};
#define TPM_NV_PER_GLOBALLOCK (1U << 15)
+#define TPM_NV_PER_PPREAD (1U << 16)
#define TPM_NV_PER_PPWRITE (1U << 0)
#define TPM_NV_PER_READ_STCLEAR (1U << 31)
#define TPM_NV_PER_WRITE_STCLEAR (1U << 14)
+#define TPM_NV_PER_WRITEDEFINE (1U << 13)
+#define TPM_NV_PER_WRITEALL (1U << 12)
enum {
TPM_PUBEK_SIZE = 256,
uint32_t tpm_find_key_sha1(const uint8_t auth[20], const uint8_t
pubkey_digest[20], uint32_t *handle);
#endif /* CONFIG_TPM_LOAD_KEY_BY_SHA1 */
+
+/**
+ * Read random bytes from the TPM RNG. The implementation deals with the fact
+ * that the TPM may legally return fewer bytes than requested by retrying
+ * until @p count bytes have been received.
+ *
+ * @param data output buffer for the random bytes
+ * @param count size of output buffer
+ * @return return code of the operation
+ */
+uint32_t tpm_get_random(void *data, uint32_t count);
+
#endif /* __TPM_H */