Function decrypt_segment

nodedb-columnar/src/encrypt.rs:35–41

Decrypt an encrypted columnar segment blob (starting at byte 0 = `SEGC`). Returns the inner plaintext segment bytes (starting with `NDBS`).

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

///
/// Returns the inner plaintext segment bytes (starting with `NDBS`).
pub(crate) fn decrypt_segment(
    key: &WalEncryptionKey,
    blob: &[u8],
) -> Result<Vec<u8>, ColumnarError> {
    decrypt_segment_envelope(key, &SEGC_MAGIC, blob)
        .map_err(|e| ColumnarError::DecryptionFailed(e.to_string()))
}