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fix(ext/crypto): fix identity test for x25519 derive bits (#26011)

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Divy Srivastava 2024-10-03 16:46:48 +05:30 committed by GitHub
parent ac73b1042b
commit e54809f2d5
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3 changed files with 46 additions and 70 deletions
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4
ext/crypto/x25519.rs
View file

@ -47,10 +47,10 @@ pub fn op_crypto_derive_bits_x25519(
let sh_sec = x25519_dalek::x25519(k, u);
let point = MontgomeryPoint(sh_sec);
if point.ct_eq(&MONTGOMERY_IDENTITY).unwrap_u8() == 1 {
return false;
return true;
}
secret.copy_from_slice(&sh_sec);
true
false
}
// id-X25519 OBJECT IDENTIFIER ::= { 1 3 101 110 }

40
tests/unit/webcrypto_test.ts
View file

@ -2045,3 +2045,43 @@ Deno.test(async function p521Generate() {
assert(key.privateKey instanceof CryptoKey);
assert(key.publicKey instanceof CryptoKey);
});
Deno.test(async function x25519SharedSecret() {
const alicesKeyPair = await crypto.subtle.generateKey(
{
name: "X25519",
},
false,
["deriveBits"],
) as CryptoKeyPair;
const bobsKeyPair = await crypto.subtle.generateKey(
{
name: "X25519",
},
false,
["deriveBits"],
) as CryptoKeyPair;
const sharedSecret1 = await crypto.subtle.deriveBits(
{
name: "X25519",
public: bobsKeyPair.publicKey,
},
alicesKeyPair.privateKey,
128,
);
const sharedSecret2 = await crypto.subtle.deriveBits(
{
name: "X25519",
public: alicesKeyPair.publicKey,
},
bobsKeyPair.privateKey,
128,
);
assertEquals(sharedSecret1.byteLength, sharedSecret2.byteLength);
assertEquals(sharedSecret1.byteLength, 16);
assertEquals(new Uint8Array(sharedSecret1), new Uint8Array(sharedSecret2));
});

72
tests/wpt/runner/expectation.json
View file

@ -54,23 +54,12 @@
"pbkdf2.https.any.worker.html?7001-8000": true,
"pbkdf2.https.any.worker.html?8001-last": true,
"cfrg_curves_bits.https.any.html": [
"X25519 key derivation checks for all-zero value result with a key of order 0",
"X25519 key derivation checks for all-zero value result with a key of order 1",
"X25519 key derivation checks for all-zero value result with a key of order 8",
"X25519 key derivation checks for all-zero value result with a key of order p-1 (order 2)",
"X25519 key derivation checks for all-zero value result with a key of order p (=0, order 4)",
"X25519 key derivation checks for all-zero value result with a key of order p+1 (=1, order 1)",
"X448 key derivation checks for all-zero value result with a key of order 0",
"X448 key derivation checks for all-zero value result with a key of order 1",
"X448 key derivation checks for all-zero value result with a key of order p-1 (order 2)",
"X448 key derivation checks for all-zero value result with a key of order p (=0, order 4)",
"X448 key derivation checks for all-zero value result with a key of order p+1 (=1, order 1)",
"X25519 good parameters",
"X25519 mixed case parameters",
"X25519 short result",
"X25519 non-multiple of 8 bits",
"X25519 mismatched algorithms",
"X25519 no deriveBits usage for base key",
"X448 good parameters",
"X448 mixed case parameters",
"X448 short result",
@ -83,23 +72,12 @@
"X448 asking for too many bits"
],
"cfrg_curves_bits.https.any.worker.html": [
"X25519 key derivation checks for all-zero value result with a key of order 0",
"X25519 key derivation checks for all-zero value result with a key of order 1",
"X25519 key derivation checks for all-zero value result with a key of order 8",
"X25519 key derivation checks for all-zero value result with a key of order p-1 (order 2)",
"X25519 key derivation checks for all-zero value result with a key of order p (=0, order 4)",
"X25519 key derivation checks for all-zero value result with a key of order p+1 (=1, order 1)",
"X448 key derivation checks for all-zero value result with a key of order 0",
"X448 key derivation checks for all-zero value result with a key of order 1",
"X448 key derivation checks for all-zero value result with a key of order p-1 (order 2)",
"X448 key derivation checks for all-zero value result with a key of order p (=0, order 4)",
"X448 key derivation checks for all-zero value result with a key of order p+1 (=1, order 1)",
"X25519 good parameters",
"X25519 mixed case parameters",
"X25519 short result",
"X25519 non-multiple of 8 bits",
"X25519 mismatched algorithms",
"X25519 no deriveBits usage for base key",
"X448 good parameters",
"X448 mixed case parameters",
"X448 short result",
@ -112,21 +90,12 @@
"X448 asking for too many bits"
],
"cfrg_curves_keys.https.any.html": [
"X25519 deriveBits checks for all-zero value result with a key of order 0",
"X25519 deriveBits checks for all-zero value result with a key of order 1",
"X25519 deriveBits checks for all-zero value result with a key of order 8",
"X25519 deriveBits checks for all-zero value result with a key of order p-1 (order 2)",
"X25519 deriveBits checks for all-zero value result with a key of order p (=0, order 4)",
"X25519 deriveBits checks for all-zero value result with a key of order p+1 (=1, order 1)",
"X448 deriveBits checks for all-zero value result with a key of order 0",
"X448 deriveBits checks for all-zero value result with a key of order 1",
"X448 deriveBits checks for all-zero value result with a key of order p-1 (order 2)",
"X448 deriveBits checks for all-zero value result with a key of order p (=0, order 4)",
"X448 deriveBits checks for all-zero value result with a key of order p+1 (=1, order 1)",
"Key derivation using a X25519 generated keys.",
"Key derivation using a X448 generated keys.",
"X25519 good parameters",
"X25519 mixed case parameters",
"X25519 mismatched algorithms",
"X448 good parameters",
"X448 mixed case parameters",
@ -137,21 +106,12 @@
"X448 public property value is a secret key"
],
"cfrg_curves_keys.https.any.worker.html": [
"X25519 deriveBits checks for all-zero value result with a key of order 0",
"X25519 deriveBits checks for all-zero value result with a key of order 1",
"X25519 deriveBits checks for all-zero value result with a key of order 8",
"X25519 deriveBits checks for all-zero value result with a key of order p-1 (order 2)",
"X25519 deriveBits checks for all-zero value result with a key of order p (=0, order 4)",
"X25519 deriveBits checks for all-zero value result with a key of order p+1 (=1, order 1)",
"X448 deriveBits checks for all-zero value result with a key of order 0",
"X448 deriveBits checks for all-zero value result with a key of order 1",
"X448 deriveBits checks for all-zero value result with a key of order p-1 (order 2)",
"X448 deriveBits checks for all-zero value result with a key of order p (=0, order 4)",
"X448 deriveBits checks for all-zero value result with a key of order p+1 (=1, order 1)",
"Key derivation using a X25519 generated keys.",
"Key derivation using a X448 generated keys.",
"X25519 good parameters",
"X25519 mixed case parameters",
"X25519 mismatched algorithms",
"X448 good parameters",
"X448 mixed case parameters",
@ -161,20 +121,8 @@
"X448 public property value is a private key",
"X448 public property value is a secret key"
],
"derived_bits_length.https.any.html": [
"X25519 derivation with 256 as 'length' parameter",
"X25519 derivation with 0 as 'length' parameter",
"X25519 derivation with null as 'length' parameter",
"X25519 derivation with undefined as 'length' parameter",
"X25519 derivation with omitted as 'length' parameter"
],
"derived_bits_length.https.any.worker.html": [
"X25519 derivation with 256 as 'length' parameter",
"X25519 derivation with 0 as 'length' parameter",
"X25519 derivation with null as 'length' parameter",
"X25519 derivation with undefined as 'length' parameter",
"X25519 derivation with omitted as 'length' parameter"
]
"derived_bits_length.https.any.html": true,
"derived_bits_length.https.any.worker.html": true
},
"digest": {
"digest.https.any.html": true,
@ -1530,20 +1478,8 @@
"crypto-subtle-secure-context-available.https.sub.html": true
},
"wrapKey_unwrapKey": {
"wrapKey_unwrapKey.https.any.html": [
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and AES-CTR",
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and AES-CBC",
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and AES-GCM",
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and AES-KW",
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and RSA-OAEP"
],
"wrapKey_unwrapKey.https.any.worker.html": [
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and AES-CTR",
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and AES-CBC",
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and AES-GCM",
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and AES-KW",
"Can wrap and unwrap X25519 private key keys as non-extractable using pkcs8 and RSA-OAEP"
]
"wrapKey_unwrapKey.https.any.html": true,
"wrapKey_unwrapKey.https.any.worker.html": true
}
},
"console": {