merkle-tree-lib/dist/hash/strategies/Sha256Strategy.js

Merkle Tree implementation with BIP340 tagged hash support.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Sha256Strategy = void 0;
const crypto_1 = require("crypto");
/**
 * Sha256Strategy - Implementation of HashStrategy using SHA-256 algorithm
 */
class Sha256Strategy {
    /**
     * Calculate a SHA-256 hash for the input data
     *
     * @param data - The data to hash
     * @returns The computed SHA-256 hash as a Buffer
     */
    hash(data) {
        const dataBuffer = typeof data === 'string' ? Buffer.from(data, 'utf8') : data;
        return (0, crypto_1.createHash)('sha256').update(dataBuffer).digest();
    }
    /**
     * Get the algorithm name
     *
     * @returns The string "SHA-256"
     */
    getAlgorithmName() {
        return 'SHA-256';
    }
}
exports.Sha256Strategy = Sha256Strategy;