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crypto: fix webcrypto Curve25519 and Curve448 spki/pkcs8 imports #40131

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crypto: fix webcrypto Curve25519 and Curve448 spki/pkcs8 imports #40131

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b2c014e
crypto: fix webcrypto ed(25519|448) spki/pkcs8 import
panva Sep 16, 2021
5c02e77
fixup! crypto: fix webcrypto ed(25519|448) spki/pkcs8 import
panva Sep 17, 2021
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30 changes: 11 additions & 19 deletions lib/internal/crypto/ec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -269,14 +269,12 @@ async function ecImportKey(
case 'NODE-X25519':
// Fall through
case 'NODE-X448':
checkNamedCurve = false;
if (algorithm.name !== 'ECDH')
throw lazyDOMException('Invalid algorithm name.', 'DataError');
break;
case 'NODE-ED25519':
// Fall through
case 'NODE-ED448':
checkNamedCurve = false;
if (algorithm.name !== namedCurve)
throw lazyDOMException('Invalid algorithm name.', 'DataError');
break;
Expand Down Expand Up @@ -310,7 +308,6 @@ async function ecImportKey(
throw lazyDOMException('Invalid JWK keyData', 'DataError');
switch (keyData.kty) {
case 'OKP': {
checkNamedCurve = false;
const isPublic = keyData.d === undefined;

let type;
Expand Down Expand Up @@ -395,7 +392,6 @@ async function ecImportKey(
case 'NODE-X25519':
// Fall through
case 'NODE-X448':
checkNamedCurve = false;
if (algorithm.public !== undefined)
validateBoolean(algorithm.public, 'algorithm.public');
if (algorithm.name !== 'ECDH')
Expand All @@ -409,7 +405,6 @@ async function ecImportKey(
case 'NODE-ED25519':
// Fall through
case 'NODE-ED448':
checkNamedCurve = false;
if (algorithm.public !== undefined)
validateBoolean(algorithm.public, 'algorithm.public');
if (algorithm.name !== namedCurve)
Expand All @@ -436,30 +431,27 @@ async function ecImportKey(
throw lazyDOMException('Invalid key type', 'DataError');
break;
case 'ECDH':
if (
algorithm.namedCurve === 'NODE-X25519' &&
keyObject.asymmetricKeyType !== 'x25519'
) {
throw lazyDOMException('Invalid key type', 'DataError');
} else if (
algorithm.namedCurve === 'NODE-X448' &&
keyObject.asymmetricKeyType !== 'x448'
) {
throw lazyDOMException('Invalid key type', 'DataError');
} else if (
algorithm.namedCurve.startsWith('P') &&
keyObject.asymmetricKeyType !== 'ec'
) {
if (algorithm.namedCurve === 'NODE-X25519') {
if (keyObject.asymmetricKeyType !== 'x25519')
throw lazyDOMException('Invalid key type', 'DataError');
checkNamedCurve = false;
} else if (algorithm.namedCurve === 'NODE-X448') {
if (keyObject.asymmetricKeyType !== 'x448')
throw lazyDOMException('Invalid key type', 'DataError');
checkNamedCurve = false;
} else if (keyObject.asymmetricKeyType !== 'ec') {
throw lazyDOMException('Invalid key type', 'DataError');
}
break;
case 'NODE-ED25519':
if (keyObject.asymmetricKeyType !== 'ed25519')
throw lazyDOMException('Invalid key type', 'DataError');
checkNamedCurve = false;
break;
case 'NODE-ED448':
if (keyObject.asymmetricKeyType !== 'ed448')
throw lazyDOMException('Invalid key type', 'DataError');
checkNamedCurve = false;
break;
}

Expand Down
14 changes: 14 additions & 0 deletions test/parallel/test-webcrypto-ed25519-ed448.js
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Expand Up @@ -382,6 +382,20 @@ assert.rejects(
assert.strictEqual(cryptoKey.algorithm.name, namedCurve);
}, common.mustNotCall());

subtle.importKey(
keyObject.type === 'private' ? 'pkcs8' : 'spki',
keyObject.export({
format: 'der',
type: keyObject.type === 'private' ? 'pkcs8' : 'spki',
}),
{ name: namedCurve, namedCurve },
true,
keyObject.type === 'private' ? ['sign'] : ['verify'],
).then((cryptoKey) => {
assert.strictEqual(cryptoKey.type, keyObject.type);
assert.strictEqual(cryptoKey.algorithm.name, namedCurve);
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}, common.mustNotCall());

assert.rejects(
subtle.importKey(
'node.keyObject',
Expand Down
15 changes: 15 additions & 0 deletions test/parallel/test-webcrypto-x25519-x448.js
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Original file line number Diff line number Diff line change
Expand Up @@ -295,6 +295,21 @@ assert.rejects(
assert.strictEqual(cryptoKey.type, keyObject.type);
assert.strictEqual(cryptoKey.algorithm.name, 'ECDH');
}, common.mustNotCall());

subtle.importKey(
keyObject.type === 'private' ? 'pkcs8' : 'spki',
keyObject.export({
format: 'der',
type: keyObject.type === 'private' ? 'pkcs8' : 'spki',
}),
{ name: 'ECDH', namedCurve },
true,
keyObject.type === 'private' ? ['deriveBits'] : [],
).then((cryptoKey) => {
assert.strictEqual(cryptoKey.type, keyObject.type);
assert.strictEqual(cryptoKey.algorithm.name, 'ECDH');
assert.strictEqual(cryptoKey.algorithm.namedCurve, namedCurve);
}, common.mustNotCall());
}
}
}