Function toArrayBuffer

packages/consortium-web/src/lib/encryption.ts:120–122

Convert Uint8Array to ArrayBuffer (needed for SubtleCrypto)

(arr: Uint8Array)

/** Convert Uint8Array to ArrayBuffer (needed for SubtleCrypto) */
function toArrayBuffer(arr: Uint8Array): ArrayBuffer {
  return arr.buffer.slice(arr.byteOffset, arr.byteOffset + arr.byteLength) as ArrayBuffer;
}

let aesKeyCache = new WeakMap<Uint8Array, CryptoKey>();