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F-6314 - Add maximum-size TPM2B sensitive roundtrip test

pull/535/head
aidan garske 2026-06-22 12:04:42 -07:00
parent a9ea3dce7f
commit b5be21d275
1 changed files with 37 additions and 0 deletions
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37
tests/unit_tests.c
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@ -3228,6 +3228,42 @@ static void test_TPM2_AppendSensitive_Clamp(void)
printf("Test TPM2: %-40s Passed\n", "AppendSensitive clamp:");
}
/* Roundtrip a maximum-size inner payload (size == buffer capacity) so the
* parse-side ParseU16Buf clamp branch is exercised with valid data. */
static void test_TPM2_Sensitive_MaxRoundtrip(void)
{
TPM2_Packet packet;
byte buf[1024];
TPM2B_SENSITIVE sensIn, sensOut;
word16 cap, i;
XMEMSET(&sensIn, 0, sizeof(sensIn));
sensIn.sensitiveArea.sensitiveType = TPM_ALG_RSA;
cap = (word16)sizeof(sensIn.sensitiveArea.sensitive.rsa.buffer);
sensIn.sensitiveArea.sensitive.rsa.size = cap;
for (i = 0; i < cap; i++) {
sensIn.sensitiveArea.sensitive.rsa.buffer[i] = (byte)(i & 0xFF);
}
XMEMSET(buf, 0, sizeof(buf));
XMEMSET(&packet, 0, sizeof(packet));
packet.buf = buf;
packet.size = sizeof(buf);
TPM2_Packet_AppendSensitive(&packet, &sensIn);
packet.pos = 0;
XMEMSET(&sensOut, 0, sizeof(sensOut));
TPM2_Packet_ParseSensitive(&packet, &sensOut);
AssertIntEQ(sensOut.sensitiveArea.sensitiveType, TPM_ALG_RSA);
AssertIntEQ(sensOut.sensitiveArea.sensitive.rsa.size, cap);
AssertIntEQ(XMEMCMP(sensOut.sensitiveArea.sensitive.rsa.buffer,
sensIn.sensitiveArea.sensitive.rsa.buffer, cap), 0);
printf("Test TPM2: %-40s Passed\n", "Sensitive max roundtrip:");
}
static void test_KeySealTemplate(void)
{
int rc;
@ -5418,6 +5454,7 @@ int unit_tests(int argc, char *argv[])
test_TPM2_TIS_ValidateRspSz();
test_TPM2_ParsePublic_EmptyClears();
test_TPM2_AppendSensitive_Clamp();
test_TPM2_Sensitive_MaxRoundtrip();
test_KeySealTemplate();
test_SealAndKeyedHash_Boundaries();
test_GetAlgId();