encode from go, decode in python by using aes cfb

decode.py

SEGMENT_SIZE=128
BLOCK_SIZE = 16

cipher = AES.new(KEY, AES.MODE_CFB, IV, segment_size=SEGMENT_SIZE)
dc = dynamic_token.decode("hex")
pt = cipher.decrypt(dc)
print pt

encode_aes.go

func padString(data []byte) []byte {
	padNum := len(data) % 16
	if padNum != 0 {
		for i := 0; i < 16-padNum; i++ {
			data = append(data, ',')
		}
	}
	return data
}

func encodeCipherText(text string) string {
	paddedText := padString([]byte(text))
	c, err := aes.NewCipher([]byte(SECRET_KEY))
	if err != nil {
		fmt.Println(418)
	}
	cfb := cipher.NewCFBEncrypter(c, IV)
	ciphertext := make([]byte, len(paddedText))
	cfb.XORKeyStream(ciphertext, paddedText)
	fmt.Println(ciphertext)
	return hex.EncodeToString(ciphertext[:])
}

note.md

ref1 ref2

python system uses CFB8 (8 bit segments). Go does not support this out of the box.

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