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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/spdk/intel-ipsec-mb/zuc_iv.c
parentInitial commit. (diff)
downloadceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz
ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/spdk/intel-ipsec-mb/zuc_iv.c')
-rw-r--r--src/spdk/intel-ipsec-mb/zuc_iv.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/spdk/intel-ipsec-mb/zuc_iv.c b/src/spdk/intel-ipsec-mb/zuc_iv.c
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+++ b/src/spdk/intel-ipsec-mb/zuc_iv.c
@@ -0,0 +1,103 @@
+/*******************************************************************************
+ 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
+zuc_eea3_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 == 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);
+
+ /* IV[8-15] = IV[0-7] */
+ memcpy(&iv[8], &iv[0], 8);
+
+ return 0;
+}
+
+int
+zuc_eia3_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 == 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 || 0s */
+ iv[4] = bearer << 3;
+
+ /* IV[5-7] = Os */
+ memset(&iv[5], 0, 3);
+
+ /* IV[8-15] = IV[0-7] */
+ memcpy(&iv[8], &iv[0], 8);
+
+ /* IV[8] = IV[0] XOR (DIR << 7) */
+ iv[8] ^= (dir << 7);
+
+ /* IV[14] = IV[6] XOR (DIR << 7) */
+ iv[14] ^= (dir << 7);
+
+ return 0;
+}