mirror of
https://github.com/emmansun/gmsm.git
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46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
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// Copyright 2024 Sun Yimin. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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//go:build (ppc64 || ppc64le) && !purego
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package sm4
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import (
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"encoding/binary"
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"fmt"
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"runtime"
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"testing"
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)
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func TestCmul(t *testing.T) {
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key := make([]byte, 16)
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c1 := &sm4CipherAsm{sm4Cipher{}, 4, 4 * BlockSize}
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expandKeyAsm(&key[0], &ck[0], &c1.enc[0], &c1.dec[0], INST_AES)
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hle := make([]byte, gcmBlockSize)
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c1.Encrypt(hle, hle)
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if fmt.Sprintf("%x", hle) != "9f1f7bff6f5511384d9430531e538fd3" {
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t.Errorf("1 got %x", hle)
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}
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var h1, h2 uint64
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// Reverse the bytes in each 8 byte chunk
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// Load little endian, store big endian
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if runtime.GOARCH == "ppc64le" {
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h1 = binary.LittleEndian.Uint64(hle[:8])
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h2 = binary.LittleEndian.Uint64(hle[8:])
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} else {
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h1 = binary.BigEndian.Uint64(hle[:8])
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h2 = binary.BigEndian.Uint64(hle[8:])
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}
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binary.BigEndian.PutUint64(hle[:8], h1)
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binary.BigEndian.PutUint64(hle[8:], h2)
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if fmt.Sprintf("%x", hle) != "3811556fff7b1f9fd38f531e0530944d" {
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t.Errorf("2 got %x", hle)
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}
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aead, _ := c1.NewGCM(12, 16)
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for i := 0; i < 256; i += 16 {
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fmt.Printf("%x\n", aead.(*gcmAsm).productTable[i:i+16])
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}
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}
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