Individual skill
crypto-primitives
Implementation and secure usage of cryptographic primitives including ECDSA, BLS, Schnorr signatures, key derivation, secret sharing, and constant-time operations. Provides guidance for secure cryptographic implementations in blockchain applications.
library/specializations/cryptography-blockchain/skills/crypto-primitives/SKILL.md
Source commit feb68abe397acc14f32b34984975c48fedba2b33
What was checked
- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- No
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Not checked yet
- Last checked
- Nov 3, 2026
These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.
Install this skill
Choose an agent in your Stack or copy a command below. Commands fetch the pinned commit and copy only this skill directory. Existing destinations are refused. Copying a command does not install anything.
An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.
Repository context
- Repository stars (not skill ratings)
- 1,898
- Repository last updated
- Nov 1, 2026
- License
- MIT
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- agent-orchestration Repository topic
- agent-skills Repository topic
- agentic-ai Repository topic
- agentic-workflow Repository topic
- ai-automation Repository topic
- babysitter Repository topic
- claude-code Repository topic
- claude-skills Repository topic
- trustworthy-ai Repository topic
- vibe-coding Repository topic
- operations Derived category
Files and excerpt
File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.
Read excerpt
# Cryptographic Primitives Skill
Expert implementation and usage of cryptographic primitives for blockchain and security applications.
## Capabilities
- **Digital Signatures**: ECDSA, BLS, Schnorr signature implementation and verification
- **Key Derivation**: BIP-32/39/44 hierarchical deterministic key generation
- **Threshold Cryptography**: Shamir secret sharing, threshold signatures
- **Hash Functions**: Secure usage of Keccak, Poseidon, MiMC, Pedersen
- **Commitments**: Pedersen commitments, hash commitments
- **Secure Randomness**: CSPRNG usage, VRF integration
- **Constant-Time Operations**: Side-channel resistant implementations
