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Merge pull request #539 from ZZMarquis/patch-2

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[bugfix] EC_KEY_set_ECCrefPublicKey转换过程中未处理字节数组偏移
This commit is contained in:
Zhi Guan
2018-11-26 17:05:41 +08:00
committed by GitHub
parent d4768d2594 e0a9de9a1b
commit 9fe7aa1280
1 changed files with 2 additions and 2 deletions
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4
crypto/gmapi/gmapi_sdf_ec.c
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@@ -119,11 +119,11 @@ int EC_KEY_set_ECCrefPublicKey(EC_KEY *ec_key, const ECCrefPublicKey *ref)
/* ECCrefPublicKey ==> EC_KEY */
nbytes = (ref->bits + 7)/8;
if (!(x = BN_bin2bn(ref->x, nbytes, NULL))) {
if (!(x = BN_bin2bn(ref->x + ECCref_MAX_LEN - nbytes, nbytes, NULL))) {
GMAPIerr(GMAPI_F_EC_KEY_SET_ECCREFPUBLICKEY, ERR_R_BN_LIB);
goto end;
}
if (!(y = BN_bin2bn(ref->y, nbytes, NULL))) {
if (!(y = BN_bin2bn(ref->y + ECCref_MAX_LEN - nbytes, nbytes, NULL))) {
GMAPIerr(GMAPI_F_EC_KEY_SET_ECCREFPUBLICKEY, ERR_R_BN_LIB);
goto end;
}