summaryrefslogtreecommitdiffstats
path: root/vendor/golang.org/x/crypto/argon2/blake2b.go
diff options
context:
space:
mode:
authorChristopher Speller <crspeller@gmail.com>2018-04-16 05:37:14 -0700
committerJoram Wilander <jwawilander@gmail.com>2018-04-16 08:37:14 -0400
commit6e2cb00008cbf09e556b00f87603797fcaa47e09 (patch)
tree3c0eb55ff4226a3f024aad373140d1fb860a6404 /vendor/golang.org/x/crypto/argon2/blake2b.go
parentbf24f51c4e1cc6286885460672f7f449e8c6f5ef (diff)
downloadchat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.gz
chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.bz2
chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.zip
Depenancy upgrades and movign to dep. (#8630)
Diffstat (limited to 'vendor/golang.org/x/crypto/argon2/blake2b.go')
-rw-r--r--vendor/golang.org/x/crypto/argon2/blake2b.go53
1 files changed, 0 insertions, 53 deletions
diff --git a/vendor/golang.org/x/crypto/argon2/blake2b.go b/vendor/golang.org/x/crypto/argon2/blake2b.go
deleted file mode 100644
index 10f46948d..000000000
--- a/vendor/golang.org/x/crypto/argon2/blake2b.go
+++ /dev/null
@@ -1,53 +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 argon2
-
-import (
- "encoding/binary"
- "hash"
-
- "golang.org/x/crypto/blake2b"
-)
-
-// blake2bHash computes an arbitrary long hash value of in
-// and writes the hash to out.
-func blake2bHash(out []byte, in []byte) {
- var b2 hash.Hash
- if n := len(out); n < blake2b.Size {
- b2, _ = blake2b.New(n, nil)
- } else {
- b2, _ = blake2b.New512(nil)
- }
-
- var buffer [blake2b.Size]byte
- binary.LittleEndian.PutUint32(buffer[:4], uint32(len(out)))
- b2.Write(buffer[:4])
- b2.Write(in)
-
- if len(out) <= blake2b.Size {
- b2.Sum(out[:0])
- return
- }
-
- outLen := len(out)
- b2.Sum(buffer[:0])
- b2.Reset()
- copy(out, buffer[:32])
- out = out[32:]
- for len(out) > blake2b.Size {
- b2.Write(buffer[:])
- b2.Sum(buffer[:0])
- copy(out, buffer[:32])
- out = out[32:]
- b2.Reset()
- }
-
- if outLen%blake2b.Size > 0 { // outLen > 64
- r := ((outLen + 31) / 32) - 2 // ⌈τ /32⌉-2
- b2, _ = blake2b.New(outLen-32*r, nil)
- }
- b2.Write(buffer[:])
- b2.Sum(out[:0])
-}