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src/backup/file_formats.rs: remove signed chunks

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We can include signature in the manifest instead (patch will follow).
This commit is contained in:
Dietmar Maurer
2020-07-08 14:06:50 +02:00
parent 067fe514e6
commit 3638341aa4
6 changed files with 50 additions and 291 deletions
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21
src/backup/file_formats.rs
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@ -17,12 +17,6 @@ pub const ENCRYPTED_BLOB_MAGIC_1_0: [u8; 8] = [123, 103, 133, 190, 34, 45, 76, 2
// openssl::sha::sha256(b"Proxmox Backup zstd compressed encrypted blob v1.0")[0..8]
pub const ENCR_COMPR_BLOB_MAGIC_1_0: [u8; 8] = [230, 89, 27, 191, 11, 191, 216, 11];
//openssl::sha::sha256(b"Proxmox Backup authenticated blob v1.0")[0..8]
pub const AUTHENTICATED_BLOB_MAGIC_1_0: [u8; 8] = [31, 135, 238, 226, 145, 206, 5, 2];
//openssl::sha::sha256(b"Proxmox Backup zstd compressed authenticated blob v1.0")[0..8]
pub const AUTH_COMPR_BLOB_MAGIC_1_0: [u8; 8] = [126, 166, 15, 190, 145, 31, 169, 96];
// openssl::sha::sha256(b"Proxmox Backup fixed sized chunk index v1.0")[0..8]
pub const FIXED_SIZED_CHUNK_INDEX_1_0: [u8; 8] = [47, 127, 65, 237, 145, 253, 15, 205];
@ -50,19 +44,6 @@ pub struct DataBlobHeader {
pub crc: [u8; 4],
}
/// Authenticated data blob binary storage format
///
/// The ``DataBlobHeader`` for authenticated blobs additionally contains
/// a 16 byte HMAC tag, followed by the data:
///
/// (MAGIC || CRC32 || TAG || Data).
#[derive(Endian)]
#[repr(C,packed)]
pub struct AuthenticatedDataBlobHeader {
pub head: DataBlobHeader,
pub tag: [u8; 32],
}
/// Encrypted data blob binary storage format
///
/// The ``DataBlobHeader`` for encrypted blobs additionally contains
@ -87,8 +68,6 @@ pub fn header_size(magic: &[u8; 8]) -> usize {
&COMPRESSED_BLOB_MAGIC_1_0 => std::mem::size_of::<DataBlobHeader>(),
&ENCRYPTED_BLOB_MAGIC_1_0 => std::mem::size_of::<EncryptedDataBlobHeader>(),
&ENCR_COMPR_BLOB_MAGIC_1_0 => std::mem::size_of::<EncryptedDataBlobHeader>(),
&AUTHENTICATED_BLOB_MAGIC_1_0 => std::mem::size_of::<AuthenticatedDataBlobHeader>(),
&AUTH_COMPR_BLOB_MAGIC_1_0 => std::mem::size_of::<AuthenticatedDataBlobHeader>(),
_ => panic!("unknown blob magic"),
}
}