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Add on-the-fly SpamSum calculation support

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Natalia Portillo
2025-10-03 02:17:47 +01:00
parent 79ac2e380c
commit 6ebf65d36d
5 changed files with 28 additions and 10 deletions
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19
include/aaruformat/context.h
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@@ -25,6 +25,7 @@
#include "md5.h"
#include "sha1.h"
#include "sha256.h"
#include "spamsum.h"
#include "structs.h"
#include "utarray.h"
@@ -213,14 +214,16 @@ 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 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
} aaruformatContext;
/** \struct DumpHardwareEntriesWithData

2
include/aaruformat/spamsum.h
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@@ -21,8 +21,6 @@
#include <stdint.h>
#include "decls.h"
#define SPAMSUM_LENGTH 64
#define NUM_BLOCKHASHES 31
#define ROLLING_WINDOW 7