Initial data commit

Task/OpenWebNet-password/Go/openwebnet-password.go

@@ -0,0 +1,78 @@
+package main
+
+import (
+    "fmt"
+    "strconv"
+)
+
+func ownCalcPass(password, nonce string) uint32 {
+    start := true
+    num1 := uint32(0)
+    num2 := num1
+    i, _ := strconv.Atoi(password)
+    pwd := uint32(i)
+    for _, c := range nonce {
+        if c != '0' {
+            if start {
+                num2 = pwd
+            }
+            start = false
+        }
+        switch c {
+        case '1':
+            num1 = (num2 & 0xFFFFFF80) >> 7
+            num2 = num2 << 25
+        case '2':
+            num1 = (num2 & 0xFFFFFFF0) >> 4
+            num2 = num2 << 28
+        case '3':
+            num1 = (num2 & 0xFFFFFFF8) >> 3
+            num2 = num2 << 29
+        case '4':
+            num1 = num2 << 1
+            num2 = num2 >> 31
+        case '5':
+            num1 = num2 << 5
+            num2 = num2 >> 27
+        case '6':
+            num1 = num2 << 12
+            num2 = num2 >> 20
+        case '7':
+            num3 := num2 & 0x0000FF00
+            num4 := ((num2 & 0x000000FF) << 24) | ((num2 & 0x00FF0000) >> 16)
+            num1 = num3 | num4
+            num2 = (num2 & 0xFF000000) >> 8
+        case '8':
+            num1 = (num2&0x0000FFFF)<<16 | (num2 >> 24)
+            num2 = (num2 & 0x00FF0000) >> 8
+        case '9':
+            num1 = ^num2
+        default:
+            num1 = num2
+        }
+
+        num1 &= 0xFFFFFFFF
+        num2 &= 0xFFFFFFFF
+        if c != '0' && c != '9' {
+            num1 |= num2
+        }
+        num2 = num1
+    }
+    return num1
+}
+
+func testPasswordCalc(password, nonce string, expected uint32) {
+    res := ownCalcPass(password, nonce)
+    m := fmt.Sprintf("%s  %s  %-10d  %-10d", password, nonce, res, expected)
+    if res == expected {
+        fmt.Println("PASS", m)
+    } else {
+        fmt.Println("FAIL", m)
+    }
+}
+
+func main() {
+    testPasswordCalc("12345", "603356072", 25280520)
+    testPasswordCalc("12345", "410501656", 119537670)
+    testPasswordCalc("12345", "630292165", 4269684735)
+}