openpgp/dist/openpgp.min.mjs.map

OpenPGP.js is a Javascript implementation of the OpenPGP protocol. This is defined in RFC 4880.

{"version":3,"file":"openpgp.min.mjs","sources":["../node_modules/@openpgp/web-stream-tools/lib/writer.js","../node_modules/@openpgp/web-stream-tools/lib/util.js","../node_modules/@openpgp/web-stream-tools/lib/reader.js","../node_modules/@openpgp/web-stream-tools/lib/streams.js","../src/enums.js","../src/config/config.js","../src/util.js","../src/encoding/base64.js","../src/encoding/armor.js","../../../src/crypto/biginteger.ts","../src/crypto/random.js","../../../src/crypto/public_key/prime.ts","../src/crypto/hash/index.js","../src/crypto/pkcs1.js","../src/crypto/public_key/rsa.js","../src/crypto/public_key/elgamal.js","../node_modules/@openpgp/tweetnacl/cryptoBrowser.js","../node_modules/@openpgp/tweetnacl/nacl-fast.js","../src/type/oid.js","../src/packet/packet.js","../src/crypto/public_key/elliptic/eddsa.js","../node_modules/@noble/ciphers/esm/_assert.js","../node_modules/@noble/ciphers/esm/utils.js","../node_modules/@noble/ciphers/esm/_polyval.js","../node_modules/@noble/ciphers/esm/aes.js","../src/crypto/cipher/index.js","../src/crypto/aes_kw.js","../src/crypto/hkdf.js","../src/crypto/public_key/elliptic/ecdh_x.js","../src/crypto/public_key/elliptic/oid_curves.js","../src/crypto/public_key/elliptic/ecdsa.js","../src/crypto/public_key/elliptic/eddsa_legacy.js","../src/crypto/pkcs5.js","../src/crypto/public_key/elliptic/ecdh.js","../src/crypto/public_key/dsa.js","../src/type/ecdh_symkey.js","../src/type/kdf_params.js","../src/type/ecdh_x_symkey.js","../src/crypto/crypto.js","../src/crypto/cipherMode/cfb.js","../src/crypto/cmac.js","../src/crypto/cipherMode/eax.js","../src/crypto/cipherMode/ocb.js","../src/crypto/cipherMode/gcm.js","../src/crypto/cipherMode/index.js","../src/crypto/signature.js","../src/type/s2k/argon2.js","../src/type/s2k/generic.js","../src/type/s2k/index.js","../node_modules/fflate/esm/browser.js","../src/packet/literal_data.js","../src/type/keyid.js","../src/packet/signature.js","../src/packet/one_pass_signature.js","../src/packet/packetlist.js","../src/packet/compressed_data.js","../src/packet/sym_encrypted_integrity_protected_data.js","../src/packet/aead_encrypted_data.js","../src/packet/public_key_encrypted_session_key.js","../src/packet/sym_encrypted_session_key.js","../src/packet/public_key.js","../src/packet/symmetrically_encrypted_data.js","../src/packet/marker.js","../src/packet/public_subkey.js","../src/packet/user_attribute.js","../src/packet/secret_key.js","../src/packet/userid.js","../src/packet/secret_subkey.js","../src/packet/trust.js","../src/packet/padding.js","../src/signature.js","../src/key/helper.js","../src/key/user.js","../src/key/subkey.js","../src/key/key.js","../src/key/public_key.js","../src/key/private_key.js","../src/key/factory.js","../src/message.js","../src/cleartext.js","../src/openpgp.js","../node_modules/@noble/hashes/esm/_assert.js","../node_modules/@noble/hashes/esm/crypto.js","../node_modules/@noble/hashes/esm/utils.js","../node_modules/@noble/hashes/esm/_md.js","../node_modules/@noble/hashes/esm/sha256.js","../node_modules/@noble/hashes/esm/hmac.js","../node_modules/@noble/curves/esm/abstract/utils.js","../node_modules/@noble/curves/esm/abstract/modular.js","../node_modules/@noble/curves/esm/abstract/curve.js","../node_modules/@noble/curves/esm/abstract/weierstrass.js","../node_modules/@noble/curves/esm/_shortw_utils.js","../node_modules/@noble/curves/esm/p256.js","../node_modules/@noble/hashes/esm/_u64.js","../node_modules/@noble/hashes/esm/sha512.js","../node_modules/@noble/curves/esm/p384.js","../node_modules/@noble/curves/esm/p521.js","../node_modules/@noble/hashes/esm/sha3.js","../node_modules/@noble/curves/esm/abstract/edwards.js","../node_modules/@noble/curves/esm/abstract/montgomery.js","../node_modules/@noble/curves/esm/ed448.js","../node_modules/@noble/curves/esm/secp256k1.js","../../../src/crypto/public_key/elliptic/brainpool/brainpoolP256r1.ts","../../../src/crypto/public_key/elliptic/brainpool/brainpoolP384r1.ts","../../../src/crypto/public_key/elliptic/brainpool/brainpoolP512r1.ts","../src/crypto/public_key/elliptic/noble_curves.js","../node_modules/@noble/hashes/esm/sha1.js","../node_modules/@noble/hashes/esm/ripemd160.js","../../../src/crypto/hash/md5.ts","../src/crypto/hash/noble_hashes.js","../src/crypto/cipher/des.js","../src/crypto/cipher/cast5.js","../src/crypto/cipher/twofish.js","../src/crypto/cipher/blowfish.js","../src/crypto/cipher/legacy_ciphers.js","../node_modules/argon2id/lib/blake2b.js","../node_modules/argon2id/lib/argon2id.js","../node_modules/argon2id/lib/setup.js","../node_modules/argon2id/index.js","../node_modules/@openpgp/seek-bzip/lib/bitreader.js","../node_modules/@openpgp/seek-bzip/lib/stream.js","../node_modules/@openpgp/seek-bzip/lib/crc32.js","../node_modules/@openpgp/seek-bzip/lib/index.js"],"sourcesContent":["const doneWritingPromise = Symbol('doneWritingPromise');\nconst doneWritingResolve = Symbol('doneWritingResolve');\nconst doneWritingReject = Symbol('doneWritingReject');\n\nconst readingIndex = Symbol('readingIndex');\n\nclass ArrayStream extends Array {\n  constructor() {\n    super();\n    // ES5 patch, see https://github.com/Microsoft/TypeScript/wiki/FAQ#why-doesnt-extending-built-ins-like-error-array-and-map-work\n    Object.setPrototypeOf(this, ArrayStream.prototype);\n\n    this[doneWritingPromise] = new Promise((resolve, reject) => {\n      this[doneWritingResolve] = resolve;\n      this[doneWritingReject] = reject;\n    });\n    this[doneWritingPromise].catch(() => {});\n  }\n}\n\nArrayStream.prototype.getReader = function() {\n  if (this[readingIndex] === undefined) {\n    this[readingIndex] = 0;\n  }\n  return {\n    read: async () => {\n      await this[doneWritingPromise];\n      if (this[readingIndex] === this.length) {\n        return { value: undefined, done: true };\n      }\n      return { value: this[this[readingIndex]++], done: false };\n    }\n  };\n};\n\nArrayStream.prototype.readToEnd = async function(join) {\n  await this[doneWritingPromise];\n  const result = join(this.slice(this[readingIndex]));\n  this.length = 0;\n  return result;\n};\n\nArrayStream.prototype.clone = function() {\n  const clone = new ArrayStream();\n  clone[doneWritingPromise] = this[doneWritingPromise].then(() => {\n    clone.push(...this);\n  });\n  return clone;\n};\n\n/**\n * Check whether data is an ArrayStream\n * @param {Any} input  data to check\n * @returns {boolean}\n */\nfunction isArrayStream(input) {\n  return input && input.getReader && Array.isArray(input);\n}\n\n/**\n * A wrapper class over the native WritableStreamDefaultWriter.\n * It also lets you \"write data to\" array streams instead of streams.\n * @class\n */\nfunction Writer(input) {\n  if (!isArrayStream(input)) {\n    const writer = input.getWriter();\n    const releaseLock = writer.releaseLock;\n    writer.releaseLock = () => {\n      writer.closed.catch(function() {});\n      releaseLock.call(writer);\n    };\n    return writer;\n  }\n  this.stream = input;\n}\n\n/**\n * Write a chunk of data.\n * @returns {Promise<undefined>}\n * @async\n */\nWriter.prototype.write = async function(chunk) {\n  this.stream.push(chunk);\n};\n\n/**\n * Close the stream.\n * @returns {Promise<undefined>}\n * @async\n */\nWriter.prototype.close = async function() {\n  this.stream[doneWritingResolve]();\n};\n\n/**\n * Error the stream.\n * @returns {Promise<Object>}\n * @async\n */\nWriter.prototype.abort = async function(reason) {\n  this.stream[doneWritingReject](reason);\n  return reason;\n};\n\n/**\n * Release the writer's lock.\n * @returns {undefined}\n * @async\n */\nWriter.prototype.releaseLock = function() {};\n\nexport { ArrayStream, isArrayStream, Writer, doneWritingPromise };\n","/* eslint-disable no-prototype-builtins */\nimport { isArrayStream } from './writer.js';\nconst isNode = typeof globalThis.process === 'object' &&\n  typeof globalThis.process.versions === 'object';\n\n/**\n * Check whether data is a Stream, and if so of which type\n * @param {Any} input  data to check\n * @returns {'web'|'node'|'array'|'web-like'|false}\n */\nfunction isStream(input) {\n  if (isArrayStream(input)) {\n    return 'array';\n  }\n  if (globalThis.ReadableStream && globalThis.ReadableStream.prototype.isPrototypeOf(input)) {\n    return 'web';\n  }\n  // try and detect a node native stream without having to import its class\n  if (input &&\n    !(globalThis.ReadableStream && input instanceof globalThis.ReadableStream) &&\n    typeof input._read === 'function' && typeof input._readableState === 'object') {\n    throw new Error('Native Node streams are no longer supported: please manually convert the stream to a WebStream, using e.g. `stream.Readable.toWeb`');\n  }\n  if (input && input.getReader) {\n    return 'web-like';\n  }\n  return false;\n}\n\n/**\n * Check whether data is a Uint8Array\n * @param {Any} input  data to check\n * @returns {Boolean}\n */\nfunction isUint8Array(input) {\n  return Uint8Array.prototype.isPrototypeOf(input);\n}\n\n/**\n * Concat Uint8Arrays\n * @param {Array<Uint8array>} Array of Uint8Arrays to concatenate\n * @returns {Uint8array} Concatenated array\n */\nfunction concatUint8Array(arrays) {\n  if (arrays.length === 1) return arrays[0];\n\n  let totalLength = 0;\n  for (let i = 0; i < arrays.length; i++) {\n    if (!isUint8Array(arrays[i])) {\n      throw new Error('concatUint8Array: Data must be in the form of a Uint8Array');\n    }\n\n    totalLength += arrays[i].length;\n  }\n\n  const result = new Uint8Array(totalLength);\n  let pos = 0;\n  arrays.forEach(function (element) {\n    result.set(element, pos);\n    pos += element.length;\n  });\n\n  return result;\n}\n\nexport { isNode, isStream, isArrayStream, isUint8Array, concatUint8Array };\n","import { isUint8Array, isStream, isArrayStream } from './util.js';\nimport * as streams from './streams.js';\n\nconst doneReadingSet = new WeakSet();\n/**\n * The external buffer is used to store values that have been peeked or unshifted from the original stream.\n * Because of how streams are implemented, such values cannot be \"put back\" in the original stream,\n * but they need to be returned first when reading from the input again.\n */\nconst externalBuffer = Symbol('externalBuffer');\n\n/**\n * A wrapper class over the native ReadableStreamDefaultReader.\n * This additionally implements pushing back data on the stream, which\n * lets us implement peeking and a host of convenience functions.\n * It also lets you read data other than streams, such as a Uint8Array.\n * @class\n */\nfunction Reader(input) {\n  this.stream = input;\n  if (input[externalBuffer]) {\n    this[externalBuffer] = input[externalBuffer].slice();\n  }\n  if (isArrayStream(input)) {\n    const reader = input.getReader();\n    this._read = reader.read.bind(reader);\n    this._releaseLock = () => {};\n    this._cancel = () => {};\n    return;\n  }\n  let streamType = isStream(input);\n  if (streamType) {\n    const reader = input.getReader();\n    this._read = reader.read.bind(reader);\n    this._releaseLock = () => {\n      reader.closed.catch(function() {});\n      reader.releaseLock();\n    };\n    this._cancel = reader.cancel.bind(reader);\n    return;\n  }\n  let doneReading = false;\n  this._read = async () => {\n    if (doneReading || doneReadingSet.has(input)) {\n      return { value: undefined, done: true };\n    }\n    doneReading = true;\n    return { value: input, done: false };\n  };\n  this._releaseLock = () => {\n    if (doneReading) {\n      try {\n        doneReadingSet.add(input);\n      } catch(e) {}\n    }\n  };\n}\n\n/**\n * Read a chunk of data.\n * @returns {Promise<Object>} Either { done: false, value: Uint8Array | String } or { done: true, value: undefined }\n * @async\n */\nReader.prototype.read = async function() {\n  if (this[externalBuffer] && this[externalBuffer].length) {\n    const value = this[externalBuffer].shift();\n    return { done: false, value };\n  }\n  return this._read();\n};\n\n/**\n * Allow others to read the stream.\n */\nReader.prototype.releaseLock = function() {\n  if (this[externalBuffer]) {\n    this.stream[externalBuffer] = this[externalBuffer];\n  }\n  this._releaseLock();\n};\n\n/**\n * Cancel the stream.\n */\nReader.prototype.cancel = function(reason) {\n  return this._cancel(reason);\n};\n\n/**\n * Read up to and including the first \\n character.\n * @returns {Promise<String|Undefined>}\n * @async\n */\nReader.prototype.readLine = async function() {\n  let buffer = [];\n  let returnVal;\n  while (!returnVal) {\n    let { done, value } = await this.read();\n    value += '';\n    if (done) {\n      if (buffer.length) return streams.concat(buffer);\n      return;\n    }\n    const lineEndIndex = value.indexOf('\\n') + 1;\n    if (lineEndIndex) {\n      returnVal = streams.concat(buffer.concat(value.substr(0, lineEndIndex)));\n      buffer = [];\n    }\n    if (lineEndIndex !== value.length) {\n      buffer.push(value.substr(lineEndIndex));\n    }\n  }\n  this.unshift(...buffer);\n  return returnVal;\n};\n\n/**\n * Read a single byte/character.\n * @returns {Promise<Number|String|Undefined>}\n * @async\n */\nReader.prototype.readByte = async function() {\n  const { done, value } = await this.read();\n  if (done) return;\n  const byte = value[0];\n  this.unshift(streams.slice(value, 1));\n  return byte;\n};\n\n/**\n * Read a specific amount of bytes/characters, unless the stream ends before that amount.\n * @returns {Promise<Uint8Array|String|Undefined>}\n * @async\n */\nReader.prototype.readBytes = async function(length) {\n  const buffer = [];\n  let bufferLength = 0;\n  // eslint-disable-next-line no-constant-condition\n  while (true) {\n    const { done, value } = await this.read();\n    if (done) {\n      if (buffer.length) return streams.concat(buffer);\n      return;\n    }\n    buffer.push(value);\n    bufferLength += value.length;\n    if (bufferLength >= length) {\n      const bufferConcat = streams.concat(buffer);\n      this.unshift(streams.slice(bufferConcat, length));\n      return streams.slice(bufferConcat, 0, length);\n    }\n  }\n};\n\n/**\n * Peek (look ahead) a specific amount of bytes/characters, unless the stream ends before that amount.\n * @returns {Promise<Uint8Array|String|Undefined>}\n * @async\n */\nReader.prototype.peekBytes = async function(length) {\n  const bytes = await this.readBytes(length);\n  this.unshift(bytes);\n  return bytes;\n};\n\n/**\n * Push data to the front of the stream.\n * Data must have been read in the last call to read*.\n * @param {...(Uint8Array|String|Undefined)} values\n */\nReader.prototype.unshift = function(...values) {\n  if (!this[externalBuffer]) {\n    this[externalBuffer] = [];\n  }\n  if (\n    values.length === 1 && isUint8Array(values[0]) &&\n    this[externalBuffer].length && values[0].length &&\n    this[externalBuffer][0].byteOffset >= values[0].length\n  ) {\n    this[externalBuffer][0] = new Uint8Array(\n      this[externalBuffer][0].buffer,\n      this[externalBuffer][0].byteOffset - values[0].length,\n      this[externalBuffer][0].byteLength + values[0].length\n    );\n    return;\n  }\n  this[externalBuffer].unshift(...values.filter(value => value && value.length));\n};\n\n/**\n * Read the stream to the end and return its contents, concatenated by the join function (defaults to streams.concat).\n * @param {Function} join\n * @returns {Promise<Uint8array|String|Any>} the return value of join()\n * @async\n */\nReader.prototype.readToEnd = async function(join=streams.concat) {\n  const result = [];\n  // eslint-disable-next-line no-constant-condition\n  while (true) {\n    const { done, value } = await this.read();\n    if (done) break;\n    result.push(value);\n  }\n  return join(result);\n};\n\nexport { Reader, externalBuffer };\n","import { isStream, isArrayStream, isUint8Array, concatUint8Array } from './util.js';\nimport { Reader, externalBuffer } from './reader.js';\nimport { ArrayStream, Writer } from './writer.js';\n\n/**\n * Convert data to Stream\n * @param {ReadableStream|Uint8array|String} input  data to convert\n * @returns {ReadableStream} Converted data\n */\nfunction toStream(input) {\n  let streamType = isStream(input);\n  if (streamType) {\n    return input;\n  }\n  return new ReadableStream({\n    start(controller) {\n      controller.enqueue(input);\n      controller.close();\n    }\n  });\n}\n\n/**\n * Convert non-streamed data to ArrayStream; this is a noop if `input` is already a stream.\n * @param {Object} input  data to convert\n * @returns {ArrayStream} Converted data\n */\nfunction toArrayStream(input) {\n  if (isStream(input)) {\n    return input;\n  }\n  const stream = new ArrayStream();\n  (async () => {\n    const writer = getWriter(stream);\n    await writer.write(input);\n    await writer.close();\n  })();\n  return stream;\n}\n\n/**\n * Concat a list of Uint8Arrays, Strings or Streams\n * The caller should not mix Uint8Arrays with Strings, but may mix Streams with non-Streams.\n * @param {Array<Uint8array|String|ReadableStream>} Array of Uint8Arrays/Strings/Streams to concatenate\n * @returns {Uint8array|String|ReadableStream} Concatenated array\n */\nfunction concat(list) {\n  if (list.some(stream => isStream(stream) && !isArrayStream(stream))) {\n    return concatStream(list);\n  }\n  if (list.some(stream => isArrayStream(stream))) {\n    return concatArrayStream(list);\n  }\n  if (typeof list[0] === 'string') {\n    return list.join('');\n  }\n  return concatUint8Array(list);\n}\n\n/**\n * Concat a list of Streams\n * @param {Array<ReadableStream|Uint8array|String>} list  Array of Uint8Arrays/Strings/Streams to concatenate\n * @returns {ReadableStream} Concatenated list\n */\nfunction concatStream(list) {\n  list = list.map(toStream);\n  const transform = transformWithCancel(async function(reason) {\n    await Promise.all(transforms.map(stream => cancel(stream, reason)));\n  });\n  let prev = Promise.resolve();\n  const transforms = list.map((stream, i) => transformPair(stream, (readable, writable) => {\n    prev = prev.then(() => pipe(readable, transform.writable, {\n      preventClose: i !== list.length - 1\n    }));\n    return prev;\n  }));\n  return transform.readable;\n}\n\n/**\n * Concat a list of ArrayStreams\n * @param {Array<ArrayStream|Uint8array|String>} list  Array of Uint8Arrays/Strings/ArrayStreams to concatenate\n * @returns {ArrayStream} Concatenated streams\n */\nfunction concatArrayStream(list) {\n  const result = new ArrayStream();\n  let prev = Promise.resolve();\n  list.forEach((stream, i) => {\n    prev = prev.then(() => pipe(stream, result, {\n      preventClose: i !== list.length - 1\n    }));\n    return prev;\n  });\n  return result;\n}\n\n/**\n * Pipe a readable stream to a writable stream. Don't throw on input stream errors, but forward them to the output stream.\n * @param {ReadableStream|Uint8array|String} input\n * @param {WritableStream} target\n * @param {Object} (optional) options\n * @returns {Promise<undefined>} Promise indicating when piping has finished (input stream closed or errored)\n * @async\n */\nasync function pipe(input, target, {\n  preventClose = false,\n  preventAbort = false,\n  preventCancel = false\n} = {}) {\n  if (isStream(input) && !isArrayStream(input)) {\n    input = toStream(input);\n    try {\n      if (input[externalBuffer]) {\n        const writer = getWriter(target);\n        for (let i = 0; i < input[externalBuffer].length; i++) {\n          await writer.ready;\n          await writer.write(input[externalBuffer][i]);\n        }\n        writer.releaseLock();\n      }\n      await input.pipeTo(target, {\n        preventClose,\n        preventAbort,\n        preventCancel\n      });\n    } catch(e) {}\n    return;\n  }\n  input = toArrayStream(input);\n  const reader = getReader(input);\n  const writer = getWriter(target);\n  try {\n    // eslint-disable-next-line no-constant-condition\n    while (true) {\n      await writer.ready;\n      const { done, value } = await reader.read();\n      if (done) {\n        if (!preventClose) await writer.close();\n        break;\n      }\n      await writer.write(value);\n    }\n  } catch (e) {\n    if (!preventAbort) await writer.abort(e);\n  } finally {\n    reader.releaseLock();\n    writer.releaseLock();\n  }\n}\n\n/**\n * Pipe a readable stream through a transform stream.\n * @param {ReadableStream|Uint8array|String} input\n * @param {Object} (optional) options\n * @returns {ReadableStream} transformed stream\n */\nfunction transformRaw(input, options) {\n  const transformStream = new TransformStream(options);\n  pipe(input, transformStream.writable);\n  return transformStream.readable;\n}\n\n/**\n * Create a cancelable TransformStream.\n * @param {Function} cancel\n * @returns {TransformStream}\n */\nfunction transformWithCancel(customCancel) {\n  let pulled = false;\n  let cancelled = false;\n  let backpressureChangePromiseResolve, backpressureChangePromiseReject;\n  let outputController;\n  return {\n    readable: new ReadableStream({\n      start(controller) {\n        outputController = controller;\n      },\n      pull() {\n        if (backpressureChangePromiseResolve) {\n          backpressureChangePromiseResolve();\n        } else {\n          pulled = true;\n        }\n      },\n      async cancel(reason) {\n        cancelled = true;\n        if (customCancel) {\n          await customCancel(reason);\n        }\n        if (backpressureChangePromiseReject) {\n          backpressureChangePromiseReject(reason);\n        }\n      }\n    }, {highWaterMark: 0}),\n    writable: new WritableStream({\n      write: async function(chunk) {\n        if (cancelled) {\n          throw new Error('Stream is cancelled');\n        }\n        outputController.enqueue(chunk);\n        if (!pulled) {\n          await new Promise((resolve, reject) => {\n            backpressureChangePromiseResolve = resolve;\n            backpressureChangePromiseReject = reject;\n          });\n          backpressureChangePromiseResolve = null;\n          backpressureChangePromiseReject = null;\n        } else {\n          pulled = false;\n        }\n      },\n      close: outputController.close.bind(outputController),\n      abort: outputController.error.bind(outputController)\n    })\n  };\n}\n\n/**\n * Transform a stream using helper functions which are called on each chunk, and on stream close, respectively.\n * @param {ReadableStream|Uint8array|String} input\n * @param {Function} process\n * @param {Function} finish\n * @returns {ReadableStream|Uint8array|String}\n */\nfunction transform(input, process = () => undefined, finish = () => undefined) {\n  if (isArrayStream(input)) {\n    const output = new ArrayStream();\n    (async () => {\n      const writer = getWriter(output);\n      try {\n        const data = await readToEnd(input);\n        const result1 = process(data);\n        const result2 = finish();\n        let result;\n        if (result1 !== undefined && result2 !== undefined) result = concat([result1, result2]);\n        else result = result1 !== undefined ? result1 : result2;\n        await writer.write(result);\n        await writer.close();\n      } catch (e) {\n        await writer.abort(e);\n      }\n    })();\n    return output;\n  }\n  if (isStream(input)) {\n    return transformRaw(input, {\n      async transform(value, controller) {\n        try {\n          const result = await process(value);\n          if (result !== undefined) controller.enqueue(result);\n        } catch(e) {\n          controller.error(e);\n        }\n      },\n      async flush(controller) {\n        try {\n          const result = await finish();\n          if (result !== undefined) controller.enqueue(result);\n        } catch(e) {\n          controller.error(e);\n        }\n      }\n    });\n  }\n  const result1 = process(input);\n  const result2 = finish();\n  if (result1 !== undefined && result2 !== undefined) return concat([result1, result2]);\n  return result1 !== undefined ? result1 : result2;\n}\n\n/**\n * Transform a stream using a helper function which is passed a readable and a writable stream.\n *   This function also maintains the possibility to cancel the input stream,\n *   and does so on cancelation of the output stream, despite cancelation\n *   normally being impossible when the input stream is being read from.\n * @param {ReadableStream|Uint8array|String} input\n * @param {Function} fn\n * @returns {ReadableStream}\n */\nfunction transformPair(input, fn) {\n  if (isStream(input) && !isArrayStream(input)) {\n    let incomingTransformController;\n    const incoming = new TransformStream({\n      start(controller) {\n        incomingTransformController = controller;\n      }\n    });\n\n    const pipeDonePromise = pipe(input, incoming.writable);\n\n    const outgoing = transformWithCancel(async function(reason) {\n      incomingTransformController.error(reason);\n      await pipeDonePromise;\n      await new Promise(setTimeout);\n    });\n    fn(incoming.readable, outgoing.writable);\n    return outgoing.readable;\n  }\n  input = toArrayStream(input);\n  const output = new ArrayStream();\n  fn(input, output);\n  return output;\n}\n\n/**\n * Parse a stream using a helper function which is passed a Reader.\n *   The reader additionally has a remainder() method which returns a\n *   stream pointing to the remainder of input, and is linked to input\n *   for cancelation.\n * @param {ReadableStream|Uint8array|String} input\n * @param {Function} fn\n * @returns {Any} the return value of fn()\n */\nfunction parse(input, fn) {\n  let returnValue;\n  const transformed = transformPair(input, (readable, writable) => {\n    const reader = getReader(readable);\n    reader.remainder = () => {\n      reader.releaseLock();\n      pipe(readable, writable);\n      return transformed;\n    };\n    returnValue = fn(reader);\n  });\n  return returnValue;\n}\n\n/**\n * Tee a Stream for reading it twice. The input stream can no longer be read after tee()ing.\n *   Reading either of the two returned streams will pull from the input stream.\n *   The input stream will only be canceled if both of the returned streams are canceled.\n * @param {ReadableStream|Uint8array|String} input\n * @returns {Array<ReadableStream|Uint8array|String>} array containing two copies of input\n */\nfunction tee(input) {\n  if (isArrayStream(input)) {\n    throw new Error('ArrayStream cannot be tee()d, use clone() instead');\n  }\n  if (isStream(input)) {\n    const teed = toStream(input).tee();\n    teed[0][externalBuffer] = teed[1][externalBuffer] = input[externalBuffer];\n    return teed;\n  }\n  return [slice(input), slice(input)];\n}\n\n/**\n * Clone a Stream for reading it twice. The input stream can still be read after clone()ing.\n *   Reading from the clone will pull from the input stream.\n *   The input stream will only be canceled if both the clone and the input stream are canceled.\n * @param {ReadableStream|Uint8array|String} input\n * @returns {ReadableStream|Uint8array|String} cloned input\n */\nfunction clone(input) {\n  if (isArrayStream(input)) {\n    return input.clone();\n  }\n  if (isStream(input)) {\n    const teed = tee(input);\n    overwrite(input, teed[0]);\n    return teed[1];\n  }\n  return slice(input);\n}\n\n/**\n * Clone a Stream for reading it twice. Data will arrive at the same rate as the input stream is being read.\n *   Reading from the clone will NOT pull from the input stream. Data only arrives when reading the input stream.\n *   The input stream will NOT be canceled if the clone is canceled, only if the input stream are canceled.\n *   If the input stream is canceled, the clone will be errored.\n * @param {ReadableStream|Uint8array|String} input\n * @returns {ReadableStream|Uint8array|String} cloned input\n */\nfunction passiveClone(input) {\n  if (isArrayStream(input)) {\n    return clone(input);\n  }\n  if (isStream(input)) {\n    return new ReadableStream({\n      start(controller) {\n        const transformed = transformPair(input, async (readable, writable) => {\n          const reader = getReader(readable);\n          const writer = getWriter(writable);\n          try {\n            // eslint-disable-next-line no-constant-condition\n            while (true) {\n              await writer.ready;\n              const { done, value } = await reader.read();\n              if (done) {\n                try { controller.close(); } catch(e) {}\n                await writer.close();\n                return;\n              }\n              try { controller.enqueue(value); } catch(e) {}\n              await writer.write(value);\n            }\n          } catch(e) {\n            controller.error(e);\n            await writer.abort(e);\n          }\n        });\n        overwrite(input, transformed);\n      }\n    });\n  }\n  return slice(input);\n}\n\n/**\n * Modify a stream object to point to a different stream object.\n *   This is used internally by clone() and passiveClone() to provide an abstraction over tee().\n * @param {ReadableStream} input\n * @param {ReadableStream} clone\n */\nfunction overwrite(input, clone) {\n  // Overwrite input.getReader, input.locked, etc to point to clone\n  Object.entries(Object.getOwnPropertyDescriptors(input.constructor.prototype)).forEach(([name, descriptor]) => {\n    if (name === 'constructor') {\n      return;\n    }\n    if (descriptor.value) {\n      descriptor.value = descriptor.value.bind(clone);\n    } else {\n      descriptor.get = descriptor.get.bind(clone);\n    }\n    Object.defineProperty(input, name, descriptor);\n  });\n}\n\n/**\n * Return a stream pointing to a part of the input stream.\n * @param {ReadableStream|Uint8array|String} input\n * @returns {ReadableStream|Uint8array|String} clone\n */\nfunction slice(input, begin=0, end=Infinity) {\n  if (isArrayStream(input)) {\n    throw new Error('Not implemented');\n  }\n  if (isStream(input)) {\n    if (begin >= 0 && end >= 0) {\n      let bytesRead = 0;\n      return transformRaw(input, {\n        transform(value, controller) {\n          if (bytesRead < end) {\n            if (bytesRead + value.length >= begin) {\n              controller.enqueue(slice(value, Math.max(begin - bytesRead, 0), end - bytesRead));\n            }\n            bytesRead += value.length;\n          } else {\n            controller.terminate();\n          }\n        }\n      });\n    }\n    if (begin < 0 && (end < 0 || end === Infinity)) {\n      let lastBytes = [];\n      return transform(input, value => {\n        if (value.length >= -begin) lastBytes = [value];\n        else lastBytes.push(value);\n      }, () => slice(concat(lastBytes), begin, end));\n    }\n    if (begin === 0 && end < 0) {\n      let lastBytes;\n      return transform(input, value => {\n        const returnValue = lastBytes ? concat([lastBytes, value]) : value;\n        if (returnValue.length >= -end) {\n          lastBytes = slice(returnValue, end);\n          return slice(returnValue, begin, end);\n        }\n          lastBytes = returnValue;\n      });\n    }\n    console.warn(`stream.slice(input, ${begin}, ${end}) not implemented efficiently.`);\n    return fromAsync(async () => slice(await readToEnd(input), begin, end));\n  }\n  if (input[externalBuffer]) {\n    input = concat(input[externalBuffer].concat([input]));\n  }\n  if (isUint8Array(input)) {\n    return input.subarray(begin, end === Infinity ? input.length : end);\n  }\n  return input.slice(begin, end);\n}\n\n/**\n * Read a stream to the end and return its contents, concatenated by the join function (defaults to concat).\n * @param {ReadableStream|Uint8array|String} input\n * @param {Function} join\n * @returns {Promise<Uint8array|String|Any>} the return value of join()\n * @async\n */\nasync function readToEnd(input, join=concat) {\n  if (isArrayStream(input)) {\n    return input.readToEnd(join);\n  }\n  if (isStream(input)) {\n    return getReader(input).readToEnd(join);\n  }\n  return input;\n}\n\n/**\n * Cancel a stream.\n * @param {ReadableStream|Uint8array|String} input\n * @param {Any} reason\n * @returns {Promise<Any>} indicates when the stream has been canceled\n * @async\n */\nasync function cancel(input, reason) {\n  if (isStream(input)) {\n    if (input.cancel) {\n      const cancelled = await input.cancel(reason);\n      // the stream is not always cancelled at this point, so we wait some more\n      await new Promise(setTimeout);\n      return cancelled;\n    }\n    if (input.destroy) {\n      input.destroy(reason);\n      await new Promise(setTimeout);\n      return reason;\n    }\n  }\n}\n\n/**\n * Convert an async function to an ArrayStream. When the function returns, its return value is written to the stream.\n * @param {Function} fn\n * @returns {ArrayStream}\n */\nfunction fromAsync(fn) {\n  const arrayStream = new ArrayStream();\n  (async () => {\n    const writer = getWriter(arrayStream);\n    try {\n      await writer.write(await fn());\n      await writer.close();\n    } catch (e) {\n      await writer.abort(e);\n    }\n  })();\n  return arrayStream;\n}\n\n/**\n * Get a Reader\n * @param {ReadableStream|Uint8array|String} input\n * @returns {Reader}\n */\nfunction getReader(input) {\n  return new Reader(input);\n}\n\n/**\n * Get a Writer\n * @param {WritableStream} input\n * @returns {Writer}\n */\nfunction getWriter(input) {\n  return new Writer(input);\n}\n\n\nexport {\n  ArrayStream,\n  toStream,\n  concatStream,\n  concat,\n  getReader,\n  getWriter,\n  pipe,\n  transformRaw,\n  transform,\n  transformPair,\n  parse,\n  clone,\n  passiveClone,\n  slice,\n  readToEnd,\n  cancel,\n  fromAsync\n};\n","/**\n * @module enums\n */\n\nconst byValue = Symbol('byValue');\n\nexport default {\n\n  /** Maps curve names under various standards to one\n   * @see {@link https://wiki.gnupg.org/ECC|ECC - GnuPG wiki}\n   * @enum {String}\n   * @readonly\n   */\n  curve: {\n    /** NIST P-256 Curve */\n    'nistP256':               'nistP256',\n    /** @deprecated use `nistP256` instead */\n    'p256':                   'nistP256',\n\n    /** NIST P-384 Curve */\n    'nistP384':               'nistP384',\n    /** @deprecated use `nistP384` instead */\n    'p384':                   'nistP384',\n\n    /** NIST P-521 Curve */\n    'nistP521':               'nistP521',\n    /** @deprecated use `nistP521` instead */\n    'p521':                   'nistP521',\n\n    /** SECG SECP256k1 Curve */\n    'secp256k1':              'secp256k1',\n\n    /** Ed25519 - deprecated by crypto-refresh (replaced by standaone Ed25519 algo) */\n    'ed25519Legacy':          'ed25519Legacy',\n    /** @deprecated use `ed25519Legacy` instead */\n    'ed25519':                'ed25519Legacy',\n\n    /** Curve25519 - deprecated by crypto-refresh (replaced by standaone X25519 algo) */\n    'curve25519Legacy':       'curve25519Legacy',\n    /** @deprecated use `curve25519Legacy` instead */\n    'curve25519':             'curve25519Legacy',\n\n    /** BrainpoolP256r1 Curve */\n    'brainpoolP256r1':       'brainpoolP256r1',\n\n    /** BrainpoolP384r1 Curve */\n    'brainpoolP384r1':       'brainpoolP384r1',\n\n    /** BrainpoolP512r1 Curve */\n    'brainpoolP512r1':       'brainpoolP512r1'\n  },\n\n  /** A string to key specifier type\n   * @enum {Integer}\n   * @readonly\n   */\n  s2k: {\n    simple: 0,\n    salted: 1,\n    iterated: 3,\n    argon2: 4,\n    gnu: 101\n  },\n\n  /** {@link https://tools.ietf.org/html/draft-ietf-openpgp-crypto-refresh-08.html#section-9.1|crypto-refresh RFC, section 9.1}\n   * @enum {Integer}\n   * @readonly\n   */\n  publicKey: {\n    /** RSA (Encrypt or Sign) [HAC] */\n    rsaEncryptSign: 1,\n    /** RSA (Encrypt only) [HAC] */\n    rsaEncrypt: 2,\n    /** RSA (Sign only) [HAC] */\n    rsaSign: 3,\n    /** Elgamal (Encrypt only) [ELGAMAL] [HAC] */\n    elgamal: 16,\n    /** DSA (Sign only) [FIPS186] [HAC] */\n    dsa: 17,\n    /** ECDH (Encrypt only) [RFC6637] */\n    ecdh: 18,\n    /** ECDSA (Sign only) [RFC6637] */\n    ecdsa: 19,\n    /** EdDSA (Sign only) - deprecated by crypto-refresh (replaced by `ed25519` identifier below)\n     * [{@link https://tools.ietf.org/html/draft-koch-eddsa-for-openpgp-04|Draft RFC}] */\n    eddsaLegacy: 22,\n    /** Reserved for AEDH */\n    aedh: 23,\n    /** Reserved for AEDSA */\n    aedsa: 24,\n    /** X25519 (Encrypt only) */\n    x25519: 25,\n    /** X448 (Encrypt only) */\n    x448: 26,\n    /** Ed25519 (Sign only) */\n    ed25519: 27,\n    /** Ed448 (Sign only) */\n    ed448: 28\n  },\n\n  /** {@link https://tools.ietf.org/html/rfc4880#section-9.2|RFC4880, section 9.2}\n   * @enum {Integer}\n   * @readonly\n   */\n  symmetric: {\n    /** Not implemented! */\n    idea: 1,\n    tripledes: 2,\n    cast5: 3,\n    blowfish: 4,\n    aes128: 7,\n    aes192: 8,\n    aes256: 9,\n    twofish: 10\n  },\n\n  /** {@link https://tools.ietf.org/html/rfc4880#section-9.3|RFC4880, section 9.3}\n   * @enum {Integer}\n   * @readonly\n   */\n  compression: {\n    uncompressed: 0,\n    /** RFC1951 */\n    zip: 1,\n    /** RFC1950 */\n    zlib: 2,\n    bzip2: 3\n  },\n\n  /** {@link https://tools.ietf.org/html/rfc4880#section-9.4|RFC4880, section 9.4}\n   * @enum {Integer}\n   * @readonly\n   */\n  hash: {\n    md5: 1,\n    sha1: 2,\n    ripemd: 3,\n    sha256: 8,\n    sha384: 9,\n    sha512: 10,\n    sha224: 11,\n    sha3_256: 12,\n    sha3_512: 14\n  },\n\n  /** A list of hash names as accepted by webCrypto functions.\n   * {@link https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest|Parameters, algo}\n   * @enum {String}\n   */\n  webHash: {\n    'SHA-1': 2,\n    'SHA-256': 8,\n    'SHA-384': 9,\n    'SHA-512': 10\n  },\n\n  /** {@link https://www.rfc-editor.org/rfc/rfc9580.html#name-aead-algorithms}\n   * @enum {Integer}\n   * @readonly\n   */\n  aead: {\n    eax: 1,\n    ocb: 2,\n    gcm: 3,\n    /** @deprecated used by OpenPGP.js v5 for legacy AEAD support; use `gcm` instead for the RFC9580-standardized ID */\n    experimentalGCM: 100 // Private algorithm\n  },\n\n  /** A list of packet types and numeric tags associated with them.\n   * @enum {Integer}\n   * @readonly\n   */\n  packet: {\n    publicKeyEncryptedSessionKey: 1,\n    signature: 2,\n    symEncryptedSessionKey: 3,\n    onePassSignature: 4,\n    secretKey: 5,\n    publicKey: 6,\n    secretSubkey: 7,\n    compressedData: 8,\n    symmetricallyEncryptedData: 9,\n    marker: 10,\n    literalData: 11,\n    trust: 12,\n    userID: 13,\n    publicSubkey: 14,\n    userAttribute: 17,\n    symEncryptedIntegrityProtectedData: 18,\n    modificationDetectionCode: 19,\n    aeadEncryptedData: 20, // see IETF draft: https://tools.ietf.org/html/draft-ford-openpgp-format-00#section-2.1\n    padding: 21\n  },\n\n  /** Data types in the literal packet\n   * @enum {Integer}\n   * @readonly\n   */\n  literal: {\n    /** Binary data 'b' */\n    binary: 'b'.charCodeAt(),\n    /** Text data 't' */\n    text: 't'.charCodeAt(),\n    /** Utf8 data 'u' */\n    utf8: 'u'.charCodeAt(),\n    /** MIME message body part 'm' */\n    mime: 'm'.charCodeAt()\n  },\n\n\n  /** One pass signature packet type\n   * @enum {Integer}\n   * @readonly\n   */\n  signature: {\n    /** 0x00: Signature of a binary document. */\n    binary: 0,\n    /** 0x01: Signature of a canonical text document.\n     *\n     * Canonicalyzing the document by converting line endings. */\n    text: 1,\n    /** 0x02: Standalone signature.\n     *\n     * This signature is a signature of only its own subpacket contents.\n     * It is calculated identically to a signature over a zero-lengh\n     * binary document.  Note that it doesn't make sense to have a V3\n     * standalone signature. */\n    standalone: 2,\n    /** 0x10: Generic certification of a User ID and Public-Key packet.\n     *\n     * The issuer of this certification does not make any particular\n     * assertion as to how well the certifier has checked that the owner\n     * of the key is in fact the person described by the User ID. */\n    certGeneric: 16,\n    /** 0x11: Persona certification of a User ID and Public-Key packet.\n     *\n     * The issuer of this certification has not done any verification of\n     * the claim that the owner of this key is the User ID specified. */\n    certPersona: 17,\n    /** 0x12: Casual certification of a User ID and Public-Key packet.\n     *\n     * The issuer of this certification has done some casual\n     * verification of the claim of identity. */\n    certCasual: 18,\n    /** 0x13: Positive certification of a User ID and Public-Key packet.\n     *\n     * The issuer of this certification has done substantial\n     * verification of the claim of identity.\n     *\n     * Most OpenPGP implementations make their \"key signatures\" as 0x10\n     * certifications.  Some implementations can issue 0x11-0x13\n     * certifications, but few differentiate between the types. */\n    certPositive: 19,\n    /** 0x30: Certification revocation signature\n     *\n     * This signature revokes an earlier User ID certification signature\n     * (signature class 0x10 through 0x13) or direct-key signature\n     * (0x1F).  It should be issued by the same key that issued the\n     * revoked signature or an authorized revocation key.  The signature\n     * is computed over the same data as the certificate that it\n     * revokes, and should have a later creation date than that\n     * certificate. */\n    certRevocation: 48,\n    /** 0x18: Subkey Binding Signature\n     *\n     * This signature is a statement by the top-level signing key that\n     * indicates that it owns the subkey.  This signature is calculated\n     * directly on the primary key and subkey, and not on any User ID or\n     * other packets.  A signature that binds a signing subkey MUST have\n     * an Embedded Signature subpacket in this binding signature that\n     * contains a 0x19 signature made by the signing subkey on the\n     * primary key and subkey. */\n    subkeyBinding: 24,\n    /** 0x19: Primary Key Binding Signature\n     *\n     * This signature is a statement by a signing subkey, indicating\n     * that it is owned by the primary key and subkey.  This signature\n     * is calculated the same way as a 0x18 signature: directly on the\n     * primary key and subkey, and not on any User ID or other packets.\n     *\n     * When a signature is made over a key, the hash data starts with the\n     * octet 0x99, followed by a two-octet length of the key, and then body\n     * of the key packet.  (Note that this is an old-style packet header for\n     * a key packet with two-octet length.)  A subkey binding signature\n     * (type 0x18) or primary key binding signature (type 0x19) then hashes\n     * the subkey using the same format as the main key (also using 0x99 as\n     * the first octet). */\n    keyBinding: 25,\n    /** 0x1F: Signature directly on a key\n     *\n     * This signature is calculated directly on a key.  It binds the\n     * information in the Signature subpackets to the key, and is\n     * appropriate to be used for subpackets that provide information\n     * about the key, such as the Revocation Key subpacket.  It is also\n     * appropriate for statements that non-self certifiers want to make\n     * about the key itself, rather than the binding between a key and a\n     * name. */\n    key: 31,\n    /** 0x20: Key revocation signature\n     *\n     * The signature is calculated directly on the key being revoked.  A\n     * revoked key is not to be used.  Only revocation signatures by the\n     * key being revoked, or by an authorized revocation key, should be\n     * considered valid revocation signatures.a */\n    keyRevocation: 32,\n    /** 0x28: Subkey revocation signature\n     *\n     * The signature is calculated directly on the subkey being revoked.\n     * A revoked subkey is not to be used.  Only revocation signatures\n     * by the top-level signature key that is bound to this subkey, or\n     * by an authorized revocation key, should be considered valid\n     * revocation signatures.\n     *\n     * Key revocation signatures (types 0x20 and 0x28)\n     * hash only the key being revoked. */\n    subkeyRevocation: 40,\n    /** 0x40: Timestamp signature.\n     * This signature is only meaningful for the timestamp contained in\n     * it. */\n    timestamp: 64,\n    /** 0x50: Third-Party Confirmation signature.\n     *\n     * This signature is a signature over some other OpenPGP Signature\n     * packet(s).  It is analogous to a notary seal on the signed data.\n     * A third-party signature SHOULD include Signature Target\n     * subpacket(s) to give easy identification.  Note that we really do\n     * mean SHOULD.  There are plausible uses for this (such as a blind\n     * party that only sees the signature, not the key or source\n     * document) that cannot include a target subpacket. */\n    thirdParty: 80\n  },\n\n  /** Signature subpacket type\n   * @enum {Integer}\n   * @readonly\n   */\n  signatureSubpacket: {\n    signatureCreationTime: 2,\n    signatureExpirationTime: 3,\n    exportableCertification: 4,\n    trustSignature: 5,\n    regularExpression: 6,\n    revocable: 7,\n    keyExpirationTime: 9,\n    placeholderBackwardsCompatibility: 10,\n    preferredSymmetricAlgorithms: 11,\n    revocationKey: 12,\n    issuerKeyID: 16,\n    notationData: 20,\n    preferredHashAlgorithms: 21,\n    preferredCompressionAlgorithms: 22,\n    keyServerPreferences: 23,\n    preferredKeyServer: 24,\n    primaryUserID: 25,\n    policyURI: 26,\n    keyFlags: 27,\n    signersUserID: 28,\n    reasonForRevocation: 29,\n    features: 30,\n    signatureTarget: 31,\n    embeddedSignature: 32,\n    issuerFingerprint: 33,\n    preferredAEADAlgorithms: 34,\n    preferredCipherSuites: 39\n  },\n\n  /** Key flags\n   * @enum {Integer}\n   * @readonly\n   */\n  keyFlags: {\n    /** 0x01 - This key may be used to certify other keys. */\n    certifyKeys: 1,\n    /** 0x02 - This key may be used to sign data. */\n    signData: 2,\n    /** 0x04 - This key may be used to encrypt communications. */\n    encryptCommunication: 4,\n    /** 0x08 - This key may be used to encrypt storage. */\n    encryptStorage: 8,\n    /** 0x10 - The private component of this key may have been split\n     *        by a secret-sharing mechanism. */\n    splitPrivateKey: 16,\n    /** 0x20 - This key may be used for authentication. */\n    authentication: 32,\n    /** 0x80 - The private component of this key may be in the\n     *        possession of more than one person. */\n    sharedPrivateKey: 128\n  },\n\n  /** Armor type\n   * @enum {Integer}\n   * @readonly\n   */\n  armor: {\n    multipartSection: 0,\n    multipartLast: 1,\n    signed: 2,\n    message: 3,\n    publicKey: 4,\n    privateKey: 5,\n    signature: 6\n  },\n\n  /** {@link https://tools.ietf.org/html/rfc4880#section-5.2.3.23|RFC4880, section 5.2.3.23}\n   * @enum {Integer}\n   * @readonly\n   */\n  reasonForRevocation: {\n    /** No reason specified (key revocations or cert revocations) */\n    noReason: 0,\n    /** Key is superseded (key revocations) */\n    keySuperseded: 1,\n    /** Key material has been compromised (key revocations) */\n    keyCompromised: 2,\n    /** Key is retired and no longer used (key revocations) */\n    keyRetired: 3,\n    /** User ID information is no longer valid (cert revocations) */\n    userIDInvalid: 32\n  },\n\n  /** {@link https://tools.ietf.org/html/draft-ietf-openpgp-rfc4880bis-04#section-5.2.3.25|RFC4880bis-04, section 5.2.3.25}\n   * @enum {Integer}\n   * @readonly\n   */\n  features: {\n    /** 0x01 - Modification Detection (packets 18 and 19) */\n    modificationDetection: 1,\n    /** 0x02 - AEAD Encrypted Data Packet (packet 20) and version 5\n     *         Symmetric-Key Encrypted Session Key Packets (packet 3) */\n    aead: 2,\n    /** 0x04 - Version 5 Public-Key Packet format and corresponding new\n      *        fingerprint format */\n    v5Keys: 4,\n    seipdv2: 8\n  },\n\n  /**\n   * Asserts validity of given value and converts from string/integer to integer.\n   * @param {Object} type target enum type\n   * @param {String|Integer} e value to check and/or convert\n   * @returns {Integer} enum value if it exists\n   * @throws {Error} if the value is invalid\n   */\n  write: function(type, e) {\n    if (typeof e === 'number') {\n      e = this.read(type, e);\n    }\n\n    if (type[e] !== undefined) {\n      return type[e];\n    }\n\n    throw new Error('Invalid enum value.');\n  },\n\n  /**\n   * Converts enum integer value to the corresponding string, if it exists.\n   * @param {Object} type target enum type\n   * @param {Integer} e value to convert\n   * @returns {String} name of enum value if it exists\n   * @throws {Error} if the value is invalid\n   */\n  read: function(type, e) {\n    if (!type[byValue]) {\n      type[byValue] = [];\n      Object.entries(type).forEach(([key, value]) => {\n        type[byValue][value] = key;\n      });\n    }\n\n    if (type[byValue][e] !== undefined) {\n      return type[byValue][e];\n    }\n\n    throw new Error('Invalid enum value.');\n  }\n};\n","// GPG4Browsers - An OpenPGP implementation in javascript\n// Copyright (C) 2011 Recurity Labs GmbH\n//\n// This library is free software; you can redistribute it and/or\n// modify it under the terms of the GNU Lesser General Public\n// License as published by the Free Software Foundation; either\n// version 3.0 of the License, or (at your option) any later version.\n//\n// This library is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n// Lesser General Public License for more details.\n//\n// You should have received a copy of the GNU Lesser General Public\n// License along with this library; if not, write to the Free Software\n// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA\n\n/**\n * Global configuration values.\n *