Module ops 

Digital signatures over the BLS12-381 curve using G1 as the Public Key (48 bytes) and G2 as the Signature (96 bytes).

Domain Separation Tag (DST)

All signatures use the POP (Proof of Possession) scheme during signing. For Proof-of-Possession (POP) signatures, the domain separation tag is BLS_POP_BLS12381G2_XMD:SHA-256_SSWU_RO_POP_. For signatures over other messages, the domain separation tag is BLS_SIG_BLS12381G2_XMD:SHA-256_SSWU_RO_POP_. You can read more about DSTs here.

Functions

aggregate_public_keys

Aggregates multiple public keys.

aggregate_signatures

Aggregates multiple signatures.

aggregate_verify_multiple_messages

Verifies the aggregate signature over multiple unique messages from a single public key.

aggregate_verify_multiple_public_keys

Verifies the aggregate signature over a single message from multiple public keys.

compute_public

Computes the public key from the private key.

hash_message

Hashes the provided message with the domain separation tag (DST) to the curve.

hash_message_namespace

Hashes the provided message with the domain separation tag (DST) and namespace to the curve.

keypair

Returns a new keypair derived from the provided randomness.

msm_interpolate

Interpolate the value of some Point with precomputed Barycentric Weights and multi-scalar multiplication (MSM).

partial_aggregate_signatures

Aggregates multiple partial signatures into a single signature.

partial_sign_message

Signs the provided message with the key share.

partial_sign_proof_of_possession

Generates a proof of possession for the private key share.

partial_verify_message

Verifies the partial signature against the public polynomial.

partial_verify_multiple_messages

Verifies the signatures from multiple partial signatures over multiple unique messages from a single signer.

partial_verify_multiple_public_keys

Attempts to verify multiple PartialSignatures over the same message as a single aggregate signature (or returns any invalid signature found).

partial_verify_multiple_public_keys_precomputed

Attempts to verify multiple PartialSignatures over the same message as a single aggregate signature (or returns any invalid signature found).

partial_verify_proof_of_possession

Verifies the proof of possession for the provided public polynomial.

sign

Signs the provided message with the private key.

sign_message

Signs the provided message with the private key.

sign_proof_of_possession

Generates a proof of possession for the private key.

threshold_signature_recover

Recovers a signature from at least threshold partial signatures.

threshold_signature_recover_multiple

Recovers multiple signatures from multiple sets of at least threshold partial signatures.

threshold_signature_recover_pair

Recovers a pair of signatures from two sets of at least threshold partial signatures.

threshold_signature_recover_with_weights

Recovers a signature from threshold partial signatures.

verify

Verifies the signature with the provided public key.

verify_message

Verifies the signature with the provided public key.

verify_proof_of_possession

Verifies a proof of possession for the provided public key.