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/*
* 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 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
#include "qemu-common.h"
#include "qapi/error.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(uint8_t *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 */
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