1 /*
2 * Copyright (c) 2001-2019, Arm Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include "sha1_alt.h"
8 #include "hash_driver.h"
9 #include "cc_pal_mem.h"
10 #include "cc_pal_log.h"
11 #include "cc_pal_abort.h"
12 #include "mbedtls_hash_common.h"
13 #include <stdio.h>
14
15 #if defined(MBEDTLS_SHA1_ALT) && defined(MBEDTLS_SHA1_C)
16
17 /* Internal function*/
18
mbedtls_sha1_init(mbedtls_sha1_context * ctx)19 void mbedtls_sha1_init( mbedtls_sha1_context *ctx )
20 {
21 if( NULL == ctx )
22 {
23 CC_PalAbort("\nctx is NULL\n");
24 }
25 CC_PalMemSetZero(ctx, sizeof( mbedtls_sha1_context ) );
26 }
27
mbedtls_sha1_free(mbedtls_sha1_context * ctx)28 void mbedtls_sha1_free( mbedtls_sha1_context *ctx )
29 {
30 if( NULL == ctx )
31 {
32 CC_PAL_LOG_ERR("\nctx is NULL\n");
33 return;
34 }
35 mbedtls_zeroize_internal( ctx, sizeof( mbedtls_sha1_context ) );
36 }
37
mbedtls_sha1_clone(mbedtls_sha1_context * dst,const mbedtls_sha1_context * src)38 void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
39 const mbedtls_sha1_context *src )
40 {
41 if( NULL == src || NULL == dst )
42 {
43 CC_PalAbort("src or dst are NULL\n" );
44 }
45
46 *dst = *src;
47 }
48
mbedtls_sha1_starts_ret(mbedtls_sha1_context * ctx)49 int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx )
50 {
51 int ret;
52
53 ret = mbedtls_sha_starts_internal( ctx, HASH_SHA1);
54 if( ret != 0 )
55 {
56 return( MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED );
57 }
58
59 return( ret );
60 }
61
mbedtls_internal_sha1_process(mbedtls_sha1_context * ctx,const unsigned char data[64])62 int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx, const unsigned char data[64] )
63 {
64 int ret;
65
66 ret = mbedtls_sha_process_internal( ctx, data );
67 if( ret != 0 )
68 {
69 return( MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED );
70 }
71
72 return( ret );
73 }
74
75
76 /*
77 * SHA-1 process buffer
78 */
mbedtls_sha1_update_ret(mbedtls_sha1_context * ctx,const unsigned char * input,size_t ilen)79 int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen )
80 {
81 int ret;
82
83 ret = mbedtls_sha_update_internal( ctx, input, ilen );
84 if( ret != 0 )
85 {
86 return( MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED );
87 }
88
89 return( ret );
90 }
91
92
93 /*
94 * SHA-1 final digest
95 */
mbedtls_sha1_finish_ret(mbedtls_sha1_context * ctx,unsigned char output[20])96 int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx, unsigned char output[20] )
97 {
98 int ret;
99
100 HashContext_t *pHashCtx = NULL;
101 if (NULL == ctx || NULL == output ){
102 CC_PAL_LOG_ERR( "ctx or output buffer are NULL\n" );
103 return( MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED );
104 }
105 pHashCtx = (HashContext_t *)ctx;
106
107 ret = mbedtls_sha_finish_internal( ctx );
108 if( ret != 0)
109 {
110 return( MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED );
111 }
112
113 CC_PalMemCopy(output, pHashCtx->digest, SHA1_DIGEST_SIZE_IN_BYTES);
114
115 return( ret );
116 }
117 #endif /* #if defined(MBEDTLS_SHA1_ALT) && defined(MBEDTLS_SHA1_C) */
118
119
