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fix(ext/crypto): ECDH and X25519 non byte length and 0 length fixes (#16146)

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Filip Skokan 2022-10-04 13:24:05 +02:00 committed by GitHub
parent 8d20784f7a
commit fd08b13dff
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1 changed files with 6 additions and 9 deletions
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15
ext/crypto/00_crypto.js
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@ -27,6 +27,7 @@
Int8ArrayPrototype,
JSONParse,
JSONStringify,
MathCeil,
ObjectAssign,
ObjectPrototypeIsPrototypeOf,
StringPrototypeToLowerCase,
@ -4396,14 +4397,11 @@
// 8.
if (length === null) {
return buf.buffer;
}
if (
length === 0 || buf.buffer.byteLength * 8 < length ||
length % 8 !== 0
) {
} else if (buf.buffer.byteLength * 8 < length) {
throw new DOMException("Invalid length", "OperationError");
} else {
return buf.buffer.slice(0, MathCeil(length / 8));
}
return buf.buffer.slice(0, length / 8);
} else {
throw new DOMException("Not implemented", "NotSupportedError");
}
@ -4469,12 +4467,11 @@
if (length === null) {
return secret.buffer;
} else if (
length === 0 || secret.buffer.byteLength * 8 < length ||
secret.length * 8 < length
secret.buffer.byteLength * 8 < length
) {
throw new DOMException("Invalid length", "OperationError");
} else {
return secret.subarray(0, length / 8).buffer;
return secret.buffer.slice(0, MathCeil(length / 8));
}
}
default: