1 files changed, 166 insertions, 0 deletions
diff --git a/third_party/js/PKI.js/src/OtherPrimeInfo.ts b/third_party/js/PKI.js/src/OtherPrimeInfo.ts
new file mode 100644
index 0000000000..24cc9495ee
--- /dev/null
+++ b/third_party/js/PKI.js/src/OtherPrimeInfo.ts
@@ -0,0 +1,166 @@
+import * as asn1js from "asn1js";
+import * as pvtsutils from "pvtsutils";
+import * as pvutils from "pvutils";
+import { EMPTY_STRING } from "./constants";
+import { AsnError, ParameterError } from "./errors";
+import { PkiObject, PkiObjectParameters } from "./PkiObject";
+import * as Schema from "./Schema";
+
+const PRIME = "prime";
+const EXPONENT = "exponent";
+const COEFFICIENT = "coefficient";
+const CLEAR_PROPS = [
+  PRIME,
+  EXPONENT,
+  COEFFICIENT,
+];
+
+export interface IOtherPrimeInfo {
+  prime: asn1js.Integer;
+  exponent: asn1js.Integer;
+  coefficient: asn1js.Integer;
+}
+
+export type OtherPrimeInfoParameters = PkiObjectParameters & Partial<IOtherPrimeInfo> & { json?: OtherPrimeInfoJson; };
+
+export interface OtherPrimeInfoJson {
+  r: string;
+  d: string;
+  t: string;
+}
+
+export type OtherPrimeInfoSchema = Schema.SchemaParameters<{
+  prime?: string;
+  exponent?: string;
+  coefficient?: string;
+}>;
+
+/**
+ * Represents the OtherPrimeInfo structure described in [RFC3447](https://datatracker.ietf.org/doc/html/rfc3447)
+ */
+export class OtherPrimeInfo extends PkiObject implements IOtherPrimeInfo {
+
+  public static override CLASS_NAME = "OtherPrimeInfo";
+
+  public prime!: asn1js.Integer;
+  public exponent!: asn1js.Integer;
+  public coefficient!: asn1js.Integer;
+
+  /**
+   * Initializes a new instance of the {@link OtherPrimeInfo} class
+   * @param parameters Initialization parameters
+   */
+  constructor(parameters: OtherPrimeInfoParameters = {}) {
+    super();
+
+    this.prime = pvutils.getParametersValue(parameters, PRIME, OtherPrimeInfo.defaultValues(PRIME));
+    this.exponent = pvutils.getParametersValue(parameters, EXPONENT, OtherPrimeInfo.defaultValues(EXPONENT));
+    this.coefficient = pvutils.getParametersValue(parameters, COEFFICIENT, OtherPrimeInfo.defaultValues(COEFFICIENT));
+
+    if (parameters.json) {
+      this.fromJSON(parameters.json);
+    }
+
+    if (parameters.schema) {
+      this.fromSchema(parameters.schema);
+    }
+  }
+
+  /**
+   * Returns default values for all class members
+   * @param memberName String name for a class member
+   * @returns Default value
+   */
+  public static override defaultValues(memberName: typeof PRIME | typeof EXPONENT | typeof COEFFICIENT): asn1js.Integer;
+  public static override defaultValues(memberName: string): any {
+    switch (memberName) {
+      case PRIME:
+        return new asn1js.Integer();
+      case EXPONENT:
+        return new asn1js.Integer();
+      case COEFFICIENT:
+        return new asn1js.Integer();
+      default:
+        return super.defaultValues(memberName);
+    }
+  }
+
+  /**
+   * @inheritdoc
+   * @asn ASN.1 schema
+   * ```asn
+   * OtherPrimeInfo ::= Sequence {
+   *    prime             Integer,  -- ri
+   *    exponent          Integer,  -- di
+   *    coefficient       Integer   -- ti
+   * }
+   *```
+   */
+  public static override schema(parameters: OtherPrimeInfoSchema = {}): Schema.SchemaType {
+    const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
+
+    return (new asn1js.Sequence({
+      name: (names.blockName || EMPTY_STRING),
+      value: [
+        new asn1js.Integer({ name: (names.prime || EMPTY_STRING) }),
+        new asn1js.Integer({ name: (names.exponent || EMPTY_STRING) }),
+        new asn1js.Integer({ name: (names.coefficient || EMPTY_STRING) })
+      ]
+    }));
+  }
+
+  public fromSchema(schema: Schema.SchemaType): void {
+    // Clear input data first
+    pvutils.clearProps(schema, CLEAR_PROPS);
+
+    // Check the schema is valid
+    const asn1 = asn1js.compareSchema(schema,
+      schema,
+      OtherPrimeInfo.schema({
+        names: {
+          prime: PRIME,
+          exponent: EXPONENT,
+          coefficient: COEFFICIENT
+        }
+      })
+    );
+    AsnError.assertSchema(asn1, this.className);
+
+    //#region Get internal properties from parsed schema
+    this.prime = asn1.result.prime.convertFromDER();
+    this.exponent = asn1.result.exponent.convertFromDER();
+    this.coefficient = asn1.result.coefficient.convertFromDER();
+    //#endregion
+  }
+
+  public toSchema(): asn1js.Sequence {
+    return (new asn1js.Sequence({
+      value: [
+        this.prime.convertToDER(),
+        this.exponent.convertToDER(),
+        this.coefficient.convertToDER()
+      ]
+    }));
+  }
+
+  public toJSON(): OtherPrimeInfoJson {
+    return {
+      r: pvtsutils.Convert.ToBase64Url(this.prime.valueBlock.valueHexView),
+      d: pvtsutils.Convert.ToBase64Url(this.exponent.valueBlock.valueHexView),
+      t: pvtsutils.Convert.ToBase64Url(this.coefficient.valueBlock.valueHexView),
+    };
+  }
+
+  /**
+   * Converts JSON value into current object
+   * @param json JSON object
+   */
+  public fromJSON(json: OtherPrimeInfoJson): void {
+    ParameterError.assert("json", json, "r", "d", "r");
+
+    this.prime = new asn1js.Integer({ valueHex: pvtsutils.Convert.FromBase64Url(json.r) });
+    this.exponent = new asn1js.Integer({ valueHex: pvtsutils.Convert.FromBase64Url(json.d) });
+    this.coefficient = new asn1js.Integer({ valueHex: pvtsutils.Convert.FromBase64Url(json.t) });
+  }
+
+}