1 files changed, 116 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/aes/xts_128_expanded_key_test.c b/src/crypto/isa-l/isa-l_crypto/aes/xts_128_expanded_key_test.c
new file mode 100644
index 000000000..3b294ef70
--- /dev/null
+++ b/src/crypto/isa-l/isa-l_crypto/aes/xts_128_expanded_key_test.c
@@ -0,0 +1,116 @@
+/**********************************************************************
+  Copyright(c) 2011-2016 Intel Corporation All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions 
+  are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+    * Neither the name of Intel Corporation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <aes_keyexp.h>
+#include "xts_128_vect.h"
+
+int main(void)
+{
+
+	// Temporary array for the calculated vectors
+	uint8_t *ct_test;
+	uint8_t *pt_test;
+	// Arrays for expanded keys, null_key is a dummy vector (decrypt key not
+	// needed for the tweak part of the decryption)
+	uint8_t expkey1_enc[16 * 11], expkey2_enc[16 * 11];
+	uint8_t expkey1_dec[16 * 11], null_key[16 * 11];
+
+	int i, j;
+
+	// --- Encryption test ---
+
+	// Loop over the vectors
+	for (i = 0; i < NVEC; i++) {
+
+		// Allocate space for the calculated ciphertext
+		ct_test = malloc(vlist[i].ptlen);
+		if (ct_test == NULL) {
+			printf("Can't allocate ciphertext memory\n");
+			return -1;
+		}
+		// Pre-expand keys (will only use the encryption ones here)
+		aes_keyexp_128(vlist[i].key1, expkey1_enc, expkey1_dec);
+		aes_keyexp_128(vlist[i].key2, expkey2_enc, null_key);
+
+		XTS_AES_128_enc_expanded_key(expkey2_enc, expkey1_enc, vlist[i].TW,
+					     vlist[i].ptlen, vlist[i].PTX, ct_test);
+
+		// Carry out comparison of the calculated ciphertext with 
+		// the reference
+		for (j = 0; j < vlist[i].ptlen; j++) {
+
+			if (ct_test[j] != vlist[i].CTX[j]) {
+				// Vectors 1-10 and 15-19 are for the 128 bit code
+				printf("\nXTS_AES_128_enc: Vector %d: ",
+				       i < 9 ? i + 1 : i + 6);
+				printf("failed at byte %d! \n", j);
+				return -1;
+			}
+		}
+		printf(".");
+	}
+
+	// --- Decryption test ---
+
+	// Loop over the vectors
+	for (i = 0; i < NVEC; i++) {
+
+		// Allocate space for the calculated ciphertext
+		pt_test = malloc(vlist[i].ptlen);
+		if (pt_test == NULL) {
+			printf("Can't allocate plaintext memory\n");
+			return -1;
+		}
+		// Pre-expand keys for the decryption 
+		aes_keyexp_128(vlist[i].key1, expkey1_enc, expkey1_dec);
+		aes_keyexp_128(vlist[i].key2, expkey2_enc, null_key);
+
+		// Note, encryption key is re-used for the tweak decryption step
+		XTS_AES_128_dec_expanded_key(expkey2_enc, expkey1_dec, vlist[i].TW,
+					     vlist[i].ptlen, vlist[i].CTX, pt_test);
+
+		// Carry out comparison of the calculated ciphertext with 
+		// the reference
+		for (j = 0; j < vlist[i].ptlen; j++) {
+
+			if (pt_test[j] != vlist[i].PTX[j]) {
+				printf("\nXTS_AES_128_enc: Vector %d: ",
+				       i < 9 ? i + 1 : i + 6);
+				printf(" failed at byte %d! \n", j);
+				return -1;
+			}
+		}
+		printf(".");
+	}
+	printf("Pass\n");
+
+	return 0;
+}