1 line
5.9 KiB
JSON
1 line
5.9 KiB
JSON
{"ast":null,"code":"'use strict';\n\nvar BN = require('bn.js');\n\nvar utils = require('../utils');\n\nvar assert = utils.assert;\nvar cachedProperty = utils.cachedProperty;\nvar parseBytes = utils.parseBytes;\n/**\n* @param {EDDSA} eddsa - eddsa instance\n* @param {Array<Bytes>|Object} sig -\n* @param {Array<Bytes>|Point} [sig.R] - R point as Point or bytes\n* @param {Array<Bytes>|bn} [sig.S] - S scalar as bn or bytes\n* @param {Array<Bytes>} [sig.Rencoded] - R point encoded\n* @param {Array<Bytes>} [sig.Sencoded] - S scalar encoded\n*/\n\nfunction Signature(eddsa, sig) {\n this.eddsa = eddsa;\n if (typeof sig !== 'object') sig = parseBytes(sig);\n\n if (Array.isArray(sig)) {\n sig = {\n R: sig.slice(0, eddsa.encodingLength),\n S: sig.slice(eddsa.encodingLength)\n };\n }\n\n assert(sig.R && sig.S, 'Signature without R or S');\n if (eddsa.isPoint(sig.R)) this._R = sig.R;\n if (sig.S instanceof BN) this._S = sig.S;\n this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded;\n this._Sencoded = Array.isArray(sig.S) ? 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