dtls2 0.17.0

A DTLS library for Dart, implemented via FFI bindings to OpenSSL.

0.17.0

New Features

• Added standalone server example
• Made send APIs asynchronous (breaking change)
• Introduced new requiresClosing state

Fixes

• Use new requiresClosing state for alert handling
• Prevent clients t from crashing when using empty PSK
• Let server actually perform shutdown on connection loss
• Let client throw SocketException if not connected anymore

0.16.0

New Features

• Added support for M1 Macs using OpenSSL installed via Homebrew
• Introduced a new DtlsTimeoutException

Fixes

• Fixed a bug that could cause a segmentation fault for the server when a client closed the connection
• Fixed a bug that caused failed client-side handshakes to emit uncatchable Exceptions

0.15.0

• fix: properly handle unreachable network
• fix: avoid segmentation fault for client connection
• feat: add additional library names for OpenSSL 3 discovery

0.14.1

• fix(client): throw SocketException if Network is unreachable

0.14.0

• fix(server): fix server behavior during handshake
• feat: expose state of connections
• chore: use lint package for stricter linting
• fix(dtls_client): improve error handling

0.13.4

• fix: shutdown connections only when actually connected
• fix: fix client behavior during connection closing
• fix: fix server behavior during connection closing

0.13.3

• ci: simplify code coverage generation
• refactor: refactor connection closing mechanism
• refactor: refactor client connection setup
• test: increase test coverage
• refactor: refactor DTLS server implementation
• fix: don't close client or server connection twice during alert handling

0.13.2

• fix(client): handle unreachable network

0.13.1

• docs: add library documentation

0.13.0

• feat!: rework library loading

0.12.1

• fix: use correct name for libcrypto load exception
• fix(dtls_client): switch loading order of libcrypto and libssl

0.12.0

• feat!: simplify identity hint determination
• feat!: do not use typed_data types for external APIs

0.11.0

• fix(dtls_client): throw exception if no ciphers are available
• fix: close client and server when the underlying socket is closed
• fix: export DtlsException class

0.10.0

• chore!: bump required Dart version to 2.17
• refactor: refactor alert handling using enhanced enums

0.9.0

• feat: replace TlsExceptions with DtlsException
• feat: add DTLS server implementation
• docs: update README

0.8.2

• docs: fix documentation of DtlsException

0.8.1

• fix(client): improve connection closing behavior
• refactor: refactor DTLS client

0.8.0

• feat!: pass DtlsClientContext to connect method
• feat: add timeout parameter to connect method

0.7.0

• feat!: use DynamicLibrary objects for loading libssl and libcrpyto externally
• feat!: don't expose OpenSsl ffi class

0.6.0

• chore: update dependencies, upgrade to ffi 2.x.x

0.5.2

• fix: fix hostname verification of X.509 certificates

0.5.1

• feat: shutdown DTLS connection upon closing

0.5.0

• refactor: rename NativeLibrary class to OpenSsl
• feat: expose OpenSsl class

0.4.0

• feat: look for multiple default OpenSSL file names
• feat: allow passing custom libSsl and libCrypto objects
• feat: add additional default macOS lib paths
• chore: also run CI on Windows and macOS
• fix: fix macOS homebrew paths
• chore: adjust example
• docs: update README
• fix: don't iterate over connection cache for incoming data

0.3.0

• feat!: improve memory safety of DtlsClientContext
• fix: fix caching of DTLS connections in clients
• fix!: make connection closing asynchronous

0.2.2

• chore: rename example file

0.2.1

• fix: call BIO_free on the correct NativeLibrary object

0.2.0

• feat: define callback for handling DTLS alerts
• feat!: refactor library, rework external API

0.1.0

• initial version with added PSK functionality and Windows support