1 files changed, 0 insertions, 56 deletions
diff --git a/src/internal/x/crypto/hkdf/example_test.go b/src/internal/x/crypto/hkdf/example_test.go
deleted file mode 100644
index 3b68a40810..0000000000
--- a/src/internal/x/crypto/hkdf/example_test.go
+++ /dev/null
@@ -1,56 +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 hkdf_test
-
-import (
-	"bytes"
-	"crypto/rand"
-	"crypto/sha256"
-	"fmt"
-	"io"
-
-	"internal/x/crypto/hkdf"
-)
-
-// Usage example that expands one master secret into three other
-// cryptographically secure keys.
-func Example_usage() {
-	// Underlying hash function for HMAC.
-	hash := sha256.New
-
-	// Cryptographically secure master secret.
-	secret := []byte{0x00, 0x01, 0x02, 0x03} // i.e. NOT this.
-
-	// Non-secret salt, optional (can be nil).
-	// Recommended: hash-length random value.
-	salt := make([]byte, hash().Size())
-	if _, err := rand.Read(salt); err != nil {
-		panic(err)
-	}
-
-	// Non-secret context info, optional (can be nil).
-	info := []byte("hkdf example")
-
-	// Generate three 128-bit derived keys.
-	hkdf := hkdf.New(hash, secret, salt, info)
-
-	var keys [][]byte
-	for i := 0; i < 3; i++ {
-		key := make([]byte, 16)
-		if _, err := io.ReadFull(hkdf, key); err != nil {
-			panic(err)
-		}
-		keys = append(keys, key)
-	}
-
-	for i := range keys {
-		fmt.Printf("Key #%d: %v\n", i+1, !bytes.Equal(keys[i], make([]byte, 16)))
-	}
-
-	// Output:
-	// Key #1: true
-	// Key #2: true
-	// Key #3: true
-}