Commoncryptolib update in SAP System

What is Cryptographic Library in SAP

The SAP Cryptographic Library is the default security provider for the secure store and forward (SSF) mechanisms. The SAP Cryptographic Library provides the functions for creating and verifying digital signatures within SAP NetWeaver Application Server (SAP NetWeaver AS).

To Upgrade / Install crytolib follow the stets,

Download the Comoncryptolib Files form SP download center

• https://launchpad.support.sap.com/#/softwarecenter
• INSTALLATIONS & UPGRADES
• By Alphabetical Index (A-Z)
• C
• SAP CRYPTOGRAPHIC SOFTWARE
• SAPCRYPTOLIB
• COMMONCRYPTOLIB 8
• Download the Latest File

Download the correct version by selecting your Server OS.

Check the Current version of SAP Commoncryptolib in your system

T-code - STRUST

Environment ----> Display SSF Version

Find out the current cryptolib location of your system using below parameter values in RZ11. 

- ssl/ssl_lib
- snc/gssapi_lib
- spnego/krbspnego_lib
- ssf/ssfapi_lib
- sec/libsapsecu

Check the Commoncryptolib files under Directory which you found from above parametes, Depends on OS the crytolib files are different. 

Directory example :- /sapmnt/SID/exe/uc/linuxx86_64

For Upgrade follow the below steps,

• Stop all SAP Application Server

If you have multiple Application Servers, stop all application servers.

• Login to Primary Application server

Copy the downloaded Commoncryptolib SAR files to the Primary Application Server 

Uncar the SAR file to a temporary location using below command,

                      

sapcar -xvf Filename.SAR

• Copy the extracted files (using sapcar) to the the crytolib directory (Primary Application Server) 

• Start the SAP Application Servers

Make sure system is up &r running without any fails

• Check the Commoncryptolib version after upgrade

T-code - STRUST

Environment ----> Display SSF Version

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