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ntru: Fix compiler warning caused by ++/-- on righthand side of an assignment 

The behavior of stuff like x = --x; (or x++) is not defined.
This commit is contained in:
Tobias Brunner 2013-11-28 17:31:46 +01:00 committed by Andreas Steffen
parent ea4f71c2c3
commit 3e8a44c2aa
1 changed files with 4 additions and 4 deletions
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8
src/libstrongswan/plugins/ntru/ntru_crypto/ntru_crypto_ntru_encrypt.c
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@ -591,9 +591,9 @@ ntru_crypto_ntru_decrypt(
for (i = 0; i < cmprime_len; i++) {
if (Mtrin_buf[i] == 1)
ringel_buf2[i] = --ringel_buf2[i] & mod_q_mask;
ringel_buf2[i] = (ringel_buf2[i] - 1) & mod_q_mask;
else if (Mtrin_buf[i] == 2)
ringel_buf2[i] = ++ringel_buf2[i] & mod_q_mask;
ringel_buf2[i] = (ringel_buf2[i] + 1) & mod_q_mask;
}
if (params->is_product_form)
ringel_buf2[i] = (ringel_buf2[i] + m1) & mod_q_mask;
@ -940,11 +940,11 @@ ntru_crypto_ntru_encrypt_keygen(
for (i = 0; i < dF3; i++) {
uint16_t index = F_buf[dF3_offset + i];
ringel_buf1[index] = ++ringel_buf1[index] & mod_q_mask;
ringel_buf1[index] = (ringel_buf1[index] + 1) & mod_q_mask;
}
for (; i < (dF3 << 1); i++) {
uint16_t index = F_buf[dF3_offset + i];
ringel_buf1[index] = --ringel_buf1[index] & mod_q_mask;
ringel_buf1[index] = (ringel_buf1[index] - 1) & mod_q_mask;
}
} else {