Class KeyDerivationService

Namespace

NLightning.Bolts.BOLT3.Services

Assembly

NLightning.Bolts.dll

public class KeyDerivationService

Inheritance

object

KeyDerivationService

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

DerivePrivateKey(Key, PubKey)

Derives a private key using the formula: basepoint_secret + SHA256(per_commitment_point || basepoint)

public Key DerivePrivateKey(Key basepointSecret, PubKey perCommitmentPoint)

Parameters

basepointSecret Key

perCommitmentPoint PubKey

Returns

Key

DerivePublicKey(PubKey, PubKey)

Derives a public key using the formula: basepoint + SHA256(per_commitment_point || basepoint) * G

public PubKey DerivePublicKey(PubKey basepoint, PubKey perCommitmentPoint)

Parameters

basepoint PubKey

perCommitmentPoint PubKey

Returns

PubKey

DeriveRevocationPrivKey(Key, Key)

Derives the revocation private key when both secrets are known

public Key DeriveRevocationPrivKey(Key revocationBasepointSecret, Key perCommitmentSecret)

Parameters

revocationBasepointSecret Key

perCommitmentSecret Key

Returns

Key

DeriveRevocationPubKey(PubKey, PubKey)

Derives the revocation public key

public PubKey DeriveRevocationPubKey(PubKey revocationBasepoint, PubKey perCommitmentPoint)

Parameters

revocationBasepoint PubKey

perCommitmentPoint PubKey

Returns

PubKey

GeneratePerCommitmentSecret(byte[], ulong)

Generates per-commitment secret from seed and index

public static byte[] GeneratePerCommitmentSecret(byte[] seed, ulong index)

Parameters

seed byte[]

index ulong

Returns

byte[]