Change the default security level for private keys
1. Connect your BlackBerry smartphone to your computer.
2. In the BlackBerry Desktop Software, click Device > Device options.
3. On the Certificates tab, in the Private Key Security Levels section, change the default security level for signing keys
and decryption keys.
4. Click OK.
Turn off automatic initialization of the random number generator
By default, each time that you connect your BlackBerry smartphone to your computer and open the BlackBerry Desktop
Software, the certificate synchronization tool initializes the random number generator on your smartphone. If you turn off
automatic initialization, your smartphone uses the same starting point each time it generates a random number.
1. Connect your smartphone to your computer.
2. In the BlackBerry Desktop Software, click Device > Device options.
3. On the General tab, clear the Initialize device random number generator checkbox.
4. Click OK.
Change the refresh rate for certificate revocation lists
You can change how often the certificate synchronization tool updates the certificate revocation lists on your BlackBerry
smartphone.
1. Connect your smartphone to your computer.
2. In the BlackBerry Desktop Software, click Device > Device options.
3. On the Certificates tab, in the Servers section, click Configure.
4. On the CRL tab, do any of the following:
• If you want to update the certificate revocation lists on your smartphone every time that you connect your
smartphone to the BlackBerry Desktop Software or synchronize certificates, set the Update the cached CRL
servers every <#> hours field to 0.
• If you want to specify a refresh rate, set the Update the cached CRL servers every <#> hours field to a number
other than 0.
5. Click OK.
User Guide Certificates for your smartphone
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