Consistent naming

src/blst/index.ts

@@ -1,11 +1,11 @@
-import {PrivateKey} from "./privateKey";
+import {SecretKey} from "./secretKey";
 import {PublicKey} from "./publicKey";
 import {Signature} from "./signature";
 import {IBls} from "../interface";
 import {functionalInterfaceFactory} from "../functional";
 export * from "../constants";
 
-export {PrivateKey, PublicKey, Signature};
+export {SecretKey, PublicKey, Signature};
 
 export async function init(): Promise<void> {
   // Native bindings require no init() call
@@ -15,11 +15,11 @@ export function destroy(): void {
 }
 
 export const bls: IBls = {
-  PrivateKey,
+  SecretKey,
   PublicKey,
   Signature,
 
-  ...functionalInterfaceFactory({PrivateKey, PublicKey, Signature}),
+  ...functionalInterfaceFactory({SecretKey, PublicKey, Signature}),
   init,
   destroy,
 };

src/blst/publicKey.ts

@@ -26,12 +26,12 @@ export class PublicKey implements IPublicKey {
     return this.fromBytes(hexToBytes(hex));
   }
 
-  static aggregate(pubkeys: PublicKey[]): PublicKey {
+  static aggregate(publicKeys: PublicKey[]): PublicKey {
-    if (pubkeys.length === 0) {
+    if (publicKeys.length === 0) {
       throw new EmptyAggregateError();
     }
 
-    const jacobian = blst.aggregatePubkeys(pubkeys.map((pk) => pk.jacobian));
+    const jacobian = blst.aggregatePubkeys(publicKeys.map((pk) => pk.jacobian));
     const affine = jacobian.toPublicKey();
     return new PublicKey(affine, jacobian);
   }

src/blst/secretKey.ts

@@ -1,35 +1,35 @@
 import * as blst from "@chainsafe/blst";
 import {bytesToHex, hexToBytes, isZeroUint8Array, randomBytes} from "../helpers";
 import {SECRET_KEY_LENGTH} from "../constants";
-import {IPrivateKey} from "../interface";
+import {ISecretKey} from "../interface";
 import {PublicKey} from "./publicKey";
 import {Signature} from "./signature";
-import {ZeroPrivateKeyError} from "../errors";
+import {ZeroSecretKeyError} from "../errors";
 
-export class PrivateKey implements IPrivateKey {
+export class SecretKey implements ISecretKey {
   readonly value: blst.SecretKey;
 
   constructor(value: blst.SecretKey) {
     this.value = value;
   }
 
-  static fromBytes(bytes: Uint8Array): PrivateKey {
+  static fromBytes(bytes: Uint8Array): SecretKey {
     // draft-irtf-cfrg-bls-signature-04 does not allow SK == 0
     if (isZeroUint8Array(bytes)) {
-      throw new ZeroPrivateKeyError();
+      throw new ZeroSecretKeyError();
     }
 
     const sk = blst.SecretKey.fromBytes(bytes);
-    return new PrivateKey(sk);
+    return new SecretKey(sk);
   }
 
-  static fromHex(hex: string): PrivateKey {
+  static fromHex(hex: string): SecretKey {
     return this.fromBytes(hexToBytes(hex));
   }
 
-  static fromKeygen(entropy?: Uint8Array): PrivateKey {
+  static fromKeygen(entropy?: Uint8Array): SecretKey {
     const sk = blst.SecretKey.fromKeygen(entropy || randomBytes(SECRET_KEY_LENGTH));
-    return new PrivateKey(sk);
+    return new SecretKey(sk);
   }
 
   sign(message: Uint8Array): Signature {

src/blst/signature.ts

@@ -58,8 +58,8 @@ export class Signature implements ISignature {
   }
 
   private aggregateVerify(msgs: Uint8Array[], pks: blst.PublicKey[]): boolean {
-    // If this set is simply an infinity signature and infinity pubkey then skip verification.
+    // If this set is simply an infinity signature and infinity publicKey then skip verification.
-    // This has the effect of always declaring that this sig/pubkey combination is valid.
+    // This has the effect of always declaring that this sig/publicKey combination is valid.
     // for Eth2.0 specs tests
     if (this.affine.value.is_inf() && pks.length === 1 && pks[0].value.is_inf()) {
       return true;

src/errors.ts

@@ -8,9 +8,9 @@ export class NotInitializedError extends Error {
   }
 }
 
-export class ZeroPrivateKeyError extends Error {
+export class ZeroSecretKeyError extends Error {
   constructor() {
-    super("ZERO_PRIVATE_KEY");
+    super("ZERO_SECRET_KEY");
   }
 }
 

src/functional.ts

@@ -5,10 +5,10 @@ import {NotInitializedError} from "./errors";
 // Returned type is enforced at each implementation's index
 // eslint-disable-next-line @typescript-eslint/explicit-function-return-type
 export function functionalInterfaceFactory({
-  PrivateKey,
+  SecretKey,
   PublicKey,
   Signature,
-}: Pick<IBls, "PrivateKey" | "PublicKey" | "Signature">) {
+}: Pick<IBls, "SecretKey" | "PublicKey" | "Signature">) {
   /**
    * Signs given message using secret key.
    * @param secretKey
@@ -18,8 +18,7 @@ export function functionalInterfaceFactory({
     validateBytes(secretKey, "secretKey");
     validateBytes(message, "message");
 
-    const privateKey = PrivateKey.fromBytes(secretKey);
+    return SecretKey.fromBytes(secretKey).sign(message).toBytes();
-    return privateKey.sign(message).toBytes();
   }
 
   /**
@@ -35,7 +34,7 @@ export function functionalInterfaceFactory({
    * Combines all given public keys into single one
    * @param publicKeys
    */
-  function aggregatePubkeys(publicKeys: Uint8Array[]): Uint8Array {
+  function aggregatePublicKeys(publicKeys: Uint8Array[]): Uint8Array {
     const agg = PublicKey.aggregate(publicKeys.map((p) => PublicKey.fromBytes(p)));
     return agg.toBytes();
   }
@@ -72,7 +71,7 @@ export function functionalInterfaceFactory({
 
     try {
       return Signature.fromBytes(signature).verifyAggregate(
-        publicKeys.map((pubkey) => PublicKey.fromBytes(pubkey)),
+        publicKeys.map((publicKey) => PublicKey.fromBytes(publicKey)),
         message
       );
     } catch (e) {
@@ -110,7 +109,7 @@ export function functionalInterfaceFactory({
   return {
     sign,
     aggregateSignatures,
-    aggregatePubkeys,
+    aggregatePublicKeys,
     verify,
     verifyAggregate,
     verifyMultiple,

src/herumi/index.ts

@@ -1,4 +1,4 @@
-import {PrivateKey} from "./privateKey";
+import {SecretKey} from "./secretKey";
 import {PublicKey} from "./publicKey";
 import {Signature} from "./signature";
 import {init, destroy} from "./context";
@@ -6,14 +6,14 @@ import {IBls} from "../interface";
 import {functionalInterfaceFactory} from "../functional";
 export * from "../constants";
 
-export {PrivateKey, PublicKey, Signature, init, destroy};
+export {SecretKey, PublicKey, Signature, init, destroy};
 
 export const bls: IBls = {
-  PrivateKey,
+  SecretKey,
   PublicKey,
   Signature,
 
-  ...functionalInterfaceFactory({PrivateKey, PublicKey, Signature}),
+  ...functionalInterfaceFactory({SecretKey, PublicKey, Signature}),
   init,
   destroy,
 };

src/herumi/publicKey.ts

@@ -33,13 +33,13 @@ export class PublicKey implements IPublicKey {
     return this.fromBytes(hexToBytes(hex));
   }
 
-  static aggregate(pubkeys: PublicKey[]): PublicKey {
+  static aggregate(publicKeys: PublicKey[]): PublicKey {
-    if (pubkeys.length === 0) {
+    if (publicKeys.length === 0) {
       throw new EmptyAggregateError();
     }
 
-    const agg = new PublicKey(pubkeys[0].value.clone());
+    const agg = new PublicKey(publicKeys[0].value.clone());
-    for (const pk of pubkeys.slice(1)) {
+    for (const pk of publicKeys.slice(1)) {
       agg.value.add(pk.value);
     }
     return agg;

src/herumi/secretKey.ts

@@ -5,36 +5,36 @@ import {getContext} from "./context";
 import {PublicKey} from "./publicKey";
 import {Signature} from "./signature";
 import {bytesToHex, hexToBytes} from "../helpers";
-import {IPrivateKey} from "../interface";
+import {ISecretKey} from "../interface";
-import {InvalidLengthError, ZeroPrivateKeyError} from "../errors";
+import {InvalidLengthError, ZeroSecretKeyError} from "../errors";
 
-export class PrivateKey implements IPrivateKey {
+export class SecretKey implements ISecretKey {
   readonly value: SecretKeyType;
 
   constructor(value: SecretKeyType) {
     if (value.isZero()) {
-      throw new ZeroPrivateKeyError();
+      throw new ZeroSecretKeyError();
     }
 
     this.value = value;
   }
 
-  static fromBytes(bytes: Uint8Array): PrivateKey {
+  static fromBytes(bytes: Uint8Array): SecretKey {
     if (bytes.length !== SECRET_KEY_LENGTH) {
-      throw new InvalidLengthError("PrivateKey", SECRET_KEY_LENGTH);
+      throw new InvalidLengthError("SecretKey", SECRET_KEY_LENGTH);
     }
 
     const context = getContext();
     const secretKey = new context.SecretKey();
     secretKey.deserialize(bytes);
-    return new PrivateKey(secretKey);
+    return new SecretKey(secretKey);
   }
 
-  static fromHex(hex: string): PrivateKey {
+  static fromHex(hex: string): SecretKey {
     return this.fromBytes(hexToBytes(hex));
   }
 
-  static fromKeygen(entropy?: Uint8Array): PrivateKey {
+  static fromKeygen(entropy?: Uint8Array): SecretKey {
     const sk = generateRandomSecretKey(entropy && Buffer.from(entropy));
     return this.fromBytes(sk);
   }

src/index.ts

@@ -1,4 +1,4 @@
-import {IBls, IPrivateKey, IPublicKey, ISignature} from "./interface";
+import {IBls, ISecretKey, IPublicKey, ISignature} from "./interface";
 import {bls as blsHerumi} from "./herumi";
 
 export type Implementation = "herumi" | "blst-native";
@@ -40,15 +40,15 @@ export async function init(impl: Implementation): Promise<void> {
 // Proxy named exports, will get set by `Object.assign(exports, blsImpl)`
 export declare let sign: IBls["sign"];
 export declare let aggregateSignatures: IBls["aggregateSignatures"];
-export declare let aggregatePubkeys: IBls["aggregatePubkeys"];
+export declare let aggregatePublicKeys: IBls["aggregatePublicKeys"];
 export declare let verify: IBls["verify"];
 export declare let verifyAggregate: IBls["verifyAggregate"];
 export declare let verifyMultiple: IBls["verifyMultiple"];
 
-export declare class PrivateKey implements IPrivateKey {
+export declare class SecretKey implements ISecretKey {
-  static fromBytes(bytes: Uint8Array): PrivateKey;
+  static fromBytes(bytes: Uint8Array): SecretKey;
-  static fromHex(hex: string): PrivateKey;
+  static fromHex(hex: string): SecretKey;
-  static fromKeygen(entropy?: Uint8Array): PrivateKey;
+  static fromKeygen(entropy?: Uint8Array): SecretKey;
   sign(message: Uint8Array): Signature;
   toPublicKey(): PublicKey;
   toBytes(): Uint8Array;
@@ -56,13 +56,14 @@ export declare class PrivateKey implements IPrivateKey {
 }
 
 export declare class PublicKey implements IPublicKey {
+  // Virtual property so PublicKey type != Signature type
+  private isPublicKey: true;
+
   static fromBytes(bytes: Uint8Array): PublicKey;
   static fromHex(hex: string): PublicKey;
-  static aggregate(pubkeys: PublicKey[]): PublicKey;
+  static aggregate(publicKeys: PublicKey[]): PublicKey;
   toBytes(): Uint8Array;
   toHex(): string;
-  // Virtual property so PublicKey type != Signature type
-  private isPublicKey: true; 
 }
 
 export declare class Signature implements ISignature {

src/interface.ts

@@ -1,13 +1,13 @@
 export interface IBls {
-  PrivateKey: {
+  SecretKey: {
-    fromBytes(bytes: Uint8Array): IPrivateKey;
+    fromBytes(bytes: Uint8Array): ISecretKey;
-    fromHex(hex: string): IPrivateKey;
+    fromHex(hex: string): ISecretKey;
-    fromKeygen(ikm?: Uint8Array): IPrivateKey;
+    fromKeygen(ikm?: Uint8Array): ISecretKey;
   };
   PublicKey: {
     fromBytes(bytes: Uint8Array): IPublicKey;
     fromHex(hex: string): IPublicKey;
-    aggregate(pubkeys: IPublicKey[]): IPublicKey;
+    aggregate(publicKeys: IPublicKey[]): IPublicKey;
   };
   Signature: {
     fromBytes(bytes: Uint8Array): ISignature;
@@ -16,7 +16,7 @@ export interface IBls {
   };
 
   sign(secretKey: Uint8Array, message: Uint8Array): Uint8Array;
-  aggregatePubkeys(publicKeys: Uint8Array[]): Uint8Array;
+  aggregatePublicKeys(publicKeys: Uint8Array[]): Uint8Array;
   aggregateSignatures(signatures: Uint8Array[]): Uint8Array;
   verify(publicKey: Uint8Array, message: Uint8Array, signature: Uint8Array): boolean;
   verifyAggregate(publicKeys: Uint8Array[], message: Uint8Array, signature: Uint8Array): boolean;
@@ -28,7 +28,7 @@ export interface IBls {
 
 export interface IKeypair {
   publicKey: IPublicKey;
-  privateKey: IPrivateKey;
+  secretKey: ISecretKey;
 }
 
 export interface IPublicKey {
@@ -44,7 +44,7 @@ export interface ISignature {
   verifyMultiple(publicKeys: IPublicKey[], messages: Uint8Array[]): boolean;
 }
 
-export interface IPrivateKey {
+export interface ISecretKey {
   toPublicKey(): IPublicKey;
   sign(message: Uint8Array): ISignature;
   toBytes(): Uint8Array;

test/benchmark/index.ts

@@ -13,7 +13,7 @@ runForAllImplementations((bls, implementation) => {
 
     prepareTest: () => {
       const msg = randomMsg();
-      const sk = bls.PrivateKey.fromKeygen();
+      const sk = bls.SecretKey.fromKeygen();
       const pk = sk.toPublicKey();
       const sig = sk.sign(msg);
       return {
@@ -34,7 +34,7 @@ runForAllImplementations((bls, implementation) => {
     prepareTest: () => {
       const msg = randomMsg();
       const dataArr = range(aggCount).map(() => {
-        const sk = bls.PrivateKey.fromKeygen();
+        const sk = bls.SecretKey.fromKeygen();
         const pk = sk.toPublicKey();
         const sig = sk.sign(msg);
         return {pk, sig};
@@ -60,7 +60,7 @@ runForAllImplementations((bls, implementation) => {
 
     prepareTest: () => {
       return {
-        input: range(aggCount).map(() => bls.PrivateKey.fromKeygen().toPublicKey()),
+        input: range(aggCount).map(() => bls.SecretKey.fromKeygen().toPublicKey()),
       };
     },
     testRunner: (pks) => {
@@ -76,7 +76,7 @@ runForAllImplementations((bls, implementation) => {
     prepareTest: () => {
       const msg = randomMsg();
       const sigs = range(aggCount).map(() => {
-        const sk = bls.PrivateKey.fromKeygen();
+        const sk = bls.SecretKey.fromKeygen();
         return sk.sign(msg);
       });
       return {

test/spec/sign.test.ts

@@ -3,7 +3,7 @@ import {describeDirectorySpecTest, InputType} from "@chainsafe/lodestar-spec-tes
 import {bytesToHex, hexToBytes} from "../../src/helpers";
 import {SPEC_TESTS_DIR} from "../params";
 import {describeForAllImplementations} from "../switch";
-import {ZeroPrivateKeyError} from "../../src/errors";
+import {ZeroSecretKeyError} from "../../src/errors";
 
 interface ISignMessageTestCase {
   data: {
@@ -25,7 +25,7 @@ describeForAllImplementations((bls) => {
         const signature = bls.sign(hexToBytes(privkey), hexToBytes(message));
         return bytesToHex(signature);
       } catch (e) {
-        if (e instanceof ZeroPrivateKeyError) return null;
+        if (e instanceof ZeroSecretKeyError) return null;
         else throw e;
       }
     },

test/unit/index-named-exports.test.ts

@@ -1,11 +1,11 @@
 import {expect} from "chai";
-import {PrivateKey, PublicKey, Signature, init} from "../../src";
+import {SecretKey, PublicKey, Signature, init} from "../../src";
 
 describe("index named exports", () => {
   it("Classes and methods should be defined", async () => {
     await init("herumi");
 
-    const sk = PrivateKey.fromKeygen();
+    const sk = SecretKey.fromKeygen();
     const msg = new Uint8Array(32);
     const sig = sk.sign(msg);
     const pk = sk.toPublicKey();

test/unit/index.test.ts

@@ -5,7 +5,7 @@ import {getN, randomMessage} from "../util";
 export function runIndexTests(bls: IBls): void {
   // eslint-disable-next-line @typescript-eslint/explicit-function-return-type
   function getRandomData() {
-    const sk = bls.PrivateKey.fromKeygen();
+    const sk = bls.SecretKey.fromKeygen();
     const pk = sk.toPublicKey();
     const msg = randomMessage();
     const sig = sk.sign(msg);
@@ -47,15 +47,15 @@ export function runIndexTests(bls: IBls): void {
 
   describe("verify multiple", () => {
     it("should verify aggregated signatures", () => {
-      const sks = getN(4, () => bls.PrivateKey.fromKeygen());
+      const sks = getN(4, () => bls.SecretKey.fromKeygen());
       const msgs = getN(2, () => randomMessage());
       const pks = sks.map((sk) => sk.toPublicKey());
 
       const sigs = [sks[0].sign(msgs[0]), sks[1].sign(msgs[0]), sks[2].sign(msgs[1]), sks[3].sign(msgs[1])];
 
       const aggPubkeys = [
-        bls.aggregatePubkeys([pks[0], pks[1]].map((pk) => pk.toBytes())),
+        bls.aggregatePublicKeys([pks[0], pks[1]].map((pk) => pk.toBytes())),
-        bls.aggregatePubkeys([pks[2], pks[3]].map((pk) => pk.toBytes())),
+        bls.aggregatePublicKeys([pks[2], pks[3]].map((pk) => pk.toBytes())),
       ];
 
       const aggSig = bls.aggregateSignatures(sigs.map((sig) => sig.toBytes()));
@@ -67,7 +67,7 @@ export function runIndexTests(bls: IBls): void {
     it("should verify aggregated signatures - same message", () => {
       const n = 4;
       const msg = randomMessage();
-      const sks = getN(n, () => bls.PrivateKey.fromKeygen());
+      const sks = getN(n, () => bls.SecretKey.fromKeygen());
       const pks = sks.map((sk) => sk.toPublicKey());
       const sigs = sks.map((sk) => sk.sign(msg));
 

test/unit/privateKey.test.ts

@@ -1,26 +0,0 @@
-import {expect} from "chai";
-import {IBls} from "../../src/interface";
-
-export function runPrivateKeyTests(bls: IBls): void {
-  describe("PrivateKey", () => {
-    it("should generate fromKeygen private key", () => {
-      const privateKey1 = bls.PrivateKey.fromKeygen();
-      const privateKey2 = bls.PrivateKey.fromKeygen();
-      expect(privateKey1.toHex()).to.not.be.equal(privateKey2.toHex());
-    });
-
-    const privateKey = "0x07656fd676da43883d163f49566c72b9cbf0a5a294f26808c807700732456da7";
-
-    it("should export private key to hex string", () => {
-      expect(bls.PrivateKey.fromHex(privateKey).toHex()).to.be.equal(privateKey);
-    });
-
-    it("should export private key to hex string from non-prefixed hex", () => {
-      expect(bls.PrivateKey.fromHex(privateKey).toHex()).to.be.equal(privateKey);
-    });
-
-    it("should not accept too short private key", () => {
-      expect(() => bls.PrivateKey.fromHex("0x2123")).to.throw();
-    });
-  });
-}

test/unit/publicKey.test.ts

@@ -14,8 +14,8 @@ export function runPublicKeyTests(bls: IBls): void {
       expect(bls.PublicKey.fromHex(publicKey).toHex()).to.be.equal(publicKey);
     });
 
-    it("from private key", () => {
+    it("from secret key", () => {
-      bls.PrivateKey.fromKeygen().toPublicKey();
+      bls.SecretKey.fromKeygen().toPublicKey();
     });
   });
 }

test/unit/run-all-implementations.test.ts

@@ -1,4 +1,4 @@
-import {runPrivateKeyTests} from "./privateKey.test";
+import {runSecretKeyTests} from "./secretKey.test";
 import {runPublicKeyTests} from "./publicKey.test";
 // import {runKeypairTests} from "./keypair.test";
 import {runIndexTests} from "./index.test";
@@ -6,7 +6,7 @@ import {describeForAllImplementations} from "../switch";
 
 // Import test's bls lib lazily to prevent breaking test with Karma
 describeForAllImplementations((bls) => {
-  runPrivateKeyTests(bls);
+  runSecretKeyTests(bls);
   runPublicKeyTests(bls);
   // runKeypairTests(bls);
   runIndexTests(bls);

test/unit/run-web-implementation.test.ts

@@ -1,5 +1,5 @@
 import herumi from "../../src/herumi";
-import {runPrivateKeyTests} from "./privateKey.test";
+import {runSecretKeyTests} from "./secretKey.test";
 import {runPublicKeyTests} from "./publicKey.test";
 // import {runKeypairTests} from "./keypair.test";
 import {runIndexTests} from "./index.test";
@@ -14,7 +14,7 @@ describe("herumi", () => {
     await herumi.init();
   });
 
-  runPrivateKeyTests(herumi);
+  runSecretKeyTests(herumi);
   runPublicKeyTests(herumi);
   // runKeypairTests(bls);
   runIndexTests(herumi);

test/unit/secretKey.test.ts

@@ -0,0 +1,26 @@
+import {expect} from "chai";
+import {IBls} from "../../src/interface";
+
+export function runSecretKeyTests(bls: IBls): void {
+  describe("SecretKey", () => {
+    it("should generate fromKeygen secret key", () => {
+      const secretKey1 = bls.SecretKey.fromKeygen();
+      const secretKey2 = bls.SecretKey.fromKeygen();
+      expect(secretKey1.toHex()).to.not.be.equal(secretKey2.toHex());
+    });
+
+    const secretKey = "0x07656fd676da43883d163f49566c72b9cbf0a5a294f26808c807700732456da7";
+
+    it("should export secret key to hex string", () => {
+      expect(bls.SecretKey.fromHex(secretKey).toHex()).to.be.equal(secretKey);
+    });
+
+    it("should export secret key to hex string from non-prefixed hex", () => {
+      expect(bls.SecretKey.fromHex(secretKey).toHex()).to.be.equal(secretKey);
+    });
+
+    it("should not accept too short secret key", () => {
+      expect(() => bls.SecretKey.fromHex("0x2123")).to.throw();
+    });
+  });
+}