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check EC public key isn't point at infinity

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This commit is contained in:
Dr. Stephen Henson 2011-01-24 15:07:47 +00:00
parent 913488c066
commit d184c7b271
1 changed files with 7 additions and 1 deletions
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8
crypto/ec/ec_key.c
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@ -304,7 +304,13 @@ int EC_KEY_check_key(const EC_KEY *eckey)
ECerr(EC_F_EC_KEY_CHECK_KEY, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (EC_POINT_is_at_infinity(eckey->group, eckey->pub_key))
{
ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_POINT_AT_INFINITY);
goto err;
}
if ((ctx = BN_CTX_new()) == NULL)
goto err;
if ((point = EC_POINT_new(eckey->group)) == NULL)