| /* |
| * swtpm_aes.h |
| * |
| * Author: Stefan Berger stefanb@us.ibm.com |
| * |
| * |
| * (c) Copyright IBM Corporation 2014. |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * Neither the names of the IBM Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef _SWTPM_AES_H_ |
| #define _SWTPM_AES_H_ |
| |
| #include <libtpms/tpm_types.h> |
| |
| #define SWTPM_AES128_BLOCK_SIZE 16 |
| #define SWTPM_AES256_BLOCK_SIZE 32 |
| |
| typedef struct tdTPM_SYMMETRIC_KEY_DATA { |
| unsigned char userKey[SWTPM_AES256_BLOCK_SIZE]; |
| size_t userKeyLength; |
| } TPM_SYMMETRIC_KEY_DATA; |
| |
| TPM_RESULT SWTPM_SymmetricKeyData_Encrypt(unsigned char **encrypt_data, |
| uint32_t *encrypt_length, |
| const unsigned char *decrypt_data, |
| uint32_t decrypt_length, |
| const TPM_SYMMETRIC_KEY_DATA |
| *tpm_symmetric_key_token, |
| const unsigned char *ivec, |
| uint32_t ivec_length); |
| |
| TPM_RESULT SWTPM_SymmetricKeyData_Decrypt(unsigned char **decrypt_data, |
| uint32_t *decrypt_length, |
| const unsigned char *encrypt_data, |
| uint32_t encrypt_length, |
| const TPM_SYMMETRIC_KEY_DATA |
| *tpm_symmetric_key_token, |
| const unsigned char *ivec, |
| uint32_t ivec_length); |
| |
| #endif /* _SWTPM_AES_H_ */ |
