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---
title: "Internet Protocol Security"
weight: 4
---
# Internet Protocol Security
VPP Internet Protocol Security (IPsec) performance tests are executed for the
following crypto plugins:
- `crypto_native`, used for software based crypto leveraging CPU
platform optimizations e.g. Intel's AES-NI instruction set.
- `crypto_ipsecmb`, used for hardware based crypto with Intel QAT PCIe cards.
## IPsec with VPP Native SW Crypto
CSIT implements following IPsec test cases relying on VPP native crypto
(`crypto_native` plugin):
**VPP Crypto Engine** | **ESP Encryption** | **ESP Integrity** | **Scale Tested**
----------------------:|-------------------:|------------------:|-----------------:
crypto_native | AES[128\|256]-GCM | GCM | 1 to 60k tunnels
crypto_native | AES128-CBC | SHA[256\|512] | 1 to 60k tunnels
VPP IPsec with SW crypto are executed in both tunnel and policy modes,
with tests running on 3-node testbeds: 3n-icx, 3n-tsh.
## IPsec with Intel QAT HW
CSIT implements following IPsec test cases relying on ipsecmb library
(`crypto_ipsecmb` plugin) and Intel QAT 8950 (50G HW crypto card):
dpdk_cryptodev
**VPP Crypto Engine** | **VPP Crypto Workers** | **ESP Encryption** | **ESP Integrity** | **Scale Tested**
----------------------:|-----------------------:|-------------------:|------------------:|-----------------:
crypto_ipsecmb | sync/all workers | AES[128\|256]-GCM | GCM | 1, 1k tunnels
crypto_ipsecmb | sync/all workers | AES[128]-CBC | SHA[256\|512] | 1, 1k tunnels
crypto_ipsecmb | async/crypto worker | AES[128\|256]-GCM | GCM | 1, 4, 1k tunnels
crypto_ipsecmb | async/crypto worker | AES[128]-CBC | SHA[256\|512] | 1, 4, 1k tunnels
## IPsec with Async Crypto Feature Workers
*TODO Description to be added*
## IPsec Uni-Directional Tests with VPP Native SW Crypto
CSIT implements following IPsec uni-directional test cases relying on VPP native
crypto (`crypto_native` plugin) in tunnel mode:
**VPP Crypto Engine** | **ESP Encryption** | **ESP Integrity** | **Scale Tested**
----------------------:|-------------------:|------------------:|-------------------:
crypto_native | AES[128\|256]-GCM | GCM | 4, 1k, 10k tunnels
crypto_native | AES128-CBC | SHA[512] | 4, 1k, 10k tunnels
In policy mode:
**VPP Crypto Engine** | **ESP Encryption** | **ESP Integrity** | **Scale Tested**
----------------------:|-------------------:|------------------:|------------------:
crypto_native | AES[256]-GCM | GCM | 1, 40, 1k tunnels
The tests are running on 2-node testbeds: 2n-tx2. The uni-directional tests
are partially addressing a weakness in 2-node testbed setups with T-Rex as
the traffic generator. With just one DUT node, we can either encrypt or decrypt
traffic in each direction.
The testcases are only doing encryption - packets are encrypted on the DUT and
then arrive at TG where no additional packet processing is needed (just
counting packets).
Decryption would require that the traffic generator generated encrypted packets
which the DUT then would decrypt. However, T-Rex does not have the capability
to encrypt packets.
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