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https://github.com/intel/linux-sgx
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llly
96 lines
3.0 KiB
C
96 lines
3.0 KiB
C
/* Copyright © 2012, Intel Corporation. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of Intel Corporation nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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EVENT SHALL INTEL CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE. */
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#include <stdio.h>
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#include <string.h>
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#include "rdrand.h"
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#define BUFFSIZE 1275
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int main()
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{
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int r;
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uint16_t u16;
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uint32_t u32;
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uint64_t u64;
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uint32_t array32[10];
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uint64_t array64[10];
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unsigned char buffer[BUFFSIZE];
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r = rdrand_16(&u16, 10);
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if (r != RDRAND_SUCCESS ) printf("rdrand instruction failed with code %d\n", r);
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r = rdrand_32(&u32, 10);
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if (r != RDRAND_SUCCESS ) printf("rdrand instruction failed with code %d\n", r);
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r = rdrand_64(&u64, 10);
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if (r != RDRAND_SUCCESS ) printf("rdrand instruction failed with code %d\n", r);
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printf("uint16: %u\n", u16);
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printf("uint32: %u\n", u32);
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printf("uint64: %llu\n", (unsigned long long) u64);
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r = rdrand_get_n_32(10, array32);
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if ( r == RDRAND_SUCCESS ) {
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int i;
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printf("\n10 uint32's:\n");
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for (i= 0; i< 10; ++i) {
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printf("%u\n", array32[i]);
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}
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} else printf("rdrand instruction failed with code %d\n", r);
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r = rdrand_get_n_64(10, array64);
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if ( r == RDRAND_SUCCESS ) {
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int i;
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printf("\n10 uint64's:\n");
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for (i= 0; i< 10; ++i) {
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printf("%llu\n", (unsigned long long) array64[i]);
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}
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} else printf("rdrand instruction failed with code %d\n", r);
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memset(buffer, 0, BUFFSIZE);
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r = rdrand_get_bytes(BUFFSIZE, buffer);
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if ( r == RDRAND_SUCCESS ) {
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int i, j;
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printf("\nBuffer of %ld bytes:\n", (long) BUFFSIZE);
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j= 0;
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for (i= 0; i< BUFFSIZE; ++i)
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{
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printf("%02x ", buffer[i]);
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++j;
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if ( j == 16 ) {
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j= 0;
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printf("\n");
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} else if ( j == 8 ) printf(" ");
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}
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printf("\n");
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} else printf("rdrand instruction failed with code %d\n", r);
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}
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