wrapping up for a public release

1 files changed, 33 insertions, 0 deletions

diff --git a/tools/pwdhash.go b/tools/pwdhash.go
new file mode 100644
index 0000000..e66f72f
--- /dev/null
+++ b/tools/pwdhash.go
@@ -0,0 +1,33 @@
+package main
+
+import (
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"os"
+)
+
+func main() {
+	if len(os.Args) <= 1 {
+		fmt.Printf("usage: pwdhash PASSWORD\n")
+		return
+	}
+
+	fmt.Printf("password = \"%v\"\n", os.Args[1])
+
+	var salt [32]byte
+	if n, err := rand.Read(salt[:]); err != nil || n != 32 {
+		fmt.Printf("Failed to generate salt: %v\n", err)
+	}
+
+	secret := sha256.Sum256([]byte(os.Args[1]))
+	for i := 0; i < 32; i += 1 {
+		secret[i] ^= salt[i]
+	}
+
+	pwdhash := sha256.Sum256(secret[:])
+
+	fmt.Printf("pwdhash = %v\n", hex.EncodeToString(pwdhash[:]))
+	fmt.Printf("salt    = %v\n", hex.EncodeToString(salt[:]))
+}