[Verse 1] In the quantum world they're breaking through Classical crypto won't see us through But hidden in math we've known so long Error correction keeps us strong Linear codes with structure tight Hamming distance guides our sight When bits flip wrong we can repair Post-quantum safety waiting there [Chorus] HQC stands strong when quantum comes Hamming Quasi-Cyclic runs Syndrome decoding hard to break Security that's no mistake Code-based crypto holds the key Error patterns set us free When quantum computers rule the day HQC will pave the way [Verse 2] Take your message wrap it clean In a code that can't be seen Generator matrix builds the wall Random errors fool them all Syndromes tell us where it's wrong But finding them takes way too long NP-hard the problem stays Even in the quantum phase [Chorus] HQC stands strong when quantum comes Hamming Quasi-Cyclic runs Syndrome decoding hard to break Security that's no mistake Code-based crypto holds the key Error patterns set us free When quantum computers rule the day HQC will pave the way [Bridge] Quasi-cyclic structure saves the space Polynomial rings keep up the pace Public key from generator code Private key's the secret road Decoding with the structure known But outsiders left alone Algebraic hardness proof Quantum-safe cryptographic truth [Verse 3] Implementation needs finesse Key sizes cause some distress But speed and security align In this post-quantum design NIST evaluates the schemes HQC fulfills our crypto dreams From theory into practice now Code-based systems show us how [Final Chorus] HQC stands strong when quantum comes Hamming Quasi-Cyclic runs Syndrome decoding hard to break Security that's no mistake Code-based crypto holds the key Error patterns set us free The future's here the path is clear HQC conquers quantum fear [Outro] When the quantum storm arrives Code-based cryptography survives HQC lighting up the way For our post-quantum day
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