Value

Name

Description

0

UASP_BestAvailable

Provides the best available security connection to the UA server. The client receives the available policies from the server and selects the best. This can also result in level “none security”.

1

UASP_None

http://opcfoundation.org/UA/SecurityPolicy#None

2

UASP_Basic128Rsa15

http://opcfoundation.org/UA/SecurityPolicy#Basic128Rsa15 – this is deprecated

3

UASP_Basic256

http://opcfoundation.org/UA/SecurityPolicy#Basic256 – this is deprecated

4

UASP_Basic256Sha256

http://opcfoundation.org/UA/SecurityPolicy#Basic256Sha256

5

UASP_Aes128-Sha256-RsaOaep

http://opcfoundation.org/UA/SecurityPolicy#Aes128_Sha256_RsaOaep

6

UASP_Aes256-Sha256-RsaPss

http://opcfoundation.org/UA/SecurityPolicy#Aes256_Sha256_RsaPss

7

UASP_EccNnistP256

http://opcfoundation.org/UA/SecurityPolicy#ECC_nistP256

8

UASP_EccNistP384

http://opcfoundation.org/UA/SecurityPolicy#ECC_nistP384

9

UASP_EccBrainpoolP256r1

http://opcfoundation.org/UA/SecurityPolicy#ECC_brainpoolP256r1

10

UASP_EccBrainpoolP384r1

http://opcfoundation.org/UA/SecurityPolicy#ECC_brainpoolP384r1

11

UASP_EccCurve25519

http://opcfoundation.org/UA/SecurityPolicy#ECC_curve25519