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aes-armv4.pl: make it more foolproof [inspired by aes-s390x.pl in 1.0.1].

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This commit is contained in:
Andy Polyakov 2012-04-05 08:30:22 +00:00
parent bc9583efa2
commit 45cd45bbbc
1 changed files with 3 additions and 2 deletions
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5
crypto/aes/asm/aes-armv4.pl
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@ -408,6 +408,7 @@ _armv4_AES_encrypt:
.type AES_set_encrypt_key,%function .type AES_set_encrypt_key,%function
.align 5 .align 5
AES_set_encrypt_key: AES_set_encrypt_key:
_armv4_AES_set_encrypt_key:
sub r3,pc,#8 @ AES_set_encrypt_key sub r3,pc,#8 @ AES_set_encrypt_key
teq r0,#0 teq r0,#0
moveq r0,#-1 moveq r0,#-1
@ -425,7 +426,7 @@ AES_set_encrypt_key:
bne .Labrt bne .Labrt
.Lok: stmdb sp!,{r4-r12,lr} .Lok: stmdb sp!,{r4-r12,lr}
sub $tbl,r3,#AES_set_encrypt_key-AES_Te-1024 @ Te4 sub $tbl,r3,#_armv4_AES_set_encrypt_key-AES_Te-1024 @ Te4
mov $rounds,r0 @ inp mov $rounds,r0 @ inp
mov lr,r1 @ bits mov lr,r1 @ bits
@ -685,7 +686,7 @@ AES_set_encrypt_key:
.align 5 .align 5
AES_set_decrypt_key: AES_set_decrypt_key:
str lr,[sp,#-4]! @ push lr str lr,[sp,#-4]! @ push lr
bl AES_set_encrypt_key bl _armv4_AES_set_encrypt_key
teq r0,#0 teq r0,#0
ldrne lr,[sp],#4 @ pop lr ldrne lr,[sp],#4 @ pop lr
bne .Labrt bne .Labrt