1 /*
2 * Copyright (C) 2024 Huawei Device Co., Ltd.
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 * http://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
16 #include "crypto_digest.h"
17 #include "md.h"
18 #include "crypto_common.h"
19 #include "blob.h"
20 #include "object_base.h"
21 #include "result.h"
22 #include "native_common.h"
23
24 struct OH_CryptoDigest {
25 HcfObjectBase base;
26
27 HcfResult (*update)(HcfMd *self, HcfBlob *input);
28
29 HcfResult (*doFinal)(HcfMd *self, HcfBlob *output);
30
31 uint32_t (*getMdLength)(HcfMd *self);
32
33 const char *(*getAlgoName)(HcfMd *self);
34 };
35
OH_CryptoDigest_Create(const char * algoName,OH_CryptoDigest ** ctx)36 OH_Crypto_ErrCode OH_CryptoDigest_Create(const char *algoName, OH_CryptoDigest **ctx)
37 {
38 if (ctx == NULL) {
39 return CRYPTO_INVALID_PARAMS;
40 }
41 HcfResult ret = HcfMdCreate(algoName, (HcfMd **)ctx);
42 return GetOhCryptoErrCode(ret);
43 }
44
OH_CryptoDigest_Update(OH_CryptoDigest * ctx,Crypto_DataBlob * in)45 OH_Crypto_ErrCode OH_CryptoDigest_Update(OH_CryptoDigest *ctx, Crypto_DataBlob *in)
46 {
47 if ((ctx == NULL) || (ctx->update == NULL) || (in == NULL)) {
48 return CRYPTO_INVALID_PARAMS;
49 }
50 HcfResult ret = ctx->update((HcfMd *)ctx, (HcfBlob *)in);
51 return GetOhCryptoErrCode(ret);
52 }
53
OH_CryptoDigest_Final(OH_CryptoDigest * ctx,Crypto_DataBlob * out)54 OH_Crypto_ErrCode OH_CryptoDigest_Final(OH_CryptoDigest *ctx, Crypto_DataBlob *out)
55 {
56 if ((ctx == NULL) || (ctx->doFinal == NULL) || (out == NULL)) {
57 return CRYPTO_INVALID_PARAMS;
58 }
59 HcfResult ret = ctx->doFinal((HcfMd *)ctx, (HcfBlob *)out);
60 return GetOhCryptoErrCode(ret);
61 }
62
OH_CryptoDigest_GetLength(OH_CryptoDigest * ctx)63 uint32_t OH_CryptoDigest_GetLength(OH_CryptoDigest *ctx)
64 {
65 if ((ctx == NULL) || (ctx->getMdLength == NULL)) {
66 return CRYPTO_INVALID_PARAMS;
67 }
68 return ctx->getMdLength((HcfMd *)ctx);
69 }
70
OH_CryptoDigest_GetAlgoName(OH_CryptoDigest * ctx)71 const char *OH_CryptoDigest_GetAlgoName(OH_CryptoDigest *ctx)
72 {
73 if ((ctx == NULL) || (ctx->getAlgoName == NULL)) {
74 return NULL;
75 }
76 return ctx->getAlgoName((HcfMd *)ctx);
77 }
78
OH_DigestCrypto_Destroy(OH_CryptoDigest * ctx)79 void OH_DigestCrypto_Destroy(OH_CryptoDigest *ctx)
80 {
81 if ((ctx == NULL) || (ctx->base.destroy == NULL)) {
82 return;
83 }
84 ctx->base.destroy((HcfObjectBase *)ctx);
85 }