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Add a test for sodium_sub()

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This commit is contained in:
Frank Denis 2019-01-02 15:32:59 +01:00
parent 6bbcab33ed
commit d333f509a2
1 changed files with 16 additions and 3 deletions
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19
test/default/sodium_utils.c
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@ -60,8 +60,7 @@ main(void)
buf2_rev[bin_len - 1 - j] = buf2[j]; buf2_rev[bin_len - 1 - j] = buf2[j];
} }
if (memcmp(buf1_rev, buf2_rev, bin_len) * if (memcmp(buf1_rev, buf2_rev, bin_len) *
sodium_compare(buf1, buf2, bin_len) < sodium_compare(buf1, buf2, bin_len) < 0) {
0) {
printf("sodium_compare() failure with length=%u\n", printf("sodium_compare() failure with length=%u\n",
(unsigned int) bin_len); (unsigned int) bin_len);
} }
@ -106,7 +105,21 @@ main(void)
if (sodium_compare(buf1, buf2, bin_len) != 0) { if (sodium_compare(buf1, buf2, bin_len) != 0) {
printf("sodium_add() failed\n"); printf("sodium_add() failed\n");
} }
for (i = 0U; i < 1000U; i++) {
randombytes_buf(buf1, bin_len);
randombytes_buf(buf2, bin_len);
sodium_add(buf1, buf2, bin_len);
sodium_sub(buf1, buf2, bin_len);
sodium_sub(buf1, buf2, 0U);
if (sodium_is_zero(buf1, bin_len) &&
!sodium_is_zero(buf1, bin_len)) {
printf("sodium_sub() failed\n");
}
sodium_sub(buf1, buf1, bin_len);
if (!sodium_is_zero(buf1, bin_len)) {
printf("sodium_sub() failed\n");
}
}
assert(sizeof nonce >= 24U); assert(sizeof nonce >= 24U);
memset(nonce, 0xfe, 24U); memset(nonce, 0xfe, 24U);
memset(nonce, 0xff, 6U); memset(nonce, 0xff, 6U);