Trail of Bits

Anza BLS Signatures

Type

Security review

Client

Anza

Date

2026-03

Domain

Crypto

Effort

1 wk

Section

Cryptography Reviews

Trail of Bits's security review of Anza (Mar 2026) identified 6 issues: 1 medium, 1 low, 3 informational, and 1 undetermined.

Findings · 6

  1. 1 Mismatched and incorrect domain separation tags Informational
  2. 2 Signature verification does not prevent rogue key attacks Undetermined
  3. 3 Public key construction does not reject identity point Low
  4. 4 Missing length checks on input key material Medium
  5. 5 Parallel aggregation turns an empty iterator into the identity point Informational
  6. 6 Writing a keypair to file does not set file permissions on Windows Informational

Findings extracted from the published report PDF. See the full report below for details and remediation.

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