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-rw-r--r--include/tpm-common.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/tpm-common.h b/include/tpm-common.h
index 5f8bc6bc52..449ad4c96e 100644
--- a/include/tpm-common.h
+++ b/include/tpm-common.h
@@ -26,6 +26,8 @@ enum tpm_duration {
/* Max buffer size supported by our tpm */
#define TPM_DEV_BUFSIZE 1260
+#define TPM_PCR_MINIMUM_DIGEST_SIZE 20
+
/**
* enum tpm_version - The version of the TPM stack to be used
* @TPM_V1: Use TPM v1.x stack