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add fe25519_25 constants

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This commit is contained in:
Christophe Diederichs 2022-11-21 17:16:13 +00:00
parent 056b13362b
commit dbc8196148
1 changed files with 21 additions and 7 deletions
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28
fe25519_25.js
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@ -71,7 +71,13 @@ function fe25519_pow22523 (h, f) {
const base = require('./fe25519_25/base.json').map(a => a.map(b => ge2(b))) const base = require('./fe25519_25/base.json').map(a => a.map(b => ge2(b)))
const printbuf =Buffer.alloc(32) const printbuf =Buffer.alloc(32)
const ed25519_A_32 = 486662 const fe25519_sqrtm1 = fe25519([
-32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482
])
const ed25519_sqrtam2 = fe25519([
-12222970, -8312128, -11511410, 9067497, -15300785, -241793, 25456130, 14121551, -12187136, 3972024
])
const ed25519_d = fe25519([ const ed25519_d = fe25519([
-10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116 -10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116
@ -81,16 +87,14 @@ const ed25519_d2 = fe25519([
-21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199 -21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199
]) ])
const ed25519_A_32 = 486662
const ed25519_A = fe25519([ const ed25519_A = fe25519([
ed25519_A_32, 0, 0, 0, 0, 0, 0, 0, 0, 0 ed25519_A_32, 0, 0, 0, 0, 0, 0, 0, 0, 0
]) ])
const fe25519_sqrtm1 = fe25519([ /* sqrt(ad - 1) with a = -1 (mod p) */
-32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482 const ed25519_sqrtadm1 = fe25519([
]) 24849947, -153582, -23613485, 6347715, -21072328, -667138, -25271143, -15367704, -870347, 14525639
const ed25519_sqrtam2 = fe25519([
-12222970, -8312128, -11511410, 9067497, -15300785, -241793, 25456130, 14121551, -12187136, 3972024
]) ])
/* 1 / sqrt(a - d) */ /* 1 / sqrt(a - d) */
@ -98,6 +102,16 @@ const ed25519_invsqrtamd = fe25519([
6111485, 4156064, -27798727, 12243468, -25904040, 120897, 20826367, -7060776, 6093568, -1986012 6111485, 4156064, -27798727, 12243468, -25904040, 120897, 20826367, -7060776, 6093568, -1986012
]) ])
/* 1 - d ^ 2 */
const ed25519_onemsqd = fe25519([
6275446, -16617371, -22938544, -3773710, 11667077, 7397348, -27922721, 1766195, -24433858, 672203
])
/* (d - 1) ^ 2 */
const ed25519_sqdmone = fe25519([
15551795, -11097455, -13425098, -10125071, -11896535, 10178284, -26634327, 4729244, -5282110, -10116402
])
const one = fe25519() const one = fe25519()
fe25519_1(one) fe25519_1(one)
const basepoint = Buffer.alloc(32) const basepoint = Buffer.alloc(32)