use the new feature of the crc crate for more throughput in sctp (#569)

* use the new feature of the crc crate for more throughput in sctp

* changelog entry

---------

Co-authored-by: Moritz Borcherding <[email protected]>

Author: KillingSpark

sctp/CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+* Use the new algorithm in crc crate for better throughput [#569](https://github.com/webrtc-rs/webrtc/pull/569)
+
 ## v0.8.0
 
 * Fix 'attempt to add with overflow' panic in dev profile [#393](https://github.com/webrtc-rs/webrtc/pull/393)

sctp/Cargo.toml

@@ -27,7 +27,7 @@ tokio = { version = "1.32.0", features = [
 ] }
 bytes = "1"
 rand = "0.8"
-crc = "3"
+crc = "3.2.1"
 async-trait = "0.1"
 log = "0.4"
 thiserror = "1"

sctp/src/util.rs

@@ -1,5 +1,5 @@
 use bytes::Bytes;
-use crc::{Crc, CRC_32_ISCSI};
+use crc::{Crc, CRC_32_ISCSI, Table};
 
 pub(crate) const PADDING_MULTIPLE: usize = 4;
 
@@ -11,7 +11,7 @@ pub(crate) fn get_padding_size(len: usize) -> usize {
 /// We need to use it for the checksum and don't want to allocate/clear each time.
 pub(crate) static FOUR_ZEROES: Bytes = Bytes::from_static(&[0, 0, 0, 0]);
 
-pub(crate) const ISCSI_CRC: Crc<u32> = Crc::<u32>::new(&CRC_32_ISCSI);
+pub(crate) const ISCSI_CRC: Crc<u32, Table<16>> = Crc::<u32, Table<16>>::new(&CRC_32_ISCSI);
 
 /// Fastest way to do a crc32 without allocating.
 pub(crate) fn generate_packet_checksum(raw: &Bytes) -> u32 {