# 🚨 DEPRECATED! 🚨
The `block-cipher` and `stream-cipher` crates have been merged into the new
[`cipher`](https://github.com/RustCrypto/traits/tree/master/cipher) crate.
There will be no further releases of `block-cipher` or `stream-cipher`.
Please upgrade to the `cipher` crate:
- **crates.io**: https://crates.io/crates/cipher
- **docs.rs**: https://docs.rs/cipher
- **github**: https://github.com/RustCrypto/traits/tree/master/cipher