C++ (Cpp) ENGINE_get_pkey_meth_engine示例

示例#1

文件： pmeth_lib.c 项目： ngoyal/openssl

static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
{
    EVP_PKEY_CTX *ret;
    const EVP_PKEY_METHOD *pmeth;
    if (id == -1) {
        if (!pkey || !pkey->ameth)
            return NULL;
        id = pkey->ameth->pkey_id;
    }
#ifndef OPENSSL_NO_ENGINE
    if (e == NULL && pkey != NULL)
        e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
    /* Try to find an ENGINE which implements this method */
    if (e) {
        if (!ENGINE_init(e)) {
            EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
            return NULL;
        }
    } else {
        e = ENGINE_get_pkey_meth_engine(id);
    }

    /*
     * If an ENGINE handled this method look it up. Otherwise use internal
     * tables.
     */

    if (e)
        pmeth = ENGINE_get_pkey_meth(e, id);
    else
#endif
        pmeth = EVP_PKEY_meth_find(id);

    if (pmeth == NULL) {
#ifndef OPENSSL_NO_ENGINE
        ENGINE_finish(e);
#endif
        EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
        return NULL;
    }

    ret = OPENSSL_zalloc(sizeof(*ret));
    if (ret == NULL) {
#ifndef OPENSSL_NO_ENGINE
        ENGINE_finish(e);
#endif
        EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
        return NULL;
    }
    ret->engine = e;
    ret->pmeth = pmeth;
    ret->operation = EVP_PKEY_OP_UNDEFINED;
    ret->pkey = pkey;
    if (pkey)
        EVP_PKEY_up_ref(pkey);

    if (pmeth->init) {
        if (pmeth->init(ret) <= 0) {
            ret->pmeth = NULL;
            EVP_PKEY_CTX_free(ret);
            return NULL;
        }
    }

    return ret;
}

示例#2

文件： pmeth_lib.cpp 项目： Sorcha/NETMF-LPC

static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
	{
	EVP_PKEY_CTX *ret;
	const EVP_PKEY_METHOD *pmeth;
	if (id == -1)
		{
		if (!pkey || !pkey->ameth)
			return NULL;
		id = pkey->ameth->pkey_id;
		}
#ifndef OPENSSL_NO_ENGINE
	/* Try to find an ENGINE which implements this method */
	if (e)
		{
		if (!ENGINE_init(e))
			{
			EVPerr(EVP_F_INT_CTX_NEW,ERR_R_ENGINE_LIB);
			return NULL;
			}
		}
	else
		e = ENGINE_get_pkey_meth_engine(id);

	/* If an ENGINE handled this method look it up. Othewise
	 * use internal tables.
	 */

	if (e)
		pmeth = ENGINE_get_pkey_meth(e, id);
	else
#endif
		pmeth = EVP_PKEY_meth_find(id);

	if (pmeth == NULL)
		{
		EVPerr(EVP_F_INT_CTX_NEW,EVP_R_UNSUPPORTED_ALGORITHM);
		return NULL;
		}

	ret = (EVP_PKEY_CTX *)OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
	if (!ret)
		{
#ifndef OPENSSL_NO_ENGINE
		if (e)
			ENGINE_finish(e);
#endif
		EVPerr(EVP_F_INT_CTX_NEW,ERR_R_MALLOC_FAILURE);
		return NULL;
		}
	ret->engine = e;
	ret->pmeth = pmeth;
	ret->operation = EVP_PKEY_OP_UNDEFINED;
	ret->pkey = pkey;
	ret->peerkey = NULL;
	if (pkey)
		CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
	ret->data = NULL;

	if (pmeth->init)
		{
		if (pmeth->init(ret) <= 0)
			{
			EVP_PKEY_CTX_free(ret);
			return NULL;
			}
		}

	return ret;
	}