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authorYDBot <[email protected]>2026-06-10 06:27:27 +0000
committerYDBot <[email protected]>2026-06-10 06:27:27 +0000
commiteb8c7d3ee0c13034ecf5d8d35c24cefc40f0bb3f (patch)
treea1eba7fec49a258bb24bfa77808233496ac0047f /contrib/go/_std_1.25/src/crypto/ed25519
parentc4011885693f041c96b035f368aae8a1baac8885 (diff)
parent72cfbf8958fa6fa5227e9ad6466abfc635fdeb15 (diff)
Merge pull request #43056 from ydb-platform/merge-rightlib-260610-0127HEADmain
Diffstat (limited to 'contrib/go/_std_1.25/src/crypto/ed25519')
-rw-r--r--contrib/go/_std_1.25/src/crypto/ed25519/ed25519.go242
-rw-r--r--contrib/go/_std_1.25/src/crypto/ed25519/ya.make12
2 files changed, 0 insertions, 254 deletions
diff --git a/contrib/go/_std_1.25/src/crypto/ed25519/ed25519.go b/contrib/go/_std_1.25/src/crypto/ed25519/ed25519.go
deleted file mode 100644
index 0e268139587..00000000000
--- a/contrib/go/_std_1.25/src/crypto/ed25519/ed25519.go
+++ /dev/null
@@ -1,242 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package ed25519 implements the Ed25519 signature algorithm. See
-// https://ed25519.cr.yp.to/.
-//
-// These functions are also compatible with the “Ed25519” function defined in
-// RFC 8032. However, unlike RFC 8032's formulation, this package's private key
-// representation includes a public key suffix to make multiple signing
-// operations with the same key more efficient. This package refers to the RFC
-// 8032 private key as the “seed”.
-//
-// Operations involving private keys are implemented using constant-time
-// algorithms.
-package ed25519
-
-import (
- "crypto"
- "crypto/internal/fips140/ed25519"
- "crypto/internal/fips140cache"
- "crypto/internal/fips140only"
- cryptorand "crypto/rand"
- "crypto/subtle"
- "errors"
- "io"
- "strconv"
-)
-
-const (
- // PublicKeySize is the size, in bytes, of public keys as used in this package.
- PublicKeySize = 32
- // PrivateKeySize is the size, in bytes, of private keys as used in this package.
- PrivateKeySize = 64
- // SignatureSize is the size, in bytes, of signatures generated and verified by this package.
- SignatureSize = 64
- // SeedSize is the size, in bytes, of private key seeds. These are the private key representations used by RFC 8032.
- SeedSize = 32
-)
-
-// PublicKey is the type of Ed25519 public keys.
-type PublicKey []byte
-
-// Any methods implemented on PublicKey might need to also be implemented on
-// PrivateKey, as the latter embeds the former and will expose its methods.
-
-// Equal reports whether pub and x have the same value.
-func (pub PublicKey) Equal(x crypto.PublicKey) bool {
- xx, ok := x.(PublicKey)
- if !ok {
- return false
- }
- return subtle.ConstantTimeCompare(pub, xx) == 1
-}
-
-// PrivateKey is the type of Ed25519 private keys. It implements [crypto.Signer].
-type PrivateKey []byte
-
-// Public returns the [PublicKey] corresponding to priv.
-func (priv PrivateKey) Public() crypto.PublicKey {
- publicKey := make([]byte, PublicKeySize)
- copy(publicKey, priv[32:])
- return PublicKey(publicKey)
-}
-
-// Equal reports whether priv and x have the same value.
-func (priv PrivateKey) Equal(x crypto.PrivateKey) bool {
- xx, ok := x.(PrivateKey)
- if !ok {
- return false
- }
- return subtle.ConstantTimeCompare(priv, xx) == 1
-}
-
-// Seed returns the private key seed corresponding to priv. It is provided for
-// interoperability with RFC 8032. RFC 8032's private keys correspond to seeds
-// in this package.
-func (priv PrivateKey) Seed() []byte {
- return append(make([]byte, 0, SeedSize), priv[:SeedSize]...)
-}
-
-// privateKeyCache uses a pointer to the first byte of underlying storage as a
-// key, because [PrivateKey] is a slice header passed around by value.
-var privateKeyCache fips140cache.Cache[byte, ed25519.PrivateKey]
-
-// Sign signs the given message with priv. rand is ignored and can be nil.
-//
-// If opts.HashFunc() is [crypto.SHA512], the pre-hashed variant Ed25519ph is used
-// and message is expected to be a SHA-512 hash, otherwise opts.HashFunc() must
-// be [crypto.Hash](0) and the message must not be hashed, as Ed25519 performs two
-// passes over messages to be signed.
-//
-// A value of type [Options] can be used as opts, or crypto.Hash(0) or
-// crypto.SHA512 directly to select plain Ed25519 or Ed25519ph, respectively.
-func (priv PrivateKey) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) (signature []byte, err error) {
- k, err := privateKeyCache.Get(&priv[0], func() (*ed25519.PrivateKey, error) {
- return ed25519.NewPrivateKey(priv)
- }, func(k *ed25519.PrivateKey) bool {
- return subtle.ConstantTimeCompare(priv, k.Bytes()) == 1
- })
- if err != nil {
- return nil, err
- }
- hash := opts.HashFunc()
- context := ""
- if opts, ok := opts.(*Options); ok {
- context = opts.Context
- }
- switch {
- case hash == crypto.SHA512: // Ed25519ph
- return ed25519.SignPH(k, message, context)
- case hash == crypto.Hash(0) && context != "": // Ed25519ctx
- if fips140only.Enabled {
- return nil, errors.New("crypto/ed25519: use of Ed25519ctx is not allowed in FIPS 140-only mode")
- }
- return ed25519.SignCtx(k, message, context)
- case hash == crypto.Hash(0): // Ed25519
- return ed25519.Sign(k, message), nil
- default:
- return nil, errors.New("ed25519: expected opts.HashFunc() zero (unhashed message, for standard Ed25519) or SHA-512 (for Ed25519ph)")
- }
-}
-
-// Options can be used with [PrivateKey.Sign] or [VerifyWithOptions]
-// to select Ed25519 variants.
-type Options struct {
- // Hash can be zero for regular Ed25519, or crypto.SHA512 for Ed25519ph.
- Hash crypto.Hash
-
- // Context, if not empty, selects Ed25519ctx or provides the context string
- // for Ed25519ph. It can be at most 255 bytes in length.
- Context string
-}
-
-// HashFunc returns o.Hash.
-func (o *Options) HashFunc() crypto.Hash { return o.Hash }
-
-// GenerateKey generates a public/private key pair using entropy from rand.
-// If rand is nil, [crypto/rand.Reader] will be used.
-//
-// The output of this function is deterministic, and equivalent to reading
-// [SeedSize] bytes from rand, and passing them to [NewKeyFromSeed].
-func GenerateKey(rand io.Reader) (PublicKey, PrivateKey, error) {
- if rand == nil {
- rand = cryptorand.Reader
- }
-
- seed := make([]byte, SeedSize)
- if _, err := io.ReadFull(rand, seed); err != nil {
- return nil, nil, err
- }
-
- privateKey := NewKeyFromSeed(seed)
- publicKey := privateKey.Public().(PublicKey)
- return publicKey, privateKey, nil
-}
-
-// NewKeyFromSeed calculates a private key from a seed. It will panic if
-// len(seed) is not [SeedSize]. This function is provided for interoperability
-// with RFC 8032. RFC 8032's private keys correspond to seeds in this
-// package.
-func NewKeyFromSeed(seed []byte) PrivateKey {
- // Outline the function body so that the returned key can be stack-allocated.
- privateKey := make([]byte, PrivateKeySize)
- newKeyFromSeed(privateKey, seed)
- return privateKey
-}
-
-func newKeyFromSeed(privateKey, seed []byte) {
- k, err := ed25519.NewPrivateKeyFromSeed(seed)
- if err != nil {
- // NewPrivateKeyFromSeed only returns an error if the seed length is incorrect.
- panic("ed25519: bad seed length: " + strconv.Itoa(len(seed)))
- }
- copy(privateKey, k.Bytes())
-}
-
-// Sign signs the message with privateKey and returns a signature. It will
-// panic if len(privateKey) is not [PrivateKeySize].
-func Sign(privateKey PrivateKey, message []byte) []byte {
- // Outline the function body so that the returned signature can be
- // stack-allocated.
- signature := make([]byte, SignatureSize)
- sign(signature, privateKey, message)
- return signature
-}
-
-func sign(signature []byte, privateKey PrivateKey, message []byte) {
- k, err := privateKeyCache.Get(&privateKey[0], func() (*ed25519.PrivateKey, error) {
- return ed25519.NewPrivateKey(privateKey)
- }, func(k *ed25519.PrivateKey) bool {
- return subtle.ConstantTimeCompare(privateKey, k.Bytes()) == 1
- })
- if err != nil {
- panic("ed25519: bad private key: " + err.Error())
- }
- sig := ed25519.Sign(k, message)
- copy(signature, sig)
-}
-
-// Verify reports whether sig is a valid signature of message by publicKey. It
-// will panic if len(publicKey) is not [PublicKeySize].
-//
-// The inputs are not considered confidential, and may leak through timing side
-// channels, or if an attacker has control of part of the inputs.
-func Verify(publicKey PublicKey, message, sig []byte) bool {
- return VerifyWithOptions(publicKey, message, sig, &Options{Hash: crypto.Hash(0)}) == nil
-}
-
-// VerifyWithOptions reports whether sig is a valid signature of message by
-// publicKey. A valid signature is indicated by returning a nil error. It will
-// panic if len(publicKey) is not [PublicKeySize].
-//
-// If opts.Hash is [crypto.SHA512], the pre-hashed variant Ed25519ph is used and
-// message is expected to be a SHA-512 hash, otherwise opts.Hash must be
-// [crypto.Hash](0) and the message must not be hashed, as Ed25519 performs two
-// passes over messages to be signed.
-//
-// The inputs are not considered confidential, and may leak through timing side
-// channels, or if an attacker has control of part of the inputs.
-func VerifyWithOptions(publicKey PublicKey, message, sig []byte, opts *Options) error {
- if l := len(publicKey); l != PublicKeySize {
- panic("ed25519: bad public key length: " + strconv.Itoa(l))
- }
- k, err := ed25519.NewPublicKey(publicKey)
- if err != nil {
- return err
- }
- switch {
- case opts.Hash == crypto.SHA512: // Ed25519ph
- return ed25519.VerifyPH(k, message, sig, opts.Context)
- case opts.Hash == crypto.Hash(0) && opts.Context != "": // Ed25519ctx
- if fips140only.Enabled {
- return errors.New("crypto/ed25519: use of Ed25519ctx is not allowed in FIPS 140-only mode")
- }
- return ed25519.VerifyCtx(k, message, sig, opts.Context)
- case opts.Hash == crypto.Hash(0): // Ed25519
- return ed25519.Verify(k, message, sig)
- default:
- return errors.New("ed25519: expected opts.Hash zero (unhashed message, for standard Ed25519) or SHA-512 (for Ed25519ph)")
- }
-}
diff --git a/contrib/go/_std_1.25/src/crypto/ed25519/ya.make b/contrib/go/_std_1.25/src/crypto/ed25519/ya.make
deleted file mode 100644
index 7bfd994fa26..00000000000
--- a/contrib/go/_std_1.25/src/crypto/ed25519/ya.make
+++ /dev/null
@@ -1,12 +0,0 @@
-# THIS FILE IS AUTOGENERATED, DO NOT EDIT !!!
-# Generator: ya tool yamaker ym2; contrib/go/_std_{VER}/.yandex_meta/build.ym; contrib/go/yagogen/gen.py
-# Docs: https://a.yandex-team.ru/arcadia/devtools/contrib/docs/toolchain_go.md
-
-
-GO_LIBRARY()
-IF (OS_DARWIN AND ARCH_ARM64 AND RACE AND CGO_ENABLED OR OS_DARWIN AND ARCH_ARM64 AND RACE AND NOT CGO_ENABLED OR OS_DARWIN AND ARCH_ARM64 AND NOT RACE AND CGO_ENABLED OR OS_DARWIN AND ARCH_ARM64 AND NOT RACE AND NOT CGO_ENABLED OR OS_DARWIN AND ARCH_X86_64 AND RACE AND CGO_ENABLED OR OS_DARWIN AND ARCH_X86_64 AND RACE AND NOT CGO_ENABLED OR OS_DARWIN AND ARCH_X86_64 AND NOT RACE AND CGO_ENABLED OR OS_DARWIN AND ARCH_X86_64 AND NOT RACE AND NOT CGO_ENABLED OR OS_LINUX AND ARCH_AARCH64 AND RACE AND CGO_ENABLED OR OS_LINUX AND ARCH_AARCH64 AND RACE AND NOT CGO_ENABLED OR OS_LINUX AND ARCH_AARCH64 AND NOT RACE AND CGO_ENABLED OR OS_LINUX AND ARCH_AARCH64 AND NOT RACE AND NOT CGO_ENABLED OR OS_LINUX AND ARCH_X86_64 AND RACE AND CGO_ENABLED OR OS_LINUX AND ARCH_X86_64 AND RACE AND NOT CGO_ENABLED OR OS_LINUX AND ARCH_X86_64 AND NOT RACE AND CGO_ENABLED OR OS_LINUX AND ARCH_X86_64 AND NOT RACE AND NOT CGO_ENABLED OR OS_LINUX AND ARCH_ARM6 AND RACE AND CGO_ENABLED OR OS_LINUX AND ARCH_ARM6 AND RACE AND NOT CGO_ENABLED OR OS_LINUX AND ARCH_ARM6 AND NOT RACE AND CGO_ENABLED OR OS_LINUX AND ARCH_ARM6 AND NOT RACE AND NOT CGO_ENABLED OR OS_LINUX AND ARCH_ARM7 AND RACE AND CGO_ENABLED OR OS_LINUX AND ARCH_ARM7 AND RACE AND NOT CGO_ENABLED OR OS_LINUX AND ARCH_ARM7 AND NOT RACE AND CGO_ENABLED OR OS_LINUX AND ARCH_ARM7 AND NOT RACE AND NOT CGO_ENABLED OR OS_WINDOWS AND ARCH_X86_64 AND RACE AND CGO_ENABLED OR OS_WINDOWS AND ARCH_X86_64 AND RACE AND NOT CGO_ENABLED OR OS_WINDOWS AND ARCH_X86_64 AND NOT RACE AND CGO_ENABLED OR OS_WINDOWS AND ARCH_X86_64 AND NOT RACE AND NOT CGO_ENABLED OR OS_ANDROID AND ARCH_ARM64 AND RACE AND CGO_ENABLED OR OS_ANDROID AND ARCH_ARM64 AND RACE AND NOT CGO_ENABLED OR OS_ANDROID AND ARCH_ARM64 AND NOT RACE AND CGO_ENABLED OR OS_ANDROID AND ARCH_ARM64 AND NOT RACE AND NOT CGO_ENABLED OR OS_EMSCRIPTEN AND ARCH_WASM32 AND RACE AND CGO_ENABLED OR OS_EMSCRIPTEN AND ARCH_WASM32 AND RACE AND NOT CGO_ENABLED OR OS_EMSCRIPTEN AND ARCH_WASM32 AND NOT RACE AND CGO_ENABLED OR OS_EMSCRIPTEN AND ARCH_WASM32 AND NOT RACE AND NOT CGO_ENABLED)
- SRCS(
- ed25519.go
- )
-ENDIF()
-END()