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test-webcrypto-export-import-ec.js
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test-webcrypto-export-import-ec.js
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'use strict';
const common = require('../common');
const fixtures = require('../common/fixtures');
if (!common.hasCrypto)
common.skip('missing crypto');
const assert = require('assert');
const crypto = require('crypto');
const { subtle } = crypto.webcrypto;
const curves = ['P-256', 'P-384', 'P-521'];
const keyData = {
'P-521': {
jwsAlg: 'ES512',
spki: Buffer.from(
'30819b301006072a8648ce3d020106052b8104002303818600040156f479f8df' +
'1e20a7ffc04ce420c3e154ae251996bee42f034b84d41b743f34e45f311b813a' +
'9cdec8cda59bbbbd31d460b3292521e7c1b722e5667c03db2fae753f01501736' +
'cfe247394320d8e4afc2fd39b5a9331061b81e2241282b9e17891822b5b79e05' +
'2f4597b59643fd39379c51bd5125c4f48bc3f025ce3cd36953286ccb38fb',
'hex'),
pkcs8: Buffer.from(
'3081ee020100301006072a8648ce3d020106052b810400230481d63081d3020' +
'101044200f408758368ba930f30f76ae054fe5cd2ce7fda2c9f76a6d436cf75' +
'd66c440bfe6331c7c172a12478193c8251487bc91263fa50217f85ff636f59c' +
'd546e3ab483b4a1818903818600040156f479f8df1e20a7ffc04ce420c3e154' +
'ae251996bee42f034b84d41b743f34e45f311b813a9cdec8cda59bbbbd31d46' +
'0b3292521e7c1b722e5667c03db2fae753f01501736cfe247394320d8e4afc2' +
'fd39b5a9331061b81e2241282b9e17891822b5b79e052f4597b59643fd39379' +
'c51bd5125c4f48bc3f025ce3cd36953286ccb38fb', 'hex'),
jwk: {
kty: 'EC',
crv: 'P-521',
x: 'AVb0efjfHiCn_8BM5CDD4VSuJRmWvuQvA0uE1Bt0PzTkXzEbgTqc3sjN' +
'pZu7vTHUYLMpJSHnwbci5WZ8A9svrnU_',
y: 'AVAXNs_iRzlDINjkr8L9ObWpMxBhuB4iQSgrnheJGCK1t54FL0W' +
'XtZZD_Tk3nFG9USXE9IvD8CXOPNNpUyhsyzj7',
d: 'APQIdYNoupMPMPdq4FT-XNLOf9osn3am1DbPddZsRAv-YzHHw' +
'XKhJHgZPIJRSHvJEmP6UCF_hf9jb1nNVG46tIO0'
}
},
'P-384': {
jwsAlg: 'ES384',
spki: Buffer.from(
'3076301006072a8648ce3d020106052b8104002203620004219c14d66617b36e' +
'c6d8856b385b73a74d344fd8ae75ef046435dda54e3b44bd5fbdebd1d08dd69e' +
'2d7dc1dc218cb435bd28138cc778337a842f6bd61b240e74249f24667c2a5810' +
'a76bfc28e0335f88a6501dec01976da85afb00869cb6ace8', 'hex'),
pkcs8: Buffer.from(
'3081b6020100301006072a8648ce3d020106052b8104002204819e30819b0201' +
'0104304537b5990784d3c2d22e96a8f92fa1aa492ee873e576a41582e144183c' +
'9888d10e6b9eb4ced4b2cc4012e4ac5ea84073a16403620004219c14d66617b3' +
'6ec6d8856b385b73a74d344fd8ae75ef046435dda54e3b44bd5fbdebd1d08dd6' +
'9e2d7dc1dc218cb435bd28138cc778337a842f6bd61b240e74249f24667c2a58' +
'10a76bfc28e0335f88a6501dec01976da85afb00869cb6ace8', 'hex'),
jwk: {
kty: 'EC',
crv: 'P-384',
x: 'IZwU1mYXs27G2IVrOFtzp000T9iude8EZDXdpU47RL1fvevR0I3Wni19wdwhjLQ1',
y: 'vSgTjMd4M3qEL2vWGyQOdCSfJGZ8KlgQp2v8KOAzX4imUB3sAZdtqFr7AIactqzo',
d: 'RTe1mQeE08LSLpao-S-hqkku6HPldqQVguFEGDyYiNEOa560ztSyzEAS5KxeqEBz'
}
},
'P-256': {
jwsAlg: 'ES256',
spki: Buffer.from(
'3059301306072a8648ce3d020106082a8648ce3d03010703420004d6e8328a95' +
'fe29afcdc30977b9251efbb219022807f6b14bb34695b6b4bdb93ee6684548a4' +
'ad13c49d00433c45315e8274f3540f58f5d79ef7a1b184f4c21d17', 'hex'),
pkcs8: Buffer.from(
'308187020100301306072a8648ce3d020106082a8648ce3d030107046d306b02' +
'010104202bc2eda265e46866efa8f8f99da993175b6c85c246e15dceaed7e307' +
'0f13fbf8a14403420004d6e8328a95fe29afcdc30977b9251efbb219022807f6' +
'b14bb34695b6b4bdb93ee6684548a4ad13c49d00433c45315e8274f3540f58f5' +
'd79ef7a1b184f4c21d17', 'hex'),
jwk: {
kty: 'EC',
crv: 'P-256',
x: '1ugyipX-Ka_Nwwl3uSUe-7IZAigH9rFLs0aVtrS9uT4',
y: '5mhFSKStE8SdAEM8RTFegnTzVA9Y9dee96GxhPTCHRc',
d: 'K8LtomXkaGbvqPj5namTF1tshcJG4V3OrtfjBw8T-_g'
}
},
};
const testVectors = [
{
name: 'ECDSA',
privateUsages: ['sign'],
publicUsages: ['verify']
},
{
name: 'ECDH',
privateUsages: ['deriveKey', 'deriveBits'],
publicUsages: []
},
];
async function testImportSpki({ name, publicUsages }, namedCurve, extractable) {
const key = await subtle.importKey(
'spki',
keyData[namedCurve].spki,
{ name, namedCurve },
extractable,
publicUsages);
assert.strictEqual(key.type, 'public');
assert.strictEqual(key.extractable, extractable);
assert.deepStrictEqual(key.usages, publicUsages);
assert.deepStrictEqual(key.algorithm.name, name);
assert.deepStrictEqual(key.algorithm.namedCurve, namedCurve);
if (extractable) {
// Test the roundtrip
const spki = await subtle.exportKey('spki', key);
assert.strictEqual(
Buffer.from(spki).toString('hex'),
keyData[namedCurve].spki.toString('hex'));
} else {
await assert.rejects(
subtle.exportKey('spki', key), {
message: /key is not extractable/
});
}
// Bad usage
await assert.rejects(
subtle.importKey(
'spki',
keyData[namedCurve].spki,
{ name, namedCurve },
extractable,
['wrapKey']),
{ message: /Unsupported key usage/ });
}
async function testImportPkcs8(
{ name, privateUsages },
namedCurve,
extractable) {
const key = await subtle.importKey(
'pkcs8',
keyData[namedCurve].pkcs8,
{ name, namedCurve },
extractable,
privateUsages);
assert.strictEqual(key.type, 'private');
assert.strictEqual(key.extractable, extractable);
assert.deepStrictEqual(key.usages, privateUsages);
assert.deepStrictEqual(key.algorithm.name, name);
assert.deepStrictEqual(key.algorithm.namedCurve, namedCurve);
if (extractable) {
// Test the roundtrip
const pkcs8 = await subtle.exportKey('pkcs8', key);
assert.strictEqual(
Buffer.from(pkcs8).toString('hex'),
keyData[namedCurve].pkcs8.toString('hex'));
} else {
await assert.rejects(
subtle.exportKey('pkcs8', key), {
message: /key is not extractable/
});
}
await assert.rejects(
subtle.importKey(
'pkcs8',
keyData[namedCurve].pkcs8,
{ name, namedCurve },
extractable,
[/* empty usages */]),
{ name: 'SyntaxError', message: 'Usages cannot be empty when importing a private key.' });
}
async function testImportJwk(
{ name, publicUsages, privateUsages },
namedCurve,
extractable) {
const jwk = keyData[namedCurve].jwk;
const [
publicKey,
privateKey,
] = await Promise.all([
subtle.importKey(
'jwk',
{
kty: jwk.kty,
crv: jwk.crv,
x: jwk.x,
y: jwk.y,
},
{ name, namedCurve },
extractable, publicUsages),
subtle.importKey(
'jwk',
jwk,
{ name, namedCurve },
extractable,
privateUsages),
subtle.importKey(
'jwk',
{
alg: name === 'ECDSA' ? keyData[namedCurve].jwsAlg : 'ECDH-ES',
kty: jwk.kty,
crv: jwk.crv,
x: jwk.x,
y: jwk.y,
},
{ name, namedCurve },
extractable, publicUsages),
subtle.importKey(
'jwk',
{
...jwk,
alg: name === 'ECDSA' ? keyData[namedCurve].jwsAlg : 'ECDH-ES',
},
{ name, namedCurve },
extractable,
privateUsages),
]);
assert.strictEqual(publicKey.type, 'public');
assert.strictEqual(privateKey.type, 'private');
assert.strictEqual(publicKey.extractable, extractable);
assert.strictEqual(privateKey.extractable, extractable);
assert.deepStrictEqual(publicKey.usages, publicUsages);
assert.deepStrictEqual(privateKey.usages, privateUsages);
assert.strictEqual(publicKey.algorithm.name, name);
assert.strictEqual(privateKey.algorithm.name, name);
assert.strictEqual(publicKey.algorithm.namedCurve, namedCurve);
assert.strictEqual(privateKey.algorithm.namedCurve, namedCurve);
if (extractable) {
// Test the round trip
const [
pubJwk,
pvtJwk,
] = await Promise.all([
subtle.exportKey('jwk', publicKey),
subtle.exportKey('jwk', privateKey),
]);
assert.deepStrictEqual(pubJwk.key_ops, publicUsages);
assert.strictEqual(pubJwk.ext, true);
assert.strictEqual(pubJwk.kty, 'EC');
assert.strictEqual(pubJwk.x, jwk.x);
assert.strictEqual(pubJwk.y, jwk.y);
assert.strictEqual(pubJwk.crv, jwk.crv);
assert.deepStrictEqual(pvtJwk.key_ops, privateUsages);
assert.strictEqual(pvtJwk.ext, true);
assert.strictEqual(pvtJwk.kty, 'EC');
assert.strictEqual(pvtJwk.x, jwk.x);
assert.strictEqual(pvtJwk.y, jwk.y);
assert.strictEqual(pvtJwk.crv, jwk.crv);
assert.strictEqual(pvtJwk.d, jwk.d);
} else {
await assert.rejects(
subtle.exportKey('jwk', publicKey), {
message: /key is not extractable/
});
await assert.rejects(
subtle.exportKey('jwk', privateKey), {
message: /key is not extractable/
});
}
{
const invalidUse = name === 'ECDH' ? 'sig' : 'enc';
await assert.rejects(
subtle.importKey(
'jwk',
{ ...jwk, use: invalidUse },
{ name, namedCurve },
extractable,
privateUsages),
{ message: 'Invalid JWK "use" Parameter' });
}
if (name === 'ECDSA') {
await assert.rejects(
subtle.importKey(
'jwk',
{ kty: jwk.kty, x: jwk.x, y: jwk.y, crv: jwk.crv, alg: jwk.crv === 'P-256' ? 'ES384' : 'ES256' },
{ name, namedCurve },
extractable,
publicUsages),
{ message: 'JWK "alg" does not match the requested algorithm' });
await assert.rejects(
subtle.importKey(
'jwk',
{ ...jwk, alg: jwk.crv === 'P-256' ? 'ES384' : 'ES256' },
{ name, namedCurve },
extractable,
privateUsages),
{ message: 'JWK "alg" does not match the requested algorithm' });
}
for (const crv of [undefined, namedCurve === 'P-256' ? 'P-384' : 'P-256']) {
await assert.rejects(
subtle.importKey(
'jwk',
{ kty: jwk.kty, x: jwk.x, y: jwk.y, crv },
{ name, namedCurve },
extractable,
publicUsages),
{ message: 'JWK "crv" does not match the requested algorithm' });
await assert.rejects(
subtle.importKey(
'jwk',
{ ...jwk, crv },
{ name, namedCurve },
extractable,
privateUsages),
{ message: 'JWK "crv" does not match the requested algorithm' });
}
await assert.rejects(
subtle.importKey(
'jwk',
{ ...jwk },
{ name, namedCurve },
extractable,
[/* empty usages */]),
{ name: 'SyntaxError', message: 'Usages cannot be empty when importing a private key.' });
}
async function testImportRaw({ name, publicUsages }, namedCurve) {
const jwk = keyData[namedCurve].jwk;
const [publicKey] = await Promise.all([
subtle.importKey(
'raw',
Buffer.concat([
Buffer.alloc(1, 0x04),
Buffer.from(jwk.x, 'base64url'),
Buffer.from(jwk.y, 'base64url'),
]),
{ name, namedCurve },
true, publicUsages),
subtle.importKey(
'raw',
Buffer.concat([
Buffer.alloc(1, 0x03),
Buffer.from(jwk.x, 'base64url'),
]),
{ name, namedCurve },
true, publicUsages),
]);
assert.strictEqual(publicKey.type, 'public');
assert.deepStrictEqual(publicKey.usages, publicUsages);
assert.strictEqual(publicKey.algorithm.name, name);
assert.strictEqual(publicKey.algorithm.namedCurve, namedCurve);
}
(async function() {
const tests = [];
testVectors.forEach((vector) => {
curves.forEach((namedCurve) => {
[true, false].forEach((extractable) => {
tests.push(testImportSpki(vector, namedCurve, extractable));
tests.push(testImportPkcs8(vector, namedCurve, extractable));
tests.push(testImportJwk(vector, namedCurve, extractable));
});
tests.push(testImportRaw(vector, namedCurve));
});
});
await Promise.all(tests);
})().then(common.mustCall());
// https://github.com/nodejs/node/issues/45859
(async function() {
const compressed = Buffer.from([48, 57, 48, 19, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 8, 42, 134, 72, 206, 61, 3, 1, 7, 3, 34, 0, 2, 210, 16, 176, 166, 249, 217, 240, 18, 134, 128, 88, 180, 63, 164, 244, 113, 1, 133, 67, 187, 160, 12, 146, 80, 223, 146, 87, 194, 172, 174, 93, 209]); // eslint-disable-line max-len
const uncompressed = Buffer.from([48, 89, 48, 19, 6, 7, 42, 134, 72, 206, 61, 2, 1, 6, 8, 42, 134, 72, 206, 61, 3, 1, 7, 3, 66, 0, 4, 210, 16, 176, 166, 249, 217, 240, 18, 134, 128, 88, 180, 63, 164, 244, 113, 1, 133, 67, 187, 160, 12, 146, 80, 223, 146, 87, 194, 172, 174, 93, 209, 206, 3, 117, 82, 212, 129, 69, 12, 227, 155, 77, 16, 149, 112, 27, 23, 91, 250, 179, 75, 142, 108, 9, 158, 24, 241, 193, 152, 53, 131, 97, 232]); // eslint-disable-line max-len
for (const name of ['ECDH', 'ECDSA']) {
const options = { name, namedCurve: 'P-256' };
const key = await subtle.importKey('spki', compressed, options, true, []);
const spki = await subtle.exportKey('spki', key);
assert.deepStrictEqual(uncompressed, Buffer.from(spki));
}
})().then(common.mustCall());
{
const rsaPublic = crypto.createPublicKey(
fixtures.readKey('rsa_public_2048.pem'));
const rsaPrivate = crypto.createPrivateKey(
fixtures.readKey('rsa_private_2048.pem'));
for (const [name, publicUsages, privateUsages] of [
['ECDSA', ['verify'], ['sign']],
['ECDH', [], ['deriveBits', 'deriveBits']],
]) {
assert.rejects(subtle.importKey(
'spki',
rsaPublic.export({ format: 'der', type: 'spki' }),
{ name, hash: 'SHA-256', namedCurve: 'P-256' },
true, publicUsages), { message: /Invalid key type/ });
assert.rejects(subtle.importKey(
'pkcs8',
rsaPrivate.export({ format: 'der', type: 'pkcs8' }),
{ name, hash: 'SHA-256', namedCurve: 'P-256' },
true, privateUsages), { message: /Invalid key type/ });
}
}