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[aes-ccm] add lower-bound check for tag length (#2008)

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This commit is contained in:
Jonathan Hui
2017-07-18 08:32:36 -07:00
committed by GitHub
parent 5ba896266c
commit 702ec2551f
7 changed files with 36 additions and 78 deletions
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tests/unit/test_aes.cpp
-65
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@@ -106,70 +106,6 @@ void TestMacBeaconFrame(void)
testFreeInstance(instance);
}
/**
* Verifies test vectors from IEEE 802.15.4-2006 Annex C Section C.2.1
*/
void TestMacDataFrame()
{
uint8_t key[] =
{
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
};
uint8_t test[] =
{
0x69, 0xDC, 0x84, 0x21, 0x43, 0x02, 0x00, 0x00,
0x00, 0x00, 0x48, 0xDE, 0xAC, 0x01, 0x00, 0x00,
0x00, 0x00, 0x48, 0xDE, 0xAC, 0x04, 0x05, 0x00,
0x00, 0x00, 0x61, 0x62, 0x63, 0x64
};
uint8_t encrypted[] =
{
0x69, 0xDC, 0x84, 0x21, 0x43, 0x02, 0x00, 0x00,
0x00, 0x00, 0x48, 0xDE, 0xAC, 0x01, 0x00, 0x00,
0x00, 0x00, 0x48, 0xDE, 0xAC, 0x04, 0x05, 0x00,
0x00, 0x00, 0xD4, 0x3E, 0x02, 0x2B
};
uint8_t decrypted[] =
{
0x69, 0xDC, 0x84, 0x21, 0x43, 0x02, 0x00, 0x00,
0x00, 0x00, 0x48, 0xDE, 0xAC, 0x01, 0x00, 0x00,
0x00, 0x00, 0x48, 0xDE, 0xAC, 0x04, 0x05, 0x00,
0x00, 0x00, 0x61, 0x62, 0x63, 0x64
};
ot::Crypto::AesCcm aesCcm;
uint32_t headerLength = sizeof(test) - 4;
uint32_t payloadLength = 4;
uint8_t tagLength = 0;
uint8_t nonce[] =
{
0xAC, 0xDE, 0x48, 0x00, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x05, 0x04,
};
aesCcm.SetKey(key, sizeof(key));
aesCcm.Init(headerLength, payloadLength, tagLength, nonce, sizeof(nonce));
aesCcm.Header(test, headerLength);
aesCcm.Payload(test + headerLength, test + headerLength, payloadLength, true);
aesCcm.Finalize(test + headerLength + payloadLength, &tagLength);
VerifyOrQuit(memcmp(test, encrypted, sizeof(encrypted)) == 0,
"TestMacDataFrame encrypt failed");
aesCcm.Init(headerLength, payloadLength, tagLength, nonce, sizeof(nonce));
aesCcm.Header(test, headerLength);
aesCcm.Payload(test + headerLength, test + headerLength, payloadLength, false);
aesCcm.Finalize(test + headerLength + payloadLength, &tagLength);
VerifyOrQuit(memcmp(test, decrypted, sizeof(decrypted)) == 0,
"TestMacDataFrame decrypt failed");
}
/**
* Verifies test vectors from IEEE 802.15.4-2006 Annex C Section C.2.3
*/
@@ -239,7 +175,6 @@ void TestMacCommandFrame()
int main(void)
{
TestMacBeaconFrame();
TestMacDataFrame();
TestMacCommandFrame();
printf("All tests passed\n");
return 0;