本文整理汇总了C++中EC_EXTRA_DATA::dup_func方法的典型用法代码示例。如果您正苦于以下问题：C++ EC_EXTRA_DATA::dup_func方法的具体用法？C++ EC_EXTRA_DATA::dup_func怎么用？C++ EC_EXTRA_DATA::dup_func使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类EC_EXTRA_DATA的用法示例。
在下文中一共展示了EC_EXTRA_DATA::dup_func方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
EC_KEY *
EC_KEY_copy(EC_KEY * dest, const EC_KEY * src)
{
EC_EXTRA_DATA *d;
if (dest == NULL || src == NULL) {
ECerr(EC_F_EC_KEY_COPY, ERR_R_PASSED_NULL_PARAMETER);
return NULL;
}
/* copy the parameters */
if (src->group) {
const EC_METHOD *meth = EC_GROUP_method_of(src->group);
/* clear the old group */
EC_GROUP_free(dest->group);
dest->group = EC_GROUP_new(meth);
if (dest->group == NULL)
return NULL;
if (!EC_GROUP_copy(dest->group, src->group))
return NULL;
}
/* copy the public key */
if (src->pub_key && src->group) {
EC_POINT_free(dest->pub_key);
dest->pub_key = EC_POINT_new(src->group);
if (dest->pub_key == NULL)
return NULL;
if (!EC_POINT_copy(dest->pub_key, src->pub_key))
return NULL;
}
/* copy the private key */
if (src->priv_key) {
if (dest->priv_key == NULL) {
dest->priv_key = BN_new();
if (dest->priv_key == NULL)
return NULL;
}
if (!BN_copy(dest->priv_key, src->priv_key))
return NULL;
}
/* copy method/extra data */
EC_EX_DATA_free_all_data(&dest->method_data);
for (d = src->method_data; d != NULL; d = d->next) {
void *t = d->dup_func(d->data);
if (t == NULL)
return 0;
if (!EC_EX_DATA_set_data(&dest->method_data, t, d->dup_func,
d->free_func, d->clear_free_func))
return 0;
}
/* copy the rest */
dest->enc_flag = src->enc_flag;
dest->conv_form = src->conv_form;
dest->version = src->version;
dest->flags = src->flags;
return dest;
}示例2: EC_GROUP_copy
int EC_GROUP_copy(EC_GROUP *dest, const EC_GROUP *src)
{
EC_EXTRA_DATA *d;
if (dest->meth->group_copy == 0)
{
ECerr(EC_F_EC_GROUP_COPY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
if (dest->meth != src->meth)
{
ECerr(EC_F_EC_GROUP_COPY, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
if (dest == src)
return 1;
EC_EX_DATA_free_all_data(&dest->extra_data);
for (d = src->extra_data; d != NULL; d = d->next)
{
void *t = d->dup_func(d->data);
if (t == NULL)
return 0;
if (!EC_EX_DATA_set_data(&dest->extra_data, t, d->dup_func, d->free_func, d->clear_free_func))
return 0;
}
if (src->generator != NULL)
{
if (dest->generator == NULL)
{
dest->generator = EC_POINT_new(dest);
if (dest->generator == NULL) return 0;
}
if (!EC_POINT_copy(dest->generator, src->generator)) return 0;
}
else
{
/* src->generator == NULL */
if (dest->generator != NULL)
{
EC_POINT_clear_free(dest->generator);
dest->generator = NULL;
}
}
if (!BN_copy(&dest->order, &src->order)) return 0;
if (!BN_copy(&dest->cofactor, &src->cofactor)) return 0;
dest->curve_name = src->curve_name;
dest->asn1_flag = src->asn1_flag;
dest->asn1_form = src->asn1_form;
if (src->seed)
{
if (dest->seed)
OPENSSL_free(dest->seed);
dest->seed = OPENSSL_malloc(src->seed_len);
if (dest->seed == NULL)
return 0;
if (!memcpy(dest->seed, src->seed, src->seed_len))
return 0;
dest->seed_len = src->seed_len;
}
else
{
if (dest->seed)
OPENSSL_free(dest->seed);
dest->seed = NULL;
dest->seed_len = 0;
}
return dest->meth->group_copy(dest, src);
}