2019-06-22 07:12:25 +00:00
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// WARNING: PLEASE DO NOT MODIFY THOSE MAGIC VALUES
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// openssl::sha::sha256(b"Proxmox Backup uncompressed chunk v1.0")[0..8]
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pub static UNCOMPRESSED_CHUNK_MAGIC_1_0: [u8; 8] = [79, 127, 200, 4, 121, 74, 135, 239];
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// openssl::sha::sha256(b"Proxmox Backup encrypted chunk v1.0")[0..8]
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pub static ENCRYPTED_CHUNK_MAGIC_1_0: [u8; 8] = [8, 54, 114, 153, 70, 156, 26, 151];
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// openssl::sha::sha256(b"Proxmox Backup zstd compressed chunk v1.0")[0..8]
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pub static COMPRESSED_CHUNK_MAGIC_1_0: [u8; 8] = [191, 237, 46, 195, 108, 17, 228, 235];
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// openssl::sha::sha256(b"Proxmox Backup zstd compressed encrypted chunk v1.0")[0..8]
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pub static ENCR_COMPR_CHUNK_MAGIC_1_0: [u8; 8] = [9, 40, 53, 200, 37, 150, 90, 196];
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// openssl::sha::sha256(b"Proxmox Backup uncompressed blob v1.0")[0..8]
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pub static UNCOMPRESSED_BLOB_MAGIC_1_0: [u8; 8] = [66, 171, 56, 7, 190, 131, 112, 161];
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//openssl::sha::sha256(b"Proxmox Backup zstd compressed blob v1.0")[0..8]
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pub static COMPRESSED_BLOB_MAGIC_1_0: [u8; 8] = [49, 185, 88, 66, 111, 182, 163, 127];
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// openssl::sha::sha256(b"Proxmox Backup encrypted blob v1.0")[0..8]
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pub static ENCRYPTED_BLOB_MAGIC_1_0: [u8; 8] = [123, 103, 133, 190, 34, 45, 76, 240];
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// openssl::sha::sha256(b"Proxmox Backup zstd compressed encrypted blob v1.0")[0..8]
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pub static ENCR_COMPR_BLOB_MAGIC_1_0: [u8; 8] = [230, 89, 27, 191, 11, 191, 216, 11];
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// openssl::sha::sha256(b"Proxmox Backup fixed sized chunk index v1.0")[0..8]
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pub static FIXED_SIZED_CHUNK_INDEX_1_0: [u8; 8] = [47, 127, 65, 237, 145, 253, 15, 205];
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// openssl::sha::sha256(b"Proxmox Backup dynamic sized chunk index v1.0")[0..8]
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pub static DYNAMIC_SIZED_CHUNK_INDEX_1_0: [u8; 8] = [28, 145, 78, 165, 25, 186, 179, 205];
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2019-06-22 13:45:36 +00:00
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/// Data blob binary storage format
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///
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/// The format start with a 8 byte magic number to identify the type,
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/// followed by a 4 byte CRC. This CRC is used on the server side to
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/// detect file corruption (computed when upload data), so there is
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/// usually no need to compute it on the client side.
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///
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/// Unencrypted blobs simply contain the CRC, followed by the
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/// (compressed) data.
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///
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/// (MAGIC || CRC32 || Data)
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///
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/// This is basically the same format we use for chunks, but
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/// with other magic numbers so that we can distinguish them.
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2019-06-22 07:12:25 +00:00
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#[repr(C,packed)]
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pub struct DataBlobHeader {
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pub magic: [u8; 8],
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pub crc: [u8; 4],
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}
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2019-06-22 13:45:36 +00:00
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/// Encrypted data blob binary storage format
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///
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/// The ``DataBlobHeader`` for encrypted blobs additionally contains
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/// a 16 byte IV, followed by a 16 byte Authenticated Encyrypten (AE)
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/// tag, followed by the encrypted data:
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///
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/// (MAGIC || CRC32 || IV || TAG || EncryptedData).
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2019-06-22 07:12:25 +00:00
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#[repr(C,packed)]
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pub struct EncryptedDataBlobHeader {
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pub head: DataBlobHeader,
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pub iv: [u8; 16],
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pub tag: [u8; 16],
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}
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2019-06-22 13:45:36 +00:00
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/// Data chunk binary storage format
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///
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/// The format start with a 8 byte magic number to identify the type,
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/// followed by a 4 byte CRC. This CRC is used on the server side to
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/// detect file corruption (computed when upload data), so there is
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/// usually no need to compute it on the client side.
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///
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/// Unencrypted blobs simply contain the CRC, followed by the
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/// (compressed) data.
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///
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/// (MAGIC || CRC32 || Data)
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2019-06-22 07:12:25 +00:00
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#[repr(C,packed)]
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pub struct DataChunkHeader {
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pub magic: [u8; 8],
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pub crc: [u8; 4],
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}
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2019-06-22 13:45:36 +00:00
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/// Encrypted Data chunk binary storage format
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///
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/// The ``DataChunkHeader`` for encrypted chunks additionally contains
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/// a 16 byte IV, followed by a 16 byte Authenticated Encyrypten (AE)
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/// tag, followed by the encrypted data:
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///
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/// (MAGIC || CRC32 || IV || TAG || EncryptedData).
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2019-06-22 07:12:25 +00:00
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#[repr(C,packed)]
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pub struct EncryptedDataChunkHeader {
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pub head: DataChunkHeader,
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pub iv: [u8; 16],
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pub tag: [u8; 16],
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}
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