derive_public_key

circuits::test::utils::keypair

Function derive_public_key 

Source 
pub fn derive_public_key(private_key: FpBN256) -> FpBN256
Expand description

Derive a public key from a private key using Poseidon2 hash

Computes publicKey = Poseidon2(privateKey, 0) with domain separation value 3. Please note the 0 is used as padding as Poseidon2 hash does not support T=1 inputs (over BN256).

§Arguments

  • private_key - Private key scalar value

§Returns

Returns the derived public key as a scalar value.