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 "ECC_Encrypt_fp.h"
37
38 #if CC_ECC_Encrypt // Conditional expansion of this file
39
40 // Return Type: TPM_RC
41 // TPM_RC_ATTRIBUTES key referenced by 'keyHandle' is restricted
42 // TPM_RC_KEY keyHandle does not reference an ECC key
43 // TPM_RCS_SCHEME bad scheme
44 TPM_RC
TPM2_ECC_Encrypt(ECC_Encrypt_In * in,ECC_Encrypt_Out * out)45 TPM2_ECC_Encrypt(
46 ECC_Encrypt_In *in, // IN: input parameter list
47 ECC_Encrypt_Out *out // OUT: output parameter list
48 )
49 {
50 OBJECT *pubKey = HandleToObject(in->keyHandle);
51 // Parameter validation
52 if (pubKey->publicArea.type != TPM_ALG_ECC)
53 return TPM_RC_KEY + RC_ECC_Encrypt_keyHandle;
54 // Have to have a scheme selected
55 if(!CryptEccSelectScheme(pubKey, &in->inScheme))
56 return TPM_RCS_SCHEME + RC_ECC_Encrypt_inScheme;
57 // Command Output
58 return CryptEccEncrypt(pubKey, &in->inScheme, &in->plainText,
59 &out->C1.point, &out->C2, &out->C3);
60 }
61
62 #endif // CC_ECC_Encrypt