@mysten/sui
Version:
Sui TypeScript API
61 lines (59 loc) • 1.95 kB
JavaScript
import { SIGNATURE_SCHEME_TO_FLAG } from "../../cryptography/signature-scheme.mjs";
import { PublicKey, bytesEqual, parseSerializedKeypairSignature } from "../../cryptography/publickey.mjs";
import { fromBase64 } from "@mysten/bcs";
import { ed25519 } from "@noble/curves/ed25519.js";
//#region src/keypairs/ed25519/publickey.ts
const PUBLIC_KEY_SIZE = 32;
/**
* An Ed25519 public key
*/
var Ed25519PublicKey = class extends PublicKey {
static {
this.SIZE = PUBLIC_KEY_SIZE;
}
/**
* Create a new Ed25519PublicKey object
* @param value ed25519 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 !== PUBLIC_KEY_SIZE) throw new Error(`Invalid public key input. Expected ${PUBLIC_KEY_SIZE} bytes, got ${this.data.length}`);
}
/**
* Checks if two Ed25519 public keys are equal
*/
equals(publicKey) {
return super.equals(publicKey);
}
/**
* Return the byte array representation of the Ed25519 public key
*/
toRawBytes() {
return this.data;
}
/**
* Return the Sui address associated with this Ed25519 public key
*/
flag() {
return SIGNATURE_SCHEME_TO_FLAG["ED25519"];
}
/**
* 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 !== "ED25519") 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 ed25519.verify(bytes, message, this.toRawBytes());
}
};
//#endregion
export { Ed25519PublicKey };
//# sourceMappingURL=publickey.mjs.map