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Updated 无进位乘法和GHASH (markdown)

Sun Yimin 2023-08-21 14:48:47 +08:00
parent 12d43bee8a
commit 28eed63f34
1 changed files with 5 additions and 5 deletions
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无进位乘法和GHASH.md

@ -40,15 +40,15 @@ $[A_1 : A_0] \cdot [B_1 : B_0] = [C_1:C_0 \oplus C_1 \oplus D_1 \oplus E_1 : D_1
* $[D_1:D_0] = [B_0 \oplus C_1 : B_1 \oplus C_0]$
* Output: $[D_1 \oplus X_3 : D_0 \oplus X_2]$
```asm
; Input is in T1:T7
vmodqa T3, [W]
vpclmulqda T2, T3, T7, 0x01
vpshufd T4, T7, 78
; Input is in T1:T0
vmodqa T3, [W] ; poly
vpclmulqda T2, T3, T0, 0x01
vpshufd T4, T0, 78
vpxor T4, T4, T2
vpclmulqda T2, T3, T4, 0x01
vpshufd T4, T4, 78
vpxor T4, T4, T2
vpxor T1, T4 ; result in T1
vpxor T1, T1, T4 ; result in T1
```
# 参考