PCoIP technology supports three methods of encryption - AES-128-GCM, AES-256-GCM and Salsa20-256-round12.

In viewing the PCoIP Server or PCoIP Client log files you can find out what encryption is in use. In the log files you will find lines similar to the below. 

PSDP PCoIP security NULL supported (0=unsupported) - local: 0
PSDP PCoIP security Salsa20-256-round12 supported (0=unsupported) - local: 1
PSDP PCoIP security AES-128-GCM supported (0=unsupported) - local: 1
PSDP PCoIP security AES-256-GCM supported (0=unsupported) - local: 1
PSDP PCoIP security NULL supported (0=unsupported) - peer: 0
PSDP PCoIP security Salsa20-256-round12 supported (0=unsupported) - peer: 0
PSDP PCoIP security AES-128-GCM supported (0=unsupported) - peer: 1
PSDP PCoIP security AES-256-GCM supported (0=unsupported) - peer: 1
PSDP PCoIP security NULL supported (0=unsupported) - negotiated: 0
PSDP PCoIP security Salsa20-256-round12 supported (0=unsupported) - negotiated: 0
PSDP PCoIP security AES-128-GCM supported (0=unsupported) - negotiated: 0
PSDP PCoIP security AES-256-GCM supported (0=unsupported) - negotiated: 1

Note: Salsa20-256-round12 is deprecated in Tera2 PCoIP Zero Clients and newer releases of Cloud Access Software PCoIP Agent.

These log lines show the negotiation process between a PCoIP Agent and PCoIP Client at the start of a PCoIP session. Each PCoIP entpoint advertise their capabilities and a capability is negotiated.

In this case, local (PCoIP agent) and peer (PCoIP Client) both advertised they support AES-128-GCM and AES-256-GCM. As  a result AES-256-GCM was negotiated and used for the session.

Note: the Tera1x00 device supports AES-128-GCM and Salsa20-256-round12. The Tera2x00 device supports AES-128-GCM and AES-256-GCM

See also:

What encryption algorithm and bandwidth metrics are used for various setups of Tera1 PCoIP Zero Clients, soft clients, soft and hard Tera1 hosts? (1306)

 

Pertains to:
  • PCoIP Zero Client 4.0.2
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  • PCoIP Standard Agent 2.10.0
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  • VMWare Horizon 6.0.1
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  • PCoIP Graphics Agent 2.10.0
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