Crate tbs

Threshold Blind Signatures

This library implements an ad-hoc threshold blind signature scheme based on BLS signatures using the (unrelated) BLS12-381 curve.

Macros

• point_hash_impl 🔒

Structs

• AggregatePublicKey
• BlindedMessage
• BlindedSignature
• BlindedSignatureShare
• BlindingKey
• Message
• PublicKeyShare
• SecretKeyShare
• Signature

Constants

• FINGERPRINT_TAG 🔒
• HASH_TAG 🔒

Functions

• aggregate_public_key_shares
• aggregate_signature_shares
  Combines the exact threshold of valid blinded signature shares to a blinded signature. The responsibility of verifying the shares and supplying exactly the necessary threshold of shares lies with the caller.
• blind_message
• hash_bytes_to_g1 🔒
• lagrange_multipliers 🔒
• sign_blinded_msg
• unblind_signature
• verify
• verify_blind_share
• verify_blinded_signature