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- #include <wolfssl/options.h>
- #include <wolfssl/wolfcrypt/cmac.h>
- #include <wolfssl/wolfcrypt/port/caam/wolfcaam.h>
- #include <sys/mman.h>
- #include <hw/inout.h>
- #include <sys/iofunc.h>
- #include <sys/neutrino.h>
- static const byte k256[] =
- {
- 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe,
- 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
- 0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7,
- 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4
- };
- static int createTag(const byte* key, int keySz, byte* msg, int msgSz,
- byte* msg2, int msg2Sz)
- {
- Cmac cmac;
- byte tag[AES_BLOCK_SIZE];
- word32 i, tagSz;
- byte out[48];
- word32 outSz;
- XMEMSET(tag, 0, sizeof(tag));
- tagSz = AES_BLOCK_SIZE;
- outSz = 48;
- wc_caamCoverKey((byte*)key, keySz, out, &outSz, 0);
- if (wc_InitCmac(&cmac, NULL, keySz, WC_CMAC_AES, out) != 0) {
- printf("Cmac init error\n");
- return -1;
- }
- if (wc_CmacUpdate(&cmac, msg, msgSz) != 0) {
- printf("message update error\n");
- return -1;
- }
- if (msg2Sz > 0) {
- if (wc_CmacUpdate(&cmac, msg2, msg2Sz) != 0) {
- printf("message2 update error\n");
- return -1;
- }
- }
- if (wc_CmacFinal(&cmac, tag, &tagSz) != 0) {
- printf("create tag error\n");
- return -1;
- }
- printf("TAG :");
- for (i = 0; i < tagSz; i++)
- printf("%02X", tag[i]);
- printf("\n");
- return 0;
- }
- int main(int argc, char* argv[])
- {
- uintptr_t virtual_base;
- byte msg[256];
- byte msg2[256];
- int i;
- printf("checking out permissions, can we call mmap_device_io?\n");
- virtual_base = mmap_device_io(0x00010000, 0x02140000);
- if (virtual_base == (uintptr_t)MAP_FAILED) {
- perror("mmap_device_io failed for base address ");
- }
- else {
- munmap_device_io(virtual_base, 0x00010000);
- }
- wolfCrypt_Init();
- XMEMSET(msg, 1, sizeof(msg));
- XMEMSET(msg2, 9, sizeof(msg2));
- for (i = 0; i < 256; i+=8) {
- if (createTag(k256, sizeof(k256), msg, i, NULL, 0) != 0)
- return -1;
- }
- wolfCrypt_Cleanup();
- return 0;
- }
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