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Review: golang-filippo-nistec 0.0.4-2

Package Information

DescriptionGo NIST P elliptic curves (library)

This package implements the NIST P elliptic curves, according to FIPS 186-4 and SEC 1, Version 2.0, exposing the necessary APIs to build a wide array of higher-level primitives.

It's an exported version of crypto/internal/fips140/nistec in the standard library, which powers crypto/elliptic, crypto/ecdsa, and crypto/ecdh. The git history has been preserved, and new upstream changes are applied periodically.

This package uses fiat-crypto or specialized assembly and Go code for its backend field arithmetic (not math/big) and exposes constant-time, heap allocation-free, byte slice-based safe APIs. Group operations use modern and safe complete addition formulas where possible. The point at infinity is handled and encoded according to SEC 1, Version 2.0, and invalid curve points can't be represented. This makes it particularly suitable to be used as a prime order group implementation.

Use the purego build tag to exclude the assembly and rely entirely on formally verified fiat-crypto arithmetic and complete addition formulas.

Read the docs at https://pkg.go.dev/filippo.io/nistec

This repository generally does not accept contributions. Any changes should be submitted upstream to the Go project.

This package contains the Go library source code.

MaintainerDebian Go Packaging Team <team+pkg-go@tracker.debian.org>
Changed BySimon Josefsson <simon@josefsson.org>
Sponsorsimon@josefsson.org
Distributionunstable
Architectureall
VCSgit: https://salsa.debian.org/go-team/packages/golang-filippo-nistec.git (browse)
Trackerhttps://tracker.debian.org/pkg/golang-filippo-nistec
Uploaded1 day ago

New Package Report

.changes
DateWed, 11 Feb 2026 12:05:42 +0100
Sourcegolang-filippo-nistec
Version0.0.4-2
Changed-BySimon Josefsson
Architecturesource all
Distributionunstable
.dsc
Sectiongolang
Priorityoptional
Componentmain
Package-Listgolang-filippo-nistec-dev deb golang optional arch=all
debian/copyright
Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: https://github.com/FiloSottile/nistec
Upstream-Name: nistec
Upstream-Contact: Filippo Valsorda <github@filippo.io>

Files: *
Copyright: 2009-2024 The Go Authors
License: BSD-3-clause

Files: internal/fiat/*
Copyright: 2015-2020 The fiat-crypto Authors. All rights reserved.
License: BSD-1-Clause
Comment: internal/fiat/README

Files: debian/*
Copyright: 2025-2026 Simon Josefsson <simon@josefsson.org>
License: BSD-3-clause
Comment: Debian packaging is licensed under the same terms as upstream

License: BSD-1-Clause
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are
    met:
 .
        1. Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.
 .
    THIS SOFTWARE IS PROVIDED BY the fiat-crypto authors "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design,
    Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

License: BSD-3-clause
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:
 .
   * Redistributions of source code must retain the above copyright
 notice, this list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above
 copyright notice, this list of conditions and the following disclaimer
 in the documentation and/or other materials provided with the
 distribution.
   * Neither the name of Google LLC nor the names of its
 contributors may be used to endorse or promote products derived from
 this software without specific prior written permission.
 .
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Review Information

rejected — allocated to siretart 2 days ago, started 2 days ago, completed 2 days ago.

Final Comment

The package contains fiat-crypto derived code with a distinct copyright and license that is not properly documented in debian/copyright.

File internal/fiat/README contains:

Copyright (c) 2015-2020 The fiat-crypto Authors. All rights reserved.                                                                                         
                                                                                                                                                              
Redistribution and use in source and binary forms, with or without                                                                                            
modification, are permitted provided that the following conditions are                                                                                        
met:                                                                                                                                                          
        1. Redistributions of source code must retain the above copyright                                                                                     
        notice, this list of conditions and the following disclaimer.                                                                                         

This represents a separate copyright holder and license from the main Go Authors BSD-3-clause license.

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