/* * QEMU Crypto random number provider * * Copyright (c) 2015-2016 Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see <http://www.gnu.org/licenses/>. * */ #ifndef QCRYPTO_RANDOM_H #define QCRYPTO_RANDOM_H /** * qcrypto_random_bytes: * @buf: the buffer to fill * @buflen: length of @buf in bytes * @errp: pointer to a NULL-initialized error object * * Fill @buf with @buflen bytes of cryptographically strong * random data * * Returns 0 on success, -1 on error */ int qcrypto_random_bytes(void *buf, size_t buflen, Error **errp); /** * qcrypto_random_init: * @errp: pointer to a NULL-initialized error object * * Initializes the handles used by qcrypto_random_bytes * * Returns 0 on success, -1 on error */ int qcrypto_random_init(Error **errp); #endif /* QCRYPTO_RANDOM_H */