1 /* Microsoft Reference Implementation for TPM 2.0
2 *
3 * The copyright in this software is being made available under the BSD License,
4 * included below. This software may be subject to other third party and
5 * contributor rights, including patent rights, and no such rights are granted
6 * under this license.
7 *
8 * Copyright (c) Microsoft Corporation
9 *
10 * All rights reserved.
11 *
12 * BSD License
13 *
14 * Redistribution and use in source and binary forms, with or without modification,
15 * are permitted provided that the following conditions are met:
16 *
17 * Redistributions of source code must retain the above copyright notice, this list
18 * of conditions and the following disclaimer.
19 *
20 * Redistributions in binary form must reproduce the above copyright notice, this
21 * list of conditions and the following disclaimer in the documentation and/or
22 * other materials provided with the distribution.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ""AS IS""
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
28 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
31 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35 #include "Tpm.h"
36 #include "EncryptDecrypt2_fp.h"
37 #include "EncryptDecrypt_fp.h"
38 #include "EncryptDecrypt_spt_fp.h"
39
40 #if CC_EncryptDecrypt2 // Conditional expansion of this file
41
42 /*(See part 3 specification)
43 // symmetric encryption or decryption using modified parameter list
44 */
45 // Return Type: TPM_RC
46 // TPM_RC_KEY is not a symmetric decryption key with both
47 // public and private portions loaded
48 // TPM_RC_SIZE 'IvIn' size is incompatible with the block cipher mode;
49 // or 'inData' size is not an even multiple of the block
50 // size for CBC or ECB mode
51 // TPM_RC_VALUE 'keyHandle' is restricted and the argument 'mode' does
52 // not match the key's mode
53 TPM_RC
TPM2_EncryptDecrypt2(EncryptDecrypt2_In * in,EncryptDecrypt2_Out * out)54 TPM2_EncryptDecrypt2(
55 EncryptDecrypt2_In *in, // IN: input parameter list
56 EncryptDecrypt2_Out *out // OUT: output parameter list
57 )
58 {
59 TPM_RC result;
60 // EncryptDecyrptShared() performs the operations as shown in
61 // TPM2_EncrypDecrypt
62 result = EncryptDecryptShared(in->keyHandle, in->decrypt, in->mode,
63 &in->ivIn, &in->inData,
64 (EncryptDecrypt_Out *)out);
65 // Handle response code swizzle.
66 switch(result)
67 {
68 case TPM_RCS_MODE + RC_EncryptDecrypt_mode:
69 result = TPM_RCS_MODE + RC_EncryptDecrypt2_mode;
70 break;
71 case TPM_RCS_SIZE + RC_EncryptDecrypt_ivIn:
72 result = TPM_RCS_SIZE + RC_EncryptDecrypt2_ivIn;
73 break;
74 case TPM_RCS_SIZE + RC_EncryptDecrypt_inData:
75 result = TPM_RCS_SIZE + RC_EncryptDecrypt2_inData;
76 break;
77 default:
78 break;
79 }
80 return result;
81 }
82
83 #endif // CC_EncryptDecrypt2