@zlattice/lattice-js/dist/cjs/crypto/crypto.js

Lattice blockchain TypeScript SDK with dual module support (CJS + ESM)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createCrypto = createCrypto;
const constants_1 = require("../common/constants.js");
const crypto_secp256k1_1 = require("./crypto-secp256k1.js");
const crypto_sm2p256v1_1 = require("./crypto-sm2p256v1.js");
const cryptoServiceMap = new Map();
/**
 * Create a new crypto service instance based on the curve
 *
 * @param curve The curve, like `Curves.Secp256k1` or `Curves.Sm2p256v1`
 * @returns The crypto service
 */
function createCrypto(curve) {
    if (cryptoServiceMap.has(curve)) {
        return cryptoServiceMap.get(curve);
    }
    switch (curve) {
        case constants_1.Curves.Secp256k1:
            cryptoServiceMap.set(curve, new crypto_secp256k1_1.NIST());
            return cryptoServiceMap.get(curve);
        case constants_1.Curves.Sm2p256v1:
            cryptoServiceMap.set(curve, new crypto_sm2p256v1_1.GM());
            return cryptoServiceMap.get(curve);
        default:
            throw new Error(`Unsupported curve: ${curve}`);
    }
}
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