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@@ -18,6 +18,12 @@
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#define TPM2_DIGEST_LEN 32
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+#define TPM2_SHA1_DIGEST_SIZE 20
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+#define TPM2_SHA256_DIGEST_SIZE 32
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+#define TPM2_SHA384_DIGEST_SIZE 48
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+#define TPM2_SHA512_DIGEST_SIZE 64
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+#define TPM2_SM3_256_DIGEST_SIZE 32
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+
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#define TPM2_MAX_PCRS 32
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#define TPM2_PCR_SELECT_MAX ((TPM2_MAX_PCRS + 7) / 8)
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#define TPM2_MAX_CAP_BUFFER 1024
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@@ -45,6 +51,15 @@
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#define TPM2_PT_MAX_COMMAND_SIZE (u32)(TPM2_PT_FIXED + 30)
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#define TPM2_PT_MAX_RESPONSE_SIZE (u32)(TPM2_PT_FIXED + 31)
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+/* event types */
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+#define EV_POST_CODE ((u32)0x00000001)
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+#define EV_NO_ACTION ((u32)0x00000003)
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+#define EV_SEPARATOR ((u32)0x00000004)
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+#define EV_S_CRTM_CONTENTS ((u32)0x00000007)
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+#define EV_S_CRTM_VERSION ((u32)0x00000008)
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+#define EV_CPU_MICROCODE ((u32)0x00000009)
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+#define EV_TABLE_OF_DEVICES ((u32)0x0000000B)
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+
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/* TPMS_TAGGED_PROPERTY Structure */
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struct tpms_tagged_property {
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u32 property;
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@@ -86,6 +101,73 @@ struct tpms_capability_data {
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union tpmu_capabilities data;
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} __packed;
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+/**
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+ * SHA1 Event Log Entry Format
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+ *
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+ * @pcr_index: PCRIndex event extended to
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+ * @event_type: Type of event (see EFI specs)
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+ * @digest: Value extended into PCR index
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+ * @event_size: Size of event
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+ * @event: Event data
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+ */
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+struct tcg_pcr_event {
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+ u32 pcr_index;
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+ u32 event_type;
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+ u8 digest[TPM2_SHA1_DIGEST_SIZE];
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+ u32 event_size;
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+ u8 event[];
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+} __packed;
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+
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+/**
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+ * Definition of TPMU_HA Union
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+ */
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+union tmpu_ha {
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+ u8 sha1[TPM2_SHA1_DIGEST_SIZE];
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+ u8 sha256[TPM2_SHA256_DIGEST_SIZE];
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+ u8 sm3_256[TPM2_SM3_256_DIGEST_SIZE];
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+ u8 sha384[TPM2_SHA384_DIGEST_SIZE];
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+ u8 sha512[TPM2_SHA512_DIGEST_SIZE];
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+} __packed;
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+
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+/**
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+ * Definition of TPMT_HA Structure
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+ *
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+ * @hash_alg: Hash algorithm defined in enum tpm2_algorithms
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+ * @digest: Digest value for a given algorithm
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+ */
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+struct tpmt_ha {
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+ u16 hash_alg;
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+ union tmpu_ha digest;
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+} __packed;
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+
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+/**
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+ * Definition of TPML_DIGEST_VALUES Structure
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+ *
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+ * @count: Number of algorithms supported by hardware
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+ * @digests: struct for algorithm id and hash value
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+ */
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+struct tpml_digest_values {
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+ u32 count;
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+ struct tpmt_ha digests[TPM2_NUM_PCR_BANKS];
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+} __packed;
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+
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+/**
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+ * Crypto Agile Log Entry Format
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+ *
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+ * @pcr_index: PCRIndex event extended to
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+ * @event_type: Type of event
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+ * @digests: List of digestsextended to PCR index
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+ * @event_size: Size of the event data
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+ * @event: Event data
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+ */
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+struct tcg_pcr_event2 {
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+ u32 pcr_index;
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+ u32 event_type;
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+ struct tpml_digest_values digests;
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+ u32 event_size;
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+ u8 event[];
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+} __packed;
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+
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/**
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* TPM2 Structure Tags for command/response buffers.
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*
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