shafinder.go

package main

import (
    "bytes"
    "crypto/sha256"
    "encoding/hex"
    "fmt"
)

var (
    _chars = [] byte("0123456789abcdef") _names = [] string {
        "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "a", "b", "c", "d", "e", "f"
    }
    _size = len(_chars)
)

func main() {
    hexsum: = make([] byte, 64)
    for i1: = 0;i1 < _size;i1++{
        for i2: = 0;
        i2 < _size;
        i2++{
            for i3: = 0;
            i3 < _size;
            i3++{
                for i4: = 0;
                i4 < _size;
                i4++{
                    for i5: = 0;
                    i5 < _size;
                    i5++{
                        for i6: = 0;
                        i6 < _size;
                        i6++{
                            for i7: = 0;
                            i7 < _size;
                            i7++{
                                s: = fmt.Sprintf("The SHA256 for this sentence begins with: %s, %s, %s, %s, %s, %s and %s.", _names[i1], _names[i2], _names[i3], _names[i4], _names[i5], _names[i6], _names[i7])
                                sum: = sha256.Sum256([] byte(s))
                                hex.Encode(hexsum, sum[: ])
                                prefix: = [] byte {
                                    _chars[i1], _chars[i2], _chars[i3], _chars[i4], _chars[i5], _chars[i6], _chars[i7]
                                }
                                if bytes.HasPrefix(hexsum, prefix) {
                                    fmt.Printf("%s\n", s)
                                    fmt.Printf("%s\n", hexsum)
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}