jpeg resistance of various post-quantum signature schemes

Posted by Q C

Jun 17, 2025/17:42 UTC

The ongoing discussions at the NIST pqc forum have highlighted an interesting alternative in the realm of digital signature algorithms, particularly concerning those concerned with lattice security. A specific parameter set, referred to as G-7, is under consideration for SLH-DSA, offering notable advantages over the current ML-DSA framework. Despite this, it's important to note that both the public key and signature sizes associated with this new set are significantly larger than those found in the widely used secp256k1 standard.

Delving further into the details, the G-7 parameter set assures a 128-bit security level, which involves generating signatures that are 3888 bytes in size. This marks a 9% increase in signature length compared to the G-1 parameter set, which is currently the shortest candidate. However, this increment comes with a substantial benefit: the G-7 set enables signature verification processes to be nine times faster than those of G-1. This trade-off between signature size and verification speed highlights the evolving nature of cryptographic standards and the ongoing search for optimal solutions within the field.

Such developments are crucial for the broader community involved in cryptocurrency development, particularly those focused on Bitcoin, as these advancements directly impact the efficiency and security of transactions. The information shared through platforms such as the Google Groups "Bitcoin Development Mailing List" ensures that community members are kept up-to-date with the latest cryptographic research and its potential applications within blockchain technologies.

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