updated noble curves for point fix

package.json

@@ -1,6 +1,6 @@
 {
  "name": "tlock-js",
- "version": "0.8.0",
+ "version": "0.9.0",
  "description": "A library to encrypt data that can only be decrypted in the future using drand",
  "source": "src/index.ts",
  "main": "index.js",
@@ -42,11 +42,11 @@
  "typescript": "^5.1.6"
  },
  "dependencies": {
- "@noble/bls12-381": "^1.4.0",
- "@noble/hashes": "^1.3.1",
+ "@noble/curves": "^1.4.0",
+ "@noble/hashes": "^1.4.0",
  "@stablelib/chacha20poly1305": "^1.0.1",
  "buffer": "^6.0.3",
- "drand-client": "1.2.3"
+ "drand-client": "1.2.5"
  },
  "browserslist": [
  "> 0.5%",

src/crypto/fp.ts

@@ -0,0 +1,99 @@
+import * as mod from "@noble/curves/abstract/modular"
+
+// these are all some helpers around the field elements used in the BLS lib that got abstracted away
+// when migrating from @noble/bls12-381 -> @noble/curves
+declare const Fp: Readonly<mod.IField<bigint> & Required<Pick<mod.IField<bigint>, "isOdd">>>;
+type Fp = bigint;
+type BigintTuple = [bigint, bigint];
+type Fp2 = {
+ c0: bigint;
+ c1: bigint;
+};
+
+function fp2FromBigTuple(t: BigintTuple): Fp2 {
+ return {
+ c0: t[0],
+ c1: t[1]
+ }
+}
+
+declare const Fp2: mod.IField<Fp2>
+type BigintSix = [bigint, bigint, bigint, bigint, bigint, bigint]
+type Fp6 = {
+ c0: Fp2;
+ c1: Fp2;
+ c2: Fp2;
+};
+
+declare const Fp6: mod.IField<Fp6>
+
+function fp6FromBigSix(b: BigintSix): Fp6 {
+ return {
+ c0: {
+ c0: b[0],
+ c1: b[1],
+ },
+ c1: {
+ c0: b[2],
+ c1: b[3],
+ },
+ c2: {
+ c0: b[4],
+ c1: b[5],
+ }
+ }
+}
+
+type Fp12 = {
+ c0: Fp6;
+ c1: Fp6;
+};
+type BigintTwelve = [
+ bigint,
+ bigint,
+ bigint,
+ bigint,
+ bigint,
+ bigint,
+ bigint,
+ bigint,
+ bigint,
+ bigint,
+ bigint,
+ bigint
+];
+
+function fp12FromBigTwelve(b: BigintTwelve): Fp12 {
+ return {
+ c0: {
+ c0: {
+ c0: b[0],
+ c1: b[1],
+ },
+ c1: {
+ c0: b[2],
+ c1: b[3],
+ },
+ c2: {
+ c0: b[4],
+ c1: b[5],
+ }
+ },
+ c1: {
+ c0: {
+ c0: b[6],
+ c1: b[7],
+ },
+ c1: {
+ c0: b[8],
+ c1: b[9],
+ },
+ c2: {
+ c0: b[10],
+ c1: b[11],
+ }
+ }
+ }
+}
+
+export {Fp, Fp2, Fp6, Fp12, fp2FromBigTuple, fp6FromBigSix, fp12FromBigTwelve, BigintTwelve}