TLS and SHA2 Support with Citrix Receivers

This article is intended for Citrix administrators and technical teams only.

Non-admin users must contact their company’s Help Desk/IT support team and can refer to CTX297149 for more information.

To use TLS encryption for Citrix Receiver Communications, following table describes the minimum Citrix Receiver version required for each TLS (TLS v1.2, v1.1 & 1.0) version.

TLS Version Receiver for Windows Receiver for Mac Receiver for Linux Receiver for Android Receiver for iOS
TLS 1.0 3.4 11.2 13.1 3.6 5.9.6
TLS 1.1 4.2.100 12.0 13.2 3.7 7.0
TLS 1.2 4.2.100 12.0 13.2 3.7 7.0

With respect to SHA2 support, following are the minimum Receiver versions that are required.


  • The table below describes support for digital certificates signed with algorithms in the SHA2 family.
  • Citrix Receiver supports the SHA-256 and SHA-384 algorithms in the SHA2 family, as specified in FIPS 180-4.
Receiver Platform Minimum Version Required
Receiver for Windows 4.1
Receiver for Mac 11.7
Receiver for Linux 13.1
Receiver for Android 3.5
Receiver for iOS 5.9


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