ExternalVendorCode/HIRS
1
0
Fork 0
mirror of https://github.com/nsacyber/HIRS.git synced 2024-12-21 05:53:27 +00:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

minor updates to replace deprecated function, swap actual/expected in assertthat, and use lombok Getter

Browse Source
This commit is contained in:
iadgovuser58 2023-07-19 16:21:16 -04:00
parent 435ce61a5a
commit a0238abe8b
2 changed files with 14 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
HIRS_Utils/src/main/java/hirs/utils/tpm/eventlog/TCGEventLog.java
View File

@ -29,7 +29,7 @@ public final class TCGEventLog {
private static final Logger LOGGER = LogManager.getLogger(TCGEventLog.class);
/** Name of the hash algorithm used to process the Event Log, default is SHA256. */
@Getter
private String algorithm = "TPM_ALG_SHA256";
private String eventLogHashAlgorithm = "TPM_ALG_SHA256";
/** Parsed event log array. */
private static final int SIG_OFFSET = 32;
/** TEV_NO_ACTION signature size. */
@ -87,7 +87,7 @@ public final class TCGEventLog {
initLocalityFourValue = LOCALITY4_SHA1_LIST;
pcrLength = EvConstants.SHA1_LENGTH;
hashType = HASH_STRING;
algorithm = "TPM_ALG_SHA1";
eventLogHashAlgorithm = "TPM_ALG_SHA1";
initPcrList();
}
@ -121,14 +121,14 @@ public final class TCGEventLog {
if (bCryptoAgile) {
initValue = INIT_SHA256_LIST;
initLocalityFourValue = LOCALITY4_SHA256_LIST;
algorithm = "TPM_ALG_SHA256";
eventLogHashAlgorithm = "TPM_ALG_SHA256";
hashType = HASH256_STRING;
pcrLength = EvConstants.SHA256_LENGTH;
} else {
initValue = INIT_SHA1_LIST;
initLocalityFourValue = LOCALITY4_SHA1_LIST;
hashType = HASH_STRING;
algorithm = "TPM_ALG_SHA1";
eventLogHashAlgorithm = "TPM_ALG_SHA1";
pcrLength = EvConstants.SHA1_LENGTH;
}
this.pcrList = new byte[PCR_COUNT][pcrLength];
@ -181,7 +181,7 @@ public final class TCGEventLog {
// TPMMeasurementRecord record;
// String pcrValue;
// for (int i = 0; i < PCR_COUNT; i++) {
// if (algorithm.compareToIgnoreCase("TPM_ALG_SHA1") == 0) { // Log Was SHA1 Format
// if (eventLogHashAlgorithm.compareToIgnoreCase("TPM_ALG_SHA1") == 0) { // Log Was SHA1 Format
// pcrValue = getExpectedPCRValue(i);
// byte[] hexValue = HexUtils.hexStringToByteArray(pcrValue);
// final Digest hash = new Digest(DigestAlgorithm.SHA1, hexValue);
@ -314,15 +314,6 @@ public final class TCGEventLog {
return this.toString();
}
/**
* Returns the TCG Algorithm Registry defined string for the Digest Algorithm
* used in the event log.
* @return TCG Defined Algorithm name
*/
public String getEventLogHashAlgorithm() {
return algorithm;
}
/**
* Returns the TCG Algorithm Registry defined ID for the Digest Algorithm
@ -330,7 +321,7 @@ public final class TCGEventLog {
* @return TCG Defined Algorithm name
*/
public int getEventLogHashAlgorithmID() {
return TcgTpmtHa.tcgAlgStringToId(algorithm);
return TcgTpmtHa.tcgAlgStringToId(eventLogHashAlgorithm);
}
/**

16
HIRS_Utils/src/test/java/hirs/utils/tpm/eventlog/TCGEventLogTest.java
View File

@ -64,7 +64,7 @@ public class TCGEventLogTest {
TCGEventLog evlog = new TCGEventLog(rawLogBytes, false, false, false);
String[] pcrFromLog = evlog.getExpectedPCRValues();
pcrs = this.getClass().getResourceAsStream(DEFAULT_EXPECTED_PCRS);
Object[] pcrObj = IOUtils.readLines(pcrs).toArray();
Object[] pcrObj = IOUtils.readLines(pcrs, "UTF-8").toArray();
String[] pcrTxt = Arrays.copyOf(pcrObj, pcrObj.length, String[].class);
// Test 1 get all PCRs
@ -78,15 +78,15 @@ public class TCGEventLogTest {
// Test 2 get an individual PCR
String pcr3 = evlog.getExpectedPCRValue(3);
assertThat(pcr3, equalTo(pcrFromLog[3]));
assertThat(pcrFromLog[3], equalTo(pcr3));
// Test 3 check the Algorithm String Identifier used in the log
String algStr = evlog.getEventLogHashAlgorithm();
assertThat(algStr, equalTo("TPM_ALG_SHA256"));
assertThat("TPM_ALG_SHA256", equalTo(algStr));
// Test 4 check the Algorithm # Identifier used in the log
int id = evlog.getEventLogHashAlgorithmID();
assertThat(id, equalTo(TcgTpmtHa.TPM_ALG_SHA256));
assertThat(TcgTpmtHa.TPM_ALG_SHA256, equalTo(id));
LOGGER.debug("OK. Parsing of a Crypto Agile Format Success");
}
@ -108,7 +108,7 @@ public class TCGEventLogTest {
TCGEventLog evlog = new TCGEventLog(rawLogBytes, false, false, false);
String[] pcrFromLog = evlog.getExpectedPCRValues();
pcrs = this.getClass().getResourceAsStream(SHA1_EXPECTED_PCRS);
Object[] pcrObj = IOUtils.readLines(pcrs).toArray();
Object[] pcrObj = IOUtils.readLines(pcrs, "UTF-8").toArray();
String[] pcrTxt = Arrays.copyOf(pcrObj, pcrObj.length, String[].class);
// Test 1 get all PCRs
@ -122,15 +122,15 @@ public class TCGEventLogTest {
// Test 2 get an individual PCR
String pcr0 = evlog.getExpectedPCRValue(0);
assertThat(pcr0, equalTo(pcrFromLog[0]));
assertThat(pcrFromLog[0], equalTo(pcr0));
// Test 3 check the Algorithm String Identifier used in the log
String algStr = evlog.getEventLogHashAlgorithm();
assertThat(algStr, equalTo("TPM_ALG_SHA1"));
assertThat("TPM_ALG_SHA1", equalTo(algStr));
// Test 4 check the Algorithm # Identifier used in the log
int id = evlog.getEventLogHashAlgorithmID();
assertThat(id, equalTo(TcgTpmtHa.TPM_ALG_SHA1));
assertThat(TcgTpmtHa.TPM_ALG_SHA1, equalTo(id));
LOGGER.debug("OK. Parsing of a SHA1 formatted TCG Event Log Success");
}