fn encode_keys()

in src/aesgcm.rs [267:281]

• 13 lines of code
• 3 McCabe index (conditional complexity)

fn encode_keys(raw_key1: &[u8], raw_key2: &[u8]) -> Result<Vec<u8>> {
    let mut combined = vec![0u8; ECE_WEBPUSH_AESGCM_KEYPAIR_LENGTH];

    if raw_key1.len() > ECE_WEBPUSH_RAW_KEY_LENGTH || raw_key2.len() > ECE_WEBPUSH_RAW_KEY_LENGTH {
        return Err(Error::InvalidKeyLength);
    }
    // length prefix each key
    combined[0] = 0;
    combined[1] = 65;
    combined[2..67].copy_from_slice(raw_key1);
    combined[67] = 0;
    combined[68] = 65;
    combined[69..].copy_from_slice(raw_key2);
    Ok(combined)
}