Data commit

Task/CRC-32/Go/crc-32-1.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+    "fmt"
+    "hash/crc32"
+)
+
+func main() {
+    s := []byte("The quick brown fox jumps over the lazy dog")
+    result := crc32.ChecksumIEEE(s)
+    fmt.Printf("%X\n", result)
+}

Task/CRC-32/Go/crc-32-2.go

@@ -0,0 +1,31 @@
+package main
+
+import "fmt"
+
+var table [256]uint32
+
+func init() {
+    for i := range table {
+        word := uint32(i)
+        for j := 0; j < 8; j++ {
+            if word&1 == 1 {
+                word = (word >> 1) ^ 0xedb88320
+            } else {
+                word >>= 1
+            }
+        }
+        table[i] = word
+    }
+}
+
+func crc32(s string) uint32 {
+    crc := ^uint32(0)
+    for i := 0; i < len(s); i++ {
+        crc = table[byte(crc)^s[i]] ^ (crc >> 8)
+    }
+    return ^crc
+}
+
+func main() {
+    fmt.Printf("%0x\n", crc32("The quick brown fox jumps over the lazy dog"))
+}