From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- src/spdk/intel-ipsec-mb/zuc_iv.c | 103 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 src/spdk/intel-ipsec-mb/zuc_iv.c (limited to 'src/spdk/intel-ipsec-mb/zuc_iv.c') diff --git a/src/spdk/intel-ipsec-mb/zuc_iv.c b/src/spdk/intel-ipsec-mb/zuc_iv.c new file mode 100644 index 000000000..72dd28852 --- /dev/null +++ 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 + +#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; +} -- cgit v1.2.3