Function decrypt_file

nodedb/src/engine/timeseries/columnar_segment/encrypt.rs:25–28

Decrypt an encrypted columnar segment file blob (first bytes = `SEGT`).

(key: &WalEncryptionKey, blob: &[u8])

/// Decrypt an encrypted columnar segment file blob (first bytes = `SEGT`).
pub fn decrypt_file(key: &WalEncryptionKey, blob: &[u8]) -> Result<Vec<u8>, SegmentError> {
    decrypt_segment_envelope(key, &SEGT_MAGIC, blob)
        .map_err(|e| SegmentError::DecryptionFailed(e.to_string()))
}

/// Sniff the first 4 bytes of a file to detect whether it is encrypted.
///