Module multisig 

Multi-Signature Support Module

Provides M-of-N threshold signature verification for scenarios requiring multiple signers to approve a version.

Use Cases

• Dual Control: 2-of-2 for financial rules requiring two approvers
• Committee Approval: 3-of-5 for board-level policy changes
• Backup Recovery: 2-of-3 for key recovery scenarios

Structs

MultiSigPolicy

Multi-signature policy defining required signers

MultiSigVerification

Result of multi-signature verification

SignatureAggregator

Aggregate multiple signatures for a version

Functions

verify_multisig

Verify multiple signatures against a policy, pinned by a KeyRegistry — RFC-0021 / RFC-0034.