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Evidence Changelog

All notable changes to QCOS Evidence are documented here.

[3.2.0] - 2026-02-06​

Added​

  • Batch verification: Verify multiple bundles in one call
  • Evidence streaming: Real-time evidence generation events
  • PDF export improvements: Enhanced audit document formatting
  • CBOR export: Compact binary format for constrained systems

Changed​

  • Improved signature verification speed (2x faster)
  • Better error messages for verification failures
  • Enhanced chain proof validation

Fixed​

  • Timestamp proof timezone handling
  • PDF export character encoding issues

[3.1.0] - 2026-01-15​

Added​

  • ML-DSA-65 signatures: NIST FIPS 204 compliant PQC
  • Hash chains: Bundle linking for ordering proof
  • Timestamp proofs: RFC 3161 compatible
  • Export formats: JSON, PDF support

Changed​

  • Migrated from Dilithium to ML-DSA-65 (final NIST name)
  • Improved bundle schema for v3.0

[3.0.0] - 2025-12-01​

Added​

  • Evidence System: Initial cryptographic proof framework
  • PQC Integration: Lattice-based signatures
  • Basic verification: Signature and hash verification

Roadmap​

[3.3.0] - Planned Q2 2026​

  • Multi-party verification
  • Blockchain anchoring
  • Long-term archive format
  • Hardware security module (HSM) integration

[4.0.0] - Planned Q4 2026​

  • Zero-knowledge proofs
  • Selective disclosure
  • Cross-organization verification
  • Decentralized timestamping

Version Support​

VersionStatusSupport Until
3.2.xCurrentActive
3.1.xSupported2026-07
3.0.xDeprecated2026-03

Schema Versions​

SchemaEvidence VersionNotes
3.03.2.xCurrent, ML-DSA-65
2.13.0.x - 3.1.xDilithium3
2.02.xECDSA (deprecated)

Old bundles remain verifiable with their original algorithms.

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