UNPKG

@mysten/sui

Version:
61 lines (59 loc) 2.02 kB
import { SIGNATURE_SCHEME_TO_FLAG } from "../../cryptography/signature-scheme.mjs"; import { PublicKey, bytesEqual, parseSerializedKeypairSignature } from "../../cryptography/publickey.mjs"; import { fromBase64 } from "@mysten/bcs"; import { secp256k1 } from "@noble/curves/secp256k1.js"; //#region src/keypairs/secp256k1/publickey.ts const SECP256K1_PUBLIC_KEY_SIZE = 33; /** * A Secp256k1 public key */ var Secp256k1PublicKey = class extends PublicKey { static { this.SIZE = SECP256K1_PUBLIC_KEY_SIZE; } /** * Create a new Secp256k1PublicKey object * @param value secp256k1 public key as buffer or base-64 encoded string */ constructor(value) { super(); if (typeof value === "string") this.data = fromBase64(value); else if (value instanceof Uint8Array) this.data = value; else this.data = Uint8Array.from(value); if (this.data.length !== SECP256K1_PUBLIC_KEY_SIZE) throw new Error(`Invalid public key input. Expected ${SECP256K1_PUBLIC_KEY_SIZE} bytes, got ${this.data.length}`); } /** * Checks if two Secp256k1 public keys are equal */ equals(publicKey) { return super.equals(publicKey); } /** * Return the byte array representation of the Secp256k1 public key */ toRawBytes() { return this.data; } /** * Return the Sui address associated with this Secp256k1 public key */ flag() { return SIGNATURE_SCHEME_TO_FLAG["Secp256k1"]; } /** * Verifies that the signature is valid for for the provided message */ async verify(message, signature) { let bytes; if (typeof signature === "string") { const parsed = parseSerializedKeypairSignature(signature); if (parsed.signatureScheme !== "Secp256k1") throw new Error("Invalid signature scheme"); if (!bytesEqual(this.toRawBytes(), parsed.publicKey)) throw new Error("Signature does not match public key"); bytes = parsed.signature; } else bytes = signature; return secp256k1.verify(bytes, message, this.toRawBytes()); } }; //#endregion export { Secp256k1PublicKey }; //# sourceMappingURL=publickey.mjs.map