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crypto.Utils comments updated to reflect behaviour

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This commit is contained in:
Jakub Trávník
2025-12-04 08:39:51 +01:00
parent f326f41599
commit f4df9e935d
1 changed files with 7 additions and 2 deletions
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9
app/server/utils/crypto.ts
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@@ -5,12 +5,16 @@ const algorithm = "aes-256-gcm" as const;
const keyLength = 32;
const encryptionPrefix = "encv1";
/**
* Checks if a given string is encrypted by looking for the encryption prefix.
*/
const isEncrypted = (val?: string): boolean => {
return typeof val === "string" && val.startsWith(encryptionPrefix);
};
/**
* Given a string, encrypts it using a randomly generated salt
* Given a string, encrypts it using a randomly generated salt.
* Returns the input unchanged if it's empty or already encrypted.
*/
const encrypt = async (data: string) => {
if (!data) {
@@ -35,7 +39,8 @@ const encrypt = async (data: string) => {
};
/**
* Given an encrypted string, decrypts it using the salt stored in the string
* Given an encrypted string, decrypts it using the salt stored in the string.
* Returns the input unchanged if it's not encrypted (for backward compatibility).
*/
const decrypt = async (encryptedData: string) => {
if (!isEncrypted(encryptedData)) {