mirror of https://gitee.com/openkylin/qemu.git
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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/*
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* QEMU Crypto random number provider
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*
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* Copyright (c) 2015-2016 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef QCRYPTO_RANDOM_H__
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#define QCRYPTO_RANDOM_H__
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#include "qemu-common.h"
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#include "qapi/error.h"
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/**
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* qcrypto_random_bytes:
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* @buf: the buffer to fill
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* @buflen: length of @buf in bytes
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* @errp: pointer to a NULL-initialized error object
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*
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* Fill @buf with @buflen bytes of cryptographically strong
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* random data
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*
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* Returns 0 on sucess, -1 on error
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*/
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int qcrypto_random_bytes(uint8_t *buf,
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size_t buflen,
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Error **errp);
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#endif /* QCRYPTO_RANDOM_H__ */
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