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097c2bb04c
* Include trng.h from trng.c before any other header to verify that the header is self-contained. * Add inclusion of stdint.h to trng.h to provide definition for uint32_t. BUG=none BRANCH=none TEST=make -j buildall Change-Id: I78fb6d915c357236ca0fed2a57f093f0eec07fe9 Reviewed-on: https://chromium-review.googlesource.com/417424 Commit-Ready: Carl Hamilton <carlh@chromium.org> Tested-by: Carl Hamilton <carlh@chromium.org> Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
33 lines
656 B
C
33 lines
656 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 <stddef.h>
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#include <stdint.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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