Function decrypt

packages/database/crypto.ts:98–128

(encryptedText: string)

}

export async function decrypt(encryptedText: string): Promise<string> {
	if (!encryptedText) {
		throw new Error("Cannot decrypt empty or null text");
	}

	try {
		const encrypted = Buffer.from(encryptedText, "base64");

		const salt = encrypted.subarray(0, SALT_LENGTH);
		const iv = encrypted.subarray(SALT_LENGTH, SALT_LENGTH + IV_LENGTH);
		const content = encrypted.subarray(SALT_LENGTH + IV_LENGTH);

		const key = await deriveKey(salt);

		const decrypted = await crypto.subtle.decrypt(
			{
				name: ALGORITHM.name,
				iv,
			},
			key,
			content,
		);

		return new TextDecoder().decode(decrypted);
	} catch (error: unknown) {
		if (error instanceof Error) {
			throw new Error(`Decryption failed: ${error.message}`);
		}
		throw new Error("Decryption failed");
	}
}

const PASSWORD_KEY_LENGTH = 32;
const PASSWORD_ITERATIONS = 100000;