2  * This file is part of the openHiTLS project.
4  * openHiTLS is licensed under the Mulan PSL v2.
10  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
11  * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
33     opt->curChunk = BSL_SAL_Calloc(1u, sizeof(Chunk));  in BN_OptimizerCreate()
34     if (opt->curChunk == NULL) {  in BN_OptimizerCreate()
43     opt->libCtx = libCtx;  in BN_OptimizerSetLibCtx()
48     return opt->libCtx;  in BN_OptimizerGetLibCtx()
56     Chunk *curChunk = opt->curChunk;  in BN_OptimizerDestroy()
57     Chunk *nextChunk = curChunk->next;  in BN_OptimizerDestroy()
58     Chunk *prevChunk = curChunk->prev;  in BN_OptimizerDestroy()
62 …BSL_SAL_CleanseData((void *)(nextChunk->bigNums[i].data), nextChunk->bigNums[i].size * sizeof(BN_U…  in BN_OptimizerDestroy()
63             BSL_SAL_FREE(nextChunk->bigNums[i].data);  in BN_OptimizerDestroy()
65         Chunk *tmp = nextChunk->next;  in BN_OptimizerDestroy()
72 …BSL_SAL_CleanseData((void *)(prevChunk->bigNums[i].data), prevChunk->bigNums[i].size * sizeof(BN_U…  in BN_OptimizerDestroy()
73             BSL_SAL_FREE(prevChunk->bigNums[i].data);  in BN_OptimizerDestroy()
75         Chunk *tmp = prevChunk->prev;  in BN_OptimizerDestroy()
81 …BSL_SAL_CleanseData((void *)(curChunk->bigNums[i].data), curChunk->bigNums[i].size * sizeof(BN_UIN…  in BN_OptimizerDestroy()
82         BSL_SAL_FREE(curChunk->bigNums[i].data);  in BN_OptimizerDestroy()
90     if (opt->deep != CRYPT_OPTIMIZER_MAXDEEP) {  in OptimizerStart()
91         opt->deep++;  in OptimizerStart()
100     if (curChunk->occupied != HITLS_CRYPT_OPTIMIZER_BN_NUM) {  in GetPresetBn()
101         curChunk->occupied++;  in GetPresetBn()
102         return &curChunk->bigNums[curChunk->occupied - 1];  in GetPresetBn()
104     if (curChunk->prev != NULL) {  in GetPresetBn()
105         opt->curChunk = curChunk->prev;  in GetPresetBn()
106         opt->curChunk->occupied++; // new chunk and occupied = 0;  in GetPresetBn()
107         return &opt->curChunk->bigNums[opt->curChunk->occupied - 1];  in GetPresetBn()
114     newChunk->next = curChunk;  in GetPresetBn()
115     curChunk->prev = newChunk;  in GetPresetBn()
116     opt->curChunk = newChunk;  in GetPresetBn()
117     newChunk->occupied++;  in GetPresetBn()
118     return &newChunk->bigNums[newChunk->occupied - 1];  in GetPresetBn()
123     if (r->room < room) {  in BnMake()
133         if (r->size > 0) {  in BnMake()
134             BSL_SAL_CleanseData(r->data, r->size * sizeof(BN_UINT));  in BnMake()
136         BSL_SAL_FREE(r->data);  in BnMake()
137         r->data = tmp;  in BnMake()
138         r->room = room;  in BnMake()
140         (void)memset_s(r->data, r->room * sizeof(BN_UINT), 0, r->room * sizeof(BN_UINT));  in BnMake()
142     r->size = 0;  in BnMake()
143     r->sign = false;  in BnMake()
144     r->flag |= CRYPT_BN_FLAG_OPTIMIZER;  in BnMake()
150     if (opt->deep == 0) {  in OptimizerGetBn()
153     if ((opt->used[opt->deep - 1] + 1) < opt->used[opt->deep - 1]) {  in OptimizerGetBn()
157     BN_BigNum *tmp = GetPresetBn(opt, opt->curChunk);  in OptimizerGetBn()
164     opt->used[opt->deep - 1]++;  in OptimizerGetBn()
170     if (opt->deep == 0) {  in OptimizerEnd()
173     opt->deep--;  in OptimizerEnd()
174     uint32_t usedNum = opt->used[opt->deep];  in OptimizerEnd()
175     opt->used[opt->deep] = 0;  in OptimizerEnd()
176     Chunk *curChunk = opt->curChunk;  in OptimizerEnd()
177     if (usedNum <= curChunk->occupied) {  in OptimizerEnd()
178         curChunk->occupied -= usedNum;  in OptimizerEnd()
181     usedNum -= curChunk->occupied;  in OptimizerEnd()
182     curChunk->occupied = 0;  in OptimizerEnd()
184         curChunk = curChunk->next;  in OptimizerEnd()
185         curChunk->occupied = 0;  in OptimizerEnd()
186         usedNum -= HITLS_CRYPT_OPTIMIZER_BN_NUM;  in OptimizerEnd()
189         curChunk = curChunk->next;  in OptimizerEnd()
190         curChunk->occupied = HITLS_CRYPT_OPTIMIZER_BN_NUM - usedNum;  in OptimizerEnd()
192     opt->curChunk = curChunk;  in OptimizerEnd()