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20 lines
455 B
Go
20 lines
455 B
Go
package utils
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import "crypto/aes"
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func PKCS7UnPadding(encrypt []byte) []byte {
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length := len(encrypt)
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unPadding := int(encrypt[length-1])
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return encrypt[:(length - unPadding)]
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}
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func DecryptAES128ECB(data, key []byte) []byte {
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cipher, _ := aes.NewCipher(key)
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decrypted := make([]byte, len(data))
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size := 16
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for bs, be := 0, size; bs < len(data); bs, be = bs+size, be+size {
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cipher.Decrypt(decrypted[bs:be], data[bs:be])
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}
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return decrypted
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}
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