nodejs/test/parallel/test-crypto-sign-verify.js

'use strict';
var common = require('../common');
var assert = require('assert');
var fs = require('fs');

if (!common.hasCrypto) {
  console.log('1..0 # Skipped: missing crypto');
  return;
}
var crypto = require('crypto');

// Test certificates
var certPem = fs.readFileSync(common.fixturesDir + '/test_cert.pem', 'ascii');
var keyPem = fs.readFileSync(common.fixturesDir + '/test_key.pem', 'ascii');

// Test signing and verifying
var s1 = crypto.createSign('RSA-SHA1')
               .update('Test123')
               .sign(keyPem, 'base64');
var s1stream = crypto.createSign('RSA-SHA1');
s1stream.end('Test123');
s1stream = s1stream.sign(keyPem, 'base64');
assert.equal(s1, s1stream, 'Stream produces same output');

var verified = crypto.createVerify('RSA-SHA1')
                     .update('Test')
                     .update('123')
                     .verify(certPem, s1, 'base64');
assert.strictEqual(verified, true, 'sign and verify (base 64)');

var s2 = crypto.createSign('RSA-SHA256')
               .update('Test123')
               .sign(keyPem, 'binary');
var s2stream = crypto.createSign('RSA-SHA256');
s2stream.end('Test123');
s2stream = s2stream.sign(keyPem, 'binary');
assert.equal(s2, s2stream, 'Stream produces same output');

var verified = crypto.createVerify('RSA-SHA256')
                     .update('Test')
                     .update('123')
                     .verify(certPem, s2, 'binary');
assert.strictEqual(verified, true, 'sign and verify (binary)');

var verStream = crypto.createVerify('RSA-SHA256');
verStream.write('Tes');
verStream.write('t12');
verStream.end('3');
verified = verStream.verify(certPem, s2, 'binary');
assert.strictEqual(verified, true, 'sign and verify (stream)');

var s3 = crypto.createSign('RSA-SHA1')
               .update('Test123')
               .sign(keyPem, 'buffer');
var verified = crypto.createVerify('RSA-SHA1')
                     .update('Test')
                     .update('123')
                     .verify(certPem, s3);
assert.strictEqual(verified, true, 'sign and verify (buffer)');

var verStream = crypto.createVerify('RSA-SHA1');
verStream.write('Tes');
verStream.write('t12');
verStream.end('3');
verified = verStream.verify(certPem, s3);
assert.strictEqual(verified, true, 'sign and verify (stream)');