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Add support for on-the-fly BLAKE3 checksum calculation

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Natalia Portillo
2025-10-03 04:01:30 +01:00
parent 5a8a8c630f
commit 506b153930
5 changed files with 80 additions and 16 deletions
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25
include/aaruformat/context.h
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@@ -19,6 +19,7 @@
#ifndef LIBAARUFORMAT_CONTEXT_H
#define LIBAARUFORMAT_CONTEXT_H
#include "blake3.h"
#include "crc64.h"
#include "hash_map.h"
#include "lru.h"
@@ -100,10 +101,12 @@ typedef struct Checksums
bool hasMd5; ///< True if md5[] buffer populated.
bool hasSha1; ///< True if sha1[] buffer populated.
bool hasSha256; ///< True if sha256[] buffer populated.
bool hasBlake3; ///< True if blake3[] buffer populated.
bool hasSpamSum; ///< True if spamsum pointer allocated and signature read.
uint8_t md5[MD5_DIGEST_LENGTH]; ///< MD5 digest (16 bytes).
uint8_t sha1[SHA1_DIGEST_LENGTH]; ///< SHA-1 digest (20 bytes).
uint8_t sha256[SHA256_DIGEST_LENGTH]; ///< SHA-256 digest (32 bytes).
uint8_t blake3[BLAKE3_OUT_LEN]; ///< BLAKE3 digest (32 bytes).
uint8_t *spamsum; ///< SpamSum fuzzy hash (ASCII), allocated length+1 with trailing 0.
} Checksums;
@@ -214,16 +217,18 @@ typedef struct aaruformatContext
hash_map_t *sectorHashMap; ///< Deduplication hash map (fingerprint->entry mapping).
bool deduplicate; ///< Storage deduplication active (duplicates coalesce).
bool rewinded; ///< True if stream has been rewound after open (write path).
uint64_t last_written_block; ///< Last written block number (write path).
bool calculating_md5; ///< True if whole-image MD5 being calculated on-the-fly.
md5_ctx md5_context; ///< Opaque MD5 context for streaming updates
bool calculating_sha1; ///< True if whole-image SHA-1 being calculated on-the-fly.
sha1_ctx sha1_context; ///< Opaque SHA-1 context for streaming updates
bool calculating_sha256; ///< True if whole-image SHA-256 being calculated on-the-fly.
sha256_ctx sha256_context; ///< Opaque SHA-256 context for streaming updates
bool calculating_spamsum; ///< True if whole-image SpamSum being calculated on-the-fly.
spamsum_ctx *spamsum_context; ///< Opaque SpamSum context for streaming updates
bool rewinded; ///< True if stream has been rewound after open (write path).
uint64_t last_written_block; ///< Last written block number (write path).
bool calculating_md5; ///< True if whole-image MD5 being calculated on-the-fly.
md5_ctx md5_context; ///< Opaque MD5 context for streaming updates
bool calculating_sha1; ///< True if whole-image SHA-1 being calculated on-the-fly.
sha1_ctx sha1_context; ///< Opaque SHA-1 context for streaming updates
bool calculating_sha256; ///< True if whole-image SHA-256 being calculated on-the-fly.
sha256_ctx sha256_context; ///< Opaque SHA-256 context for streaming updates
bool calculating_spamsum; ///< True if whole-image SpamSum being calculated on-the-fly.
spamsum_ctx *spamsum_context; ///< Opaque SpamSum context for streaming updates
bool calculating_blake3; ///< True if whole-image BLAKE3 being calculated on-the-fly.
blake3_hasher *blake3_context; ///< Opaque BLAKE3 context for streaming updates
} aaruformatContext;
/** \struct DumpHardwareEntriesWithData