114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/* cmac-test.c
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include <wolfssl/options.h>
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#include <wolfssl/wolfcrypt/cmac.h>
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#include <wolfssl/wolfcrypt/port/caam/wolfcaam.h>
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#include <sys/mman.h>
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#include <hw/inout.h>
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#include <sys/iofunc.h>
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#include <sys/neutrino.h>
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static const byte k256[] =
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{
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0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe,
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0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
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0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7,
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0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4
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};
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static int createTag(const byte* key, int keySz, byte* msg, int msgSz,
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byte* msg2, int msg2Sz)
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{
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Cmac cmac;
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byte tag[AES_BLOCK_SIZE];
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word32 i, tagSz;
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byte out[48];
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word32 outSz;
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XMEMSET(tag, 0, sizeof(tag));
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tagSz = AES_BLOCK_SIZE;
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outSz = 48;
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wc_caamCoverKey((byte*)key, keySz, out, &outSz, 0);
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if (wc_InitCmac(&cmac, NULL, keySz, WC_CMAC_AES, out) != 0) {
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printf("Cmac init error\n");
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return -1;
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}
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if (wc_CmacUpdate(&cmac, msg, msgSz) != 0) {
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printf("message update error\n");
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return -1;
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}
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if (msg2Sz > 0) {
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if (wc_CmacUpdate(&cmac, msg2, msg2Sz) != 0) {
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printf("message2 update error\n");
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return -1;
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}
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}
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if (wc_CmacFinal(&cmac, tag, &tagSz) != 0) {
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printf("create tag error\n");
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return -1;
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}
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printf("TAG :");
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for (i = 0; i < tagSz; i++)
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printf("%02X", tag[i]);
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printf("\n");
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return 0;
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}
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int main(int argc, char* argv[])
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{
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uintptr_t virtual_base;
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byte msg[256];
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byte msg2[256];
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int i;
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printf("checking out permissions, can we call mmap_device_io?\n");
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virtual_base = mmap_device_io(0x00010000, 0x02140000);
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if (virtual_base == (uintptr_t)MAP_FAILED) {
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perror("mmap_device_io failed for base address ");
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}
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else {
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munmap_device_io(virtual_base, 0x00010000);
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}
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wolfCrypt_Init();
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XMEMSET(msg, 1, sizeof(msg));
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XMEMSET(msg2, 9, sizeof(msg2));
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for (i = 0; i < 256; i+=8) {
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if (createTag(k256, sizeof(k256), msg, i, NULL, 0) != 0)
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return -1;
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}
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wolfCrypt_Cleanup();
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return 0;
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}
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