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https://github.com/curl/curl-for-win

Reproducible curl binaries for Linux, macOS and Windows
https://github.com/curl/curl-for-win

binaries builds curl http3 libcurl linux macos musl-libc reproducible ssh tls ucrt windows

Last synced: about 1 month ago
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Reproducible curl binaries for Linux, macOS and Windows

Host: GitHub
URL: https://github.com/curl/curl-for-win
Owner: curl
License: mit
Created: 2015-09-03T10:03:04.000Z (about 9 years ago)
Default Branch: main
Last Pushed: 2024-04-13T18:03:28.000Z (5 months ago)
Last Synced: 2024-04-14T12:12:34.297Z (5 months ago)
Topics: binaries, builds, curl, http3, libcurl, linux, macos, musl-libc, reproducible, ssh, tls, ucrt, windows
Language: Shell
Homepage: https://curl.se/windows/
Size: 3.28 MB
Stars: 665
Watchers: 48
Forks: 196
Open Issues: 1
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE.md
- Code of conduct: CODE_OF_CONDUCT.md
- Security: SECURITY.md

Awesome Lists containing this project

README

[![Build status](https://ci.appveyor.com/api/projects/status/8yf6xjgq7u0cm013/branch/main?svg=true)](https://ci.appveyor.com/project/curlorg/curl-for-win/branch/main)
[![Daily status](https://github.com/curl/curl-for-win/actions/workflows/daily.yml/badge.svg)](https://github.com/curl/curl-for-win/actions/workflows/daily.yml)

# Reproducible curl binaries for Linux, macOS and Windows

- **We
[plan](https://github.com/curl/curl-for-win/discussions/68) to stop
building and distributing 32-bit Windows binaries on 2025-Aug-20.
Custom 32-bit builds remain available with a deprecated,
community-supported status. We recommend migrating to 64-bit Intel
or ARM binaries.**
- [Download](https://curl.se/windows/) our
`.tar.xz` or `.zip` packages,
PGP signed with:
[`BDCF 067D 3908 B272 7A4A 9487 67C1 0037 40BF 8DC2`](https://raw.githubusercontent.com/curl/curl-for-win/main/sign-pkg-public.asc)
- Standalone `curl` tool and `libcurl` DLL. Static libraries included.
- Required: Windows Vista with
[Universal CRT](https://support.microsoft.com/topic/update-for-universal-c-runtime-in-windows-322bf30f-4735-bb94-3949-49f5c49f4732)
(x64, ARM64 or x86), macOS 10.9 Mavericks (Intel or ARM),
any Linux (amd64, arm64 or experimental RISC-V) with
[MUSL](https://en.wikipedia.org/wiki/Musl) builds.
- [HTTP/3](https://en.wikipedia.org/wiki/HTTP/3),
[HTTP/2](https://en.wikipedia.org/wiki/HTTP/2) support,
and [more](#features).
- ARM64 Windows builds are
[Control Flow Guard](https://learn.microsoft.com/windows/win32/secbp/control-flow-guard)
enabled. Intel builds have
[CET](https://www.intel.com/content/www/us/en/developer/articles/technical/technical-look-control-flow-enforcement-technology.html)
enabled. All builds have frame pointers enabled.
- Transparent builds, using open source code, run in
[public](https://ci.appveyor.com/project/curlorg/curl-for-win/branch/main),
with auditable [logs](#build-logs).
- [LLVM/Clang](https://clang.llvm.org/) build environment with
[`mingw-w64`](https://sourceforge.net/p/mingw-w64/) via
[Debian](https://packages.debian.org/testing/mingw-w64),
[Homebrew](https://formulae.brew.sh/formula/mingw-w64),
[MSYS2](https://www.msys2.org/).
[`llvm-mingw`](https://github.com/mstorsjo/llvm-mingw) for ARM64.
- Windows cross-built and published via
[AppVeyor CI](https://www.appveyor.com/). Linux built via GHA.
Using reproducible OS image
[`debian:testing-slim`](https://github.com/debuerreotype/docker-debian-artifacts/tree/dist-amd64/testing/slim)
via [Docker](https://hub.docker.com/_/debian/). macOS built via GHA.
- Linux and macOS builds are experimental and *not* official curl builds.
- We verify components using SHA-256, and PGP where provided.
- We build [reproducible](https://reproducible-builds.org/) binaries,
producing the same hash given the same input sources and C compiler.
- Patching policy: No local patches. We may apply patches if already merged
upstream or — for showstoppers — had them submitted with fair
confidence of getting merged.
- You can look up our package hashes in lines starting with `SHA` in the
[build log](https://ci.appveyor.com/project/curlorg/curl-for-win/branch/main).
- Packages built across host platforms do not have identical hashes due to
slightly different build options and toolchain builds/versions. Except
`llvm-mingw` builds, which are reproducible across platforms. ARM64 and
BoringSSL builds are such by default.
- We code-sign with a self-signed certificate on Windows, and avoid trusted
timestamps for reproducibility.

# Features

Uses [LibreSSL](https://www.libressl.org/) TLS backend.

```
Windows:
Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns ldap ldaps mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS brotli CAcert HSTS HTTP2 HTTP3 HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM PSL SPNEGO SSL SSPI threadsafe UnixSockets zstd

macOS:
Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns ldap ldaps mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS brotli CAcert HSTS HTTP2 HTTP3 HTTPS-proxy IDN IPv6 Largefile libz NTLM PSL SSL threadsafe UnixSockets zstd

Linux:
Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS brotli CAcert HSTS HTTP2 HTTP3 HTTPS-proxy IPv6 Largefile libz NTLM PSL SSL threadsafe UnixSockets zstd
```
Alternate configurations:

```
"noh3", HTTP/2:
Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns ldap ldaps mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS brotli CAcert HSTS HTTP2 HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM PSL SPNEGO SSL SSPI threadsafe UnixSockets zstd

"mini", without brotli and zstd, with OS TLS backend (Schannel, SecureTransport) if available:
Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns ldap ldaps mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS CAcert HSTS HTTP2 HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM PSL SPNEGO SSL SSPI threadsafe UnixSockets

"micro", without libssh2:
Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns ldap ldaps mqtt pop3 pop3s rtsp smb smbs smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS CAcert HSTS HTTP2 HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM PSL SPNEGO SSL SSPI threadsafe UnixSockets

"nano", HTTP/1.1:
Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns ldap ldaps mqtt pop3 pop3s rtsp smb smbs smtp smtps telnet tftp ws wss
Features: AsynchDNS CAcert HSTS HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM PSL SPNEGO SSL SSPI threadsafe UnixSockets

"pico", HTTP/1.1-only:
Protocols: http https ipfs ipns
Features: AsynchDNS CAcert HSTS HTTPS-proxy IPv6 Largefile libz PSL SSL threadsafe
```

# Downloads

* Latest version for Windows:

* Specific versions for Windows, back to 8.2.0:

`https://curl.se/windows/dl-_/`

Example:

# Build logs

# Unstable/development daily builds

# Guarantees and Liability

See [LICENSE](LICENSE.md).

Information in this document is subject to change without notice and does
not represent or imply any future commitment by the participants of the
project.