Displaying OTA Files#

You can see the contents of OTA files by using the –p command-line option. An example of the contents of an OTA file is shown below.

bash$ ./image-builder-ecc -p app/framework/plugin/ota-storage-simple-ram/ota-static-sample.ota
image-builder (C) 2013 by Silicon Labs
Version: 1.5.2
ECC signature support present.
File: app/framework/plugin/ota-storage-simple-ram/ota-static-sample.ota
Magic Number:         0x0BEEF11E
Header Version:       0x0100
Header Length:        56 bytes
Field Control:        0x0000
Manufacturer ID:      0x1002
Image Type:           0x5678
Firmware Version:     0x00000005
Stack Version:        0x0002
Header String:        The latest and greatest upgrade.
Total Image Size:     182 bytes
Total Tags:           3
  ID:                 0xF000   (Manufacturer Specific)
  Length:             10 bytes
  ID:                 0x0002   (ECDSA Signing Certificate)
  Length:             48 bytes
    Subject: (>)000D6F0000198B36
    Issuer:  (>)5445535453454341 (Certicom TEST CA)
  ID:                 0x0001   (ECDSA Signature)
  Length:             50 bytes
    Signer:  (>)000D6F0000198B36
     Data:      01C2C31CB8C40064  EABB3189AD8969EA
                C25893183A023BD2  8D5FB2134D3E07B9
                2E06A258E478D20C  7ACC
Using Certicom TEST CA issued certificate.
Message Digest: E26A886E8030458DA084586F2DCB08A2
Signature is valid
Found 1 files.