55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package networkdata
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import (
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"crypto/des"
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"errors"
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"testing"
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)
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// UDM K4加密
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func encrypt(origData, key []byte) ([]byte, error) {
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if len(origData) < 1 || len(key) < 1 {
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return nil, errors.New("wrong data or key")
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}
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block, err := des.NewCipher(key)
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if err != nil {
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return nil, err
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}
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bs := block.BlockSize()
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if len(origData)%bs != 0 {
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return nil, errors.New("wrong padding")
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}
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out := make([]byte, len(origData))
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dst := out
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for len(origData) > 0 {
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block.Encrypt(dst, origData[:bs])
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origData = origData[bs:]
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dst = dst[bs:]
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}
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return out, nil
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}
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func TestEncrypt(t *testing.T) {
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// key := []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}
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// 0123456789abcdef
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// ki := []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}
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// 0123456789abcdef0123456789abcdef
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// k4 password
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key := []byte{0x12, 0x34, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34}
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// 1234123412341234
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// k4 crypt ki
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ki := []byte{0x80, 0x5D, 0xAD, 0xC6, 0xE8, 0xA5, 0x4A, 0x0D, 0x59, 0xD6, 0x22, 0xC7, 0xA0, 0x4D, 0x08, 0xE0}
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// 805DADC6E8A54A0D59D622C7A04D08E0
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kis, err := encrypt(ki, key)
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// 加密后的，放导入导入文件里ki
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t.Errorf("kis: %x\n", kis)
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// 3e479135bb16f45dc874a18831b54d71
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t.Errorf("err: %v\n", err)
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}
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