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50 lines
1.8 KiB
50 lines
1.8 KiB
"use strict"; |
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Object.defineProperty(exports, "__esModule", { value: true }); |
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exports.BSIGMA = void 0; |
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exports.G1s = G1s; |
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exports.G2s = G2s; |
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/** |
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* Internal helpers for blake hash. |
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* @module |
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*/ |
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const utils_ts_1 = require("./utils.js"); |
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/** |
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* Internal blake variable. |
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* For BLAKE2b, the two extra permutations for rounds 10 and 11 are SIGMA[10..11] = SIGMA[0..1]. |
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*/ |
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// prettier-ignore |
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exports.BSIGMA = Uint8Array.from([ |
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
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14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3, |
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11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4, |
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7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8, |
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9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13, |
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2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9, |
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12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11, |
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13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10, |
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6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5, |
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10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0, |
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
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14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3, |
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// Blake1, unused in others |
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11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4, |
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7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8, |
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9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13, |
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2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9, |
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]); |
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// Mixing function G splitted in two halfs |
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function G1s(a, b, c, d, x) { |
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a = (a + b + x) | 0; |
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d = (0, utils_ts_1.rotr)(d ^ a, 16); |
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c = (c + d) | 0; |
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b = (0, utils_ts_1.rotr)(b ^ c, 12); |
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return { a, b, c, d }; |
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} |
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function G2s(a, b, c, d, x) { |
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a = (a + b + x) | 0; |
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d = (0, utils_ts_1.rotr)(d ^ a, 8); |
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c = (c + d) | 0; |
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b = (0, utils_ts_1.rotr)(b ^ c, 7); |
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return { a, b, c, d }; |
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} |
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//# sourceMappingURL=_blake.js.map
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