You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

967 lines
17 KiB

.file "cast-586.s"
.text
.globl _CAST_encrypt
.align 4
_CAST_encrypt:
L_CAST_encrypt_begin:
pushl %ebp
pushl %ebx
movl 12(%esp),%ebx
movl 16(%esp),%ebp
pushl %esi
pushl %edi
# Load the 2 words
movl (%ebx),%edi
movl 4(%ebx),%esi
# Get short key flag
movl 128(%ebp),%eax
pushl %eax
xorl %eax,%eax
# round 0
movl (%ebp),%edx
movl 4(%ebp),%ecx
addl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%edi
# round 1
movl 8(%ebp),%edx
movl 12(%ebp),%ecx
xorl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%esi
# round 2
movl 16(%ebp),%edx
movl 20(%ebp),%ecx
subl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%edi
# round 3
movl 24(%ebp),%edx
movl 28(%ebp),%ecx
addl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%esi
# round 4
movl 32(%ebp),%edx
movl 36(%ebp),%ecx
xorl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%edi
# round 5
movl 40(%ebp),%edx
movl 44(%ebp),%ecx
subl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%esi
# round 6
movl 48(%ebp),%edx
movl 52(%ebp),%ecx
addl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%edi
# round 7
movl 56(%ebp),%edx
movl 60(%ebp),%ecx
xorl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%esi
# round 8
movl 64(%ebp),%edx
movl 68(%ebp),%ecx
subl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%edi
# round 9
movl 72(%ebp),%edx
movl 76(%ebp),%ecx
addl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%esi
# round 10
movl 80(%ebp),%edx
movl 84(%ebp),%ecx
xorl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%edi
# round 11
movl 88(%ebp),%edx
movl 92(%ebp),%ecx
subl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%esi
# test short key flag
popl %edx
orl %edx,%edx
jnz L000cast_enc_done
# round 12
movl 96(%ebp),%edx
movl 100(%ebp),%ecx
addl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%edi
# round 13
movl 104(%ebp),%edx
movl 108(%ebp),%ecx
xorl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%esi
# round 14
movl 112(%ebp),%edx
movl 116(%ebp),%ecx
subl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%edi
# round 15
movl 120(%ebp),%edx
movl 124(%ebp),%ecx
addl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%esi
L000cast_enc_done:
nop
movl 20(%esp),%eax
movl %edi,4(%eax)
movl %esi,(%eax)
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
.globl _CAST_decrypt
.align 4
_CAST_decrypt:
L_CAST_decrypt_begin:
pushl %ebp
pushl %ebx
movl 12(%esp),%ebx
movl 16(%esp),%ebp
pushl %esi
pushl %edi
# Load the 2 words
movl (%ebx),%edi
movl 4(%ebx),%esi
# Get short key flag
movl 128(%ebp),%eax
orl %eax,%eax
jnz L001cast_dec_skip
xorl %eax,%eax
# round 15
movl 120(%ebp),%edx
movl 124(%ebp),%ecx
addl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%edi
# round 14
movl 112(%ebp),%edx
movl 116(%ebp),%ecx
subl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%esi
# round 13
movl 104(%ebp),%edx
movl 108(%ebp),%ecx
xorl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%edi
# round 12
movl 96(%ebp),%edx
movl 100(%ebp),%ecx
addl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%esi
L001cast_dec_skip:
# round 11
movl 88(%ebp),%edx
movl 92(%ebp),%ecx
subl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%edi
# round 10
movl 80(%ebp),%edx
movl 84(%ebp),%ecx
xorl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%esi
# round 9
movl 72(%ebp),%edx
movl 76(%ebp),%ecx
addl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%edi
# round 8
movl 64(%ebp),%edx
movl 68(%ebp),%ecx
subl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%esi
# round 7
movl 56(%ebp),%edx
movl 60(%ebp),%ecx
xorl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%edi
# round 6
movl 48(%ebp),%edx
movl 52(%ebp),%ecx
addl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%esi
# round 5
movl 40(%ebp),%edx
movl 44(%ebp),%ecx
subl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%edi
# round 4
movl 32(%ebp),%edx
movl 36(%ebp),%ecx
xorl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%esi
# round 3
movl 24(%ebp),%edx
movl 28(%ebp),%ecx
addl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%edi
# round 2
movl 16(%ebp),%edx
movl 20(%ebp),%ecx
subl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
subl %ebx,%ecx
xorl %ecx,%esi
# round 1
movl 8(%ebp),%edx
movl 12(%ebp),%ecx
xorl %esi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
addl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
xorl %ebx,%ecx
xorl %ecx,%edi
# round 0
movl (%ebp),%edx
movl 4(%ebp),%ecx
addl %edi,%edx
roll %cl,%edx
movl %edx,%ebx
xorl %ecx,%ecx
movb %dh,%cl
andl $255,%ebx
shrl $16,%edx
xorl %eax,%eax
movb %dh,%al
andl $255,%edx
movl _CAST_S_table0(,%ecx,4),%ecx
movl _CAST_S_table1(,%ebx,4),%ebx
xorl %ebx,%ecx
movl _CAST_S_table2(,%eax,4),%ebx
subl %ebx,%ecx
movl _CAST_S_table3(,%edx,4),%ebx
addl %ebx,%ecx
xorl %ecx,%esi
nop
movl 20(%esp),%eax
movl %edi,4(%eax)
movl %esi,(%eax)
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
.globl _CAST_cbc_encrypt
.align 4
_CAST_cbc_encrypt:
L_CAST_cbc_encrypt_begin:
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
movl 28(%esp),%ebp
# getting iv ptr from parameter 4
movl 36(%esp),%ebx
movl (%ebx),%esi
movl 4(%ebx),%edi
pushl %edi
pushl %esi
pushl %edi
pushl %esi
movl %esp,%ebx
movl 36(%esp),%esi
movl 40(%esp),%edi
# getting encrypt flag from parameter 5
movl 56(%esp),%ecx
# get and push parameter 3
movl 48(%esp),%eax
pushl %eax
pushl %ebx
cmpl $0,%ecx
jz L002decrypt
andl $4294967288,%ebp
movl 8(%esp),%eax
movl 12(%esp),%ebx
jz L003encrypt_finish
L004encrypt_loop:
movl (%esi),%ecx
movl 4(%esi),%edx
xorl %ecx,%eax
xorl %edx,%ebx
bswap %eax
bswap %ebx
movl %eax,8(%esp)
movl %ebx,12(%esp)
call L_CAST_encrypt_begin
movl 8(%esp),%eax
movl 12(%esp),%ebx
bswap %eax
bswap %ebx
movl %eax,(%edi)
movl %ebx,4(%edi)
addl $8,%esi
addl $8,%edi
subl $8,%ebp
jnz L004encrypt_loop
L003encrypt_finish:
movl 52(%esp),%ebp
andl $7,%ebp
jz L005finish
call L006PIC_point
L006PIC_point:
popl %edx
leal L007cbc_enc_jmp_table-L006PIC_point(%edx),%ecx
movl (%ecx,%ebp,4),%ebp
addl %edx,%ebp
xorl %ecx,%ecx
xorl %edx,%edx
jmp *%ebp
L008ej7:
movb 6(%esi),%dh
shll $8,%edx
L009ej6:
movb 5(%esi),%dh
L010ej5:
movb 4(%esi),%dl
L011ej4:
movl (%esi),%ecx
jmp L012ejend
L013ej3:
movb 2(%esi),%ch
shll $8,%ecx
L014ej2:
movb 1(%esi),%ch
L015ej1:
movb (%esi),%cl
L012ejend:
xorl %ecx,%eax
xorl %edx,%ebx
bswap %eax
bswap %ebx
movl %eax,8(%esp)
movl %ebx,12(%esp)
call L_CAST_encrypt_begin
movl 8(%esp),%eax
movl 12(%esp),%ebx
bswap %eax
bswap %ebx
movl %eax,(%edi)
movl %ebx,4(%edi)
jmp L005finish
L002decrypt:
andl $4294967288,%ebp
movl 16(%esp),%eax
movl 20(%esp),%ebx
jz L016decrypt_finish
L017decrypt_loop:
movl (%esi),%eax
movl 4(%esi),%ebx
bswap %eax
bswap %ebx
movl %eax,8(%esp)
movl %ebx,12(%esp)
call L_CAST_decrypt_begin
movl 8(%esp),%eax
movl 12(%esp),%ebx
bswap %eax
bswap %ebx
movl 16(%esp),%ecx
movl 20(%esp),%edx
xorl %eax,%ecx
xorl %ebx,%edx
movl (%esi),%eax
movl 4(%esi),%ebx
movl %ecx,(%edi)
movl %edx,4(%edi)
movl %eax,16(%esp)
movl %ebx,20(%esp)
addl $8,%esi
addl $8,%edi
subl $8,%ebp
jnz L017decrypt_loop
L016decrypt_finish:
movl 52(%esp),%ebp
andl $7,%ebp
jz L005finish
movl (%esi),%eax
movl 4(%esi),%ebx
bswap %eax
bswap %ebx
movl %eax,8(%esp)
movl %ebx,12(%esp)
call L_CAST_decrypt_begin
movl 8(%esp),%eax
movl 12(%esp),%ebx
bswap %eax
bswap %ebx
movl 16(%esp),%ecx
movl 20(%esp),%edx
xorl %eax,%ecx
xorl %ebx,%edx
movl (%esi),%eax
movl 4(%esi),%ebx
L018dj7:
rorl $16,%edx
movb %dl,6(%edi)
shrl $16,%edx
L019dj6:
movb %dh,5(%edi)
L020dj5:
movb %dl,4(%edi)
L021dj4:
movl %ecx,(%edi)
jmp L022djend
L023dj3:
rorl $16,%ecx
movb %cl,2(%edi)
shll $16,%ecx
L024dj2:
movb %ch,1(%esi)
L025dj1:
movb %cl,(%esi)
L022djend:
jmp L005finish
L005finish:
movl 60(%esp),%ecx
addl $24,%esp
movl %eax,(%ecx)
movl %ebx,4(%ecx)
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
.align 6,0x90
L007cbc_enc_jmp_table:
.long 0
.long L015ej1-L006PIC_point
.long L014ej2-L006PIC_point
.long L013ej3-L006PIC_point
.long L011ej4-L006PIC_point
.long L010ej5-L006PIC_point
.long L009ej6-L006PIC_point
.long L008ej7-L006PIC_point
.align 6,0x90