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Finish lab

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This commit is contained in:
Florian Hoss 2022-06-08 16:26:04 +02:00
parent 88c32093a3
commit 6da3e784cd
9 changed files with 101 additions and 78 deletions
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10
Lab04/content/part1/encrypt/main.go
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@ -10,11 +10,7 @@ import (
"unicode"
)
const lettersInTheAlphabet = 26
const startUpperCase = 65
const endUpperCase = startUpperCase + lettersInTheAlphabet
const startLowerCase = 97
const endLowerCase = startLowerCase + lettersInTheAlphabet
const lettersInTheAlphabet = 'Z' - 'A' + 1
type keyLetter struct {
upperCase string
@ -76,8 +72,8 @@ func encryptMessage(keyWord []keyLetter, message string) string {
} else {
keyWordIndex := index % len(keyWord)
newLetter := letter + keyWord[keyWordIndex].position
if (unicode.IsLower(letter) && newLetter >= endLowerCase) ||
(unicode.IsUpper(letter) && newLetter >= endUpperCase) {
if (unicode.IsLower(letter) && newLetter > 'z') ||
(unicode.IsUpper(letter) && newLetter > 'Z') {
newLetter -= lettersInTheAlphabet
}
encrypted += string(newLetter)