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feat(ext/crypto): support importing/exporting raw AES keys (#12392)

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Divy Srivastava 2021-10-12 19:18:08 +05:30 committed by GitHub
parent fef8b08614
commit b1e7452cd3
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2 changed files with 1026 additions and 10050 deletions
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278
ext/crypto/00_crypto.js
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@ -110,6 +110,10 @@
"HMAC": "HmacImportParams",
"HKDF": null,
"PBKDF2": null,
"AES-CTR": null,
"AES-CBC": null,
"AES-GCM": null,
"AES-KW": null,
},
"deriveBits": {
"HKDF": "HkdfParams",
@ -1370,6 +1374,228 @@
// 10.
return key;
}
case "AES-CTR": {
// 1.
if (
ArrayPrototypeFind(
keyUsages,
(u) =>
!ArrayPrototypeIncludes([
"encrypt",
"decrypt",
"wrapKey",
"unwrapKey",
], u),
) !== undefined
) {
throw new DOMException("Invalid key usages", "SyntaxError");
}
// 2.
switch (format) {
case "raw": {
// 2.
if (
!ArrayPrototypeIncludes([128, 192, 256], keyData.byteLength * 8)
) {
throw new DOMException("Invalid key length", "Datarror");
}
break;
}
default:
throw new DOMException("Not implemented", "NotSupportedError");
}
const handle = {};
WeakMapPrototypeSet(KEY_STORE, handle, {
type: "raw",
data: keyData,
});
// 4-7.
const algorithm = {
name: "AES-CBC",
length: keyData.byteLength * 8,
};
const key = constructKey(
"secret",
false,
usageIntersection(keyUsages, recognisedUsages),
algorithm,
handle,
);
// 8.
return key;
}
case "AES-CBC": {
// 1.
if (
ArrayPrototypeFind(
keyUsages,
(u) =>
!ArrayPrototypeIncludes([
"encrypt",
"decrypt",
"wrapKey",
"unwrapKey",
], u),
) !== undefined
) {
throw new DOMException("Invalid key usages", "SyntaxError");
}
// 2.
switch (format) {
case "raw": {
// 2.
if (
!ArrayPrototypeIncludes([128, 192, 256], keyData.byteLength * 8)
) {
throw new DOMException("Invalid key length", "Datarror");
}
break;
}
default:
throw new DOMException("Not implemented", "NotSupportedError");
}
const handle = {};
WeakMapPrototypeSet(KEY_STORE, handle, {
type: "raw",
data: keyData,
});
// 4-7.
const algorithm = {
name: "AES-CTR",
length: keyData.byteLength * 8,
};
const key = constructKey(
"secret",
false,
usageIntersection(keyUsages, recognisedUsages),
algorithm,
handle,
);
// 8.
return key;
}
case "AES-GCM": {
// 1.
if (
ArrayPrototypeFind(
keyUsages,
(u) =>
!ArrayPrototypeIncludes([
"encrypt",
"decrypt",
"wrapKey",
"unwrapKey",
], u),
) !== undefined
) {
throw new DOMException("Invalid key usages", "SyntaxError");
}
// 2.
switch (format) {
case "raw": {
// 2.
if (
!ArrayPrototypeIncludes([128, 192, 256], keyData.byteLength * 8)
) {
throw new DOMException("Invalid key length", "Datarror");
}
break;
}
default:
throw new DOMException("Not implemented", "NotSupportedError");
}
const handle = {};
WeakMapPrototypeSet(KEY_STORE, handle, {
type: "raw",
data: keyData,
});
// 4-7.
const algorithm = {
name: "AES-GCM",
length: keyData.byteLength * 8,
};
const key = constructKey(
"secret",
false,
usageIntersection(keyUsages, recognisedUsages),
algorithm,
handle,
);
// 8.
return key;
}
case "AES-KW": {
// 1.
if (
ArrayPrototypeFind(
keyUsages,
(u) =>
!ArrayPrototypeIncludes([
"wrapKey",
"unwrapKey",
], u),
) !== undefined
) {
throw new DOMException("Invalid key usages", "SyntaxError");
}
// 2.
switch (format) {
case "raw": {
// 2.
if (
!ArrayPrototypeIncludes([128, 192, 256], keyData.byteLength * 8)
) {
throw new DOMException("Invalid key length", "Datarror");
}
break;
}
default:
throw new DOMException("Not implemented", "NotSupportedError");
}
const handle = {};
WeakMapPrototypeSet(KEY_STORE, handle, {
type: "raw",
data: keyData,
});
// 4-7.
const algorithm = {
name: "AES-KW",
length: keyData.byteLength * 8,
};
const key = constructKey(
"secret",
false,
usageIntersection(keyUsages, recognisedUsages),
algorithm,
handle,
);
// 8.
return key;
}
default:
throw new DOMException("Not implemented", "NotSupportedError");
}
@ -1609,6 +1835,58 @@
throw new DOMException("Not implemented", "NotSupportedError");
}
}
case "AES-CTR": {
switch (format) {
// 2.
case "raw": {
// 1.
const data = innerKey.data;
// 2.
return data.buffer;
}
default:
throw new DOMException("Not implemented", "NotSupportedError");
}
}
case "AES-CBC": {
switch (format) {
// 2.
case "raw": {
// 1.
const data = innerKey.data;
// 2.
return data.buffer;
}
default:
throw new DOMException("Not implemented", "NotSupportedError");
}
}
case "AES-GCM": {
switch (format) {
// 2.
case "raw": {
// 1.
const data = innerKey.data;
// 2.
return data.buffer;
}
default:
throw new DOMException("Not implemented", "NotSupportedError");
}
}
case "AES-KW": {
switch (format) {
// 2.
case "raw": {
// 1.
const data = innerKey.data;
// 2.
return data.buffer;
}
default:
throw new DOMException("Not implemented", "NotSupportedError");
}
}
// TODO(@littledivy): ECDSA
default:
throw new DOMException("Not implemented", "NotSupportedError");

10798
tools/wpt/expectation.json
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