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Fix parent layer chunk size calculation while generating HierarchicalSha256 / HierarchicalIntegrity patches.
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0229124173
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1 changed files with 4 additions and 5 deletions
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@ -956,7 +956,7 @@ static bool ncaGenerateHashDataPatch(NcaFsSectionContext *ctx, const void *data,
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u64 cur_layer_read_start_offset = 0, cur_layer_read_end_offset = 0, cur_layer_read_size = 0, cur_layer_read_patch_offset = 0;
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u64 parent_layer_offset = 0, parent_layer_size = 0;
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u64 parent_layer_read_start_offset = 0, parent_layer_read_end_offset = 0, parent_layer_read_size = 0;
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u64 parent_layer_read_start_offset = 0, parent_layer_read_size = 0;
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NcaHashDataPatch *cur_layer_patch = NULL;
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@ -996,13 +996,12 @@ static bool ncaGenerateHashDataPatch(NcaFsSectionContext *ctx, const void *data,
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if (i > 1)
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{
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/* HierarchicalSha256 hash region with index 1 through 4, or HierarchicalIntegrity verification level with index 1 through 5. */
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parent_layer_read_start_offset = ((cur_data_offset / hash_block_size) * SHA256_HASH_SIZE);
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parent_layer_read_end_offset = (((cur_data_offset + cur_data_size) / hash_block_size) * SHA256_HASH_SIZE);
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parent_layer_read_size = (parent_layer_read_end_offset != parent_layer_read_start_offset ? (parent_layer_read_end_offset - parent_layer_read_start_offset) : SHA256_HASH_SIZE);
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cur_layer_read_start_offset = (cur_layer_offset + ALIGN_DOWN(cur_data_offset, hash_block_size));
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cur_layer_read_end_offset = (cur_layer_offset + ALIGN_UP(cur_data_offset + cur_data_size, hash_block_size));
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cur_layer_read_size = (cur_layer_read_end_offset - cur_layer_read_start_offset);
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parent_layer_read_start_offset = ((cur_data_offset / hash_block_size) * SHA256_HASH_SIZE);
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parent_layer_read_size = ((cur_layer_read_size / hash_block_size) * SHA256_HASH_SIZE);
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} else {
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/* HierarchicalSha256 master hash region, or HierarchicalIntegrity master verification level. Both with index 0. */
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/* The master hash is calculated over the whole layer and saved to the HashData block from the NCA FS section header. */
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