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• [FILE] index.d.ts
• [FILE] index.js
• [FILE] index.js.map
• [FILE] keypair.d.ts
• [FILE] keypair.js
• [FILE] keypair.js.map
• [FILE] publickey.d.ts
• [FILE] publickey.js
• [FILE] publickey.js.map

Просмотр файла: publickey.js

import { fromBase64 } from "@iota/bcs";
import { secp256k1 } from "@noble/curves/secp256k1";
import { sha256 } from "@noble/hashes/sha256";
import { bytesEqual, PublicKey } from "../../cryptography/publickey.js";
import { SIGNATURE_SCHEME_TO_FLAG } from "../../cryptography/signature-scheme.js";
import { parseSerializedSignature } from "../../cryptography/signature.js";
const SECP256K1_PUBLIC_KEY_SIZE = 33;
class Secp256k1PublicKey extends PublicKey {
  /**
   * 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 IOTA address associated with this Secp256k1 public key
   */
  flag() {
    return SIGNATURE_SCHEME_TO_FLAG["Secp256k1"];
  }
  /**
   * Verifies that the signature is valid for the provided message
   */
  async verify(message, signature) {
    let bytes;
    if (typeof signature === "string") {
      const parsed = parseSerializedSignature(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(
      secp256k1.Signature.fromCompact(bytes),
      sha256(message),
      this.toRawBytes()
    );
  }
}
Secp256k1PublicKey.SIZE = SECP256K1_PUBLIC_KEY_SIZE;
export {
  Secp256k1PublicKey
};
//# sourceMappingURL=publickey.js.map

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