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Diffstat (limited to 'core/src/test/java/org/spongycastle/crypto/test/cavp/KDFFeedbackCounterTests.java')
-rw-r--r--core/src/test/java/org/spongycastle/crypto/test/cavp/KDFFeedbackCounterTests.java108
1 files changed, 108 insertions, 0 deletions
diff --git a/core/src/test/java/org/spongycastle/crypto/test/cavp/KDFFeedbackCounterTests.java b/core/src/test/java/org/spongycastle/crypto/test/cavp/KDFFeedbackCounterTests.java
new file mode 100644
index 00000000..84cd4dd8
--- /dev/null
+++ b/core/src/test/java/org/spongycastle/crypto/test/cavp/KDFFeedbackCounterTests.java
@@ -0,0 +1,108 @@
+package org.spongycastle.crypto.test.cavp;
+
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Properties;
+import java.util.regex.Matcher;
+
+import org.spongycastle.crypto.Mac;
+import org.spongycastle.crypto.generators.KDFFeedbackBytesGenerator;
+import org.spongycastle.crypto.params.KDFFeedbackParameters;
+import org.spongycastle.util.Arrays;
+import org.spongycastle.util.encoders.Hex;
+import org.spongycastle.util.test.SimpleTestResult;
+import org.spongycastle.util.test.TestFailedException;
+
+public final class KDFFeedbackCounterTests
+ implements CAVPListener
+{
+ private PrintWriter out;
+
+ public void receiveCAVPVectors(String name, Properties config,
+ Properties vectors)
+ {
+ // out.println(" === " + name + " === ");
+ // out.println(" --- config --- ");
+ // out.println(config);
+ // out.println(" --- vectors --- ");
+ // out.println(vectors);
+
+ // always skip AFTER_FIXED
+ if (!config.getProperty("CTRLOCATION").matches("AFTER_ITER"))
+ {
+ return;
+ }
+
+ // create Mac based PRF from PRF property, create the KDF
+ final Mac prf = CAVPReader.createPRF(config);
+ final KDFFeedbackBytesGenerator gen = new KDFFeedbackBytesGenerator(prf);
+
+
+ Matcher matcherForR = CAVPReader.PATTERN_FOR_R.matcher(config.getProperty("RLEN"));
+ if (!matcherForR.matches())
+ {
+ throw new IllegalStateException("RLEN value should always match");
+ }
+ final int r = Integer.parseInt(matcherForR.group(1));
+
+ final int count = Integer.parseInt(vectors.getProperty("COUNT"));
+ final int l = Integer.parseInt(vectors.getProperty("L"));
+ final byte[] ki = Hex.decode(vectors.getProperty("KI"));
+ final byte[] iv = Hex.decode(vectors.getProperty("IV"));
+ final byte[] fixedInputData = Hex.decode(vectors.getProperty("FixedInputData"));
+ final KDFFeedbackParameters params = KDFFeedbackParameters.createWithCounter(ki, iv, fixedInputData, r);
+ gen.init(params);
+
+ final byte[] koGenerated = new byte[l / 8];
+ gen.generateBytes(koGenerated, 0, koGenerated.length);
+
+ final byte[] koVectors = Hex.decode(vectors.getProperty("KO"));
+
+ compareKO(name, config, count, koGenerated, koVectors);
+ }
+
+ private static void compareKO(
+ String name, Properties config, int test, byte[] calculatedOKM, byte[] testOKM)
+ {
+
+ if (!Arrays.areEqual(calculatedOKM, testOKM))
+ {
+ throw new TestFailedException(new SimpleTestResult(
+ false, name + " using " + config + " test " + test + " failed"));
+
+ }
+ }
+
+ public void receiveCommentLine(String commentLine)
+ {
+ // out.println("# " + commentLine);
+ }
+
+ public void receiveStart(String name)
+ {
+ // do nothing
+ }
+
+ public void receiveEnd()
+ {
+ out.println(" *** *** *** ");
+ }
+
+ public void setup()
+ {
+ try
+ {
+ out = new PrintWriter(new FileWriter("KDFFeedbackCounter.gen"));
+ }
+ catch (IOException e)
+ {
+ throw new IllegalStateException(e);
+ }
+ }
+
+ public void tearDown()
+ {
+ out.close();
+ }
+} \ No newline at end of file