go.cypherpunks.ru namespace usage

[gogost.git] / cmd / streebog512 / main.go

diff --git a/cmd/streebog512/main.go b/cmd/streebog512/main.go
new file mode 100644 (file)
index 0000000..41d0c6a
--- /dev/null
+++ b/cmd/streebog512/main.go
@@ -0,0 +1,43 @@
+// GoGOST -- Pure Go GOST cryptographic functions library
+// Copyright (C) 2015-2019 Sergey Matveev <stargrave@stargrave.org>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 3 of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+// Command-line 34.11-2012 512-bit hash function.
+package main
+
+import (
+       "encoding/hex"
+       "flag"
+       "fmt"
+       "io"
+       "os"
+
+       "go.cypherpunks.ru/gogost/v4"
+       "go.cypherpunks.ru/gogost/v4/gost34112012512"
+)
+
+var (
+       version = flag.Bool("version", false, "Print version information")
+)
+
+func main() {
+       flag.Parse()
+       if *version {
+               fmt.Println(gogost.Version)
+               return
+       }
+       h := gost34112012512.New()
+       io.Copy(h, os.Stdin)
+       fmt.Println(hex.EncodeToString(h.Sum(nil)))
+}