1 files changed, 71 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isa-l_crypto/aes/gcm_pre.c b/src/crypto/isa-l/isa-l_crypto/aes/gcm_pre.c
new file mode 100644
index 00000000..7f0bbcba
--- /dev/null
+++ b/src/crypto/isa-l/isa-l_crypto/aes/gcm_pre.c
@@ -0,0 +1,71 @@
+/**********************************************************************
+  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 <aes_gcm.h>
+#include <aes_keyexp.h>
+
+void aes_keyexp_128_enc(uint8_t *, uint8_t *);
+void aesni_gcm128_precomp(struct gcm_data *my_ctx_data);
+void aesni_gcm256_precomp(struct gcm_data *my_ctx_data);
+
+void aesni_gcm128_pre(uint8_t * key, struct gcm_data *gdata)
+{
+	//////
+	// Prefill the key values for each round of encrypting/decrypting
+	// Prefill the Sub Hash key values for encoding the tag
+	//////
+	aes_keyexp_128_enc(key, (uint8_t *) gdata->expanded_keys);
+	aesni_gcm128_precomp(gdata);
+
+}
+
+void aesni_gcm256_pre(uint8_t * key, struct gcm_data *gdata)
+{
+	struct gcm_data tmp;
+	//////
+	// Prefill the key values for each round of encrypting/decrypting
+	// Prefill the Sub Hash key values for encoding the tag
+	//////
+	aes_keyexp_256(key, gdata->expanded_keys, tmp.expanded_keys);
+	aesni_gcm256_precomp(gdata);
+
+}
+
+struct slver {
+	uint16_t snum;
+	uint8_t ver;
+	uint8_t core;
+};
+
+// Version info
+struct slver aesni_gcm128_pre_slver_00000287;
+struct slver aesni_gcm128_pre_slver = { 0x0287, 0x00, 0x00 };
+
+struct slver aesni_gcm256_pre_slver_0000028f;
+struct slver aesni_gcm256_pre_slver = { 0x028f, 0x00, 0x00 };