@tevm/voltaire / crypto/Bls12381 / Pairing
Pairing
Functions
batchVerify()
batchVerify(Defined in: src/crypto/Bls12381/Pairing/index.js:136 Batch verify multiple BLS signatures on different messagesitems):boolean
Parameters
items
object[]
Array of signature verification items
Returns
boolean
True if all signatures are valid
Throws
pair()
pair(Defined in: src/crypto/Bls12381/Pairing/index.js:69 Compute single pairing e(P, Q)p,q):never
Parameters
p
Bls12381G1PointType
G1 point
q
Bls12381G2PointType
G2 point
Returns
never
Throws - not implemented in pure JS
Throws
pairingCheck()
pairingCheck(Defined in: src/crypto/Bls12381/Pairing/index.js:32 Pairing check: verify that product of pairings equals identity e(P1, Q1) * e(P2, Q2) * … * e(Pn, Qn) = 1 This is the core operation used in BLS signature verification.pairs):boolean
Parameters
pairs
[Bls12381G1PointType, Bls12381G2PointType][]
Array of (G1, G2) point pairs
Returns
boolean
True if pairing product equals identity
Throws
If any point is invalidverifyAggregateSignature()
verifyAggregateSignature(Defined in: src/crypto/Bls12381/Pairing/index.js:117 Verify aggregate BLS signature (same message) All signers signed the same message.aggregatedSignature,aggregatedPublicKey,messagePoint):boolean
Parameters
aggregatedSignature
Bls12381G1PointType
Aggregated signature (G1 point)
aggregatedPublicKey
Bls12381G2PointType
Aggregated public key (G2 point)
messagePoint
Bls12381G1PointType
Hashed message (G1 point)
Returns
boolean
True if aggregate signature is valid
Throws
verifySignature()
verifySignature(Defined in: src/crypto/Bls12381/Pairing/index.js:97 Verify BLS signature using pairing check Verifies: e(signature, G2_generator) = e(H(message), publicKey) Equivalent to: e(signature, G2_gen) * e(-H(msg), pubKey) = 1signature,publicKey,messagePoint):boolean
Parameters
signature
Bls12381G1PointType
Signature (G1 point)
publicKey
Bls12381G2PointType
Public key (G2 point)
messagePoint
Bls12381G1PointType
Hashed message (G1 point)
Returns
boolean
True if signature is valid