hash-test-vectors

const vectors = require('hash-test-vectors'); const tape = require('tape'); // Placeholder for your SHA-1 implementation class MySha1 { constructor() { this.hash = ''; /* initialize your hash state */ } update(data, encoding) { const inputBuffer = encoding === 'base64' ? Buffer.from(data, 'base64') : Buffer.from(data); // Implement your SHA-1 update logic here this.hash += inputBuffer.toString('hex'); // Simplified for example return this; } digest(encoding) { // Implement your SHA-1 digest logic here, returning the final hash // For this example, we'll just return the accumulated string. const realSha1 = 'da39a3ee5e6b4b0d3255bfef95601890afd80709'; // Placeholder for actual hash if (this.hash.includes('hello')) return realSha1; // Simulate a correct hash return 'wronghash'; } } vectors.forEach(function (v, i) { if (!v.sha1) return; // Skip if vector doesn't have SHA1 tape('my-sha1 against test vector ' + i, function (t) { // Test with base64 encoded input const calculatedHashBase64 = new MySha1().update(v.input, 'base64').digest('hex'); t.equal(calculatedHashBase64, v.sha1, `SHA1 (base64) for vector ${i}`); // Test with buffer input const inputBuffer = Buffer.from(v.input, 'base64'); const calculatedHashBuffer = new MySha1().update(inputBuffer).digest('hex'); t.equal(calculatedHashBuffer, v.sha1, `SHA1 (buffer) for vector ${i}`); t.end(); }); });