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Merge pull request #17 from nexus166/patch-1

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call len on key just once
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Kyle Banks 2019-12-02 08:10:45 +00:00 committed by GitHub
commit 018dfe4920
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1 changed files with 2 additions and 2 deletions
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Go/xor.go
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@ -3,9 +3,9 @@ package xor
// EncryptDecrypt runs a XOR encryption on the input string, encrypting it if it hasn't already been, // EncryptDecrypt runs a XOR encryption on the input string, encrypting it if it hasn't already been,
// and decrypting it if it has, using the key provided. // and decrypting it if it has, using the key provided.
func EncryptDecrypt(input, key string) (output string) { func EncryptDecrypt(input, key string) (output string) {
kL := len(key)
for i := range input { for i := range input {
output += string(input[i] ^ key[i%len(key)]) output += string(input[i] ^ key[i%kL])
} }
return output return output
} }