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Digital signatures

Prove a signature is valid without revealing it: post-quantum ML-DSA (Dilithium) at all three FIPS 204 levels, and RSA-2048 PKCS#1 v1.5.

FIPS 204hekate-pqc ML-DSA Verification Verify post-quantum ML-DSA (Dilithium) signatures in zero knowledge at all FIPS 204 levels, many per proof, without revealing the key or the signature. RFC 8017hekate-rsa RSA-2048 PKCS#1 v1.5 Verification Verify RSA-2048 PKCS#1 v1.5 signatures with SHA-256 in zero knowledge: the modulus is public, the signature and the signed message stay private.