2. Leaf Step Explanations
3. 1. First Half - User Data
4. 1. 1.1. DG1 → LDS
   2. 1.2. LDS → SignedAttrs
   3. 1.3. SHA-digesting SignedAttrs
5. 2. Verifying Local Signature
6. 1. 2.1. secp256r1
   2. 2.2. RSA 2048
7. 3. Utilities
8. 1. 3.1. Multi-Circuit Digest
   2. 3.2. Elliptic-Curve Verification
   3. 3.3. RSA Verification
11. Glossary