Function aes128cbcEncrypt

aes128cbcEncrypt(
    key: ByteArray,
    data: ByteArray,
    iv?: ByteArray,
): Promise<ByteArray>
Encrypts data using AES-128-CBC mode.
Parameters
- key: ByteArray
  The 16-byte encryption key.
- data: ByteArray
  The data to encrypt.
- iv: ByteArray = ...
  The 16-byte initialization vector. Defaults to zero IV.
Returns Promise<ByteArray>
A promise that resolves to the encrypted data.
Throws
Error if the key is not exactly 16 bytes.
Example
```
const encrypted = await aes128cbcEncrypt(key, plaintext, iv)
```
- Defined in packages/pdf-lite/src/utils/algos.ts:146