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make firmware update bundle

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This commit is contained in:
Conor Patrick 2018-09-04 19:27:27 -04:00
parent 7b648553d8
commit 8bb3778869
2 changed files with 41 additions and 31 deletions
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2
efm32/.cproject
View File

@ -227,7 +227,7 @@
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
</cconfiguration>
</storageModule>
<storageModule moduleId="com.silabs.ss.framework.ide.project.core.cpp" project.generation="112" projectCommon.boardIds="brd2500a:0.0.0" projectCommon.buildArtifactType="EXE" projectCommon.importModeId="COPY" projectCommon.partId="mcu.arm.efm32.pg1.efm32pg1b200f256gm48" projectCommon.sdkId="com.silabs.sdk.stack.super:1.1.1._310456152"/>
<storageModule moduleId="com.silabs.ss.framework.ide.project.core.cpp" project.generation="120" projectCommon.boardIds="brd2500a:0.0.0" projectCommon.buildArtifactType="EXE" projectCommon.importModeId="COPY" projectCommon.partId="mcu.arm.efm32.pg1.efm32pg1b200f256gm48" projectCommon.sdkId="com.silabs.sdk.stack.super:1.1.1._310456152"/>
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
<project id="EFM32.com.silabs.ss.framework.ide.project.core.cdt.cdtMbsProjectType.1696568425" name="SLS CDT Project" projectType="com.silabs.ss.framework.ide.project.core.cdt.cdtMbsProjectType"/>
</storageModule>

70
tools/http2udb.py
View File

@ -81,6 +81,38 @@ def read():
msg = to_websafe(pkt)
return msg
def get_firmware_object():
sk = SigningKey.from_pem(open("signing_key.pem").read())
h = open(HEX_FILE,'r').read()
h = base64.b64encode(h.encode())
h = to_websafe(h.decode())
num_pages = 64
START = 0x4000
END = 2048 * (num_pages - 3) - 4
ih = IntelHex(HEX_FILE)
segs = ih.segments()
arr = ih.tobinarray(start = START, size = END-START)
im_size = END-START
print('im_size: ', im_size)
print('firmware_size: ', len(arr))
byts = (arr).tobytes() if hasattr(arr,'tobytes') else (arr).tostring()
sig = sha256(byts)
print('hash', binascii.hexlify(sig))
sig = sk.sign_digest(sig)
print('sig', binascii.hexlify(sig))
sig = base64.b64encode(sig)
sig = to_websafe(sig.decode())
#msg = {'data': read()}
msg = {'firmware': h, 'signature':sig}
return msg
class UDPBridge(BaseHTTPRequestHandler):
def end_headers (self):
self.send_header('Access-Control-Allow-Origin', '*')
@ -115,36 +147,7 @@ class UDPBridge(BaseHTTPRequestHandler):
self.send_response(200)
self.send_header('Content-type','text/json')
sk = SigningKey.from_pem(open("signing_key.pem").read())
h = open(HEX_FILE,'r').read()
h = base64.b64encode(h.encode())
h = to_websafe(h.decode())
num_pages = 64
START = 0x4000
END = 2048 * (num_pages - 3) - 4
ih = IntelHex(HEX_FILE)
segs = ih.segments()
arr = ih.tobinarray(start = START, size = END-START)
im_size = END-START
print('im_size: ', im_size)
print('firmware_size: ', len(arr))
byts = (arr).tobytes() if hasattr(arr,'tobytes') else (arr).tostring()
sig = sha256(byts)
print('hash', binascii.hexlify(sig))
sig = sk.sign_digest(sig)
print('sig', binascii.hexlify(sig))
sig = base64.b64encode(sig)
sig = to_websafe(sig.decode())
#msg = {'data': read()}
msg = {'firmware': h, 'signature':sig}
msg = get_firmware_object()
self.end_headers()
@ -158,7 +161,14 @@ try:
keyfile="../web/localhost.key",
certfile='../web/localhost.crt', server_side=True)
print('Saving signed firmware to firmware.json')
msg = get_firmware_object()
wfile = open('firmware.json','wb+')
wfile.write(json.dumps(msg).encode())
wfile.close()
server.serve_forever()
except KeyboardInterrupt:
server.socket.close()