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sm4: fix arm64 cbc 8 blocks decryption issue

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Sun Yimin 2023-08-03 16:40:31 +08:00 committed by GitHub
parent dba47d3c14
commit 71afa44b91
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 5 deletions
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8
cipher/benchmark_test.go
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@ -9,7 +9,7 @@ import (
"github.com/emmansun/gmsm/sm4" "github.com/emmansun/gmsm/sm4"
) )
func benchmarkEBCEncrypt1K(b *testing.B, block cipher.Block) { func benchmarkECBEncrypt1K(b *testing.B, block cipher.Block) {
buf := make([]byte, 1024) buf := make([]byte, 1024)
b.SetBytes(int64(len(buf))) b.SetBytes(int64(len(buf)))
@ -19,16 +19,16 @@ func benchmarkEBCEncrypt1K(b *testing.B, block cipher.Block) {
} }
} }
func BenchmarkSM4EBCEncrypt1K(b *testing.B) { func BenchmarkSM4ECBEncrypt1K(b *testing.B) {
var key [16]byte var key [16]byte
c, _ := sm4.NewCipher(key[:]) c, _ := sm4.NewCipher(key[:])
benchmarkEBCEncrypt1K(b, c) benchmarkECBEncrypt1K(b, c)
} }
func BenchmarkAES128EBCEncrypt1K(b *testing.B) { func BenchmarkAES128EBCEncrypt1K(b *testing.B) {
var key [16]byte var key [16]byte
c, _ := aes.NewCipher(key[:]) c, _ := aes.NewCipher(key[:])
benchmarkEBCEncrypt1K(b, c) benchmarkECBEncrypt1K(b, c)
} }
func benchmarkCBCEncrypt1K(b *testing.B, block cipher.Block) { func benchmarkCBCEncrypt1K(b *testing.B, block cipher.Block) {

3
sm4/cbc_cipher_asm_arm64.s
View File

@ -185,13 +185,14 @@ decrypt8BlocksLoop:
VEOR V7.B16, t1.B16, t1.B16 VEOR V7.B16, t1.B16, t1.B16
VEOR V8.B16, t2.B16, t2.B16 VEOR V8.B16, t2.B16, t2.B16
VEOR V9.B16, t3.B16, t3.B16 VEOR V9.B16, t3.B16, t3.B16
VST1.P [t0.S4, t1.S4, t2.S4, t3.S4], 64(R9)
VLD1.P 64(R11), [V6.S4, V7.S4, V8.S4, V9.S4] VLD1.P 64(R11), [V6.S4, V7.S4, V8.S4, V9.S4]
VEOR V6.B16, t4.B16, t4.B16 VEOR V6.B16, t4.B16, t4.B16
VEOR V7.B16, t5.B16, t5.B16 VEOR V7.B16, t5.B16, t5.B16
VEOR V8.B16, t6.B16, t6.B16 VEOR V8.B16, t6.B16, t6.B16
VEOR V9.B16, t7.B16, t7.B16 VEOR V9.B16, t7.B16, t7.B16
VST1.P [t0.S4, t1.S4, t2.S4, t3.S4], 64(R9)
VST1.P [t4.S4, t5.S4, t6.S4, t7.S4], 64(R9) VST1.P [t4.S4, t5.S4, t6.S4, t7.S4], 64(R9)
RET RET