You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
809 B
48 lines
809 B
2 years ago
|
package encode
|
||
|
|
||
|
func XEncode(str string, key string) string {
|
||
|
|
||
|
}
|
||
|
|
||
|
func s(origin string, b bool) (result []rune) {
|
||
|
data := []rune(origin)
|
||
|
dataLen := len(origin)
|
||
|
|
||
|
resultLen := (dataLen / 4) + 1
|
||
|
if b {
|
||
|
result = make([]rune, resultLen+1)
|
||
|
result[resultLen] = rune(resultLen)
|
||
|
} else {
|
||
|
result = make([]rune, resultLen)
|
||
|
}
|
||
|
|
||
|
for i := 0; i < dataLen; i += 4 {
|
||
|
result[i>>2] = get(data, i, dataLen) | get(data, i+1, dataLen)<<8 | get(data, i+2, dataLen)<<16 | get(data, i+3, dataLen)<<24
|
||
|
}
|
||
|
|
||
|
return result
|
||
|
}
|
||
|
|
||
|
func l(a string, b bool) (result []rune) {
|
||
|
d := len(a)
|
||
|
data := []rune(a)
|
||
|
|
||
|
c := d - 1<<2
|
||
|
|
||
|
if b {
|
||
|
m := int(data[d-1])
|
||
|
if m < c-3 || m > c {
|
||
|
return nil
|
||
|
}
|
||
|
c = m
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func get(str []rune, index int, length int) rune {
|
||
|
if index >= length {
|
||
|
return 0
|
||
|
} else {
|
||
|
return str[index]
|
||
|
}
|
||
|
}
|