First Push

NVIDIA-Linux-x86_64-535.161.07-grid/kernel/nvidia/hal/library/cryptlib/cryptlib_rng.h

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+/**
+ *  Copyright Notice:
+ *  Copyright 2021-2022 DMTF. All rights reserved.
+ *  License: BSD 3-Clause License. For full text see link: https://github.com/DMTF/libspdm/blob/main/LICENSE.md
+ **/
+
+#ifndef CRYPTLIB_RNG_H
+#define CRYPTLIB_RNG_H
+
+/*=====================================================================================
+ *    Random Number Generation Primitive
+ *=====================================================================================*/
+
+/**
+ * Generates a random byte stream of the specified size. If initialization, testing, or seeding of
+ * the (pseudo)random number generator is required it should be done before this function is called.
+ *
+ * If output is NULL, then return false.
+ * If this interface is not supported, then return false.
+ *
+ * @param[out]  output  Pointer to buffer to receive random value.
+ * @param[in]   size    Size of random bytes to generate.
+ *
+ * @retval true   Random byte stream generated successfully.
+ * @retval false  Generation of random byte stream failed.
+ * @retval false  This interface is not supported.
+ **/
+extern bool libspdm_random_bytes(uint8_t *output, size_t size);
+
+#endif /* CRYPTLIB_RNG_H */