65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
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#include <check.h>
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#include "ntru_crypto.h"
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#include "ntru_crypto_drbg.h"
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#include "test_common.h"
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#include "check_common.h"
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void
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test_drbg_setup(void)
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{
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uint32_t rc;
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rc = ntru_crypto_drbg_external_instantiate(
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(RANDOM_BYTES_FN) &randombytes, &drbg);
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ck_assert_uint_eq(rc, DRBG_RESULT(DRBG_OK));
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}
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void
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test_drbg_teardown(void)
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{
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uint32_t rc;
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rc = ntru_crypto_drbg_uninstantiate(drbg);
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ck_assert_uint_eq(rc, DRBG_RESULT(DRBG_OK));
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}
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uint8_t *
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ntru_ck_malloc(NTRU_CK_MEM *obj, size_t size)
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{
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uint32_t i;
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obj->_alloc = (uint8_t *)malloc(size+32);
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ck_assert_ptr_ne(obj->_alloc, NULL);
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/* Fill first 16 bytes with random data */
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randombytes(obj->_alloc, 16);
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/* Fill last 16 bytes with bit-wise negation of first 16 */
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for(i=0; i<16; i++)
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{
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obj->_alloc[16+size+i] = ~(obj->_alloc[i]);
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}
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obj->ptr = obj->_alloc+16;
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obj->len = size;
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return obj->ptr;
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}
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void
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ntru_ck_mem_ok(NTRU_CK_MEM *obj)
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{
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uint32_t i;
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uint8_t r=0;
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/* check that xor of first 16 bytes with last 16 bytes gives all 1s */
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for(i=0; i<16; i++)
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{
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r |= (obj->_alloc[i] ^ obj->_alloc[16 + obj->len + i]) + 1;
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}
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ck_assert_uint_eq(r, 0);
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}
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void
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ntru_ck_mem_free(NTRU_CK_MEM *obj)
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{
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free(obj->_alloc);
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obj->ptr = NULL;
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obj->len = 0;
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}
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