[chore] remove vendor

1 files changed, 0 insertions, 93 deletions

diff --git a/vendor/golang.org/x/crypto/ssh/internal/bcrypt_pbkdf/bcrypt_pbkdf.go b/vendor/golang.org/x/crypto/ssh/internal/bcrypt_pbkdf/bcrypt_pbkdf.go
deleted file mode 100644
index af81d2665..000000000
--- a/vendor/golang.org/x/crypto/ssh/internal/bcrypt_pbkdf/bcrypt_pbkdf.go
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright 2014 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 bcrypt_pbkdf implements bcrypt_pbkdf(3) from OpenBSD.
-//
-// See https://flak.tedunangst.com/post/bcrypt-pbkdf and
-// https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libutil/bcrypt_pbkdf.c.
-package bcrypt_pbkdf
-
-import (
-	"crypto/sha512"
-	"errors"
-	"golang.org/x/crypto/blowfish"
-)
-
-const blockSize = 32
-
-// Key derives a key from the password, salt and rounds count, returning a
-// []byte of length keyLen that can be used as cryptographic key.
-func Key(password, salt []byte, rounds, keyLen int) ([]byte, error) {
-	if rounds < 1 {
-		return nil, errors.New("bcrypt_pbkdf: number of rounds is too small")
-	}
-	if len(password) == 0 {
-		return nil, errors.New("bcrypt_pbkdf: empty password")
-	}
-	if len(salt) == 0 || len(salt) > 1<<20 {
-		return nil, errors.New("bcrypt_pbkdf: bad salt length")
-	}
-	if keyLen > 1024 {
-		return nil, errors.New("bcrypt_pbkdf: keyLen is too large")
-	}
-
-	numBlocks := (keyLen + blockSize - 1) / blockSize
-	key := make([]byte, numBlocks*blockSize)
-
-	h := sha512.New()
-	h.Write(password)
-	shapass := h.Sum(nil)
-
-	shasalt := make([]byte, 0, sha512.Size)
-	cnt, tmp := make([]byte, 4), make([]byte, blockSize)
-	for block := 1; block <= numBlocks; block++ {
-		h.Reset()
-		h.Write(salt)
-		cnt[0] = byte(block >> 24)
-		cnt[1] = byte(block >> 16)
-		cnt[2] = byte(block >> 8)
-		cnt[3] = byte(block)
-		h.Write(cnt)
-		bcryptHash(tmp, shapass, h.Sum(shasalt))
-
-		out := make([]byte, blockSize)
-		copy(out, tmp)
-		for i := 2; i <= rounds; i++ {
-			h.Reset()
-			h.Write(tmp)
-			bcryptHash(tmp, shapass, h.Sum(shasalt))
-			for j := 0; j < len(out); j++ {
-				out[j] ^= tmp[j]
-			}
-		}
-
-		for i, v := range out {
-			key[i*numBlocks+(block-1)] = v
-		}
-	}
-	return key[:keyLen], nil
-}
-
-var magic = []byte("OxychromaticBlowfishSwatDynamite")
-
-func bcryptHash(out, shapass, shasalt []byte) {
-	c, err := blowfish.NewSaltedCipher(shapass, shasalt)
-	if err != nil {
-		panic(err)
-	}
-	for i := 0; i < 64; i++ {
-		blowfish.ExpandKey(shasalt, c)
-		blowfish.ExpandKey(shapass, c)
-	}
-	copy(out, magic)
-	for i := 0; i < 32; i += 8 {
-		for j := 0; j < 64; j++ {
-			c.Encrypt(out[i:i+8], out[i:i+8])
-		}
-	}
-	// Swap bytes due to different endianness.
-	for i := 0; i < 32; i += 4 {
-		out[i+3], out[i+2], out[i+1], out[i] = out[i], out[i+1], out[i+2], out[i+3]
-	}
-}