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PQC Suite B Profile picture
PQC Suite B
@PQCsuiteB
Faster post-quantum cryptography
Nov 11 • 7 tweets • 2 min read
Today, we're excited to announce SLH-DSA-B.

Recently, we announced our optimization work on ML-DSA that leverages the BLAKE3 hash function for internal calls (ML-DSA-B)

A similar approach for SLH-DSA (SLH-DSA-B) yields 15-18% faster signatures & 5-15% faster verification Image
Image SLH-DSA (FIPS 205) is a hash-based post-quantum signature scheme based on SPHINCS+. It has two variants: one using SHA-256 and one using SHAKE.

We replace those with BLAKE3 and call the new scheme SLH-DSA-B.