1 files changed, 0 insertions, 87 deletions
diff --git a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.go b/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.go
deleted file mode 100644
index ec13d13..0000000
--- a/vendor/golang.org/x/crypto/chacha20poly1305/chacha20poly1305_amd64.go
+++ /dev/null
@@ -1,87 +0,0 @@
-// Copyright 2016 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.
-
-// +build go1.7,amd64,!gccgo,!appengine
-
-package chacha20poly1305
-
-import (
-	"encoding/binary"
-
-	"golang.org/x/crypto/internal/subtle"
-	"golang.org/x/sys/cpu"
-)
-
-//go:noescape
-func chacha20Poly1305Open(dst []byte, key []uint32, src, ad []byte) bool
-
-//go:noescape
-func chacha20Poly1305Seal(dst []byte, key []uint32, src, ad []byte)
-
-var (
-	useASM  = cpu.X86.HasSSSE3
-	useAVX2 = cpu.X86.HasAVX2 && cpu.X86.HasBMI2
-)
-
-// setupState writes a ChaCha20 input matrix to state. See
-// https://tools.ietf.org/html/rfc7539#section-2.3.
-func setupState(state *[16]uint32, key *[8]uint32, nonce []byte) {
-	state[0] = 0x61707865
-	state[1] = 0x3320646e
-	state[2] = 0x79622d32
-	state[3] = 0x6b206574
-
-	state[4] = key[0]
-	state[5] = key[1]
-	state[6] = key[2]
-	state[7] = key[3]
-	state[8] = key[4]
-	state[9] = key[5]
-	state[10] = key[6]
-	state[11] = key[7]
-
-	state[12] = 0
-	state[13] = binary.LittleEndian.Uint32(nonce[:4])
-	state[14] = binary.LittleEndian.Uint32(nonce[4:8])
-	state[15] = binary.LittleEndian.Uint32(nonce[8:12])
-}
-
-func (c *chacha20poly1305) seal(dst, nonce, plaintext, additionalData []byte) []byte {
-	if !useASM {
-		return c.sealGeneric(dst, nonce, plaintext, additionalData)
-	}
-
-	var state [16]uint32
-	setupState(&state, &c.key, nonce)
-
-	ret, out := sliceForAppend(dst, len(plaintext)+16)
-	if subtle.InexactOverlap(out, plaintext) {
-		panic("chacha20poly1305: invalid buffer overlap")
-	}
-	chacha20Poly1305Seal(out[:], state[:], plaintext, additionalData)
-	return ret
-}
-
-func (c *chacha20poly1305) open(dst, nonce, ciphertext, additionalData []byte) ([]byte, error) {
-	if !useASM {
-		return c.openGeneric(dst, nonce, ciphertext, additionalData)
-	}
-
-	var state [16]uint32
-	setupState(&state, &c.key, nonce)
-
-	ciphertext = ciphertext[:len(ciphertext)-16]
-	ret, out := sliceForAppend(dst, len(ciphertext))
-	if subtle.InexactOverlap(out, ciphertext) {
-		panic("chacha20poly1305: invalid buffer overlap")
-	}
-	if !chacha20Poly1305Open(out, state[:], ciphertext, additionalData) {
-		for i := range out {
-			out[i] = 0
-		}
-		return nil, errOpen
-	}
-
-	return ret, nil
-}