espressif/openthread
1
0
Fork 0
mirror of https://github.com/espressif/openthread.git synced 2026-09-17 22:50:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

[fuzz] bypass MAC AES-CCM decryption and authentication in fuzz tests (#2031)

Browse Source
This commit is contained in:
Jonathan Hui
2017-07-26 12:15:21 -07:00
committed by GitHub
parent 3e6dbe7cef
commit 4996248e5a
1 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/core/mac/mac.cpp
+8
View File
@@ -1349,10 +1349,18 @@ otError Mac::ProcessReceiveSecurity(Frame &aFrame, const Address &aSrcAddr, Neig
VerifyOrExit(error == OT_ERROR_NONE, error = OT_ERROR_SECURITY);
aesCcm.Header(aFrame.GetHeader(), aFrame.GetHeaderLength());
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
aesCcm.Payload(aFrame.GetPayload(), aFrame.GetPayload(), aFrame.GetPayloadLength(), false);
#else
// for fuzz tests, execute AES but do not alter the payload
uint8_t fuzz[OT_RADIO_FRAME_MAX_SIZE];
aesCcm.Payload(fuzz, aFrame.GetPayload(), aFrame.GetPayloadLength(), false);
#endif
aesCcm.Finalize(tag, &tagLength);
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
VerifyOrExit(memcmp(tag, aFrame.GetFooter(), tagLength) == 0, error = OT_ERROR_SECURITY);
#endif
if ((keyIdMode == Frame::kKeyIdMode1) && (aNeighbor->GetState() == Neighbor::kStateValid))
{