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fix fpecc normal math init/free issue

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This commit is contained in:
toddouska
2013-10-28 13:17:33 -07:00
parent 9438d0d41b
commit 071338bf39
1 changed files with 9 additions and 18 deletions
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27
ctaocrypt/src/ecc.c
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@@ -3223,6 +3223,10 @@ int ecc_mul2add(ecc_point* A, mp_int* kA,
initMutex = 1; initMutex = 1;
} }
err = mp_init(&mu);
if (err != MP_OKAY)
return err;
if (LockMutex(&ecc_fp_lock) != 0) if (LockMutex(&ecc_fp_lock) != 0)
return BAD_MUTEX_E; return BAD_MUTEX_E;
@@ -3267,17 +3271,8 @@ int ecc_mul2add(ecc_point* A, mp_int* kA,
if (err == MP_OKAY) { if (err == MP_OKAY) {
mpInit = 1; mpInit = 1;
err = mp_init(&mu); err = mp_montgomery_calc_normalization(&mu, modulus);
} }
if (err == MP_OKAY)
err = mp_montgomery_calc_normalization(&mu, modulus);
if (err == MP_OKAY)
/* compute mu */
err = mp_init(&mu);
if (err == MP_OKAY)
err = mp_montgomery_calc_normalization(&mu, modulus);
if (err == MP_OKAY) if (err == MP_OKAY)
/* build the LUT */ /* build the LUT */
@@ -3289,17 +3284,13 @@ int ecc_mul2add(ecc_point* A, mp_int* kA,
/* if it's 2 build the LUT, if it's higher just use the LUT */ /* if it's 2 build the LUT, if it's higher just use the LUT */
if (idx2 >= 0 && fp_cache[idx2].lru_count == 2) { if (idx2 >= 0 && fp_cache[idx2].lru_count == 2) {
if (mpInit == 0) { if (mpInit == 0) {
/* compute mp */ /* compute mp */
err = mp_montgomery_setup(modulus, &mp); err = mp_montgomery_setup(modulus, &mp);
if (err == MP_OKAY) if (err == MP_OKAY) {
mpInit = 1; mpInit = 1;
err = mp_montgomery_calc_normalization(&mu, modulus);
}
} }
if (err == MP_OKAY)
/* compute mu */
err = mp_init(&mu);
if (err == MP_OKAY)
err = mp_montgomery_calc_normalization(&mu, modulus);
if (err == MP_OKAY) if (err == MP_OKAY)
/* build the LUT */ /* build the LUT */