libssh2 1.10 This release includes the following enhancements and bugfixes: o adds agent forwarding support o adds OpenSSH Agent support on Windows o adds ECDSA key support using the Mbed TLS backend o adds ECDSA cert authentication o adds diffie-hellman-group14-sha256, diffie-hellman-group16-sha512, diffie-hellman-group18-sha512 key exchanges o adds support for PKIX key reading when using ed25519 with OpenSSL o adds support for EWOULDBLOCK on VMS systems o adds support for building with OpenSSL 3 o adds support for using FIPS mode in OpenSSL o adds debug symbols when building with MSVC o adds support for building on the 3DS o adds unicode build support on Windows o restores os400 building o increases min, max and opt Diffie Hellman group values o improves portiablity of the make file o improves timeout behavior with 2FA keyboard auth o various improvements to the Wincng backend o fixes reading parital packet replies when using an agent o fixes Diffie Hellman key exchange on Windows 1903+ builds o fixes building tests with older versions of OpenSSL o fixes possible multiple definition warnings o fixes potential cast issues _libssh2_ecdsa_key_get_curve_type() o fixes potential use after free if libssh2_init() is called twice o improved linking when using Mbed TLS o fixes call to libssh2_crypto_exit() if crypto hasn't been initialized o fixes crash when loading public keys with no id o fixes possible out of bounds read when exchanging keys o fixes possible out of bounds read when reading packets o fixes possible out of bounds read when opening an X11 connection o fixes possible out of bounds read when ecdh host keys o fixes possible hang when trying to read a disconnected socket o fixes a crash when using the delayed compression option o fixes read error with large known host entries o fixes various warnings o fixes various small memory leaks o improved error handling, various detailed errors will now be reported o builds are now using OSS-Fuzz o builds now use autoreconf instead of a custom build script o cmake now respects install directory o improved CI backend o updated HACKING-CRYPTO documentation o use markdown file extensions o improved unit tests This release would not have looked like this without help, code, reports and advice from friends like these: katzer, Orgad Shaneh, mark-i-m, Zenju, axjowa, Thilo Schulz, Etienne Samson, hlefebvre, seba30, Panos, jethrogb, Fabrice Fontaine, Will Cosgrove, Daniel Stenberg, Michael Buckley, Wallace Souza Silva, Romain-Geissler-1A, meierha, Tseng Jun, Thomas Klausner, Brendan Shanks, Harry Sintonen, monnerat, Koutheir Attouchi, Marc Hörsken, yann-morin-1998, Wez Furlong, TDi-jonesds, David Benjamin, Max Dymond, Igor Klevanets, Viktor Szakats, Laurent Stacul, Mstrodl, Gabriel Smith, MarcT512, Paul Capron, teottin, Tor Erik Ottinsen, Brian Inglis (40 contributors)