@noble/ed25519 - npm Package Compare versions

Comparing version 1.7.0 to 1.7.1

lib/esm/index.js

@@ -6,10 +6,9 @@ /*! noble-ed25519 - MIT License (c) 2019 Paul Miller (paulmillr.com) */
 const _2n = BigInt(2);
-const _255n = BigInt(255);
-const CURVE_ORDER = _2n ** BigInt(252) + BigInt('27742317777372353535851937790883648493');
+const CU_O = BigInt('7237005577332262213973186563042994240857116359379907606001950938285454250989');
 const CURVE = Object.freeze({
     a: BigInt(-1),
     d: BigInt('37095705934669439343138083508754565189542113879843219016388785533085940283555'),
-    P: _2n ** _255n - BigInt(19),
-    l: CURVE_ORDER,
-    n: CURVE_ORDER,
+    P: BigInt('57896044618658097711785492504343953926634992332820282019728792003956564819949'),
+    l: CU_O,
+    n: CU_O,
     h: BigInt(8),
@@ -20,3 +19,3 @@ Gx: BigInt('15112221349535400772501151409588531511454012693041857206046113283949847762202'),
 export { CURVE };
-const MAX_256B = _2n ** BigInt(256);
+const POW_2_256 = BigInt('0x10000000000000000000000000000000000000000000000000000000000000000');
 const SQRT_M1 = BigInt('19681161376707505956807079304988542015446066515923890162744021073123829784752');
@@ -66,7 +65,8 @@ const SQRT_D = BigInt('6853475219497561581579357271197624642482790079785650197046958215289687604742');
         const { a } = CURVE;
-        const A = mod(X1 ** _2n);
-        const B = mod(Y1 ** _2n);
-        const C = mod(_2n * mod(Z1 ** _2n));
+        const A = mod(X1 * X1);
+        const B = mod(Y1 * Y1);
+        const C = mod(_2n * mod(Z1 * Z1));
         const D = mod(a * A);
-        const E = mod(mod((X1 + Y1) ** _2n) - A - B);
+        const x1y1 = X1 + Y1;
+        const E = mod(mod(x1y1 * x1y1) - A - B);
         const G = D + B;
@@ -289,3 +289,4 @@ const F = G - C;
         const u2 = mod(x * y);
-        const { value: invsqrt } = invertSqrt(mod(u1 * u2 ** _2n));
+        const u2sq = mod(u2 * u2);
+        const { value: invsqrt } = invertSqrt(mod(u1 * u2sq));
         const D1 = mod(invsqrt * u1);
@@ -361,3 +362,3 @@ const D2 = mod(invsqrt * u2);
             throw new Error('Expected 0 < hex < P');
-        if (!strict && y >= MAX_256B)
+        if (!strict && y >= POW_2_256)
             throw new Error('Expected 0 < hex < 2**256');
@@ -501,4 +502,5 @@ const y2 = mod(y * y);
 }
+const MAX_255B = BigInt('0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff');
 function bytes255ToNumberLE(bytes) {
-    return mod(bytesToNumberLE(bytes) & (_2n ** _255n - _1n));
+    return mod(bytesToNumberLE(bytes) & MAX_255B);
 }
@@ -646,3 +648,3 @@ function mod(a, b = CURVE.P) {
         typeof key === 'bigint' || typeof key === 'number'
-            ? numberTo32BytesBE(normalizeScalar(key, MAX_256B))
+            ? numberTo32BytesBE(normalizeScalar(key, POW_2_256))
             : ensureBytes(key);
@@ -770,4 +772,6 @@ if (key.length !== 32)
         const CB = mod(C * B);
-        x_3 = mod((DA + CB) ** _2n);
-        z_3 = mod(x_1 * (DA - CB) ** _2n);
+        const dacb = DA + CB;
+        const da_cb = DA - CB;
+        x_3 = mod(dacb * dacb);
+        z_3 = mod(x_1 * mod(da_cb * da_cb));
         x_2 = mod(AA * BB);
@@ -813,2 +817,8 @@ z_2 = mod(E * (AA + mod(a24 * E)));
 export const utils = {
+    bytesToHex,
+    hexToBytes,
+    concatBytes,
+    getExtendedPublicKey,
+    mod,
+    invert,
     TORSION_SUBGROUP: [
@@ -824,8 +834,2 @@ '0100000000000000000000000000000000000000000000000000000000000000',
     ],
-    bytesToHex,
-    hexToBytes,
-    concatBytes,
-    getExtendedPublicKey,
-    mod,
-    invert,
     hashToPrivateScalar: (hash) => {
@@ -832,0 +836,0 @@ hash = ensureBytes(hash);

lib/index.d.ts

@@ -130,3 +130,2 @@ /*! noble-ed25519 - MIT License (c) 2019 Paul Miller (paulmillr.com) */
 export declare const utils: {
-    TORSION_SUBGROUP: string[];
     bytesToHex: typeof bytesToHex;
@@ -138,2 +137,3 @@ hexToBytes: typeof hexToBytes;
     invert: typeof invert;
+    TORSION_SUBGROUP: string[];
     hashToPrivateScalar: (hash: Hex) => bigint;
@@ -140,0 +140,0 @@ randomBytes: (bytesLength?: number) => Uint8Array;

lib/index.js

@@ -9,10 +9,9 @@ "use strict";
 const _2n = BigInt(2);
-const _255n = BigInt(255);
-const CURVE_ORDER = _2n ** BigInt(252) + BigInt('27742317777372353535851937790883648493');
+const CU_O = BigInt('7237005577332262213973186563042994240857116359379907606001950938285454250989');
 const CURVE = Object.freeze({
     a: BigInt(-1),
     d: BigInt('37095705934669439343138083508754565189542113879843219016388785533085940283555'),
-    P: _2n ** _255n - BigInt(19),
-    l: CURVE_ORDER,
-    n: CURVE_ORDER,
+    P: BigInt('57896044618658097711785492504343953926634992332820282019728792003956564819949'),
+    l: CU_O,
+    n: CU_O,
     h: BigInt(8),
@@ -23,3 +22,3 @@ Gx: BigInt('15112221349535400772501151409588531511454012693041857206046113283949847762202'),
 exports.CURVE = CURVE;
-const MAX_256B = _2n ** BigInt(256);
+const POW_2_256 = BigInt('0x10000000000000000000000000000000000000000000000000000000000000000');
 const SQRT_M1 = BigInt('19681161376707505956807079304988542015446066515923890162744021073123829784752');
@@ -69,7 +68,8 @@ const SQRT_D = BigInt('6853475219497561581579357271197624642482790079785650197046958215289687604742');
         const { a } = CURVE;
-        const A = mod(X1 ** _2n);
-        const B = mod(Y1 ** _2n);
-        const C = mod(_2n * mod(Z1 ** _2n));
+        const A = mod(X1 * X1);
+        const B = mod(Y1 * Y1);
+        const C = mod(_2n * mod(Z1 * Z1));
         const D = mod(a * A);
-        const E = mod(mod((X1 + Y1) ** _2n) - A - B);
+        const x1y1 = X1 + Y1;
+        const E = mod(mod(x1y1 * x1y1) - A - B);
         const G = D + B;
@@ -293,3 +293,4 @@ const F = G - C;
         const u2 = mod(x * y);
-        const { value: invsqrt } = invertSqrt(mod(u1 * u2 ** _2n));
+        const u2sq = mod(u2 * u2);
+        const { value: invsqrt } = invertSqrt(mod(u1 * u2sq));
         const D1 = mod(invsqrt * u1);
@@ -366,3 +367,3 @@ const D2 = mod(invsqrt * u2);
             throw new Error('Expected 0 < hex < P');
-        if (!strict && y >= MAX_256B)
+        if (!strict && y >= POW_2_256)
             throw new Error('Expected 0 < hex < 2**256');
@@ -507,4 +508,5 @@ const y2 = mod(y * y);
 }
+const MAX_255B = BigInt('0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff');
 function bytes255ToNumberLE(bytes) {
-    return mod(bytesToNumberLE(bytes) & (_2n ** _255n - _1n));
+    return mod(bytesToNumberLE(bytes) & MAX_255B);
 }
@@ -652,3 +654,3 @@ function mod(a, b = CURVE.P) {
         typeof key === 'bigint' || typeof key === 'number'
-            ? numberTo32BytesBE(normalizeScalar(key, MAX_256B))
+            ? numberTo32BytesBE(normalizeScalar(key, POW_2_256))
             : ensureBytes(key);
@@ -780,4 +782,6 @@ if (key.length !== 32)
         const CB = mod(C * B);
-        x_3 = mod((DA + CB) ** _2n);
-        z_3 = mod(x_1 * (DA - CB) ** _2n);
+        const dacb = DA + CB;
+        const da_cb = DA - CB;
+        x_3 = mod(dacb * dacb);
+        z_3 = mod(x_1 * mod(da_cb * da_cb));
         x_2 = mod(AA * BB);
@@ -823,2 +827,8 @@ z_2 = mod(E * (AA + mod(a24 * E)));
 exports.utils = {
+    bytesToHex,
+    hexToBytes,
+    concatBytes,
+    getExtendedPublicKey,
+    mod,
+    invert,
     TORSION_SUBGROUP: [
@@ -834,8 +844,2 @@ '0100000000000000000000000000000000000000000000000000000000000000',
     ],
-    bytesToHex,
-    hexToBytes,
-    concatBytes,
-    getExtendedPublicKey,
-    mod,
-    invert,
     hashToPrivateScalar: (hash) => {
@@ -842,0 +846,0 @@ hash = ensureBytes(hash);

package.json

 {
   "name": "@noble/ed25519",
-  "version": "1.7.0",
+  "version": "1.7.1",
   "description": "Fastest JS implementation of ed25519. Independently audited, high-security, 0-dependency EDDSA, X25519 ECDH & ristretto255",
@@ -5,0 +5,0 @@ "files": [

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Improved metrics

Total package byte prevSize

84038

increased by0.68%

Lines of code

1909

increased by0.42%

No dependency changes