2.0.0 • Public • Published

ripple-keypairs NPM Build Status Codecov

An implementation of XRP Ledger keypairs & wallet generation using elliptic which supports rfc6979 and eddsa deterministic signatures.


API Methods

generateSeed({entropy?: Array<integer>, algorithm?: string}) -> string

Generate a seed that can be used to generate keypairs. Entropy can be provided as an array of bytes expressed as integers in the range 0-255. If provided, it must be 16 bytes long (additional bytes are ignored). If not provided, entropy will be automatically generated. The "algorithm" defaults to "ecdsa-secp256k1", but can also be set to "ed25519". The result is a seed encoded in base58, starting with "s".

deriveKeypair(seed: string) -> {privateKey: string, publicKey: string}

Derive a public and private key from a seed. The keys are represented as 33-byte hexadecimal strings.

sign(messageHex: string, privateKey: string) -> string

Sign an arbitrary hex-encoded message with a private key. Returns the signature as a hexadecimal string.

verify(messageHex: string, signature: string, publicKey: string) -> boolean

Verify a signature for a given hex-encoded message and public key. Returns true if the signature is valid, false otherwise.

deriveAddress(publicKey: string) -> string

Derive an XRP Ledger classic address from a public key.

deriveNodeAddress(publicKey: string) -> string

Derive a node address from a public key.

Generate a random XRP Ledger address

const seed = generateSeed();
const keypair = deriveKeypair(seed);
const address = deriveAddress(keypair.publicKey);

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