eden/src/core at e903d70d9eb46232c2b958674256ee04cf4e56c4 - eden

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PavelBARABANOV ea92c081b7 [core] Speed up NCZBLOCK reads and skip double AES for pre-decrypted NCZ (#4582 )

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md).
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

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- Use a 32-slot direct-mapped block cache and reuse one ZSTD_DCtx per
  BlockReader instead of re-creating it per block.
- Find the covering section with std::lower_bound instead of a linear scan
  (helps BKTR updates with thousands of sections).
- Mark BlockNczFile as HasDecryptedSections() and drop its CTR pass; NCZ
  body is stored decrypted, so NcaFileSystemDriver now skips its AES layers
  for these files (no double decryption).
- Recognize .xcz as XCZ in AppLoader_XCI::IdentifyType.

thanks Reikatari

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4582
Reviewed-by: Maufeat <sahyno1996@gmail.com>

2026-10-30 04:40:15 +01:00

arm

[nce] handles duplicate NCE interrupts (#4530 )

2026-10-26 17:24:45 +01:00

crypto

[core] Speed up NCZBLOCK reads and skip double AES for pre-decrypted NCZ (#4582 )

2026-10-30 04:40:15 +01:00

debugger

…

file_sys

[core] Speed up NCZBLOCK reads and skip double AES for pre-decrypted NCZ (#4582 )

2026-10-30 04:40:15 +01:00