SagerNet/sing-shadowsocks
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Minimal dependencies & Fixes

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世界 2022-05-27 14:45:41 +08:00
parent 48809b0a99
commit fa7811b49c
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GPG key ID: CD109927C34A63C4
13 changed files with 237 additions and 191 deletions
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53
shadowstream/protocol.go
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@ -3,7 +3,6 @@ package shadowstream
import (
"crypto/aes"
"crypto/cipher"
"crypto/des"
"crypto/md5"
"crypto/rand"
"crypto/rc4"
@ -12,15 +11,12 @@ import (
"os"
"runtime"
"github.com/dgryski/go-camellia"
"github.com/sagernet/sing-shadowsocks"
"github.com/sagernet/sing-shadowsocks/shadowaead"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"golang.org/x/crypto/blowfish"
"golang.org/x/crypto/cast5"
"golang.org/x/crypto/chacha20"
)
@ -31,15 +27,7 @@ var List = []string{
"aes-128-cfb",
"aes-192-cfb",
"aes-256-cfb",
"camellia-128-cfb",
"camellia-192-cfb",
"camellia-256-cfb",
"bf-cfb",
"cast5-cfb",
"des-cfb",
"rc4",
"rc4-md5",
"chacha20",
"chacha20-ietf",
"xchacha20",
}
@ -88,45 +76,6 @@ func New(method string, key []byte, password string) (shadowsocks.Method, error)
m.saltLength = aes.BlockSize
m.encryptConstructor = blockStream(aes.NewCipher, cipher.NewCFBEncrypter)
m.decryptConstructor = blockStream(aes.NewCipher, cipher.NewCFBDecrypter)
case "camellia-128-cfb":
m.keyLength = 16
m.saltLength = camellia.BlockSize
m.encryptConstructor = blockStream(camellia.New, cipher.NewCFBEncrypter)
m.decryptConstructor = blockStream(camellia.New, cipher.NewCFBDecrypter)
case "camellia-192-cfb":
m.keyLength = 24
m.saltLength = camellia.BlockSize
m.encryptConstructor = blockStream(camellia.New, cipher.NewCFBEncrypter)
m.decryptConstructor = blockStream(camellia.New, cipher.NewCFBDecrypter)
case "camellia-256-cfb":
m.keyLength = 32
m.saltLength = camellia.BlockSize
m.encryptConstructor = blockStream(camellia.New, cipher.NewCFBEncrypter)
m.decryptConstructor = blockStream(camellia.New, cipher.NewCFBDecrypter)
case "bf-cfb":
m.keyLength = 16
m.saltLength = blowfish.BlockSize
m.encryptConstructor = blockStream(func(key []byte) (cipher.Block, error) { return blowfish.NewCipher(key) }, cipher.NewCFBEncrypter)
m.decryptConstructor = blockStream(func(key []byte) (cipher.Block, error) { return blowfish.NewCipher(key) }, cipher.NewCFBDecrypter)
case "cast5-cfb":
m.keyLength = 16
m.saltLength = cast5.BlockSize
m.encryptConstructor = blockStream(func(key []byte) (cipher.Block, error) { return cast5.NewCipher(key) }, cipher.NewCFBEncrypter)
m.decryptConstructor = blockStream(func(key []byte) (cipher.Block, error) { return cast5.NewCipher(key) }, cipher.NewCFBDecrypter)
case "des-cfb":
m.keyLength = 8
m.saltLength = des.BlockSize
m.encryptConstructor = blockStream(des.NewCipher, cipher.NewCFBEncrypter)
m.decryptConstructor = blockStream(des.NewCipher, cipher.NewCFBDecrypter)
case "rc4":
m.keyLength = 16
m.saltLength = 0
m.encryptConstructor = func(key []byte, salt []byte) (cipher.Stream, error) {
return rc4.NewCipher(key)
}
m.decryptConstructor = func(key []byte, salt []byte) (cipher.Stream, error) {
return rc4.NewCipher(key)
}
case "rc4-md5":
m.keyLength = 16
m.saltLength = 0
@ -142,7 +91,7 @@ func New(method string, key []byte, password string) (shadowsocks.Method, error)
h.Write(salt)
return rc4.NewCipher(h.Sum(nil))
}
case "chacha20", "chacha20-ietf":
case "chacha20-ietf":
m.keyLength = chacha20.KeySize
m.saltLength = chacha20.NonceSize
m.encryptConstructor = func(key []byte, salt []byte) (cipher.Stream, error) {