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authornagendra modadugu <ngm@google.com>2015-12-21 16:18:26 -0800
committerchrome-bot <chrome-bot@chromium.org>2015-12-22 13:12:53 -0800
commit617fb66fc71bbd21edb80d8093f60fa9a8ed6c1c (patch)
tree2863e8a4af87c8c5ce4ea53d6c9ccd76213528db /include/trng.h
parente415307589ed3833fa4e07834139b7ef404a687e (diff)
downloadchrome-ec-617fb66fc71bbd21edb80d8093f60fa9a8ed6c1c.tar.gz
Move rand_bytes implementation from tpm2 to chip/g.
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>
Diffstat (limited to 'include/trng.h')
-rw-r--r--include/trng.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/trng.h b/include/trng.h
index fe1c96825e..a35496c3fd 100644
--- a/include/trng.h
+++ b/include/trng.h
@@ -5,6 +5,8 @@
#ifndef __EC_INCLUDE_TRNG_H
#define __EC_INCLUDE_TRNG_H
+#include <sys/types.h>
+
/**
* Initialize the true random number generator.
*
@@ -19,4 +21,11 @@ void init_trng(void);
**/
uint32_t rand(void);
+/**
+ * Output len random bytes into buffer.
+ *
+ * Not supported on all platforms.
+ **/
+void rand_bytes(void *buffer, size_t len);
+
#endif /* __EC_INCLUDE_TRNG_H */