2024-12-11 10:56:41 +01:00

29 lines
743 B
Nim

import pkg/blscurve
import pkg/nimcrypto
import ./hashing
export blscurve.Signature
export blscurve.sign
export blscurve.verify
type
Identity* = SecretKey
Identifier* = PublicKey
proc random*(_: type Identity, identity: var Identity) =
var randomness: array[32, byte]
var done = false
while not done:
doAssert randomBytes(randomness) == randomness.len
done = fromBytes(identity, randomness)
burnMem(randomness)
func identifier*(identity: Identity): Identifier =
doAssert publicFromSecret(result, identity)
func sign*(identity: Identity, hash: Hash): Signature =
identity.sign(hash.data)
func verify*(signature: Signature, identifier: Identifier, hash: Hash): bool =
identifier.verify(hash.toBytes(), signature)