1 files changed, 51 insertions, 0 deletions
diff --git a/comm/third_party/asn1js/src/RawData.ts b/comm/third_party/asn1js/src/RawData.ts
new file mode 100644
index 0000000000..86228739fc
--- /dev/null
+++ b/comm/third_party/asn1js/src/RawData.ts
@@ -0,0 +1,51 @@
+import * as pvtsutils from "pvtsutils";
+import { IBerConvertible } from "./types";
+import { EMPTY_VIEW } from "./internals/constants";
+
+export interface IRawData {
+  data: ArrayBuffer;
+}
+
+export type RawDataParams = Partial<IRawData>;
+
+/**
+ * Special class providing ability to have "toBER/fromBER" for raw ArrayBuffer
+ */
+export class RawData implements IBerConvertible {
+
+
+  /**
+   * @deprecated Since v3.0.0
+   */
+  public get data(): ArrayBuffer {
+    return this.dataView.slice().buffer;
+  }
+
+  /**
+   * @deprecated Since v3.0.0
+   */
+  public set data(value: ArrayBuffer) {
+    this.dataView = pvtsutils.BufferSourceConverter.toUint8Array(value);
+  }
+
+  /**
+   * @since 3.0.0
+   */
+  public dataView: Uint8Array;
+
+  constructor({ data = EMPTY_VIEW }: RawDataParams = {}) {
+    this.dataView = pvtsutils.BufferSourceConverter.toUint8Array(data);
+  }
+
+  public fromBER(inputBuffer: ArrayBuffer | Uint8Array, inputOffset: number, inputLength: number): number {
+    const endLength = inputOffset + inputLength;
+    this.dataView = pvtsutils.BufferSourceConverter.toUint8Array(inputBuffer).subarray(inputOffset, endLength);
+
+    return endLength;
+  }
+
+  public toBER(sizeOnly?: boolean): ArrayBuffer {
+    return this.dataView.slice().buffer;
+  }
+
+}