1// Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     https://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#include <openssl/digest.h>
16
17#include <assert.h>
18#include <string.h>
19
20#include <openssl/nid.h>
21
22#include "../../internal.h"
23#include "../bcm_interface.h"
24#include "../delocate.h"
25#include "internal.h"
26
27#if defined(NDEBUG)
28#define CHECK(x) (void)(x)
29#else
30#define CHECK(x) assert(x)
31#endif
32
33
34static void sha1_init(EVP_MD_CTX *ctx) {
35  BCM_sha1_init(reinterpret_cast<SHA_CTX *>(ctx->md_data));
36}
37
38static void sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
39  BCM_sha1_update(reinterpret_cast<SHA_CTX *>(ctx->md_data), data, count);
40}
41
42static void sha1_final(EVP_MD_CTX *ctx, uint8_t *md) {
43  BCM_sha1_final(md, reinterpret_cast<SHA_CTX *>(ctx->md_data));
44}
45
46DEFINE_METHOD_FUNCTION(EVP_MD, EVP_sha1) {
47  out->type = NID_sha1;
48  out->md_size = BCM_SHA_DIGEST_LENGTH;
49  out->flags = 0;
50  out->init = sha1_init;
51  out->update = sha1_update;
52  out->final = sha1_final;
53  out->block_size = 64;
54  out->ctx_size = sizeof(SHA_CTX);
55}
56
57static_assert(sizeof(SHA_CTX) <= EVP_MAX_MD_DATA_SIZE);
58
59
60static void sha224_init(EVP_MD_CTX *ctx) {
61  BCM_sha224_init(reinterpret_cast<SHA256_CTX *>(ctx->md_data));
62}
63
64static void sha224_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
65  BCM_sha224_update(reinterpret_cast<SHA256_CTX *>(ctx->md_data), data, count);
66}
67
68static void sha224_final(EVP_MD_CTX *ctx, uint8_t *md) {
69  BCM_sha224_final(md, reinterpret_cast<SHA256_CTX *>(ctx->md_data));
70}
71
72DEFINE_METHOD_FUNCTION(EVP_MD, EVP_sha224) {
73  out->type = NID_sha224;
74  out->md_size = BCM_SHA224_DIGEST_LENGTH;
75  out->flags = 0;
76  out->init = sha224_init;
77  out->update = sha224_update;
78  out->final = sha224_final;
79  out->block_size = 64;
80  out->ctx_size = sizeof(SHA256_CTX);
81}
82
83static_assert(sizeof(SHA256_CTX) <= EVP_MAX_MD_DATA_SIZE);
84
85static void sha256_init(EVP_MD_CTX *ctx) {
86  BCM_sha256_init(reinterpret_cast<SHA256_CTX *>(ctx->md_data));
87}
88
89static void sha256_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
90  BCM_sha256_update(reinterpret_cast<SHA256_CTX *>(ctx->md_data), data, count);
91}
92
93static void sha256_final(EVP_MD_CTX *ctx, uint8_t *md) {
94  BCM_sha256_final(md, reinterpret_cast<SHA256_CTX *>(ctx->md_data));
95}
96
97DEFINE_METHOD_FUNCTION(EVP_MD, EVP_sha256) {
98  out->type = NID_sha256;
99  out->md_size = BCM_SHA256_DIGEST_LENGTH;
100  out->flags = 0;
101  out->init = sha256_init;
102  out->update = sha256_update;
103  out->final = sha256_final;
104  out->block_size = 64;
105  out->ctx_size = sizeof(SHA256_CTX);
106}
107
108
109static void sha384_init(EVP_MD_CTX *ctx) {
110  BCM_sha384_init(reinterpret_cast<SHA512_CTX *>(ctx->md_data));
111}
112
113static void sha384_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
114  BCM_sha384_update(reinterpret_cast<SHA512_CTX *>(ctx->md_data), data, count);
115}
116
117static void sha384_final(EVP_MD_CTX *ctx, uint8_t *md) {
118  BCM_sha384_final(md, reinterpret_cast<SHA512_CTX *>(ctx->md_data));
119}
120
121DEFINE_METHOD_FUNCTION(EVP_MD, EVP_sha384) {
122  out->type = NID_sha384;
123  out->md_size = BCM_SHA384_DIGEST_LENGTH;
124  out->flags = 0;
125  out->init = sha384_init;
126  out->update = sha384_update;
127  out->final = sha384_final;
128  out->block_size = 128;
129  out->ctx_size = sizeof(SHA512_CTX);
130}
131
132static_assert(sizeof(SHA512_CTX) <= EVP_MAX_MD_DATA_SIZE);
133
134static void sha512_init(EVP_MD_CTX *ctx) {
135  BCM_sha512_init(reinterpret_cast<SHA512_CTX *>(ctx->md_data));
136}
137
138static void sha512_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
139  BCM_sha512_update(reinterpret_cast<SHA512_CTX *>(ctx->md_data), data, count);
140}
141
142static void sha512_final(EVP_MD_CTX *ctx, uint8_t *md) {
143  BCM_sha512_final(md, reinterpret_cast<SHA512_CTX *>(ctx->md_data));
144}
145
146DEFINE_METHOD_FUNCTION(EVP_MD, EVP_sha512) {
147  out->type = NID_sha512;
148  out->md_size = BCM_SHA512_DIGEST_LENGTH;
149  out->flags = 0;
150  out->init = sha512_init;
151  out->update = sha512_update;
152  out->final = sha512_final;
153  out->block_size = 128;
154  out->ctx_size = sizeof(SHA512_CTX);
155}
156
157
158static void sha512_256_init(EVP_MD_CTX *ctx) {
159  BCM_sha512_256_init(reinterpret_cast<SHA512_CTX *>(ctx->md_data));
160}
161
162static void sha512_256_update(EVP_MD_CTX *ctx, const void *data, size_t count) {
163  BCM_sha512_256_update(reinterpret_cast<SHA512_CTX *>(ctx->md_data), data,
164                        count);
165}
166
167static void sha512_256_final(EVP_MD_CTX *ctx, uint8_t *md) {
168  BCM_sha512_256_final(md, reinterpret_cast<SHA512_CTX *>(ctx->md_data));
169}
170
171DEFINE_METHOD_FUNCTION(EVP_MD, EVP_sha512_256) {
172  out->type = NID_sha512_256;
173  out->md_size = BCM_SHA512_256_DIGEST_LENGTH;
174  out->flags = 0;
175  out->init = sha512_256_init;
176  out->update = sha512_256_update;
177  out->final = sha512_256_final;
178  out->block_size = 128;
179  out->ctx_size = sizeof(SHA512_CTX);
180}
181
182#undef CHECK
183