Breaking the shared key in threshold signature schemes
blog.trailofbits.com | vulnerability | #denial-of-service | #cryptography | #vulnerability-disclosure | #threshold-signatures | #mpc | #dkg | #frost
Summary
Trail of Bits discloses a DoS flaw in Pedersen DKG of threshold signature schemes (Frost, DMZ21, GG20, GG18): a malicious participant can silently raise the shared-key reconstruction threshold.
- Published
- Collected
--- id: 1532 title: "Breaking the shared key in threshold signature schemes" source_domain: blog.trailofbits.com source_url: "https://blog.trailofbits.com/2024/02/20/breaking-the-shared-key-in-threshold-signature-schemes/" published_at: "2024-02-20T14:30:37Z" tags: ["denial-of-service", "cryptography", "vulnerability-disclosure", "threshold-signatures", "mpc", "dkg", "frost"] phying_url: "https://phying.com/item/1532" lang: en --- # Breaking the shared key in threshold signature schemes ## Summary Trail of Bits discloses a DoS flaw in Pedersen DKG of threshold signature schemes (Frost, DMZ21, GG20, GG18): a malicious participant can silently raise the shared-key reconstruction threshold. ## Intelligence Metadata - **Sources:** blog.trailofbits.com - **Published:** 2024-02-20T14:30:37Z - **Original:** https://blog.trailofbits.com/2024/02/20/breaking-the-shared-key-in-threshold-signature-schemes/ - **Phying News:** https://phying.com/item/1532