fn test_decode_padding()

in src/legacy.rs [251:282]

• 23 lines of code
• 1 McCabe index (conditional complexity)

    fn test_decode_padding() {
        use base64::Engine;

        // generated the content using pywebpush, which verified against the client.
        let auth_raw = "LsuUOBKVQRY6-l7_Ajo-Ag";
        let priv_key_raw = "yerDmA9uNFoaUnSt2TkWWLwPseG1qtzS2zdjUl8Z7tc";
        let pub_key_raw = "BLBlTYure2QVhJCiDt4gRL0JNmUBMxtNB5B6Z1hDg5h-Epw6mVFV4whoYGBlWNY-ENR1FObkGFyMf7-6ZMHMAxw";

        // Incoming Crypto-Key: dh=
        let dh = "BCX7KJ_1Em-LjeB56E2KDoMjKDhTaDhjv8c6dwbvZQZ_Gsfp3AT54x2zYUPcBwd1GVyGsk55ProJ98cFrVxrPz4";
        // Incoming Encryption-Key: salt=
        let salt = "x2I2OZpSCoe-Cc5UW36Nng";
        // Incoming Body (this is normally raw bytes. It's encoded here for presentation)
        let ciphertext = base64::engine::general_purpose::URL_SAFE_NO_PAD.decode("Ua3-WW5kTbt11dBTiXBP6_hLBYhBNOtDFfue5QHMTd2DicL0wutDnt5z9pjRJ76w562egPq5qro95YLnsX0NWGmDQbsQ0Azds6jcBGsxHPt0p5GELAtR4AJj2OsB_LV7dTuGHN2SqsyXLARjTFN2wsF3xWhmuw").unwrap();
        let plaintext = "Tabs are the real indent";

        let block = AesGcmEncryptedBlock::new(
            &base64::engine::general_purpose::URL_SAFE_NO_PAD
                .decode(dh)
                .unwrap(),
            &base64::engine::general_purpose::URL_SAFE_NO_PAD
                .decode(salt)
                .unwrap(),
            4096,
            ciphertext,
        )
        .unwrap();

        let result = try_decrypt_b64(priv_key_raw, pub_key_raw, auth_raw, &block).unwrap();

        assert!(result == plaintext)
    }