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Diffstat (limited to 'core/src/test/java/org/bouncycastle/crypto/test/HKDFGeneratorTest.java')
-rw-r--r--core/src/test/java/org/bouncycastle/crypto/test/HKDFGeneratorTest.java304
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diff --git a/core/src/test/java/org/bouncycastle/crypto/test/HKDFGeneratorTest.java b/core/src/test/java/org/bouncycastle/crypto/test/HKDFGeneratorTest.java
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--- a/core/src/test/java/org/bouncycastle/crypto/test/HKDFGeneratorTest.java
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@@ -1,304 +0,0 @@
-package org.bouncycastle.crypto.test;
-
-import org.bouncycastle.crypto.Digest;
-import org.bouncycastle.crypto.digests.SHA1Digest;
-import org.bouncycastle.crypto.digests.SHA256Digest;
-import org.bouncycastle.crypto.generators.HKDFBytesGenerator;
-import org.bouncycastle.crypto.params.HKDFParameters;
-import org.bouncycastle.util.encoders.Hex;
-import org.bouncycastle.util.test.SimpleTest;
-
-/**
- * HKDF tests - vectors from RFC 5869, + 2 more, 101 and 102
- */
-public class HKDFGeneratorTest
- extends SimpleTest
-{
-
- public HKDFGeneratorTest()
- {
- }
-
- private void compareOKM(int test, byte[] calculatedOKM, byte[] testOKM)
- {
-
- if (!areEqual(calculatedOKM, testOKM))
- {
- fail("HKDF failed generator test " + test);
- }
- }
-
- public void performTest()
- {
- {
- // === A.1. Test Case 1 - Basic test case with SHA-256 ===
-
- Digest hash = new SHA256Digest();
- byte[] ikm = Hex
- .decode("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b");
- byte[] salt = Hex.decode("000102030405060708090a0b0c");
- byte[] info = Hex.decode("f0f1f2f3f4f5f6f7f8f9");
- int l = 42;
- byte[] okm = new byte[l];
-
- HKDFParameters params = new HKDFParameters(ikm, salt, info);
-
- HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
- hkdf.init(params);
- hkdf.generateBytes(okm, 0, l);
-
- compareOKM(1, okm, Hex.decode(
- "3cb25f25faacd57a90434f64d0362f2a" +
- "2d2d0a90cf1a5a4c5db02d56ecc4c5bf" +
- "34007208d5b887185865"));
- }
-
- // === A.2. Test Case 2 - Test with SHA-256 and longer inputs/outputs
- // ===
- {
- Digest hash = new SHA256Digest();
- byte[] ikm = Hex.decode("000102030405060708090a0b0c0d0e0f"
- + "101112131415161718191a1b1c1d1e1f"
- + "202122232425262728292a2b2c2d2e2f"
- + "303132333435363738393a3b3c3d3e3f"
- + "404142434445464748494a4b4c4d4e4f");
- byte[] salt = Hex.decode("606162636465666768696a6b6c6d6e6f"
- + "707172737475767778797a7b7c7d7e7f"
- + "808182838485868788898a8b8c8d8e8f"
- + "909192939495969798999a9b9c9d9e9f"
- + "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf");
- byte[] info = Hex.decode("b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
- + "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
- + "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
- + "e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
- + "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff");
- int l = 82;
- byte[] okm = new byte[l];
-
- HKDFParameters params = new HKDFParameters(ikm, salt, info);
-
- HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
- hkdf.init(params);
- hkdf.generateBytes(okm, 0, l);
-
- compareOKM(2, okm, Hex.decode(
- "b11e398dc80327a1c8e7f78c596a4934" +
- "4f012eda2d4efad8a050cc4c19afa97c" +
- "59045a99cac7827271cb41c65e590e09" +
- "da3275600c2f09b8367793a9aca3db71" +
- "cc30c58179ec3e87c14c01d5c1f3434f" +
- "1d87"));
- }
-
- {
- // === A.3. Test Case 3 - Test with SHA-256 and zero-length
- // salt/info ===
-
- // setting salt to an empty byte array means that the salt is set to
- // HashLen zero valued bytes
- // setting info to null generates an empty byte array as info
- // structure
-
- Digest hash = new SHA256Digest();
- byte[] ikm = Hex
- .decode("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b");
- byte[] salt = new byte[0];
- byte[] info = null;
- int l = 42;
- byte[] okm = new byte[l];
-
- HKDFParameters params = new HKDFParameters(ikm, salt, info);
-
- HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
- hkdf.init(params);
- hkdf.generateBytes(okm, 0, l);
-
- compareOKM(3, okm, Hex.decode(
- "8da4e775a563c18f715f802a063c5a31" +
- "b8a11f5c5ee1879ec3454e5f3c738d2d" +
- "9d201395faa4b61a96c8"));
- }
-
- {
- // === A.4. Test Case 4 - Basic test case with SHA-1 ===
-
- Digest hash = new SHA1Digest();
- byte[] ikm = Hex.decode("0b0b0b0b0b0b0b0b0b0b0b");
- byte[] salt = Hex.decode("000102030405060708090a0b0c");
- byte[] info = Hex.decode("f0f1f2f3f4f5f6f7f8f9");
- int l = 42;
- byte[] okm = new byte[l];
-
- HKDFParameters params = new HKDFParameters(ikm, salt, info);
-
- HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
- hkdf.init(params);
- hkdf.generateBytes(okm, 0, l);
-
- compareOKM(4, okm, Hex.decode(
- "085a01ea1b10f36933068b56efa5ad81" +
- "a4f14b822f5b091568a9cdd4f155fda2" +
- "c22e422478d305f3f896"));
- }
-
- // === A.5. Test Case 5 - Test with SHA-1 and longer inputs/outputs ===
- {
- Digest hash = new SHA1Digest();
- byte[] ikm = Hex.decode("000102030405060708090a0b0c0d0e0f"
- + "101112131415161718191a1b1c1d1e1f"
- + "202122232425262728292a2b2c2d2e2f"
- + "303132333435363738393a3b3c3d3e3f"
- + "404142434445464748494a4b4c4d4e4f");
- byte[] salt = Hex.decode("606162636465666768696a6b6c6d6e6f"
- + "707172737475767778797a7b7c7d7e7f"
- + "808182838485868788898a8b8c8d8e8f"
- + "909192939495969798999a9b9c9d9e9f"
- + "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf");
- byte[] info = Hex.decode("b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
- + "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
- + "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
- + "e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
- + "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff");
- int l = 82;
- byte[] okm = new byte[l];
-
- HKDFParameters params = new HKDFParameters(ikm, salt, info);
-
- HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
- hkdf.init(params);
- hkdf.generateBytes(okm, 0, l);
-
- compareOKM(5, okm, Hex.decode(
- "0bd770a74d1160f7c9f12cd5912a06eb" +
- "ff6adcae899d92191fe4305673ba2ffe" +
- "8fa3f1a4e5ad79f3f334b3b202b2173c" +
- "486ea37ce3d397ed034c7f9dfeb15c5e" +
- "927336d0441f4c4300e2cff0d0900b52" +
- "d3b4"));
- }
-
- {
- // === A.6. Test Case 6 - Test with SHA-1 and zero-length salt/info
- // ===
-
- // setting salt to null should generate a new salt of HashLen zero
- // valued bytes
-
- Digest hash = new SHA1Digest();
- byte[] ikm = Hex
- .decode("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b");
- byte[] salt = null;
- byte[] info = new byte[0];
- int l = 42;
- byte[] okm = new byte[l];
-
- HKDFParameters params = new HKDFParameters(ikm, salt, info);
-
- HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
- hkdf.init(params);
- hkdf.generateBytes(okm, 0, l);
-
- compareOKM(6, okm, Hex.decode(
- "0ac1af7002b3d761d1e55298da9d0506" +
- "b9ae52057220a306e07b6b87e8df21d0" +
- "ea00033de03984d34918"));
- }
-
- {
- // === A.7. Test Case 7 - Test with SHA-1, salt not provided,
- // zero-length info ===
- // (salt defaults to HashLen zero octets)
-
- // this test is identical to test 6 in all ways bar the IKM value
-
- Digest hash = new SHA1Digest();
- byte[] ikm = Hex
- .decode("0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c");
- byte[] salt = null;
- byte[] info = new byte[0];
- int l = 42;
- byte[] okm = new byte[l];
-
- HKDFParameters params = new HKDFParameters(ikm, salt, info);
-
- HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
- hkdf.init(params);
- hkdf.generateBytes(okm, 0, l);
-
- compareOKM(7, okm, Hex.decode(
- "2c91117204d745f3500d636a62f64f0a" +
- "b3bae548aa53d423b0d1f27ebba6f5e5" +
- "673a081d70cce7acfc48"));
- }
-
- {
- // === A.101. Additional Test Case - Test with SHA-1, skipping extract
- // zero-length info ===
- // (salt defaults to HashLen zero octets)
-
- // this test is identical to test 7 in all ways bar the IKM value
- // which is set to the PRK value
-
- Digest hash = new SHA1Digest();
- byte[] ikm = Hex
- .decode("2adccada18779e7c2077ad2eb19d3f3e731385dd");
- byte[] info = new byte[0];
- int l = 42;
- byte[] okm = new byte[l];
-
- HKDFParameters params = HKDFParameters.skipExtractParameters(ikm, info);
-
- HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
- hkdf.init(params);
- hkdf.generateBytes(okm, 0, l);
-
- compareOKM(101, okm, Hex.decode(
- "2c91117204d745f3500d636a62f64f0a" +
- "b3bae548aa53d423b0d1f27ebba6f5e5" +
- "673a081d70cce7acfc48"));
- }
-
- // === A.102. Additional Test Case - Test with SHA-1, maximum output ===
- // (salt defaults to HashLen zero octets)
-
- // this test is identical to test 7 in all ways bar the IKM value
-
- Digest hash = new SHA1Digest();
- byte[] ikm = Hex
- .decode("2adccada18779e7c2077ad2eb19d3f3e731385dd");
- byte[] info = new byte[0];
- int l = 255 * hash.getDigestSize();
- byte[] okm = new byte[l];
-
- HKDFParameters params = HKDFParameters.skipExtractParameters(ikm, info);
-
- HKDFBytesGenerator hkdf = new HKDFBytesGenerator(hash);
- hkdf.init(params);
- hkdf.generateBytes(okm, 0, l);
-
- int zeros = 0;
- for (int i = 0; i < hash.getDigestSize(); i++)
- {
- if (okm[i] == 0)
- {
- zeros++;
- }
- }
-
- if (zeros == hash.getDigestSize())
- {
- fail("HKDF failed generator test " + 102);
- }
- }
-
- public String getName()
- {
- return "HKDF";
- }
-
- public static void main(
- String[] args)
- {
- runTest(new HKDFGeneratorTest());
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 22:57:32 +0300