diff -r 51a74ef9ed63 -r ae94777fff8f Symbian3/SDK/Source/GUID-1293DE8C-E803-4ADF-9FA8-862519337331.dita --- a/Symbian3/SDK/Source/GUID-1293DE8C-E803-4ADF-9FA8-862519337331.dita Wed Mar 31 11:11:55 2010 +0100 +++ b/Symbian3/SDK/Source/GUID-1293DE8C-E803-4ADF-9FA8-862519337331.dita Fri Jun 11 12:39:03 2010 +0100 @@ -1,58 +1,58 @@ - - - - - -Software -installer -

End users can install new software from a variety of sources: through -e-mail, Internet downloads, multimedia messaging service (MMS) and WAP push -messages, infrared and Bluetooth connections, PC Suite, and removable memory -cards. The diversity of software vendors and delivery channels requires a -sophisticated system for managing installed software.

-

The Symbian Software Installer uses digital signatures and certificates to -authenticate that the application being installed on a mobile device is from -a known vendor. The signature can be obtained through the Symbian -Signed process, and the default certificates installed in the mobile -device act as root certificates. During installation the signature is validated -against the certificates. If they match, the application is installed and -the requested capabilities are -stored in the executable, assuming that the root certificate can grant the -capabilities. Only user capabilities can be granted to unsigned or -self-signed applications, and these are always confirmed by the user.

- -

The end users have an option to cancel the installation if they detect -that the vendor of the software package and certificate authority are not -trustworthy. This is especially important when installing security-related -components (for example, VPN clients, firewalls and virus scanners) or other -business-related software.

-
-

The Software Installer ensures that no two applications have the same SID value -on a particular target device. The Software Installer has the TCB capability -to read and modify content in the \sys folder -and all its subfolders, which means that you can write to third-party application -executables in the \sys\bin folder when they are installed -through the Software Installer.

-

For more information on the Software Installer, see Secure -Software Install Tools.

-

The following figure illustrates the steps of software installation:

-Installation process for signed packages -

The Software Installer can install the following types of packages:

- -

The Software Installer recognizes different devices, which allows you -to define the platforms and devices to which the software can be installed.

- -

If you receive an error message when using the Software Installer, see Troubleshooting -Installation Errors at the Symbian Foundation.

+ + + + + +Software +installer +

End users can install new software from a variety of sources: through +e-mail, Internet downloads, multimedia messaging service (MMS) and WAP push +messages, infrared and Bluetooth connections, PC Suite, and removable memory +cards. The diversity of software vendors and delivery channels requires a +sophisticated system for managing installed software.

+

The Symbian Software Installer uses digital signatures and certificates to +authenticate that the application being installed on a mobile device is from +a known vendor. The signature can be obtained through the Symbian +Signed process, and the default certificates installed in the mobile +device act as root certificates. During installation the signature is validated +against the certificates. If they match, the application is installed and +the requested capabilities are +stored in the executable, assuming that the root certificate can grant the +capabilities. Only user capabilities can be granted to unsigned or +self-signed applications, and these are always confirmed by the user.

+ +

The end users have an option to cancel the installation if they detect +that the vendor of the software package and certificate authority are not +trustworthy. This is especially important when installing security-related +components (for example, VPN clients, firewalls and virus scanners) or other +business-related software.

+
+

The Software Installer ensures that no two applications have the same SID value +on a particular target device. The Software Installer has the TCB capability +to read and modify content in the \sys folder +and all its subfolders, which means that you can write to third-party application +executables in the \sys\bin folder when they are installed +through the Software Installer.

+

For more information on the Software Installer, see Secure +Software Install Tools.

+

The following figure illustrates the steps of software installation:

+Installation process for signed packages +

The Software Installer can install the following types of packages:

+
    +
  • signed sis packages

  • +
  • Java archives (JAR) run by a Java virtual machine

    +
  • +
  • Web Runtime widgets

  • +
+

The Software Installer recognizes different devices, which allows you +to define the platforms and devices to which the software can be installed.

+ +

If you receive an error message when using the Software Installer, see Troubleshooting +Installation Errors at the Symbian Foundation.

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