Release/v0.3.0#71
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…6B): magic/version/algorithm/reserved - ChunkAad (9B): index(u64 LE) + is_final(u8) for truncation protection - ChunkReader: fill-in-place zero-alloc read_chunk(&mut chunk) - ChunkWriter: internal buffer for single-syscall writes - Last-chunk padding with zero-byte validation - EncryptedChunk pre-allocation + Default - StreamAlgorithm <-> Algorithm conversion bridge - Generic finish() + finish_file() for fsync - 22 unit tests covering all acceptance criteria
feat(streaming): add low-level streaming primitives …
- encrypt_file_impl / decrypt_file_impl: 64KB AEAD chunk streaming - Per-chunk AAD (index + is_final) prevents reorder/truncation/append - Last-chunk padding to uniform ENCRYPTED_CHUNK_SIZE - Atomic temp-file-then-rename: failed ops leave no partial output - Algorithm cross-check between header and CipherHandle - Progress callbacks (0.0..1.0) via closure, FRB StreamSink wrappers - CipherHandle: add pub(crate) encrypt_raw/decrypt_raw/algorithm_id - 16 tests: roundtrip, tamper detection, progress, cleanup guarantees
- Remove needless borrows in fs::write test calls - Replace unwrap_err() with expect_err() to satisfy deny(clippy::unwrap_used)
…pt-decrypt feat(streaming): add high-level streaming encrypt/decrypt API
…noop.dart referenced core/traits.dart which is not generated (#[frb(ignore)] on Encryption trait).NoopEncryption itself does not need FRB scanning only create_noop_encryption() returning CipherHandle is the public API.
- hash_file_impl reads file in 64KB chunks, feeds raw bytes to hasher - No encryption padding digest matches one-shot blake3_hash/sha3_hash - stream_hash_file FRB wrapper with StreamSink<f64> progress - pub(crate) update_raw/finalize_raw/reset_raw on HasherHandle - New tests: BLAKE3, SHA-3, empty file, 1MB+ file, exact boundary
…noop.dart referenced core/traits.dart which is not generated (#[frb(ignore)] on Encryption trait).NoopEncryption itself does not need FRB scanning only create_noop_encryption() returning CipherHandle is the public API.
feat(streaming): add streaming file hash with BLAKE3/SHA-3
…ity FRB drops the Vec<u8> return when a function also has StreamSink. Stream_hash_file now only feeds data Dart calls hasherFinalize() to obtain the digest.
- Add StreamingService with encryptFile, decryptFile, hashFile - Add 8 integration tests (6/8 pass) - Export StreamingService from lib/m_security.dart
… unawaited(executeNormal) for stream functions, so Rust errors arrive as zone errors after the progress stream closes. _guardedStream uses runZonedGuarded + deferred close to forward these to the stream. All 8 integration tests pass on macOS, Android, and iOS.
feat(streaming): add Dart StreamingService wrapper and integration tests
Add streaming encrypt decrypt and hash pipeline
feat(compression): add Zstd/Brotli core with algorithm enum and MIME-aware skip
…padding striping for middle chunks too
Adel/streaming compression
Rewrites the compress-encrypt pipeline to feed input through a streaming compressor and chunk the compressed output, instead of compressing each 64KB chunk independently. A file that compresses 50% now produces half as many encrypted chunks on disk.
feat(evfs): vault format structures and segment index
HKDF domain-separated sub-keys (cipher/nonce/index), generation-aware nonce derivation, compress-then-encrypt pipeline with MIME-aware skip, BLAKE3 checksums with constant-time verification (subtle), CSPRNG pre-allocation in 64KB chunks, secure erase with fsync. 23 tests.
HKDF domain-separated sub-keys (cipher/nonce/index), generation-aware nonce derivation for both segments and index, compress-then-encrypt pipeline with MIME-aware skip, BLAKE3 checksums with constant-time verification (subtle), CSPRNG pre-allocation in 64KB chunks, secure erase with fsync, intermediate buffer zeroization. 26 tests.
…cryption feat(evfs): add per-segment encryption, checksums, and secure deletion
…recovery feat(evfs): WAL crash recovery and advisory file locking
- Add ENCRYPTED_INDEX_SIZE (INDEX_PAD_SIZE + 28) for on-disk layout
- Update DATA_REGION_OFFSET and shadow/WAL offsets accordingly
- Add total_vault_size() helper for vault file preallocation
- Add pub(super) aead_encrypt_random_nonce and aead_decrypt_with_stored_nonce
for index encryption without generation-based nonce derivation
- Add VaultHandle (opaque) holding file, keys, index, WAL, and lock
- Implement vault_create, vault_open, vault_write, vault_read,
vault_delete, vault_list, vault_capacity, vault_close
- Compress-then-encrypt pipeline with MIME-aware skip
- BLAKE3 checksum on original plaintext (pre-compression)
- Free-list allocation with best-fit search and adjacent merge
- WAL crash recovery with snapshot size validation
- Shadow index fallback when primary is corrupted
- Zeroize master key and plaintext data after use
- Safe usize cast for 32-bit platform compatibility
feat(evfs): implement Vault Rust API with VaultHandle
feat(evfs): add Dart VaultService wrapper and integration tests
EVFS: encrypted vault container
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Added
.vaultcontainer supporting named segments, WAL crash recovery, shadow index, capacity management, and secure deletion.Fixed