Struct TensorChecksum 

pub struct TensorChecksum {
    pub algorithm: ChecksumAlgorithm,
    pub value: u64,
    pub data_len: usize,
    pub computed_at_secs: u64,
}

A checksum value together with the metadata needed to re-verify data later.

Fields

algorithm: ChecksumAlgorithm

Algorithm used to produce value.

value: u64

The checksum value.

data_len: usize

Length (in bytes) of the data that was checksummed.

computed_at_secs: u64

Unix timestamp (seconds) at which the checksum was computed.

Implementations

impl TensorChecksum

pub fn verify(&self, data: &[u8]) -> bool

Recompute the checksum for data using the same algorithm and compare it against self.value.

Returns true if the data is intact, false if it has been corrupted (or if data.len() != self.data_len).

Examples

use ipfrs_tensorlogic::tensor_checksum::{ChecksumAlgorithm, TensorChecksum};

let data = b"tensor payload";
let cs = TensorChecksum {
    algorithm: ChecksumAlgorithm::Fnv1a64,
    value: ipfrs_tensorlogic::tensor_checksum::fnv1a64(data),
    data_len: data.len(),
    computed_at_secs: 0,
};
assert!(cs.verify(data));
assert!(!cs.verify(b"corrupted payload"));

Trait Implementations

impl Clone for TensorChecksum

fn clone(&self) -> TensorChecksum

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TensorChecksum

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for TensorChecksum

impl PartialEq for TensorChecksum

fn eq(&self, other: &TensorChecksum) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for TensorChecksum