From f31c7b3a88f0516efbf215834f3b8689b14dc8a1 Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Mon, 1 Dec 2014 00:12:37 +0100
Subject: Add test vectors for HMAC-SHA256 and PBKDF2-HMAC-SHA256

---
 src/Common/Tests.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/src/Common/Tests.c b/src/Common/Tests.c
index b34073ed..7007f64a 100644
--- a/src/Common/Tests.c
+++ b/src/Common/Tests.c
@@ -348,6 +348,36 @@ TWOFISH_TEST twofish_vectors[TWOFISH_TEST_COUNT] = {
 
 /* Test vectors from FIPS 198a, RFC 4231, RFC 2104, RFC 2202, and other sources. */
 
+char *hmac_sha256_test_keys[] =
+{
+	"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
+	"Jefe",
+	"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa",
+	"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19",
+	"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa",
+	"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa",
+};
+
+char *hmac_sha256_test_data[] =
+{
+	"Hi There",
+	"what do ya want for nothing?",
+	"\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd",
+	"\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd",
+	"Test Using Larger Than Block-Size Key - Hash Key First",
+	"This is a test using a larger than block-size key and a larger than block-size data. The key needs to be hashed before being used by the HMAC algorithm.",
+};
+
+char *hmac_sha256_test_vectors[] =
+{
+	"\xb0\x34\x4c\x61\xd8\xdb\x38\x53\x5c\xa8\xaf\xce\xaf\x0b\xf1\x2b\x88\x1d\xc2\x00\xc9\x83\x3d\xa7\x26\xe9\x37\x6c\x2e\x32\xcf\xf7",
+	"\x5b\xdc\xc1\x46\xbf\x60\x75\x4e\x6a\x04\x24\x26\x08\x95\x75\xc7\x5a\x00\x3f\x08\x9d\x27\x39\x83\x9d\xec\x58\xb9\x64\xec\x38\x43",
+	"\x77\x3e\xa9\x1e\x36\x80\x0e\x46\x85\x4d\xb8\xeb\xd0\x91\x81\xa7\x29\x59\x09\x8b\x3e\xf8\xc1\x22\xd9\x63\x55\x14\xce\xd5\x65\xfe",
+	"\x82\x55\x8a\x38\x9a\x44\x3c\x0e\xa4\xcc\x81\x98\x99\xf2\x08\x3a\x85\xf0\xfa\xa3\xe5\x78\xf8\x07\x7a\x2e\x3f\xf4\x67\x29\x66\x5b",
+	"\x60\xe4\x31\x59\x1e\xe0\xb6\x7f\x0d\x8a\x26\xaa\xcb\xf5\xb7\x7f\x8e\x0b\xc6\x21\x37\x28\xc5\x14\x05\x46\x04\x0f\x0e\xe3\x7f\x54",
+	"\x9b\x09\xff\xa7\x1b\x94\x2f\xcb\x27\x63\x5f\xbc\xd5\xb0\xe9\x44\xbf\xdc\x63\x64\x4f\x07\x13\x93\x8a\x7f\x51\x53\x5c\x3a\x35\xe2",
+};
+
 char *hmac_sha512_test_keys[] =
 {
 	"\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
@@ -979,6 +1009,23 @@ BOOL AutoTestAlgorithms (void)
 	return result;
 }
 
+BOOL test_hmac_sha256 ()
+{
+	unsigned int i;
+	int nTestsPerformed = 0;
+
+	for (i = 0; i < sizeof (hmac_sha256_test_data) / sizeof(char *); i++)
+	{
+		char digest[SHA256_DIGESTSIZE];
+		hmac_sha256 (hmac_sha256_test_keys[i], (int) strlen (hmac_sha256_test_keys[i]), hmac_sha256_test_data[i], (int) strlen (hmac_sha256_test_data[i]), digest);
+		if (memcmp (digest, hmac_sha256_test_vectors[i], SHA256_DIGESTSIZE) != 0)
+			return FALSE;
+		else
+			nTestsPerformed++;
+	}
+
+	return (nTestsPerformed == 6);
+}
 
 BOOL test_hmac_sha512 ()
 {
@@ -1031,6 +1078,10 @@ BOOL test_pkcs5 ()
 {
 	char dk[144];
 
+	/* HMAC-SHA-256 tests */
+	if (!test_hmac_sha256())
+		return FALSE;
+
 	/* HMAC-SHA-512 tests */
 	if (!test_hmac_sha512())
 		return FALSE;
@@ -1043,6 +1094,26 @@ BOOL test_pkcs5 ()
 	if (test_hmac_whirlpool() == FALSE)
 		return FALSE;
 
+	/* PKCS-5 test 1 with HMAC-SHA-256 used as the PRF (https://tools.ietf.org/html/draft-josefsson-scrypt-kdf-00) */
+	derive_key_sha256 ("passwd", 6, "\x73\x61\x6C\x74", 4, 1, dk, 64);
+	if (memcmp (dk, "\x55\xac\x04\x6e\x56\xe3\x08\x9f\xec\x16\x91\xc2\x25\x44\xb6\x05\xf9\x41\x85\x21\x6d\xde\x04\x65\xe6\x8b\x9d\x57\xc2\x0d\xac\xbc\x49\xca\x9c\xcc\xf1\x79\xb6\x45\x99\x16\x64\xb3\x9d\x77\xef\x31\x7c\x71\xb8\x45\xb1\xe3\x0b\xd5\x09\x11\x20\x41\xd3\xa1\x97\x83", 64) != 0)
+		return FALSE;
+
+	/* PKCS-5 test 2 with HMAC-SHA-256 used as the PRF (https://stackoverflow.com/questions/5130513/pbkdf2-hmac-sha2-test-vectors) */
+	derive_key_sha256 ("password", 8, "\x73\x61\x6C\x74", 4, 2, dk, 32);
+	if (memcmp (dk, "\xae\x4d\x0c\x95\xaf\x6b\x46\xd3\x2d\x0a\xdf\xf9\x28\xf0\x6d\xd0\x2a\x30\x3f\x8e\xf3\xc2\x51\xdf\xd6\xe2\xd8\x5a\x95\x47\x4c\x43", 32) != 0)
+		return FALSE;
+
+	/* PKCS-5 test 3 with HMAC-SHA-256 used as the PRF (MS CryptoAPI) */
+	derive_key_sha256 ("password", 8, "\x12\x34\x56\x78", 4, 5, dk, 4);
+	if (memcmp (dk, "\xf2\xa0\x4f\xb2", 4) != 0)
+		return FALSE;
+
+	/* PKCS-5 test 4 with HMAC-SHA-256 used as the PRF (MS CryptoAPI) */
+	derive_key_sha256 ("password", 8, "\x12\x34\x56\x78", 4, 5, dk, 144);
+	if (memcmp (dk, "\xf2\xa0\x4f\xb2\xd3\xe9\xa5\xd8\x51\x0b\x5c\x06\xdf\x70\x8e\x24\xe9\xc7\xd9\x15\x3d\x22\xcd\xde\xb8\xa6\xdb\xfd\x71\x85\xc6\x99\x32\xc0\xee\x37\x27\xf7\x24\xcf\xea\xa6\xac\x73\xa1\x4c\x4e\x52\x9b\x94\xf3\x54\x06\xfc\x04\x65\xa1\x0a\x24\xfe\xf0\x98\x1d\xa6\x22\x28\xeb\x24\x55\x74\xce\x6a\x3a\x28\xe2\x04\x3a\x59\x13\xec\x3f\xf2\xdb\xcf\x58\xdd\x53\xd9\xf9\x17\xf6\xda\x74\x06\x3c\x0b\x66\xf5\x0f\xf5\x58\xa3\x27\x52\x8c\x5b\x07\x91\xd0\x81\xeb\xb6\xbc\x30\x69\x42\x71\xf2\xd7\x18\x42\xbe\xe8\x02\x93\x70\x66\xad\x35\x65\xbc\xf7\x96\x8e\x64\xf1\xc6\x92\xda\xe0\xdc\x1f\xb5\xf4", 144) != 0)
+		return FALSE;
+
 	/* PKCS-5 test 1 with HMAC-SHA-512 used as the PRF */
 	derive_key_sha512 ("password", 8, "\x12\x34\x56\x78", 4, 5, dk, 4);
 	if (memcmp (dk, "\x13\x64\xae\xf8", 4) != 0)
-- 
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