From: Sergey Matveev <stargrave@stargrave.org>
Date: Fri, 18 Jan 2019 22:28:02 +0000 (+0300)
Subject: Simple command-line utility for hashing
X-Git-Tag: v1.0.0~2
X-Git-Url: http://www.git.cypherpunks.ru/?p=balloon.git;a=commitdiff_plain;h=03649070f780ed40a3a6303b1c5a0cc5f7bdd8c5

Simple command-line utility for hashing
---

diff --git a/cmd/balloon/main.go b/cmd/balloon/main.go
new file mode 100644
index 0000000..8283a53
--- /dev/null
+++ b/cmd/balloon/main.go
@@ -0,0 +1,27 @@
+package main
+
+import (
+	"crypto/sha512"
+	"encoding/hex"
+	"flag"
+	"fmt"
+
+	"cypherpunks.ru/balloon"
+)
+
+var (
+	s       = flag.Int("s", 1<<18, "Space cost, number of hash-sized blocks")
+	t       = flag.Int("t", 2, "Time cost, rounds")
+	p       = flag.Int("p", 4, "Number of threads")
+	saltHex = flag.String("salt", "deadbabe", "Salt, hexadecimal")
+	passwd  = flag.String("passwd", "", "Password")
+)
+
+func main() {
+	flag.Parse()
+	salt, err := hex.DecodeString(*saltHex)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(hex.EncodeToString(balloon.H(sha512.New, []byte(*passwd), salt, *s, *t, *p)))
+}