@gaonengwww/jose/dist/webapi/lib/subtle_dsa.cjs

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/lib/subtle_dsa.ts
var subtle_dsa_exports = {};
__export(subtle_dsa_exports, {
  default: () => subtle_dsa_default
});
module.exports = __toCommonJS(subtle_dsa_exports);

// src/util/errors.ts
var JOSEError = class extends Error {
  /**
   * A unique error code for the particular error subclass.
   *
   * @ignore
   */
  static code = "ERR_JOSE_GENERIC";
  /** A unique error code for {@link JOSEError}. */
  code = "ERR_JOSE_GENERIC";
  /** @ignore */
  constructor(message, options) {
    super(message, options);
    this.name = this.constructor.name;
    Error.captureStackTrace?.(this, this.constructor);
  }
};
var JOSENotSupported = class extends JOSEError {
  /** @ignore */
  static code = "ERR_JOSE_NOT_SUPPORTED";
  /** A unique error code for {@link JOSENotSupported}. */
  code = "ERR_JOSE_NOT_SUPPORTED";
};

// src/lib/subtle_dsa.ts
var subtle_dsa_default = (alg, algorithm) => {
  const hash = `SHA-${alg.slice(-3)}`;
  switch (alg) {
    case "HS256":
    case "HS384":
    case "HS512":
      return { hash, name: "HMAC" };
    case "PS256":
    case "PS384":
    case "PS512":
      return { hash, name: "RSA-PSS", saltLength: parseInt(alg.slice(-3), 10) >> 3 };
    case "RS256":
    case "RS384":
    case "RS512":
      return { hash, name: "RSASSA-PKCS1-v1_5" };
    case "ES256":
    case "ES384":
    case "ES512":
      return { hash, name: "ECDSA", namedCurve: algorithm.namedCurve };
    case "Ed25519":
    // Fall through
    case "EdDSA":
      return { name: "Ed25519" };
    default:
      throw new JOSENotSupported(
        `alg ${alg} is not supported either by JOSE or your javascript runtime`
      );
  }
};