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-rw-r--r--src/crypto/isa-l/isa-l_crypto/aes/gcm_pre.c71
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
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+++ b/src/crypto/isa-l/isa-l_crypto/aes/gcm_pre.c
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+/**********************************************************************
+ 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 };