Cisco Cisco DX70 Release Notes
Cisco TelePresence Touch 10 hardware dependencies
69
Software integrity verification
To verify the integrity of the software image you have downloaded from cisco.com you can calculate a
SHA512 checksum and verify that it matches with the one listed on the software download page. To
find the checksum, hover the mouse pointer over the software image you have downloaded.
At the bottom you find the SHA512 checksum, if you do not see the whole checksum you can expand
it by pressing the "..." at the end.
it by pressing the "..." at the end.
To calculate a SHA512 checksum on your local desktop please see the table below.
Operative
system
SHA512 checksum calculation command examples
Microsoft
Windows
Open a command line window and type the following command
> certutil.exe -hashfile s52020ce8_0_1.pkg SHA512
Apple MAC
Open a terminal window and type the following command
$ shasum -a 512 s52020ce8_0_1.pkg
Linux
Open a terminal window and type the following command
$ sha512sum s52020ce8_0_1.pkg
Or
$ shasum -a 512 s52020ce8_0_1.pkg
If the SHA512 checksum matches there is a high level of certainty that no one has tampered with the
software image or the image has not been corrupted during download.
software image or the image has not been corrupted during download.
If the SHA512 checksum does not match, we advise you to not attempt upgrading any systems with
the corrupted software image. Download the software again and verify the SHA512 checksum again. If
there is a constant mismatch, please open a case with the Cisco Technical Assistance Center.
the corrupted software image. Download the software again and verify the SHA512 checksum again. If
there is a constant mismatch, please open a case with the Cisco Technical Assistance Center.