1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/antirollback.h b/src/include/antirollback.h
index 942793a62b..5ba36f7e65 100644
--- a/src/include/antirollback.h
+++ b/src/include/antirollback.h
@@ -12,6 +12,7 @@
 #include "tpm_lite/tss_constants.h"
 
 struct vb2_context;
+enum vb2_pcr_digest;
 
 /* TPM NVRAM location indices. */
 #define FIRMWARE_NV_INDEX               0x1007
@@ -51,6 +52,12 @@ uint32_t antirollback_lock_space_firmware(void);
  */
 
 /**
+ * Ask vboot for a digest and extend a TPM PCR with it.
+ */
+uint32_t tpm_extend_pcr(struct vb2_context *ctx, int pcr,
+			enum vb2_pcr_digest which_digest);
+
+/**
  * Issue a TPM_Clear and reenable/reactivate the TPM.
  */
 uint32_t tpm_clear_and_reenable(void);