14665995848

Committed 25 Apr 2025 01:39PM UTC coverage: 82.772% (-0.2%) from 82.961%

Build # 14665995848

Build Type

Pull #1696

github

Committed by

rusher

Commit Message

use named constants for caching_sha2_password

Pull Request Pull Request #1696: Authentication

Run Details

321 of 387 new or added lines in 9 files covered. (82.95%)

7 existing lines in 3 files now uncovered.

3315 of 4005 relevant lines covered (82.77%)

2440698.09 hits per line

Source File
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84.62

/auth_ed25519.go

// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2023 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.

package mysql

import (
        "crypto/sha512"
        "filippo.io/edwards25519"
)

// ClientEd25519Plugin implements the client_ed25519 authentication
type ClientEd25519Plugin struct {
        SimpleAuth
}

func init() {
        RegisterAuthPlugin(&ClientEd25519Plugin{})
}

func (p *ClientEd25519Plugin) PluginName() string {
        return "client_ed25519"
}

func (p *ClientEd25519Plugin) InitAuth(authData []byte, cfg *Config) ([]byte, error) {
        // Derived from https://github.com/MariaDB/server/blob/d8e6bb00888b1f82c031938f4c8ac5d97f6874c3/plugin/auth_ed25519/ref10/sign.c
        // Code style is from https://cs.opensource.google/go/go/+/refs/tags/go1.21.5:src/crypto/ed25519/ed25519.go;l=207
        h := sha512.Sum512([]byte(cfg.Passwd))

        s, err := edwards25519.NewScalar().SetBytesWithClamping(h[:32])
        if err != nil {
                return nil, err
        }
        A := (&edwards25519.Point{}).ScalarBaseMult(s)

        mh := sha512.New()
        mh.Write(h[32:])
        mh.Write(authData)
        messageDigest := mh.Sum(nil)
        r, err := edwards25519.NewScalar().SetUniformBytes(messageDigest)
        if err != nil {
                return nil, err
        }

        R := (&edwards25519.Point{}).ScalarBaseMult(r)

        kh := sha512.New()
        kh.Write(R.Bytes())
        kh.Write(A.Bytes())
        kh.Write(authData)
        hramDigest := kh.Sum(nil)
        k, err := edwards25519.NewScalar().SetUniformBytes(hramDigest)
        if err != nil {
                return nil, err
        }

        S := k.MultiplyAdd(k, s, r)

        return append(R.Bytes(), S.Bytes()...), nil
}

1	// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
2	//
3	// Copyright 2023 The Go-MySQL-Driver Authors. All rights reserved.
4	//
5	// This Source Code Form is subject to the terms of the Mozilla Public
6	// License, v. 2.0. If a copy of the MPL was not distributed with this file,
7	// You can obtain one at http://mozilla.org/MPL/2.0/.
8
9	package mysql
10
11	import (
12	"crypto/sha512"
13	"filippo.io/edwards25519"
14	)
15
16	// ClientEd25519Plugin implements the client_ed25519 authentication
17	type ClientEd25519Plugin struct {
18	SimpleAuth
19	}
20
21	func init() {	32✔
22	RegisterAuthPlugin(&ClientEd25519Plugin{})	32✔
23	}	32✔
24
25	func (p *ClientEd25519Plugin) PluginName() string {	32✔
26	return "client_ed25519"	32✔
27	}	32✔
28
29	func (p ClientEd25519Plugin) InitAuth(authData []byte, cfg Config) ([]byte, error) {	32✔
30	// Derived from https://github.com/MariaDB/server/blob/d8e6bb00888b1f82c031938f4c8ac5d97f6874c3/plugin/auth_ed25519/ref10/sign.c	32✔
31	// Code style is from https://cs.opensource.google/go/go/+/refs/tags/go1.21.5:src/crypto/ed25519/ed25519.go;l=207	32✔
32	h := sha512.Sum512([]byte(cfg.Passwd))	32✔
33		32✔
34	s, err := edwards25519.NewScalar().SetBytesWithClamping(h[:32])	32✔
35	if err != nil {	32✔
NEW 36	return nil, err	×
NEW 37	}	×
38	A := (&edwards25519.Point{}).ScalarBaseMult(s)	32✔
39		32✔
40	mh := sha512.New()	32✔
41	mh.Write(h[32:])	32✔
42	mh.Write(authData)	32✔
43	messageDigest := mh.Sum(nil)	32✔
44	r, err := edwards25519.NewScalar().SetUniformBytes(messageDigest)	32✔
45	if err != nil {	32✔
NEW 46	return nil, err	×
NEW 47	}	×
48
49	R := (&edwards25519.Point{}).ScalarBaseMult(r)	32✔
50		32✔
51	kh := sha512.New()	32✔
52	kh.Write(R.Bytes())	32✔
53	kh.Write(A.Bytes())	32✔
54	kh.Write(authData)	32✔
55	hramDigest := kh.Sum(nil)	32✔
56	k, err := edwards25519.NewScalar().SetUniformBytes(hramDigest)	32✔
57	if err != nil {	32✔
NEW 58	return nil, err	×
NEW 59	}	×
60
61	S := k.MultiplyAdd(k, s, r)	32✔
62		32✔
63	return append(R.Bytes(), S.Bytes()...), nil	32✔
64	}

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