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617fb66fc7
BRANCH=none TEST=none BUG=chrome-os-partner:43025,chrome-os-partner:47524 Signed-off-by: nagendra modadugu <ngm@google.com> Change-Id: Ic7a850fdf2594ac1981237edda8dceb16cc7cbe6 Reviewed-on: https://chromium-review.googlesource.com/319155 Commit-Ready: Nagendra Modadugu <ngm@google.com> Tested-by: Nagendra Modadugu <ngm@google.com> Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
32 lines
639 B
C
32 lines
639 B
C
/* Copyright 2015 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef __EC_INCLUDE_TRNG_H
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#define __EC_INCLUDE_TRNG_H
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#include <sys/types.h>
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/**
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* Initialize the true random number generator.
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*
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* Not supported by all platforms.
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**/
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void init_trng(void);
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/**
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* Retrieve a 32 bit random value.
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*
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* Not supported on all platforms.
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**/
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uint32_t rand(void);
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/**
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* Output len random bytes into buffer.
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*
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* Not supported on all platforms.
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**/
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void rand_bytes(void *buffer, size_t len);
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#endif /* __EC_INCLUDE_TRNG_H */
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