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Merge pull request #19650 from Snuffleupagus/shorten-crypto

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Shorten the `src/core/crypto.js` file a little bit
This commit is contained in:
Jonas Jenwald 2025-03-13 12:46:53 +01:00 • committed by GitHub
commit 78b310afb1
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2 changed files with 13 additions and 20 deletions
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27
src/core/crypto.js
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@ -916,23 +916,15 @@ class CipherTransformFactory {
cipher = new ARCFourCipher(derivedKey);
checkData = cipher.encryptBlock(checkData);
}
for (j = 0, n = checkData.length; j < n; ++j) {
if (userPassword[j] !== checkData[j]) {
return null;
}
}
} else {
cipher = new ARCFourCipher(encryptionKey);
checkData = cipher.encryptBlock(
CipherTransformFactory._defaultPasswordBytes
);
for (j = 0, n = checkData.length; j < n; ++j) {
if (userPassword[j] !== checkData[j]) {
return null;
}
}
}
return encryptionKey;
return checkData.every((data, k) => userPassword[k] === data)
? encryptionKey
: null;
}
#decodeUserPassword(password, ownerPassword, revision, keyLength) {
@ -1133,12 +1125,13 @@ class CipherTransformFactory {
perms
);
}
if (!encryptionKey && !password) {
throw new PasswordException(
"No password given",
PasswordResponses.NEED_PASSWORD
);
} else if (!encryptionKey && password) {
if (!encryptionKey) {
if (!password) {
throw new PasswordException(
"No password given",
PasswordResponses.NEED_PASSWORD
);
}
// Attempting use the password as an owner password
const decodedPassword = this.#decodeUserPassword(
passwordBytes,