1 files changed, 0 insertions, 178 deletions
diff --git a/vendor/golang.org/x/crypto/blake2s/blake2x.go b/vendor/golang.org/x/crypto/blake2s/blake2x.go
deleted file mode 100644
index eaff2a7..0000000
--- a/vendor/golang.org/x/crypto/blake2s/blake2x.go
+++ /dev/null
@@ -1,178 +0,0 @@
-// Copyright 2017 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 blake2s
-
-import (
-	"encoding/binary"
-	"errors"
-	"io"
-)
-
-// XOF defines the interface to hash functions that
-// support arbitrary-length output.
-type XOF interface {
-	// Write absorbs more data into the hash's state. It panics if called
-	// after Read.
-	io.Writer
-
-	// Read reads more output from the hash. It returns io.EOF if the limit
-	// has been reached.
-	io.Reader
-
-	// Clone returns a copy of the XOF in its current state.
-	Clone() XOF
-
-	// Reset resets the XOF to its initial state.
-	Reset()
-}
-
-// OutputLengthUnknown can be used as the size argument to NewXOF to indicate
-// the the length of the output is not known in advance.
-const OutputLengthUnknown = 0
-
-// magicUnknownOutputLength is a magic value for the output size that indicates
-// an unknown number of output bytes.
-const magicUnknownOutputLength = 65535
-
-// maxOutputLength is the absolute maximum number of bytes to produce when the
-// number of output bytes is unknown.
-const maxOutputLength = (1 << 32) * 32
-
-// NewXOF creates a new variable-output-length hash. The hash either produce a
-// known number of bytes (1 <= size < 65535), or an unknown number of bytes
-// (size == OutputLengthUnknown). In the latter case, an absolute limit of
-// 128GiB applies.
-//
-// A non-nil key turns the hash into a MAC. The key must between
-// zero and 32 bytes long.
-func NewXOF(size uint16, key []byte) (XOF, error) {
-	if len(key) > Size {
-		return nil, errKeySize
-	}
-	if size == magicUnknownOutputLength {
-		// 2^16-1 indicates an unknown number of bytes and thus isn't a
-		// valid length.
-		return nil, errors.New("blake2s: XOF length too large")
-	}
-	if size == OutputLengthUnknown {
-		size = magicUnknownOutputLength
-	}
-	x := &xof{
-		d: digest{
-			size:   Size,
-			keyLen: len(key),
-		},
-		length: size,
-	}
-	copy(x.d.key[:], key)
-	x.Reset()
-	return x, nil
-}
-
-type xof struct {
-	d                digest
-	length           uint16
-	remaining        uint64
-	cfg, root, block [Size]byte
-	offset           int
-	nodeOffset       uint32
-	readMode         bool
-}
-
-func (x *xof) Write(p []byte) (n int, err error) {
-	if x.readMode {
-		panic("blake2s: write to XOF after read")
-	}
-	return x.d.Write(p)
-}
-
-func (x *xof) Clone() XOF {
-	clone := *x
-	return &clone
-}
-
-func (x *xof) Reset() {
-	x.cfg[0] = byte(Size)
-	binary.LittleEndian.PutUint32(x.cfg[4:], uint32(Size)) // leaf length
-	binary.LittleEndian.PutUint16(x.cfg[12:], x.length)    // XOF length
-	x.cfg[15] = byte(Size)                                 // inner hash size
-
-	x.d.Reset()
-	x.d.h[3] ^= uint32(x.length)
-
-	x.remaining = uint64(x.length)
-	if x.remaining == magicUnknownOutputLength {
-		x.remaining = maxOutputLength
-	}
-	x.offset, x.nodeOffset = 0, 0
-	x.readMode = false
-}
-
-func (x *xof) Read(p []byte) (n int, err error) {
-	if !x.readMode {
-		x.d.finalize(&x.root)
-		x.readMode = true
-	}
-
-	if x.remaining == 0 {
-		return 0, io.EOF
-	}
-
-	n = len(p)
-	if uint64(n) > x.remaining {
-		n = int(x.remaining)
-		p = p[:n]
-	}
-
-	if x.offset > 0 {
-		blockRemaining := Size - x.offset
-		if n < blockRemaining {
-			x.offset += copy(p, x.block[x.offset:])
-			x.remaining -= uint64(n)
-			return
-		}
-		copy(p, x.block[x.offset:])
-		p = p[blockRemaining:]
-		x.offset = 0
-		x.remaining -= uint64(blockRemaining)
-	}
-
-	for len(p) >= Size {
-		binary.LittleEndian.PutUint32(x.cfg[8:], x.nodeOffset)
-		x.nodeOffset++
-
-		x.d.initConfig(&x.cfg)
-		x.d.Write(x.root[:])
-		x.d.finalize(&x.block)
-
-		copy(p, x.block[:])
-		p = p[Size:]
-		x.remaining -= uint64(Size)
-	}
-
-	if todo := len(p); todo > 0 {
-		if x.remaining < uint64(Size) {
-			x.cfg[0] = byte(x.remaining)
-		}
-		binary.LittleEndian.PutUint32(x.cfg[8:], x.nodeOffset)
-		x.nodeOffset++
-
-		x.d.initConfig(&x.cfg)
-		x.d.Write(x.root[:])
-		x.d.finalize(&x.block)
-
-		x.offset = copy(p, x.block[:todo])
-		x.remaining -= uint64(todo)
-	}
-
-	return
-}
-
-func (d *digest) initConfig(cfg *[Size]byte) {
-	d.offset, d.c[0], d.c[1] = 0, 0, 0
-	for i := range d.h {
-		d.h[i] = iv[i] ^ binary.LittleEndian.Uint32(cfg[i*4:])
-	}
-}