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authorBrian Carlstrom <bdc@google.com>2010-11-16 11:19:35 -0800
committerBrian Carlstrom <bdc@google.com>2010-11-16 11:21:11 -0800
commit43c12e3d4f9bbbbd4a8ba7b149686437514bc6b6 (patch)
tree520464b8c2f2e19d00e6ea143c6e1e9523b3367a /crypto/aes
parent8be882eb81101ceede7641e88ccbdaded610ff5f (diff)
downloadreplicant_openssl-43c12e3d4f9bbbbd4a8ba7b149686437514bc6b6.zip
replicant_openssl-43c12e3d4f9bbbbd4a8ba7b149686437514bc6b6.tar.gz
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Upgrade to openssl-1.0.0b
Bug: 3201137 Change-Id: I20cd6bed7717e5982abc3734e9a6522067f2908e
Diffstat (limited to 'crypto/aes')
-rw-r--r--crypto/aes/aes_wrap.c12
-rw-r--r--crypto/aes/asm/aes-armv4.pl397
-rw-r--r--crypto/aes/asm/aes-armv4.s386
3 files changed, 392 insertions, 403 deletions
diff --git a/crypto/aes/aes_wrap.c b/crypto/aes/aes_wrap.c
index 9feacd6..e2d73d3 100644
--- a/crypto/aes/aes_wrap.c
+++ b/crypto/aes/aes_wrap.c
@@ -85,9 +85,9 @@ int AES_wrap_key(AES_KEY *key, const unsigned char *iv,
A[7] ^= (unsigned char)(t & 0xff);
if (t > 0xff)
{
- A[6] ^= (unsigned char)((t & 0xff) >> 8);
- A[5] ^= (unsigned char)((t & 0xff) >> 16);
- A[4] ^= (unsigned char)((t & 0xff) >> 24);
+ A[6] ^= (unsigned char)((t >> 8) & 0xff);
+ A[5] ^= (unsigned char)((t >> 16) & 0xff);
+ A[4] ^= (unsigned char)((t >> 24) & 0xff);
}
memcpy(R, B + 8, 8);
}
@@ -119,9 +119,9 @@ int AES_unwrap_key(AES_KEY *key, const unsigned char *iv,
A[7] ^= (unsigned char)(t & 0xff);
if (t > 0xff)
{
- A[6] ^= (unsigned char)((t & 0xff) >> 8);
- A[5] ^= (unsigned char)((t & 0xff) >> 16);
- A[4] ^= (unsigned char)((t & 0xff) >> 24);
+ A[6] ^= (unsigned char)((t >> 8) & 0xff);
+ A[5] ^= (unsigned char)((t >> 16) & 0xff);
+ A[4] ^= (unsigned char)((t >> 24) & 0xff);
}
memcpy(B + 8, R, 8);
AES_decrypt(B, B, key);
diff --git a/crypto/aes/asm/aes-armv4.pl b/crypto/aes/asm/aes-armv4.pl
index 6902441..c51ee1f 100644
--- a/crypto/aes/asm/aes-armv4.pl
+++ b/crypto/aes/asm/aes-armv4.pl
@@ -16,12 +16,20 @@
# allows to merge logical or arithmetic operation with shift or rotate
# in one instruction and emit combined result every cycle. The module
# is endian-neutral. The performance is ~42 cycles/byte for 128-bit
-# key.
+# key [on single-issue Xscale PXA250 core].
# May 2007.
#
# AES_set_[en|de]crypt_key is added.
+# July 2010.
+#
+# Rescheduling for dual-issue pipeline resulted in 12% improvement on
+# Cortex A8 core and ~25 cycles per byte processed with 128-bit key.
+
+while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {}
+open STDOUT,">$output";
+
$s0="r0";
$s1="r1";
$s2="r2";
@@ -164,24 +172,24 @@ AES_encrypt:
ldrb $t2,[$rounds,#1]
ldrb $t3,[$rounds,#0]
orr $s0,$s0,$t1,lsl#8
- orr $s0,$s0,$t2,lsl#16
- orr $s0,$s0,$t3,lsl#24
ldrb $s1,[$rounds,#7]
+ orr $s0,$s0,$t2,lsl#16
ldrb $t1,[$rounds,#6]
+ orr $s0,$s0,$t3,lsl#24
ldrb $t2,[$rounds,#5]
ldrb $t3,[$rounds,#4]
orr $s1,$s1,$t1,lsl#8
- orr $s1,$s1,$t2,lsl#16
- orr $s1,$s1,$t3,lsl#24
ldrb $s2,[$rounds,#11]
+ orr $s1,$s1,$t2,lsl#16
ldrb $t1,[$rounds,#10]
+ orr $s1,$s1,$t3,lsl#24
ldrb $t2,[$rounds,#9]
ldrb $t3,[$rounds,#8]
orr $s2,$s2,$t1,lsl#8
- orr $s2,$s2,$t2,lsl#16
- orr $s2,$s2,$t3,lsl#24
ldrb $s3,[$rounds,#15]
+ orr $s2,$s2,$t2,lsl#16
ldrb $t1,[$rounds,#14]
+ orr $s2,$s2,$t3,lsl#24
ldrb $t2,[$rounds,#13]
ldrb $t3,[$rounds,#12]
orr $s3,$s3,$t1,lsl#8
@@ -196,24 +204,24 @@ AES_encrypt:
mov $t3,$s0,lsr#8
strb $t1,[$rounds,#0]
strb $t2,[$rounds,#1]
- strb $t3,[$rounds,#2]
- strb $s0,[$rounds,#3]
mov $t1,$s1,lsr#24
+ strb $t3,[$rounds,#2]
mov $t2,$s1,lsr#16
+ strb $s0,[$rounds,#3]
mov $t3,$s1,lsr#8
strb $t1,[$rounds,#4]
strb $t2,[$rounds,#5]
- strb $t3,[$rounds,#6]
- strb $s1,[$rounds,#7]
mov $t1,$s2,lsr#24
+ strb $t3,[$rounds,#6]
mov $t2,$s2,lsr#16
+ strb $s1,[$rounds,#7]
mov $t3,$s2,lsr#8
strb $t1,[$rounds,#8]
strb $t2,[$rounds,#9]
- strb $t3,[$rounds,#10]
- strb $s2,[$rounds,#11]
mov $t1,$s3,lsr#24
+ strb $t3,[$rounds,#10]
mov $t2,$s3,lsr#16
+ strb $s2,[$rounds,#11]
mov $t3,$s3,lsr#8
strb $t1,[$rounds,#12]
strb $t2,[$rounds,#13]
@@ -230,141 +238,137 @@ AES_encrypt:
.align 2
_armv4_AES_encrypt:
str lr,[sp,#-4]! @ push lr
- ldr $t1,[$key],#16
- ldr $t2,[$key,#-12]
- ldr $t3,[$key,#-8]
- ldr $i1,[$key,#-4]
- ldr $rounds,[$key,#240-16]
+ ldmia $key!,{$t1-$i1}
eor $s0,$s0,$t1
+ ldr $rounds,[$key,#240-16]
eor $s1,$s1,$t2
eor $s2,$s2,$t3
eor $s3,$s3,$i1
sub $rounds,$rounds,#1
mov lr,#255
-.Lenc_loop:
+ and $i1,lr,$s0
and $i2,lr,$s0,lsr#8
and $i3,lr,$s0,lsr#16
- and $i1,lr,$s0
mov $s0,$s0,lsr#24
+.Lenc_loop:
ldr $t1,[$tbl,$i1,lsl#2] @ Te3[s0>>0]
- ldr $s0,[$tbl,$s0,lsl#2] @ Te0[s0>>24]
- ldr $t2,[$tbl,$i2,lsl#2] @ Te2[s0>>8]
- ldr $t3,[$tbl,$i3,lsl#2] @ Te1[s0>>16]
-
and $i1,lr,$s1,lsr#16 @ i0
+ ldr $t2,[$tbl,$i2,lsl#2] @ Te2[s0>>8]
and $i2,lr,$s1
+ ldr $t3,[$tbl,$i3,lsl#2] @ Te1[s0>>16]
and $i3,lr,$s1,lsr#8
+ ldr $s0,[$tbl,$s0,lsl#2] @ Te0[s0>>24]
mov $s1,$s1,lsr#24
+
ldr $i1,[$tbl,$i1,lsl#2] @ Te1[s1>>16]
- ldr $s1,[$tbl,$s1,lsl#2] @ Te0[s1>>24]
ldr $i2,[$tbl,$i2,lsl#2] @ Te3[s1>>0]
ldr $i3,[$tbl,$i3,lsl#2] @ Te2[s1>>8]
eor $s0,$s0,$i1,ror#8
- eor $s1,$s1,$t1,ror#24
- eor $t2,$t2,$i2,ror#8
- eor $t3,$t3,$i3,ror#8
-
+ ldr $s1,[$tbl,$s1,lsl#2] @ Te0[s1>>24]
and $i1,lr,$s2,lsr#8 @ i0
+ eor $t2,$t2,$i2,ror#8
and $i2,lr,$s2,lsr#16 @ i1
+ eor $t3,$t3,$i3,ror#8
and $i3,lr,$s2
- mov $s2,$s2,lsr#24
+ eor $s1,$s1,$t1,ror#24
ldr $i1,[$tbl,$i1,lsl#2] @ Te2[s2>>8]
+ mov $s2,$s2,lsr#24
+
ldr $i2,[$tbl,$i2,lsl#2] @ Te1[s2>>16]
- ldr $s2,[$tbl,$s2,lsl#2] @ Te0[s2>>24]
ldr $i3,[$tbl,$i3,lsl#2] @ Te3[s2>>0]
eor $s0,$s0,$i1,ror#16
- eor $s1,$s1,$i2,ror#8
- eor $s2,$s2,$t2,ror#16
- eor $t3,$t3,$i3,ror#16
-
+ ldr $s2,[$tbl,$s2,lsl#2] @ Te0[s2>>24]
and $i1,lr,$s3 @ i0
+ eor $s1,$s1,$i2,ror#8
and $i2,lr,$s3,lsr#8 @ i1
+ eor $t3,$t3,$i3,ror#16
and $i3,lr,$s3,lsr#16 @ i2
- mov $s3,$s3,lsr#24
+ eor $s2,$s2,$t2,ror#16
ldr $i1,[$tbl,$i1,lsl#2] @ Te3[s3>>0]
+ mov $s3,$s3,lsr#24
+
ldr $i2,[$tbl,$i2,lsl#2] @ Te2[s3>>8]
ldr $i3,[$tbl,$i3,lsl#2] @ Te1[s3>>16]
- ldr $s3,[$tbl,$s3,lsl#2] @ Te0[s3>>24]
eor $s0,$s0,$i1,ror#24
+ ldr $s3,[$tbl,$s3,lsl#2] @ Te0[s3>>24]
eor $s1,$s1,$i2,ror#16
+ ldr $i1,[$key],#16
eor $s2,$s2,$i3,ror#8
+ ldr $t1,[$key,#-12]
eor $s3,$s3,$t3,ror#8
- ldr $t1,[$key],#16
- ldr $t2,[$key,#-12]
- ldr $t3,[$key,#-8]
- ldr $i1,[$key,#-4]
- eor $s0,$s0,$t1
- eor $s1,$s1,$t2
- eor $s2,$s2,$t3
- eor $s3,$s3,$i1
+ ldr $t2,[$key,#-8]
+ eor $s0,$s0,$i1
+ ldr $t3,[$key,#-4]
+ and $i1,lr,$s0
+ eor $s1,$s1,$t1
+ and $i2,lr,$s0,lsr#8
+ eor $s2,$s2,$t2
+ and $i3,lr,$s0,lsr#16
+ eor $s3,$s3,$t3
+ mov $s0,$s0,lsr#24
subs $rounds,$rounds,#1
bne .Lenc_loop
add $tbl,$tbl,#2
- and $i1,lr,$s0
- and $i2,lr,$s0,lsr#8
- and $i3,lr,$s0,lsr#16
- mov $s0,$s0,lsr#24
ldrb $t1,[$tbl,$i1,lsl#2] @ Te4[s0>>0]
- ldrb $s0,[$tbl,$s0,lsl#2] @ Te4[s0>>24]
- ldrb $t2,[$tbl,$i2,lsl#2] @ Te4[s0>>8]
- ldrb $t3,[$tbl,$i3,lsl#2] @ Te4[s0>>16]
-
and $i1,lr,$s1,lsr#16 @ i0
+ ldrb $t2,[$tbl,$i2,lsl#2] @ Te4[s0>>8]
and $i2,lr,$s1
+ ldrb $t3,[$tbl,$i3,lsl#2] @ Te4[s0>>16]
and $i3,lr,$s1,lsr#8
+ ldrb $s0,[$tbl,$s0,lsl#2] @ Te4[s0>>24]
mov $s1,$s1,lsr#24
+
ldrb $i1,[$tbl,$i1,lsl#2] @ Te4[s1>>16]
- ldrb $s1,[$tbl,$s1,lsl#2] @ Te4[s1>>24]
ldrb $i2,[$tbl,$i2,lsl#2] @ Te4[s1>>0]
ldrb $i3,[$tbl,$i3,lsl#2] @ Te4[s1>>8]
eor $s0,$i1,$s0,lsl#8
- eor $s1,$t1,$s1,lsl#24
- eor $t2,$i2,$t2,lsl#8
- eor $t3,$i3,$t3,lsl#8
-
+ ldrb $s1,[$tbl,$s1,lsl#2] @ Te4[s1>>24]
and $i1,lr,$s2,lsr#8 @ i0
+ eor $t2,$i2,$t2,lsl#8
and $i2,lr,$s2,lsr#16 @ i1
+ eor $t3,$i3,$t3,lsl#8
and $i3,lr,$s2
- mov $s2,$s2,lsr#24
+ eor $s1,$t1,$s1,lsl#24
ldrb $i1,[$tbl,$i1,lsl#2] @ Te4[s2>>8]
+ mov $s2,$s2,lsr#24
+
ldrb $i2,[$tbl,$i2,lsl#2] @ Te4[s2>>16]
- ldrb $s2,[$tbl,$s2,lsl#2] @ Te4[s2>>24]
ldrb $i3,[$tbl,$i3,lsl#2] @ Te4[s2>>0]
eor $s0,$i1,$s0,lsl#8
- eor $s1,$s1,$i2,lsl#16
- eor $s2,$t2,$s2,lsl#24
- eor $t3,$i3,$t3,lsl#8
-
+ ldrb $s2,[$tbl,$s2,lsl#2] @ Te4[s2>>24]
and $i1,lr,$s3 @ i0
+ eor $s1,$s1,$i2,lsl#16
and $i2,lr,$s3,lsr#8 @ i1
+ eor $t3,$i3,$t3,lsl#8
and $i3,lr,$s3,lsr#16 @ i2
- mov $s3,$s3,lsr#24
+ eor $s2,$t2,$s2,lsl#24
ldrb $i1,[$tbl,$i1,lsl#2] @ Te4[s3>>0]
+ mov $s3,$s3,lsr#24
+
ldrb $i2,[$tbl,$i2,lsl#2] @ Te4[s3>>8]
ldrb $i3,[$tbl,$i3,lsl#2] @ Te4[s3>>16]
- ldrb $s3,[$tbl,$s3,lsl#2] @ Te4[s3>>24]
eor $s0,$i1,$s0,lsl#8
+ ldrb $s3,[$tbl,$s3,lsl#2] @ Te4[s3>>24]
+ ldr $i1,[$key,#0]
eor $s1,$s1,$i2,lsl#8
+ ldr $t1,[$key,#4]
eor $s2,$s2,$i3,lsl#16
+ ldr $t2,[$key,#8]
eor $s3,$t3,$s3,lsl#24
+ ldr $t3,[$key,#12]
- ldr lr,[sp],#4 @ pop lr
- ldr $t1,[$key,#0]
- ldr $t2,[$key,#4]
- ldr $t3,[$key,#8]
- ldr $i1,[$key,#12]
- eor $s0,$s0,$t1
- eor $s1,$s1,$t2
- eor $s2,$s2,$t3
- eor $s3,$s3,$i1
+ eor $s0,$s0,$i1
+ eor $s1,$s1,$t1
+ eor $s2,$s2,$t2
+ eor $s3,$s3,$t3
sub $tbl,$tbl,#2
- mov pc,lr @ return
+ ldr pc,[sp],#4 @ pop and return
.size _armv4_AES_encrypt,.-_armv4_AES_encrypt
.global AES_set_encrypt_key
@@ -399,31 +403,31 @@ AES_set_encrypt_key:
ldrb $t2,[$rounds,#1]
ldrb $t3,[$rounds,#0]
orr $s0,$s0,$t1,lsl#8
- orr $s0,$s0,$t2,lsl#16
- orr $s0,$s0,$t3,lsl#24
ldrb $s1,[$rounds,#7]
+ orr $s0,$s0,$t2,lsl#16
ldrb $t1,[$rounds,#6]
+ orr $s0,$s0,$t3,lsl#24
ldrb $t2,[$rounds,#5]
ldrb $t3,[$rounds,#4]
orr $s1,$s1,$t1,lsl#8
- orr $s1,$s1,$t2,lsl#16
- orr $s1,$s1,$t3,lsl#24
ldrb $s2,[$rounds,#11]
+ orr $s1,$s1,$t2,lsl#16
ldrb $t1,[$rounds,#10]
+ orr $s1,$s1,$t3,lsl#24
ldrb $t2,[$rounds,#9]
ldrb $t3,[$rounds,#8]
orr $s2,$s2,$t1,lsl#8
- orr $s2,$s2,$t2,lsl#16
- orr $s2,$s2,$t3,lsl#24
ldrb $s3,[$rounds,#15]
+ orr $s2,$s2,$t2,lsl#16
ldrb $t1,[$rounds,#14]
+ orr $s2,$s2,$t3,lsl#24
ldrb $t2,[$rounds,#13]
ldrb $t3,[$rounds,#12]
orr $s3,$s3,$t1,lsl#8
- orr $s3,$s3,$t2,lsl#16
- orr $s3,$s3,$t3,lsl#24
str $s0,[$key],#16
+ orr $s3,$s3,$t2,lsl#16
str $s1,[$key,#-12]
+ orr $s3,$s3,$t3,lsl#24
str $s2,[$key,#-8]
str $s3,[$key,#-4]
@@ -437,27 +441,26 @@ AES_set_encrypt_key:
.L128_loop:
and $t2,lr,$s3,lsr#24
and $i1,lr,$s3,lsr#16
- and $i2,lr,$s3,lsr#8
- and $i3,lr,$s3
ldrb $t2,[$tbl,$t2]
+ and $i2,lr,$s3,lsr#8
ldrb $i1,[$tbl,$i1]
+ and $i3,lr,$s3
ldrb $i2,[$tbl,$i2]
- ldrb $i3,[$tbl,$i3]
- ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i1,lsl#24
+ ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i2,lsl#16
+ ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i3,lsl#8
eor $t2,$t2,$t1
eor $s0,$s0,$t2 @ rk[4]=rk[0]^...
eor $s1,$s1,$s0 @ rk[5]=rk[1]^rk[4]
- eor $s2,$s2,$s1 @ rk[6]=rk[2]^rk[5]
- eor $s3,$s3,$s2 @ rk[7]=rk[3]^rk[6]
str $s0,[$key],#16
+ eor $s2,$s2,$s1 @ rk[6]=rk[2]^rk[5]
str $s1,[$key,#-12]
+ eor $s3,$s3,$s2 @ rk[7]=rk[3]^rk[6]
str $s2,[$key,#-8]
- str $s3,[$key,#-4]
-
subs $rounds,$rounds,#1
+ str $s3,[$key,#-4]
bne .L128_loop
sub r2,$key,#176
b .Ldone
@@ -468,16 +471,16 @@ AES_set_encrypt_key:
ldrb $t2,[$rounds,#17]
ldrb $t3,[$rounds,#16]
orr $i2,$i2,$t1,lsl#8
- orr $i2,$i2,$t2,lsl#16
- orr $i2,$i2,$t3,lsl#24
ldrb $i3,[$rounds,#23]
+ orr $i2,$i2,$t2,lsl#16
ldrb $t1,[$rounds,#22]
+ orr $i2,$i2,$t3,lsl#24
ldrb $t2,[$rounds,#21]
ldrb $t3,[$rounds,#20]
orr $i3,$i3,$t1,lsl#8
orr $i3,$i3,$t2,lsl#16
- orr $i3,$i3,$t3,lsl#24
str $i2,[$key],#8
+ orr $i3,$i3,$t3,lsl#24
str $i3,[$key,#-4]
teq lr,#192
@@ -491,27 +494,26 @@ AES_set_encrypt_key:
.L192_loop:
and $t2,lr,$i3,lsr#24
and $i1,lr,$i3,lsr#16
- and $i2,lr,$i3,lsr#8
- and $i3,lr,$i3
ldrb $t2,[$tbl,$t2]
+ and $i2,lr,$i3,lsr#8
ldrb $i1,[$tbl,$i1]
+ and $i3,lr,$i3
ldrb $i2,[$tbl,$i2]
- ldrb $i3,[$tbl,$i3]
- ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i1,lsl#24
+ ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i2,lsl#16
+ ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i3,lsl#8
eor $i3,$t2,$t1
eor $s0,$s0,$i3 @ rk[6]=rk[0]^...
eor $s1,$s1,$s0 @ rk[7]=rk[1]^rk[6]
- eor $s2,$s2,$s1 @ rk[8]=rk[2]^rk[7]
- eor $s3,$s3,$s2 @ rk[9]=rk[3]^rk[8]
str $s0,[$key],#24
+ eor $s2,$s2,$s1 @ rk[8]=rk[2]^rk[7]
str $s1,[$key,#-20]
+ eor $s3,$s3,$s2 @ rk[9]=rk[3]^rk[8]
str $s2,[$key,#-16]
- str $s3,[$key,#-12]
-
subs $rounds,$rounds,#1
+ str $s3,[$key,#-12]
subeq r2,$key,#216
beq .Ldone
@@ -529,16 +531,16 @@ AES_set_encrypt_key:
ldrb $t2,[$rounds,#25]
ldrb $t3,[$rounds,#24]
orr $i2,$i2,$t1,lsl#8
- orr $i2,$i2,$t2,lsl#16
- orr $i2,$i2,$t3,lsl#24
ldrb $i3,[$rounds,#31]
+ orr $i2,$i2,$t2,lsl#16
ldrb $t1,[$rounds,#30]
+ orr $i2,$i2,$t3,lsl#24
ldrb $t2,[$rounds,#29]
ldrb $t3,[$rounds,#28]
orr $i3,$i3,$t1,lsl#8
orr $i3,$i3,$t2,lsl#16
- orr $i3,$i3,$t3,lsl#24
str $i2,[$key],#8
+ orr $i3,$i3,$t3,lsl#24
str $i3,[$key,#-4]
mov $rounds,#14
@@ -550,52 +552,51 @@ AES_set_encrypt_key:
.L256_loop:
and $t2,lr,$i3,lsr#24
and $i1,lr,$i3,lsr#16
- and $i2,lr,$i3,lsr#8
- and $i3,lr,$i3
ldrb $t2,[$tbl,$t2]
+ and $i2,lr,$i3,lsr#8
ldrb $i1,[$tbl,$i1]
+ and $i3,lr,$i3
ldrb $i2,[$tbl,$i2]
- ldrb $i3,[$tbl,$i3]
- ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i1,lsl#24
+ ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i2,lsl#16
+ ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i3,lsl#8
eor $i3,$t2,$t1
eor $s0,$s0,$i3 @ rk[8]=rk[0]^...
eor $s1,$s1,$s0 @ rk[9]=rk[1]^rk[8]
- eor $s2,$s2,$s1 @ rk[10]=rk[2]^rk[9]
- eor $s3,$s3,$s2 @ rk[11]=rk[3]^rk[10]
str $s0,[$key],#32
+ eor $s2,$s2,$s1 @ rk[10]=rk[2]^rk[9]
str $s1,[$key,#-28]
+ eor $s3,$s3,$s2 @ rk[11]=rk[3]^rk[10]
str $s2,[$key,#-24]
- str $s3,[$key,#-20]
-
subs $rounds,$rounds,#1
+ str $s3,[$key,#-20]
subeq r2,$key,#256
beq .Ldone
and $t2,lr,$s3
and $i1,lr,$s3,lsr#8
- and $i2,lr,$s3,lsr#16
- and $i3,lr,$s3,lsr#24
ldrb $t2,[$tbl,$t2]
+ and $i2,lr,$s3,lsr#16
ldrb $i1,[$tbl,$i1]
+ and $i3,lr,$s3,lsr#24
ldrb $i2,[$tbl,$i2]
- ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i1,lsl#8
+ ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i2,lsl#16
+ ldr $t1,[$key,#-48]
orr $t2,$t2,$i3,lsl#24
- ldr $t1,[$key,#-48]
ldr $i1,[$key,#-44]
ldr $i2,[$key,#-40]
- ldr $i3,[$key,#-36]
eor $t1,$t1,$t2 @ rk[12]=rk[4]^...
+ ldr $i3,[$key,#-36]
eor $i1,$i1,$t1 @ rk[13]=rk[5]^rk[12]
- eor $i2,$i2,$i1 @ rk[14]=rk[6]^rk[13]
- eor $i3,$i3,$i2 @ rk[15]=rk[7]^rk[14]
str $t1,[$key,#-16]
+ eor $i2,$i2,$i1 @ rk[14]=rk[6]^rk[13]
str $i1,[$key,#-12]
+ eor $i3,$i3,$i2 @ rk[15]=rk[7]^rk[14]
str $i2,[$key,#-8]
str $i3,[$key,#-4]
b .L256_loop
@@ -816,24 +817,24 @@ AES_decrypt:
ldrb $t2,[$rounds,#1]
ldrb $t3,[$rounds,#0]
orr $s0,$s0,$t1,lsl#8
- orr $s0,$s0,$t2,lsl#16
- orr $s0,$s0,$t3,lsl#24
ldrb $s1,[$rounds,#7]
+ orr $s0,$s0,$t2,lsl#16
ldrb $t1,[$rounds,#6]
+ orr $s0,$s0,$t3,lsl#24
ldrb $t2,[$rounds,#5]
ldrb $t3,[$rounds,#4]
orr $s1,$s1,$t1,lsl#8
- orr $s1,$s1,$t2,lsl#16
- orr $s1,$s1,$t3,lsl#24
ldrb $s2,[$rounds,#11]
+ orr $s1,$s1,$t2,lsl#16
ldrb $t1,[$rounds,#10]
+ orr $s1,$s1,$t3,lsl#24
ldrb $t2,[$rounds,#9]
ldrb $t3,[$rounds,#8]
orr $s2,$s2,$t1,lsl#8
- orr $s2,$s2,$t2,lsl#16
- orr $s2,$s2,$t3,lsl#24
ldrb $s3,[$rounds,#15]
+ orr $s2,$s2,$t2,lsl#16
ldrb $t1,[$rounds,#14]
+ orr $s2,$s2,$t3,lsl#24
ldrb $t2,[$rounds,#13]
ldrb $t3,[$rounds,#12]
orr $s3,$s3,$t1,lsl#8
@@ -848,24 +849,24 @@ AES_decrypt:
mov $t3,$s0,lsr#8
strb $t1,[$rounds,#0]
strb $t2,[$rounds,#1]
- strb $t3,[$rounds,#2]
- strb $s0,[$rounds,#3]
mov $t1,$s1,lsr#24
+ strb $t3,[$rounds,#2]
mov $t2,$s1,lsr#16
+ strb $s0,[$rounds,#3]
mov $t3,$s1,lsr#8
strb $t1,[$rounds,#4]
strb $t2,[$rounds,#5]
- strb $t3,[$rounds,#6]
- strb $s1,[$rounds,#7]
mov $t1,$s2,lsr#24
+ strb $t3,[$rounds,#6]
mov $t2,$s2,lsr#16
+ strb $s1,[$rounds,#7]
mov $t3,$s2,lsr#8
strb $t1,[$rounds,#8]
strb $t2,[$rounds,#9]
- strb $t3,[$rounds,#10]
- strb $s2,[$rounds,#11]
mov $t1,$s3,lsr#24
+ strb $t3,[$rounds,#10]
mov $t2,$s3,lsr#16
+ strb $s2,[$rounds,#11]
mov $t3,$s3,lsr#8
strb $t1,[$rounds,#12]
strb $t2,[$rounds,#13]
@@ -882,146 +883,143 @@ AES_decrypt:
.align 2
_armv4_AES_decrypt:
str lr,[sp,#-4]! @ push lr
- ldr $t1,[$key],#16
- ldr $t2,[$key,#-12]
- ldr $t3,[$key,#-8]
- ldr $i1,[$key,#-4]
- ldr $rounds,[$key,#240-16]
+ ldmia $key!,{$t1-$i1}
eor $s0,$s0,$t1
+ ldr $rounds,[$key,#240-16]
eor $s1,$s1,$t2
eor $s2,$s2,$t3
eor $s3,$s3,$i1
sub $rounds,$rounds,#1
mov lr,#255
-.Ldec_loop:
and $i1,lr,$s0,lsr#16
and $i2,lr,$s0,lsr#8
and $i3,lr,$s0
mov $s0,$s0,lsr#24
+.Ldec_loop:
ldr $t1,[$tbl,$i1,lsl#2] @ Td1[s0>>16]
- ldr $s0,[$tbl,$s0,lsl#2] @ Td0[s0>>24]
- ldr $t2,[$tbl,$i2,lsl#2] @ Td2[s0>>8]
- ldr $t3,[$tbl,$i3,lsl#2] @ Td3[s0>>0]
-
and $i1,lr,$s1 @ i0
+ ldr $t2,[$tbl,$i2,lsl#2] @ Td2[s0>>8]
and $i2,lr,$s1,lsr#16
+ ldr $t3,[$tbl,$i3,lsl#2] @ Td3[s0>>0]
and $i3,lr,$s1,lsr#8
+ ldr $s0,[$tbl,$s0,lsl#2] @ Td0[s0>>24]
mov $s1,$s1,lsr#24
+
ldr $i1,[$tbl,$i1,lsl#2] @ Td3[s1>>0]
- ldr $s1,[$tbl,$s1,lsl#2] @ Td0[s1>>24]
ldr $i2,[$tbl,$i2,lsl#2] @ Td1[s1>>16]
ldr $i3,[$tbl,$i3,lsl#2] @ Td2[s1>>8]
eor $s0,$s0,$i1,ror#24
- eor $s1,$s1,$t1,ror#8
- eor $t2,$i2,$t2,ror#8
- eor $t3,$i3,$t3,ror#8
-
+ ldr $s1,[$tbl,$s1,lsl#2] @ Td0[s1>>24]
and $i1,lr,$s2,lsr#8 @ i0
+ eor $t2,$i2,$t2,ror#8
and $i2,lr,$s2 @ i1
+ eor $t3,$i3,$t3,ror#8
and $i3,lr,$s2,lsr#16
- mov $s2,$s2,lsr#24
+ eor $s1,$s1,$t1,ror#8
ldr $i1,[$tbl,$i1,lsl#2] @ Td2[s2>>8]
+ mov $s2,$s2,lsr#24
+
ldr $i2,[$tbl,$i2,lsl#2] @ Td3[s2>>0]
- ldr $s2,[$tbl,$s2,lsl#2] @ Td0[s2>>24]
ldr $i3,[$tbl,$i3,lsl#2] @ Td1[s2>>16]
eor $s0,$s0,$i1,ror#16
- eor $s1,$s1,$i2,ror#24
- eor $s2,$s2,$t2,ror#8
- eor $t3,$i3,$t3,ror#8
-
+ ldr $s2,[$tbl,$s2,lsl#2] @ Td0[s2>>24]
and $i1,lr,$s3,lsr#16 @ i0
+ eor $s1,$s1,$i2,ror#24
and $i2,lr,$s3,lsr#8 @ i1
+ eor $t3,$i3,$t3,ror#8
and $i3,lr,$s3 @ i2
- mov $s3,$s3,lsr#24
+ eor $s2,$s2,$t2,ror#8
ldr $i1,[$tbl,$i1,lsl#2] @ Td1[s3>>16]
+ mov $s3,$s3,lsr#24
+
ldr $i2,[$tbl,$i2,lsl#2] @ Td2[s3>>8]
ldr $i3,[$tbl,$i3,lsl#2] @ Td3[s3>>0]
- ldr $s3,[$tbl,$s3,lsl#2] @ Td0[s3>>24]
eor $s0,$s0,$i1,ror#8
+ ldr $s3,[$tbl,$s3,lsl#2] @ Td0[s3>>24]
eor $s1,$s1,$i2,ror#16
eor $s2,$s2,$i3,ror#24
+ ldr $i1,[$key],#16
eor $s3,$s3,$t3,ror#8
- ldr $t1,[$key],#16
- ldr $t2,[$key,#-12]
- ldr $t3,[$key,#-8]
- ldr $i1,[$key,#-4]
- eor $s0,$s0,$t1
- eor $s1,$s1,$t2
- eor $s2,$s2,$t3
- eor $s3,$s3,$i1
+ ldr $t1,[$key,#-12]
+ ldr $t2,[$key,#-8]
+ eor $s0,$s0,$i1
+ ldr $t3,[$key,#-4]
+ and $i1,lr,$s0,lsr#16
+ eor $s1,$s1,$t1
+ and $i2,lr,$s0,lsr#8
+ eor $s2,$s2,$t2
+ and $i3,lr,$s0
+ eor $s3,$s3,$t3
+ mov $s0,$s0,lsr#24
subs $rounds,$rounds,#1
bne .Ldec_loop
add $tbl,$tbl,#1024
- ldr $t1,[$tbl,#0] @ prefetch Td4
- ldr $t2,[$tbl,#32]
- ldr $t3,[$tbl,#64]
- ldr $i1,[$tbl,#96]
- ldr $i2,[$tbl,#128]
- ldr $i3,[$tbl,#160]
- ldr $t1,[$tbl,#192]
- ldr $t2,[$tbl,#224]
+ ldr $t2,[$tbl,#0] @ prefetch Td4
+ ldr $t3,[$tbl,#32]
+ ldr $t1,[$tbl,#64]
+ ldr $t2,[$tbl,#96]
+ ldr $t3,[$tbl,#128]
+ ldr $t1,[$tbl,#160]
+ ldr $t2,[$tbl,#192]
+ ldr $t3,[$tbl,#224]
- and $i1,lr,$s0,lsr#16
- and $i2,lr,$s0,lsr#8
- and $i3,lr,$s0
- ldrb $s0,[$tbl,$s0,lsr#24] @ Td4[s0>>24]
+ ldrb $s0,[$tbl,$s0] @ Td4[s0>>24]
ldrb $t1,[$tbl,$i1] @ Td4[s0>>16]
- ldrb $t2,[$tbl,$i2] @ Td4[s0>>8]
- ldrb $t3,[$tbl,$i3] @ Td4[s0>>0]
-
and $i1,lr,$s1 @ i0
+ ldrb $t2,[$tbl,$i2] @ Td4[s0>>8]
and $i2,lr,$s1,lsr#16
+ ldrb $t3,[$tbl,$i3] @ Td4[s0>>0]
and $i3,lr,$s1,lsr#8
+
ldrb $i1,[$tbl,$i1] @ Td4[s1>>0]
ldrb $s1,[$tbl,$s1,lsr#24] @ Td4[s1>>24]
ldrb $i2,[$tbl,$i2] @ Td4[s1>>16]
- ldrb $i3,[$tbl,$i3] @ Td4[s1>>8]
eor $s0,$i1,$s0,lsl#24
+ ldrb $i3,[$tbl,$i3] @ Td4[s1>>8]
eor $s1,$t1,$s1,lsl#8
- eor $t2,$t2,$i2,lsl#8
- eor $t3,$t3,$i3,lsl#8
-
and $i1,lr,$s2,lsr#8 @ i0
+ eor $t2,$t2,$i2,lsl#8
and $i2,lr,$s2 @ i1
- and $i3,lr,$s2,lsr#16
+ eor $t3,$t3,$i3,lsl#8
ldrb $i1,[$tbl,$i1] @ Td4[s2>>8]
+ and $i3,lr,$s2,lsr#16
+
ldrb $i2,[$tbl,$i2] @ Td4[s2>>0]
ldrb $s2,[$tbl,$s2,lsr#24] @ Td4[s2>>24]
- ldrb $i3,[$tbl,$i3] @ Td4[s2>>16]
eor $s0,$s0,$i1,lsl#8
+ ldrb $i3,[$tbl,$i3] @ Td4[s2>>16]
eor $s1,$i2,$s1,lsl#16
- eor $s2,$t2,$s2,lsl#16
- eor $t3,$t3,$i3,lsl#16
-
and $i1,lr,$s3,lsr#16 @ i0
+ eor $s2,$t2,$s2,lsl#16
and $i2,lr,$s3,lsr#8 @ i1
- and $i3,lr,$s3 @ i2
+ eor $t3,$t3,$i3,lsl#16
ldrb $i1,[$tbl,$i1] @ Td4[s3>>16]
+ and $i3,lr,$s3 @ i2
+
ldrb $i2,[$tbl,$i2] @ Td4[s3>>8]
ldrb $i3,[$tbl,$i3] @ Td4[s3>>0]
ldrb $s3,[$tbl,$s3,lsr#24] @ Td4[s3>>24]
eor $s0,$s0,$i1,lsl#16
+ ldr $i1,[$key,#0]
eor $s1,$s1,$i2,lsl#8
+ ldr $t1,[$key,#4]
eor $s2,$i3,$s2,lsl#8
+ ldr $t2,[$key,#8]
eor $s3,$t3,$s3,lsl#24
+ ldr $t3,[$key,#12]
- ldr lr,[sp],#4 @ pop lr
- ldr $t1,[$key,#0]
- ldr $t2,[$key,#4]
- ldr $t3,[$key,#8]
- ldr $i1,[$key,#12]
- eor $s0,$s0,$t1
- eor $s1,$s1,$t2
- eor $s2,$s2,$t3
- eor $s3,$s3,$i1
+ eor $s0,$s0,$i1
+ eor $s1,$s1,$t1
+ eor $s2,$s2,$t2
+ eor $s3,$s3,$t3
sub $tbl,$tbl,#1024
- mov pc,lr @ return
+ ldr pc,[sp],#4 @ pop and return
.size _armv4_AES_decrypt,.-_armv4_AES_decrypt
.asciz "AES for ARMv4, CRYPTOGAMS by <appro\@openssl.org>"
.align 2
@@ -1029,3 +1027,4 @@ ___
$code =~ s/\bbx\s+lr\b/.word\t0xe12fff1e/gm; # make it possible to compile with -march=armv4
print $code;
+close STDOUT; # enforce flush
diff --git a/crypto/aes/asm/aes-armv4.s b/crypto/aes/asm/aes-armv4.s
index e340023..27c681c 100644
--- a/crypto/aes/asm/aes-armv4.s
+++ b/crypto/aes/asm/aes-armv4.s
@@ -124,24 +124,24 @@ AES_encrypt:
ldrb r5,[r12,#1]
ldrb r6,[r12,#0]
orr r0,r0,r4,lsl#8
- orr r0,r0,r5,lsl#16
- orr r0,r0,r6,lsl#24
ldrb r1,[r12,#7]
+ orr r0,r0,r5,lsl#16
ldrb r4,[r12,#6]
+ orr r0,r0,r6,lsl#24
ldrb r5,[r12,#5]
ldrb r6,[r12,#4]
orr r1,r1,r4,lsl#8
- orr r1,r1,r5,lsl#16
- orr r1,r1,r6,lsl#24
ldrb r2,[r12,#11]
+ orr r1,r1,r5,lsl#16
ldrb r4,[r12,#10]
+ orr r1,r1,r6,lsl#24
ldrb r5,[r12,#9]
ldrb r6,[r12,#8]
orr r2,r2,r4,lsl#8
- orr r2,r2,r5,lsl#16
- orr r2,r2,r6,lsl#24
ldrb r3,[r12,#15]
+ orr r2,r2,r5,lsl#16
ldrb r4,[r12,#14]
+ orr r2,r2,r6,lsl#24
ldrb r5,[r12,#13]
ldrb r6,[r12,#12]
orr r3,r3,r4,lsl#8
@@ -156,24 +156,24 @@ AES_encrypt:
mov r6,r0,lsr#8
strb r4,[r12,#0]
strb r5,[r12,#1]
- strb r6,[r12,#2]
- strb r0,[r12,#3]
mov r4,r1,lsr#24
+ strb r6,[r12,#2]
mov r5,r1,lsr#16
+ strb r0,[r12,#3]
mov r6,r1,lsr#8
strb r4,[r12,#4]
strb r5,[r12,#5]
- strb r6,[r12,#6]
- strb r1,[r12,#7]
mov r4,r2,lsr#24
+ strb r6,[r12,#6]
mov r5,r2,lsr#16
+ strb r1,[r12,#7]
mov r6,r2,lsr#8
strb r4,[r12,#8]
strb r5,[r12,#9]
- strb r6,[r12,#10]
- strb r2,[r12,#11]
mov r4,r3,lsr#24
+ strb r6,[r12,#10]
mov r5,r3,lsr#16
+ strb r2,[r12,#11]
mov r6,r3,lsr#8
strb r4,[r12,#12]
strb r5,[r12,#13]
@@ -190,141 +190,137 @@ AES_encrypt:
.align 2
_armv4_AES_encrypt:
str lr,[sp,#-4]! @ push lr
- ldr r4,[r11],#16
- ldr r5,[r11,#-12]
- ldr r6,[r11,#-8]
- ldr r7,[r11,#-4]
- ldr r12,[r11,#240-16]
+ ldmia r11!,{r4-r7}
eor r0,r0,r4
+ ldr r12,[r11,#240-16]
eor r1,r1,r5
eor r2,r2,r6
eor r3,r3,r7
sub r12,r12,#1
mov lr,#255
-.Lenc_loop:
+ and r7,lr,r0
and r8,lr,r0,lsr#8
and r9,lr,r0,lsr#16
- and r7,lr,r0
mov r0,r0,lsr#24
+.Lenc_loop:
ldr r4,[r10,r7,lsl#2] @ Te3[s0>>0]
- ldr r0,[r10,r0,lsl#2] @ Te0[s0>>24]
- ldr r5,[r10,r8,lsl#2] @ Te2[s0>>8]
- ldr r6,[r10,r9,lsl#2] @ Te1[s0>>16]
-
and r7,lr,r1,lsr#16 @ i0
+ ldr r5,[r10,r8,lsl#2] @ Te2[s0>>8]
and r8,lr,r1
+ ldr r6,[r10,r9,lsl#2] @ Te1[s0>>16]
and r9,lr,r1,lsr#8
+ ldr r0,[r10,r0,lsl#2] @ Te0[s0>>24]
mov r1,r1,lsr#24
+
ldr r7,[r10,r7,lsl#2] @ Te1[s1>>16]
- ldr r1,[r10,r1,lsl#2] @ Te0[s1>>24]
ldr r8,[r10,r8,lsl#2] @ Te3[s1>>0]
ldr r9,[r10,r9,lsl#2] @ Te2[s1>>8]
eor r0,r0,r7,ror#8
- eor r1,r1,r4,ror#24
- eor r5,r5,r8,ror#8
- eor r6,r6,r9,ror#8
-
+ ldr r1,[r10,r1,lsl#2] @ Te0[s1>>24]
and r7,lr,r2,lsr#8 @ i0
+ eor r5,r5,r8,ror#8
and r8,lr,r2,lsr#16 @ i1
+ eor r6,r6,r9,ror#8
and r9,lr,r2
- mov r2,r2,lsr#24
+ eor r1,r1,r4,ror#24
ldr r7,[r10,r7,lsl#2] @ Te2[s2>>8]
+ mov r2,r2,lsr#24
+
ldr r8,[r10,r8,lsl#2] @ Te1[s2>>16]
- ldr r2,[r10,r2,lsl#2] @ Te0[s2>>24]
ldr r9,[r10,r9,lsl#2] @ Te3[s2>>0]
eor r0,r0,r7,ror#16
- eor r1,r1,r8,ror#8
- eor r2,r2,r5,ror#16
- eor r6,r6,r9,ror#16
-
+ ldr r2,[r10,r2,lsl#2] @ Te0[s2>>24]
and r7,lr,r3 @ i0
+ eor r1,r1,r8,ror#8
and r8,lr,r3,lsr#8 @ i1
+ eor r6,r6,r9,ror#16
and r9,lr,r3,lsr#16 @ i2
- mov r3,r3,lsr#24
+ eor r2,r2,r5,ror#16
ldr r7,[r10,r7,lsl#2] @ Te3[s3>>0]
+ mov r3,r3,lsr#24
+
ldr r8,[r10,r8,lsl#2] @ Te2[s3>>8]
ldr r9,[r10,r9,lsl#2] @ Te1[s3>>16]
- ldr r3,[r10,r3,lsl#2] @ Te0[s3>>24]
eor r0,r0,r7,ror#24
+ ldr r3,[r10,r3,lsl#2] @ Te0[s3>>24]
eor r1,r1,r8,ror#16
+ ldr r7,[r11],#16
eor r2,r2,r9,ror#8
+ ldr r4,[r11,#-12]
eor r3,r3,r6,ror#8
- ldr r4,[r11],#16
- ldr r5,[r11,#-12]
- ldr r6,[r11,#-8]
- ldr r7,[r11,#-4]
- eor r0,r0,r4
- eor r1,r1,r5
- eor r2,r2,r6
- eor r3,r3,r7
+ ldr r5,[r11,#-8]
+ eor r0,r0,r7
+ ldr r6,[r11,#-4]
+ and r7,lr,r0
+ eor r1,r1,r4
+ and r8,lr,r0,lsr#8
+ eor r2,r2,r5
+ and r9,lr,r0,lsr#16
+ eor r3,r3,r6
+ mov r0,r0,lsr#24
subs r12,r12,#1
bne .Lenc_loop
add r10,r10,#2
- and r7,lr,r0
- and r8,lr,r0,lsr#8
- and r9,lr,r0,lsr#16
- mov r0,r0,lsr#24
ldrb r4,[r10,r7,lsl#2] @ Te4[s0>>0]
- ldrb r0,[r10,r0,lsl#2] @ Te4[s0>>24]
- ldrb r5,[r10,r8,lsl#2] @ Te4[s0>>8]
- ldrb r6,[r10,r9,lsl#2] @ Te4[s0>>16]
-
and r7,lr,r1,lsr#16 @ i0
+ ldrb r5,[r10,r8,lsl#2] @ Te4[s0>>8]
and r8,lr,r1
+ ldrb r6,[r10,r9,lsl#2] @ Te4[s0>>16]
and r9,lr,r1,lsr#8
+ ldrb r0,[r10,r0,lsl#2] @ Te4[s0>>24]
mov r1,r1,lsr#24
+
ldrb r7,[r10,r7,lsl#2] @ Te4[s1>>16]
- ldrb r1,[r10,r1,lsl#2] @ Te4[s1>>24]
ldrb r8,[r10,r8,lsl#2] @ Te4[s1>>0]
ldrb r9,[r10,r9,lsl#2] @ Te4[s1>>8]
eor r0,r7,r0,lsl#8
- eor r1,r4,r1,lsl#24
- eor r5,r8,r5,lsl#8
- eor r6,r9,r6,lsl#8
-
+ ldrb r1,[r10,r1,lsl#2] @ Te4[s1>>24]
and r7,lr,r2,lsr#8 @ i0
+ eor r5,r8,r5,lsl#8
and r8,lr,r2,lsr#16 @ i1
+ eor r6,r9,r6,lsl#8
and r9,lr,r2
- mov r2,r2,lsr#24
+ eor r1,r4,r1,lsl#24
ldrb r7,[r10,r7,lsl#2] @ Te4[s2>>8]
+ mov r2,r2,lsr#24
+
ldrb r8,[r10,r8,lsl#2] @ Te4[s2>>16]
- ldrb r2,[r10,r2,lsl#2] @ Te4[s2>>24]
ldrb r9,[r10,r9,lsl#2] @ Te4[s2>>0]
eor r0,r7,r0,lsl#8
- eor r1,r1,r8,lsl#16
- eor r2,r5,r2,lsl#24
- eor r6,r9,r6,lsl#8
-
+ ldrb r2,[r10,r2,lsl#2] @ Te4[s2>>24]
and r7,lr,r3 @ i0
+ eor r1,r1,r8,lsl#16
and r8,lr,r3,lsr#8 @ i1
+ eor r6,r9,r6,lsl#8
and r9,lr,r3,lsr#16 @ i2
- mov r3,r3,lsr#24
+ eor r2,r5,r2,lsl#24
ldrb r7,[r10,r7,lsl#2] @ Te4[s3>>0]
+ mov r3,r3,lsr#24
+
ldrb r8,[r10,r8,lsl#2] @ Te4[s3>>8]
ldrb r9,[r10,r9,lsl#2] @ Te4[s3>>16]
- ldrb r3,[r10,r3,lsl#2] @ Te4[s3>>24]
eor r0,r7,r0,lsl#8
+ ldrb r3,[r10,r3,lsl#2] @ Te4[s3>>24]
+ ldr r7,[r11,#0]
eor r1,r1,r8,lsl#8
+ ldr r4,[r11,#4]
eor r2,r2,r9,lsl#16
+ ldr r5,[r11,#8]
eor r3,r6,r3,lsl#24
+ ldr r6,[r11,#12]
- ldr lr,[sp],#4 @ pop lr
- ldr r4,[r11,#0]
- ldr r5,[r11,#4]
- ldr r6,[r11,#8]
- ldr r7,[r11,#12]
- eor r0,r0,r4
- eor r1,r1,r5
- eor r2,r2,r6
- eor r3,r3,r7
+ eor r0,r0,r7
+ eor r1,r1,r4
+ eor r2,r2,r5
+ eor r3,r3,r6
sub r10,r10,#2
- mov pc,lr @ return
+ ldr pc,[sp],#4 @ pop and return
.size _armv4_AES_encrypt,.-_armv4_AES_encrypt
.global AES_set_encrypt_key
@@ -359,31 +355,31 @@ AES_set_encrypt_key:
ldrb r5,[r12,#1]
ldrb r6,[r12,#0]
orr r0,r0,r4,lsl#8
- orr r0,r0,r5,lsl#16
- orr r0,r0,r6,lsl#24
ldrb r1,[r12,#7]
+ orr r0,r0,r5,lsl#16
ldrb r4,[r12,#6]
+ orr r0,r0,r6,lsl#24
ldrb r5,[r12,#5]
ldrb r6,[r12,#4]
orr r1,r1,r4,lsl#8
- orr r1,r1,r5,lsl#16
- orr r1,r1,r6,lsl#24
ldrb r2,[r12,#11]
+ orr r1,r1,r5,lsl#16
ldrb r4,[r12,#10]
+ orr r1,r1,r6,lsl#24
ldrb r5,[r12,#9]
ldrb r6,[r12,#8]
orr r2,r2,r4,lsl#8
- orr r2,r2,r5,lsl#16
- orr r2,r2,r6,lsl#24
ldrb r3,[r12,#15]
+ orr r2,r2,r5,lsl#16
ldrb r4,[r12,#14]
+ orr r2,r2,r6,lsl#24
ldrb r5,[r12,#13]
ldrb r6,[r12,#12]
orr r3,r3,r4,lsl#8
- orr r3,r3,r5,lsl#16
- orr r3,r3,r6,lsl#24
str r0,[r11],#16
+ orr r3,r3,r5,lsl#16
str r1,[r11,#-12]
+ orr r3,r3,r6,lsl#24
str r2,[r11,#-8]
str r3,[r11,#-4]
@@ -397,27 +393,26 @@ AES_set_encrypt_key:
.L128_loop:
and r5,lr,r3,lsr#24
and r7,lr,r3,lsr#16
- and r8,lr,r3,lsr#8
- and r9,lr,r3
ldrb r5,[r10,r5]
+ and r8,lr,r3,lsr#8
ldrb r7,[r10,r7]
+ and r9,lr,r3
ldrb r8,[r10,r8]
- ldrb r9,[r10,r9]
- ldr r4,[r6],#4 @ rcon[i++]
orr r5,r5,r7,lsl#24
+ ldrb r9,[r10,r9]
orr r5,r5,r8,lsl#16
+ ldr r4,[r6],#4 @ rcon[i++]
orr r5,r5,r9,lsl#8
eor r5,r5,r4
eor r0,r0,r5 @ rk[4]=rk[0]^...
eor r1,r1,r0 @ rk[5]=rk[1]^rk[4]
- eor r2,r2,r1 @ rk[6]=rk[2]^rk[5]
- eor r3,r3,r2 @ rk[7]=rk[3]^rk[6]
str r0,[r11],#16
+ eor r2,r2,r1 @ rk[6]=rk[2]^rk[5]
str r1,[r11,#-12]
+ eor r3,r3,r2 @ rk[7]=rk[3]^rk[6]
str r2,[r11,#-8]
- str r3,[r11,#-4]
-
subs r12,r12,#1
+ str r3,[r11,#-4]
bne .L128_loop
sub r2,r11,#176
b .Ldone
@@ -428,16 +423,16 @@ AES_set_encrypt_key:
ldrb r5,[r12,#17]
ldrb r6,[r12,#16]
orr r8,r8,r4,lsl#8
- orr r8,r8,r5,lsl#16
- orr r8,r8,r6,lsl#24
ldrb r9,[r12,#23]
+ orr r8,r8,r5,lsl#16
ldrb r4,[r12,#22]
+ orr r8,r8,r6,lsl#24
ldrb r5,[r12,#21]
ldrb r6,[r12,#20]
orr r9,r9,r4,lsl#8
orr r9,r9,r5,lsl#16
- orr r9,r9,r6,lsl#24
str r8,[r11],#8
+ orr r9,r9,r6,lsl#24
str r9,[r11,#-4]
teq lr,#192
@@ -451,27 +446,26 @@ AES_set_encrypt_key:
.L192_loop:
and r5,lr,r9,lsr#24
and r7,lr,r9,lsr#16
- and r8,lr,r9,lsr#8
- and r9,lr,r9
ldrb r5,[r10,r5]
+ and r8,lr,r9,lsr#8
ldrb r7,[r10,r7]
+ and r9,lr,r9
ldrb r8,[r10,r8]
- ldrb r9,[r10,r9]
- ldr r4,[r6],#4 @ rcon[i++]
orr r5,r5,r7,lsl#24
+ ldrb r9,[r10,r9]
orr r5,r5,r8,lsl#16
+ ldr r4,[r6],#4 @ rcon[i++]
orr r5,r5,r9,lsl#8
eor r9,r5,r4
eor r0,r0,r9 @ rk[6]=rk[0]^...
eor r1,r1,r0 @ rk[7]=rk[1]^rk[6]
- eor r2,r2,r1 @ rk[8]=rk[2]^rk[7]
- eor r3,r3,r2 @ rk[9]=rk[3]^rk[8]
str r0,[r11],#24
+ eor r2,r2,r1 @ rk[8]=rk[2]^rk[7]
str r1,[r11,#-20]
+ eor r3,r3,r2 @ rk[9]=rk[3]^rk[8]
str r2,[r11,#-16]
- str r3,[r11,#-12]
-
subs r12,r12,#1
+ str r3,[r11,#-12]
subeq r2,r11,#216
beq .Ldone
@@ -489,16 +483,16 @@ AES_set_encrypt_key:
ldrb r5,[r12,#25]
ldrb r6,[r12,#24]
orr r8,r8,r4,lsl#8
- orr r8,r8,r5,lsl#16
- orr r8,r8,r6,lsl#24
ldrb r9,[r12,#31]
+ orr r8,r8,r5,lsl#16
ldrb r4,[r12,#30]
+ orr r8,r8,r6,lsl#24
ldrb r5,[r12,#29]
ldrb r6,[r12,#28]
orr r9,r9,r4,lsl#8
orr r9,r9,r5,lsl#16
- orr r9,r9,r6,lsl#24
str r8,[r11],#8
+ orr r9,r9,r6,lsl#24
str r9,[r11,#-4]
mov r12,#14
@@ -510,52 +504,51 @@ AES_set_encrypt_key:
.L256_loop:
and r5,lr,r9,lsr#24
and r7,lr,r9,lsr#16
- and r8,lr,r9,lsr#8
- and r9,lr,r9
ldrb r5,[r10,r5]
+ and r8,lr,r9,lsr#8
ldrb r7,[r10,r7]
+ and r9,lr,r9
ldrb r8,[r10,r8]
- ldrb r9,[r10,r9]
- ldr r4,[r6],#4 @ rcon[i++]
orr r5,r5,r7,lsl#24
+ ldrb r9,[r10,r9]
orr r5,r5,r8,lsl#16
+ ldr r4,[r6],#4 @ rcon[i++]
orr r5,r5,r9,lsl#8
eor r9,r5,r4
eor r0,r0,r9 @ rk[8]=rk[0]^...
eor r1,r1,r0 @ rk[9]=rk[1]^rk[8]
- eor r2,r2,r1 @ rk[10]=rk[2]^rk[9]
- eor r3,r3,r2 @ rk[11]=rk[3]^rk[10]
str r0,[r11],#32
+ eor r2,r2,r1 @ rk[10]=rk[2]^rk[9]
str r1,[r11,#-28]
+ eor r3,r3,r2 @ rk[11]=rk[3]^rk[10]
str r2,[r11,#-24]
- str r3,[r11,#-20]
-
subs r12,r12,#1
+ str r3,[r11,#-20]
subeq r2,r11,#256
beq .Ldone
and r5,lr,r3
and r7,lr,r3,lsr#8
- and r8,lr,r3,lsr#16
- and r9,lr,r3,lsr#24
ldrb r5,[r10,r5]
+ and r8,lr,r3,lsr#16
ldrb r7,[r10,r7]
+ and r9,lr,r3,lsr#24
ldrb r8,[r10,r8]
- ldrb r9,[r10,r9]
orr r5,r5,r7,lsl#8
+ ldrb r9,[r10,r9]
orr r5,r5,r8,lsl#16
+ ldr r4,[r11,#-48]
orr r5,r5,r9,lsl#24
- ldr r4,[r11,#-48]
ldr r7,[r11,#-44]
ldr r8,[r11,#-40]
- ldr r9,[r11,#-36]
eor r4,r4,r5 @ rk[12]=rk[4]^...
+ ldr r9,[r11,#-36]
eor r7,r7,r4 @ rk[13]=rk[5]^rk[12]
- eor r8,r8,r7 @ rk[14]=rk[6]^rk[13]
- eor r9,r9,r8 @ rk[15]=rk[7]^rk[14]
str r4,[r11,#-16]
+ eor r8,r8,r7 @ rk[14]=rk[6]^rk[13]
str r7,[r11,#-12]
+ eor r9,r9,r8 @ rk[15]=rk[7]^rk[14]
str r8,[r11,#-8]
str r9,[r11,#-4]
b .L256_loop
@@ -771,24 +764,24 @@ AES_decrypt:
ldrb r5,[r12,#1]
ldrb r6,[r12,#0]
orr r0,r0,r4,lsl#8
- orr r0,r0,r5,lsl#16
- orr r0,r0,r6,lsl#24
ldrb r1,[r12,#7]
+ orr r0,r0,r5,lsl#16
ldrb r4,[r12,#6]
+ orr r0,r0,r6,lsl#24
ldrb r5,[r12,#5]
ldrb r6,[r12,#4]
orr r1,r1,r4,lsl#8
- orr r1,r1,r5,lsl#16
- orr r1,r1,r6,lsl#24
ldrb r2,[r12,#11]
+ orr r1,r1,r5,lsl#16
ldrb r4,[r12,#10]
+ orr r1,r1,r6,lsl#24
ldrb r5,[r12,#9]
ldrb r6,[r12,#8]
orr r2,r2,r4,lsl#8
- orr r2,r2,r5,lsl#16
- orr r2,r2,r6,lsl#24
ldrb r3,[r12,#15]
+ orr r2,r2,r5,lsl#16
ldrb r4,[r12,#14]
+ orr r2,r2,r6,lsl#24
ldrb r5,[r12,#13]
ldrb r6,[r12,#12]
orr r3,r3,r4,lsl#8
@@ -803,24 +796,24 @@ AES_decrypt:
mov r6,r0,lsr#8
strb r4,[r12,#0]
strb r5,[r12,#1]
- strb r6,[r12,#2]
- strb r0,[r12,#3]
mov r4,r1,lsr#24
+ strb r6,[r12,#2]
mov r5,r1,lsr#16
+ strb r0,[r12,#3]
mov r6,r1,lsr#8
strb r4,[r12,#4]
strb r5,[r12,#5]
- strb r6,[r12,#6]
- strb r1,[r12,#7]
mov r4,r2,lsr#24
+ strb r6,[r12,#6]
mov r5,r2,lsr#16
+ strb r1,[r12,#7]
mov r6,r2,lsr#8
strb r4,[r12,#8]
strb r5,[r12,#9]
- strb r6,[r12,#10]
- strb r2,[r12,#11]
mov r4,r3,lsr#24
+ strb r6,[r12,#10]
mov r5,r3,lsr#16
+ strb r2,[r12,#11]
mov r6,r3,lsr#8
strb r4,[r12,#12]
strb r5,[r12,#13]
@@ -837,146 +830,143 @@ AES_decrypt:
.align 2
_armv4_AES_decrypt:
str lr,[sp,#-4]! @ push lr
- ldr r4,[r11],#16
- ldr r5,[r11,#-12]
- ldr r6,[r11,#-8]
- ldr r7,[r11,#-4]
- ldr r12,[r11,#240-16]
+ ldmia r11!,{r4-r7}
eor r0,r0,r4
+ ldr r12,[r11,#240-16]
eor r1,r1,r5
eor r2,r2,r6
eor r3,r3,r7
sub r12,r12,#1
mov lr,#255
-.Ldec_loop:
and r7,lr,r0,lsr#16
and r8,lr,r0,lsr#8
and r9,lr,r0
mov r0,r0,lsr#24
+.Ldec_loop:
ldr r4,[r10,r7,lsl#2] @ Td1[s0>>16]
- ldr r0,[r10,r0,lsl#2] @ Td0[s0>>24]
- ldr r5,[r10,r8,lsl#2] @ Td2[s0>>8]
- ldr r6,[r10,r9,lsl#2] @ Td3[s0>>0]
-
and r7,lr,r1 @ i0
+ ldr r5,[r10,r8,lsl#2] @ Td2[s0>>8]
and r8,lr,r1,lsr#16
+ ldr r6,[r10,r9,lsl#2] @ Td3[s0>>0]
and r9,lr,r1,lsr#8
+ ldr r0,[r10,r0,lsl#2] @ Td0[s0>>24]
mov r1,r1,lsr#24
+
ldr r7,[r10,r7,lsl#2] @ Td3[s1>>0]
- ldr r1,[r10,r1,lsl#2] @ Td0[s1>>24]
ldr r8,[r10,r8,lsl#2] @ Td1[s1>>16]
ldr r9,[r10,r9,lsl#2] @ Td2[s1>>8]
eor r0,r0,r7,ror#24
- eor r1,r1,r4,ror#8
- eor r5,r8,r5,ror#8
- eor r6,r9,r6,ror#8
-
+ ldr r1,[r10,r1,lsl#2] @ Td0[s1>>24]
and r7,lr,r2,lsr#8 @ i0
+ eor r5,r8,r5,ror#8
and r8,lr,r2 @ i1
+ eor r6,r9,r6,ror#8
and r9,lr,r2,lsr#16
- mov r2,r2,lsr#24
+ eor r1,r1,r4,ror#8
ldr r7,[r10,r7,lsl#2] @ Td2[s2>>8]
+ mov r2,r2,lsr#24
+
ldr r8,[r10,r8,lsl#2] @ Td3[s2>>0]
- ldr r2,[r10,r2,lsl#2] @ Td0[s2>>24]
ldr r9,[r10,r9,lsl#2] @ Td1[s2>>16]
eor r0,r0,r7,ror#16
- eor r1,r1,r8,ror#24
- eor r2,r2,r5,ror#8
- eor r6,r9,r6,ror#8
-
+ ldr r2,[r10,r2,lsl#2] @ Td0[s2>>24]
and r7,lr,r3,lsr#16 @ i0
+ eor r1,r1,r8,ror#24
and r8,lr,r3,lsr#8 @ i1
+ eor r6,r9,r6,ror#8
and r9,lr,r3 @ i2
- mov r3,r3,lsr#24
+ eor r2,r2,r5,ror#8
ldr r7,[r10,r7,lsl#2] @ Td1[s3>>16]
+ mov r3,r3,lsr#24
+
ldr r8,[r10,r8,lsl#2] @ Td2[s3>>8]
ldr r9,[r10,r9,lsl#2] @ Td3[s3>>0]
- ldr r3,[r10,r3,lsl#2] @ Td0[s3>>24]
eor r0,r0,r7,ror#8
+ ldr r3,[r10,r3,lsl#2] @ Td0[s3>>24]
eor r1,r1,r8,ror#16
eor r2,r2,r9,ror#24
+ ldr r7,[r11],#16
eor r3,r3,r6,ror#8
- ldr r4,[r11],#16
- ldr r5,[r11,#-12]
- ldr r6,[r11,#-8]
- ldr r7,[r11,#-4]
- eor r0,r0,r4
- eor r1,r1,r5
- eor r2,r2,r6
- eor r3,r3,r7
+ ldr r4,[r11,#-12]
+ ldr r5,[r11,#-8]
+ eor r0,r0,r7
+ ldr r6,[r11,#-4]
+ and r7,lr,r0,lsr#16
+ eor r1,r1,r4
+ and r8,lr,r0,lsr#8
+ eor r2,r2,r5
+ and r9,lr,r0
+ eor r3,r3,r6
+ mov r0,r0,lsr#24
subs r12,r12,#1
bne .Ldec_loop
add r10,r10,#1024
- ldr r4,[r10,#0] @ prefetch Td4
- ldr r5,[r10,#32]
- ldr r6,[r10,#64]
- ldr r7,[r10,#96]
- ldr r8,[r10,#128]
- ldr r9,[r10,#160]
- ldr r4,[r10,#192]
- ldr r5,[r10,#224]
+ ldr r5,[r10,#0] @ prefetch Td4
+ ldr r6,[r10,#32]
+ ldr r4,[r10,#64]
+ ldr r5,[r10,#96]
+ ldr r6,[r10,#128]
+ ldr r4,[r10,#160]
+ ldr r5,[r10,#192]
+ ldr r6,[r10,#224]
- and r7,lr,r0,lsr#16
- and r8,lr,r0,lsr#8
- and r9,lr,r0
- ldrb r0,[r10,r0,lsr#24] @ Td4[s0>>24]
+ ldrb r0,[r10,r0] @ Td4[s0>>24]
ldrb r4,[r10,r7] @ Td4[s0>>16]
- ldrb r5,[r10,r8] @ Td4[s0>>8]
- ldrb r6,[r10,r9] @ Td4[s0>>0]
-
and r7,lr,r1 @ i0
+ ldrb r5,[r10,r8] @ Td4[s0>>8]
and r8,lr,r1,lsr#16
+ ldrb r6,[r10,r9] @ Td4[s0>>0]
and r9,lr,r1,lsr#8
+
ldrb r7,[r10,r7] @ Td4[s1>>0]
ldrb r1,[r10,r1,lsr#24] @ Td4[s1>>24]
ldrb r8,[r10,r8] @ Td4[s1>>16]
- ldrb r9,[r10,r9] @ Td4[s1>>8]
eor r0,r7,r0,lsl#24
+ ldrb r9,[r10,r9] @ Td4[s1>>8]
eor r1,r4,r1,lsl#8
- eor r5,r5,r8,lsl#8
- eor r6,r6,r9,lsl#8
-
and r7,lr,r2,lsr#8 @ i0
+ eor r5,r5,r8,lsl#8
and r8,lr,r2 @ i1
- and r9,lr,r2,lsr#16
+ eor r6,r6,r9,lsl#8
ldrb r7,[r10,r7] @ Td4[s2>>8]
+ and r9,lr,r2,lsr#16
+
ldrb r8,[r10,r8] @ Td4[s2>>0]
ldrb r2,[r10,r2,lsr#24] @ Td4[s2>>24]
- ldrb r9,[r10,r9] @ Td4[s2>>16]
eor r0,r0,r7,lsl#8
+ ldrb r9,[r10,r9] @ Td4[s2>>16]
eor r1,r8,r1,lsl#16
- eor r2,r5,r2,lsl#16
- eor r6,r6,r9,lsl#16
-
and r7,lr,r3,lsr#16 @ i0
+ eor r2,r5,r2,lsl#16
and r8,lr,r3,lsr#8 @ i1
- and r9,lr,r3 @ i2
+ eor r6,r6,r9,lsl#16
ldrb r7,[r10,r7] @ Td4[s3>>16]
+ and r9,lr,r3 @ i2
+
ldrb r8,[r10,r8] @ Td4[s3>>8]
ldrb r9,[r10,r9] @ Td4[s3>>0]
ldrb r3,[r10,r3,lsr#24] @ Td4[s3>>24]
eor r0,r0,r7,lsl#16
+ ldr r7,[r11,#0]
eor r1,r1,r8,lsl#8
+ ldr r4,[r11,#4]
eor r2,r9,r2,lsl#8
+ ldr r5,[r11,#8]
eor r3,r6,r3,lsl#24
+ ldr r6,[r11,#12]
- ldr lr,[sp],#4 @ pop lr
- ldr r4,[r11,#0]
- ldr r5,[r11,#4]
- ldr r6,[r11,#8]
- ldr r7,[r11,#12]
- eor r0,r0,r4
- eor r1,r1,r5
- eor r2,r2,r6
- eor r3,r3,r7
+ eor r0,r0,r7
+ eor r1,r1,r4
+ eor r2,r2,r5
+ eor r3,r3,r6
sub r10,r10,#1024
- mov pc,lr @ return
+ ldr pc,[sp],#4 @ pop and return
.size _armv4_AES_decrypt,.-_armv4_AES_decrypt
.asciz "AES for ARMv4, CRYPTOGAMS by <appro@openssl.org>"
.align 2