1 // SPDX-License-Identifier: BSD-2-Clause
2 /*
3  * Copyright (c) 2014, STMicroelectronics International N.V.
4  * All rights reserved.
5  */
6 
7 #include "sha2_taf.h"
8 #include "sha2_impl.h"
9 
ta_entry_sha224(uint32_t param_types,TEE_Param params[4])10 TEE_Result ta_entry_sha224(uint32_t param_types, TEE_Param params[4])
11 {
12 	/*
13 	 * It is expected that memRef[0] is input buffer and memRef[1] is
14 	 * output buffer.
15 	 */
16 	if (param_types !=
17 	    TEE_PARAM_TYPES(TEE_PARAM_TYPE_MEMREF_INPUT,
18 			    TEE_PARAM_TYPE_MEMREF_OUTPUT, TEE_PARAM_TYPE_NONE,
19 			    TEE_PARAM_TYPE_NONE)) {
20 		return TEE_ERROR_BAD_PARAMETERS;
21 	}
22 
23 	if (params[1].memref.size < SHA224_DIGEST_SIZE)
24 		return TEE_ERROR_BAD_PARAMETERS;
25 
26 	sha224((unsigned char *)params[0].memref.buffer,
27 	       (unsigned int)params[0].memref.size,
28 	       (unsigned char *)params[1].memref.buffer);
29 
30 	return TEE_SUCCESS;
31 }
32 
ta_entry_sha256(uint32_t param_types,TEE_Param params[4])33 TEE_Result ta_entry_sha256(uint32_t param_types, TEE_Param params[4])
34 {
35 	/*
36 	 * It is expected that memRef[0] is input buffer and memRef[1] is
37 	 * output buffer.
38 	 */
39 	if (param_types !=
40 	    TEE_PARAM_TYPES(TEE_PARAM_TYPE_MEMREF_INPUT,
41 			    TEE_PARAM_TYPE_MEMREF_OUTPUT, TEE_PARAM_TYPE_NONE,
42 			    TEE_PARAM_TYPE_NONE)) {
43 		return TEE_ERROR_BAD_PARAMETERS;
44 	}
45 
46 	if (params[1].memref.size < SHA256_DIGEST_SIZE)
47 		return TEE_ERROR_BAD_PARAMETERS;
48 
49 	sha256((unsigned char *)params[0].memref.buffer,
50 	       (unsigned int)params[0].memref.size,
51 	       (unsigned char *)params[1].memref.buffer);
52 
53 	return TEE_SUCCESS;
54 }
55