Commit 5e21039a authored by Niels Möller's avatar Niels Möller

* x86/aes-encrypt.asm (aes_encrypt): Use the AES_LAST_ROUND macro

for the first column of the final round.
(aes_encrypt): Similarly for the second column.
(aes_encrypt): Similarly for the third and fourth column.

Rev: src/nettle/ChangeLog:1.88
Rev: src/nettle/x86/aes-encrypt.asm:1.5
parent e50baece
......@@ -2,6 +2,8 @@
* x86/aes-encrypt.asm (aes_encrypt): Use the AES_LAST_ROUND macro
for the first column of the final round.
(aes_encrypt): Similarly for the second column.
(aes_encrypt): Similarly for the third and fourth column.
* x86/machine.m4 (AES_LAST_ROUND): New macro.
......
......@@ -190,35 +190,14 @@ C .Laes_got_t:
AES_LAST_ROUND(d,a,b,c)
pushl %edi
C c d a b
C // third column
movl %eax,%edi
andl $0x00ff0000,%edi
movl %ebx,%ebp
andl $0xff000000,%ebp
orl %ebp,%edi
movl %ecx,%ebp
andl $0x000000ff,%ebp
orl %ebp,%edi
movl %edx,%ebp
andl $0x0000ff00,%ebp
orl %ebp,%edi
C third column
AES_LAST_ROUND(c,d,a,b)
pushl %edi
C // fourth column
C b c d a
movl %eax,%edi
andl $0xff000000,%edi
movl %ebx,%ebp
andl $0x000000ff,%ebp
orl %ebp,%edi
movl %ecx,%ebp
andl $0x0000ff00,%ebp
orl %ebp,%edi
movl %edx,%ebp
andl $0x00ff0000,%ebp
orl %ebp,%edi
C fourth column
AES_LAST_ROUND(b,c,d,a)
movl %edi,%edx
popl %ecx
popl %ebx
popl %eax
......
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