1 // Copyright 2015 The Chromium OS Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // THIS CODE IS GENERATED - DO NOT MODIFY! 6 7 #ifndef TPM2_HMAC_FP_H_ 8 #define TPM2_HMAC_FP_H_ 9 10 #include "tpm_generated.h" 11 12 typedef struct { 13 TPMI_DH_OBJECT handle; 14 TPM2B_MAX_BUFFER buffer; 15 TPMI_ALG_HASH hashAlg; 16 } HMAC_In; 17 18 typedef struct { TPM2B_DIGEST outHMAC; } HMAC_Out; 19 20 // Executes HMAC with request handles and parameters from 21 // |in| and computes response handles and parameters to |out|. 22 TPM_RC TPM2_HMAC(HMAC_In* in, HMAC_Out* out); 23 24 // Initializes handle fields in |target| from |request_handles|. Unmarshals 25 // parameter fields in |target| from |buffer|. 26 TPM_RC HMAC_In_Unmarshal(HMAC_In* target, 27 TPM_HANDLE request_handles[], 28 BYTE** buffer, 29 INT32* size); 30 31 // Marshals response handles and parameters from |source| to |buffer|. Computes 32 // and marshals the size of the parameter area (parameter_size) if |tag| == 33 // TPM_ST_SESSIONS. Returns size of (parameter area + handle area) in bytes. 34 // Return value does not include parameter_size field. 35 UINT16 HMAC_Out_Marshal(HMAC_Out* source, 36 TPMI_ST_COMMAND_TAG tag, 37 BYTE** buffer, 38 INT32* size); 39 40 // Unmarshals any request parameters starting at |request_parameter_buffer|. 41 // Executes command. Marshals any response handles and parameters to the 42 // global response buffer and computes |*response_handle_buffer_size| and 43 // |*response_parameter_buffer_size|. If |tag| == TPM_ST_SESSIONS, marshals 44 // parameter_size indicating the size of the parameter area. parameter_size 45 // field is located between the handle area and parameter area. 46 TPM_RC Exec_HMAC(TPMI_ST_COMMAND_TAG tag, 47 BYTE** request_parameter_buffer, 48 INT32* request_parameter_buffer_size, 49 TPM_HANDLE request_handles[], 50 UINT32* response_handle_buffer_size, 51 UINT32* response_parameter_buffer_size); 52 53 #endif // TPM2_HMAC_FP_H 54
