]> git.sur5r.net Git - u-boot/blobdiff - include/tpm-v2.h
Merge branch 'master' of git://git.denx.de/u-boot-sunxi
[u-boot] / include / tpm-v2.h
index a9c604dd52400f81a8ed42174440954816417ba5..780e0619750cef4c6c8ea6c2144b2de9196b1e3b 100644 (file)
@@ -80,11 +80,13 @@ enum tpm2_command_codes {
        TPM2_CC_CLEAR           = 0x0126,
        TPM2_CC_CLEARCONTROL    = 0x0127,
        TPM2_CC_HIERCHANGEAUTH  = 0x0129,
+       TPM2_CC_PCR_SETAUTHPOL  = 0x012C,
        TPM2_CC_DAM_RESET       = 0x0139,
        TPM2_CC_DAM_PARAMETERS  = 0x013A,
        TPM2_CC_GET_CAPABILITY  = 0x017A,
        TPM2_CC_PCR_READ        = 0x017E,
        TPM2_CC_PCR_EXTEND      = 0x0182,
+       TPM2_CC_PCR_SETAUTHVAL  = 0x0183,
 };
 
 /**
@@ -134,4 +136,127 @@ enum tpm2_algorithms {
  */
 u32 tpm2_startup(enum tpm2_startup_types mode);
 
+/**
+ * Issue a TPM2_SelfTest command.
+ *
+ * @full_test  Asking to perform all tests or only the untested ones
+ *
+ * @return code of the operation
+ */
+u32 tpm2_self_test(enum tpm2_yes_no full_test);
+
+/**
+ * Issue a TPM2_Clear command.
+ *
+ * @handle     Handle
+ * @pw         Password
+ * @pw_sz      Length of the password
+ *
+ * @return code of the operation
+ */
+u32 tpm2_clear(u32 handle, const char *pw, const ssize_t pw_sz);
+
+/**
+ * Issue a TPM2_PCR_Extend command.
+ *
+ * @index      Index of the PCR
+ * @digest     Value representing the event to be recorded
+ *
+ * @return code of the operation
+ */
+u32 tpm2_pcr_extend(u32 index, const uint8_t *digest);
+
+/**
+ * Issue a TPM2_PCR_Read command.
+ *
+ * @idx                Index of the PCR
+ * @idx_min_sz Minimum size in bytes of the pcrSelect array
+ * @data       Output buffer for contents of the named PCR
+ * @updates    Optional out parameter: number of updates for this PCR
+ *
+ * @return code of the operation
+ */
+u32 tpm2_pcr_read(u32 idx, unsigned int idx_min_sz, void *data,
+                 unsigned int *updates);
+
+/**
+ * Issue a TPM2_GetCapability command.  This implementation is limited
+ * to query property index that is 4-byte wide.
+ *
+ * @capability Partition of capabilities
+ * @property   Further definition of capability, limited to be 4 bytes wide
+ * @buf                Output buffer for capability information
+ * @prop_count Size of output buffer
+ *
+ * @return code of the operation
+ */
+u32 tpm2_get_capability(u32 capability, u32 property, void *buf,
+                       size_t prop_count);
+
+/**
+ * Issue a TPM2_DictionaryAttackLockReset command.
+ *
+ * @pw         Password
+ * @pw_sz      Length of the password
+ *
+ * @return code of the operation
+ */
+u32 tpm2_dam_reset(const char *pw, const ssize_t pw_sz);
+
+/**
+ * Issue a TPM2_DictionaryAttackParameters command.
+ *
+ * @pw         Password
+ * @pw_sz      Length of the password
+ * @max_tries  Count of authorizations before lockout
+ * @recovery_time Time before decrementation of the failure count
+ * @lockout_recovery Time to wait after a lockout
+ *
+ * @return code of the operation
+ */
+u32 tpm2_dam_parameters(const char *pw, const ssize_t pw_sz,
+                       unsigned int max_tries, unsigned int recovery_time,
+                       unsigned int lockout_recovery);
+
+/**
+ * Issue a TPM2_HierarchyChangeAuth command.
+ *
+ * @handle     Handle
+ * @newpw      New password
+ * @newpw_sz   Length of the new password
+ * @oldpw      Old password
+ * @oldpw_sz   Length of the old password
+ *
+ * @return code of the operation
+ */
+int tpm2_change_auth(u32 handle, const char *newpw, const ssize_t newpw_sz,
+                    const char *oldpw, const ssize_t oldpw_sz);
+
+/**
+ * Issue a TPM_PCR_SetAuthPolicy command.
+ *
+ * @pw         Platform password
+ * @pw_sz      Length of the password
+ * @index      Index of the PCR
+ * @digest     New key to access the PCR
+ *
+ * @return code of the operation
+ */
+u32 tpm2_pcr_setauthpolicy(const char *pw, const ssize_t pw_sz, u32 index,
+                          const char *key);
+
+/**
+ * Issue a TPM_PCR_SetAuthValue command.
+ *
+ * @pw         Platform password
+ * @pw_sz      Length of the password
+ * @index      Index of the PCR
+ * @digest     New key to access the PCR
+ * @key_sz     Length of the new key
+ *
+ * @return code of the operation
+ */
+u32 tpm2_pcr_setauthvalue(const char *pw, const ssize_t pw_sz, u32 index,
+                         const char *key, const ssize_t key_sz);
+
 #endif /* __TPM_V2_H */