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-rw-r--r--src/spdk/intel-ipsec-mb/kasumi_iv.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/spdk/intel-ipsec-mb/kasumi_iv.c b/src/spdk/intel-ipsec-mb/kasumi_iv.c
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+/*******************************************************************************
+ Copyright (c) 2019, Intel Corporation
+
+ 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 <string.h>
+
+#include "intel-ipsec-mb.h"
+#include "include/wireless_common.h"
+
+int
+kasumi_f8_iv_gen(const uint32_t count, const uint8_t bearer,
+ const uint8_t dir, void *iv_ptr)
+{
+ uint8_t *iv = (uint8_t *) iv_ptr;
+ uint32_t *iv32 = (uint32_t *) iv_ptr;
+
+ if (iv_ptr == NULL)
+ return -1;
+
+ /* Bearer must contain 5 bits only */
+ if (bearer >= (1<<5))
+ return -1;
+
+ /* Direction must contain 1 bit only */
+ if (dir > 1)
+ return -1;
+
+ /* IV[0-3] = COUNT */
+ iv32[0] = bswap4(count);
+
+ /* IV[4] = BEARER || DIRECTION || 0s */
+ iv[4] = (bearer << 3) + (dir << 2);
+
+ /* IV[5-7] = Os */
+ memset(&iv[5], 0, 3);
+
+ return 0;
+}
+
+int
+kasumi_f9_iv_gen(const uint32_t count, const uint32_t fresh,
+ void *iv_ptr)
+{
+ uint32_t *iv32 = (uint32_t *) iv_ptr;
+
+ if (iv_ptr == NULL)
+ return -1;
+
+ /* IV[0-3] = COUNT */
+ iv32[0] = bswap4(count);
+
+ /* IV[4-7] = FRESH */
+ iv32[0] = bswap4(fresh);
+
+ return 0;
+}