum age comes, we'll sing this song Stateless and secure, though the signatures grow Trade size for safety, that's the way we go [Verse 2] SPHINCS-Plus evolved to SLH standardized FIPS 205 got it recognized WOTS-Plus handles each one-time key Winternitz parameters set the degree Higher W means smaller signatures made But verification time is the price that's paid Security levels one-two-eight to two-five-six Choose your parameters, pick your perfect mix [Chorus] Hash once, sign once, that's the golden rule Merkle trees and WOTS keep our crypto cool SLH-DSA, post-quantum and strong When the quantum age comes, we'll sing this song Stateless and secure, though the signatures grow Trade size for safety, that's the way we go [Bridge] No state to manage, no keys to track Sign any message, there's no looking back Tree height determines how many you'll sign Hyper-trees layer to make it divine SHAKE and SHA give us collision resistance Pseudorandom functions provide our assistance Few-time signatures in the FORS design Multi-target attacks get left behind [Verse 3] Signature sizes reach kilobytes range Bandwidth and storage see significant change But quantum resistance is worth every byte When Shor's algorithm puts classical crypto in flight Fast verification keeps the system alive Though signing is slower, security will thrive Hash-based foundations won't crumble or fall SLH-DSA protects us all [Chorus] Hash once, sign once, that's the golden rule Merkle trees and WOTS keep our crypto cool SLH-DSA, post-quantum and strong When the quantum age comes, we'll sing this song Stateless and secure, though the signatures grow Trade size for safety, that's the way we go [Outro] When quantum dawn breaks on our digital shore Hash-based signatures will open the door SLH-DSA standing firm and true Post-quantum protection for me and you
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