Function computeOValueRc4_128

computeOValueRc4_128(
ownerPassword: ByteArray,
userPassword: ByteArray,
): Promise<ByteArray>
Computes the /O value for RC4-128 PDF encryption. The /O value is used to verify the owner password.
Parameters
- ownerPassword: ByteArray
  The owner password.
- userPassword: ByteArray
  The user password.
Returns Promise<ByteArray>
A promise that resolves to the 32-byte /O value.
Example
```
const O = await computeOValueRc4_128(ownerPassword, userPassword)
```
- Defined in packages/pdf-lite/src/crypto/key-gen/key-gen-rc4-128.ts:70