Class: KeyPair ​

A keypair represents a private key and its respective public key. It is used for signing data, usually transactions.

Constructors ​

new KeyPair() ​

new KeyPair(private_key, public_key): KeyPair

Parameters ​

• private_key: PrivateKey

• public_key: PublicKey

Returns ​

KeyPair

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1264

Properties ​

privateKey ​

readonly privateKey: PrivateKey

Gets the keypair's private key.

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1294

publicKey ​

readonly publicKey: PublicKey

Gets the keypair's public key.

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1298

Methods ​

free() ​

free(): void

Returns ​

void

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1232

serialize() ​

serialize(): Uint8Array

Serializes the keypair to a byte array.

Returns ​

Uint8Array

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1269

sign() ​

sign(data): Signature

Signs arbitrary data, returns a signature object.

Parameters ​

• data: Uint8Array

Returns ​

Signature

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1275

signTransaction() ​

signTransaction(transaction): void

Signs a transaction and sets the signature proof on the transaction object.

Parameters ​

• transaction: Transaction

Returns ​

void

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1280

toAddress() ​

toAddress(): Address

Gets the keypair's address.

Returns ​

Address

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1285

toHex() ​

toHex(): string

Formats the keypair into a hex string.

Returns ​

string

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1290

derive() ​

static derive(private_key): KeyPair

Derives a keypair from an existing private key.

Parameters ​

• private_key: PrivateKey

Returns ​

KeyPair

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1243

fromHex() ​

static fromHex(hex): KeyPair

Parses a keypair from its hex representation.

Throws when the string is not valid hex format or when it represents less than 64 bytes.

Parameters ​

• hex: string

Returns ​

KeyPair

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1251

generate() ​

static generate(): KeyPair

Generates a new keypair from secure randomness.

Returns ​

KeyPair

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1237

unserialize() ​

static unserialize(bytes): KeyPair

Deserializes a keypair from a byte array.

Throws when the byte array contains less than 64 bytes.

Parameters ​

• bytes: Uint8Array

Returns ​

KeyPair

Defined in ​

@nimiq/core/types/wasm/web.d.ts:1259