mirror of https://github.com/schollz/croc.git
no encrypt
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parent
601d88af74
commit
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@ -1802,10 +1802,10 @@ func (c *Client) receiveData(i int) {
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continue
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}
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data, err = crypt.Decrypt(data, c.Key)
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if err != nil {
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panic(err)
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}
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// data, err = crypt.Decrypt(data, c.Key)
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// if err != nil {
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// panic(err)
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// }
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if !c.Options.NoCompress {
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data = compress.Decompress(data)
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}
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@ -1904,10 +1904,7 @@ func (c *Client) sendData(i int) {
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var err error
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var dataToSend []byte
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if c.Options.NoCompress {
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dataToSend, err = crypt.Encrypt(
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append(posByte, data[:n]...),
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c.Key,
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)
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dataToSend = append(posByte, data[:n]...)
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} else {
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dataToSend, err = crypt.Encrypt(
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compress.Compress(
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@ -1,6 +1,7 @@
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package crypt
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import (
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"crypto/aes"
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"crypto/cipher"
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"crypto/rand"
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"crypto/sha256"
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@ -34,46 +35,42 @@ func New(passphrase []byte, usersalt []byte) (key []byte, salt []byte, err error
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// Encrypt will encrypt using the pre-generated key
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func Encrypt(plaintext []byte, key []byte) (encrypted []byte, err error) {
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encrypted = plaintext
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// generate a random iv each time
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// http://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38d.pdf
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// Section 8.2
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ivBytes := make([]byte, 12)
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if _, err = rand.Read(ivBytes); err != nil {
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log.Fatalf("can't initialize crypto: %v", err)
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}
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b, err := aes.NewCipher(key)
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if err != nil {
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return
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}
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aesgcm, err := cipher.NewGCM(b)
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if err != nil {
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return
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}
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encrypted = aesgcm.Seal(nil, ivBytes, plaintext, nil)
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encrypted = append(ivBytes, encrypted...)
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return
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// // generate a random iv each time
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// // http://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38d.pdf
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// // Section 8.2
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// ivBytes := make([]byte, 12)
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// if _, err = rand.Read(ivBytes); err != nil {
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// log.Fatalf("can't initialize crypto: %v", err)
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// }
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// b, err := aes.NewCipher(key)
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// if err != nil {
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// return
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// }
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// aesgcm, err := cipher.NewGCM(b)
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// if err != nil {
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// return
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// }
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// encrypted = aesgcm.Seal(nil, ivBytes, plaintext, nil)
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// encrypted = append(ivBytes, encrypted...)
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// return
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}
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// Decrypt using the pre-generated key
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func Decrypt(encrypted []byte, key []byte) (plaintext []byte, err error) {
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plaintext = encrypted
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if len(encrypted) < 13 {
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err = fmt.Errorf("incorrect passphrase")
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return
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}
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b, err := aes.NewCipher(key)
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if err != nil {
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return
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}
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aesgcm, err := cipher.NewGCM(b)
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if err != nil {
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return
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}
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plaintext, err = aesgcm.Open(nil, encrypted[:12], encrypted[12:], nil)
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return
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// if len(encrypted) < 13 {
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// err = fmt.Errorf("incorrect passphrase")
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// return
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// }
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// b, err := aes.NewCipher(key)
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// if err != nil {
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// return
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// }
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// aesgcm, err := cipher.NewGCM(b)
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// if err != nil {
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// return
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// }
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// plaintext, err = aesgcm.Open(nil, encrypted[:12], encrypted[12:], nil)
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// return
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}
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// NewArgon2 generates a new key based on a passphrase and salt
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