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.text
.globl RC4
.type RC4,@function
.align 16
RC4: orq %rsi,%rsi
jne .Lentry
.byte 0xf3,0xc3
.Lentry:
pushq %rbx
pushq %r12
pushq %r13
.Lprologue:
addq $8,%rdi
movl -8(%rdi),%r8d
movl -4(%rdi),%r12d
cmpl $-1,256(%rdi)
je .LRC4_CHAR
incb %r8b
movl (%rdi,%r8,4),%r9d
testq $-8,%rsi
jz .Lloop1
jmp .Lloop8
.align 16
.Lloop8:
addb %r9b,%r12b
movq %r8,%r10
movl (%rdi,%r12,4),%r13d
rorq $8,%rax
incb %r10b
movl (%rdi,%r10,4),%r11d
cmpq %r10,%r12
movl %r9d,(%rdi,%r12,4)
cmoveq %r9,%r11
movl %r13d,(%rdi,%r8,4)
addb %r9b,%r13b
movb (%rdi,%r13,4),%al
addb %r11b,%r12b
movq %r10,%r8
movl (%rdi,%r12,4),%r13d
rorq $8,%rax
incb %r8b
movl (%rdi,%r8,4),%r9d
cmpq %r8,%r12
movl %r11d,(%rdi,%r12,4)
cmoveq %r11,%r9
movl %r13d,(%rdi,%r10,4)
addb %r11b,%r13b
movb (%rdi,%r13,4),%al
addb %r9b,%r12b
movq %r8,%r10
movl (%rdi,%r12,4),%r13d
rorq $8,%rax
incb %r10b
movl (%rdi,%r10,4),%r11d
cmpq %r10,%r12
movl %r9d,(%rdi,%r12,4)
cmoveq %r9,%r11
movl %r13d,(%rdi,%r8,4)
addb %r9b,%r13b
movb (%rdi,%r13,4),%al
addb %r11b,%r12b
movq %r10,%r8
movl (%rdi,%r12,4),%r13d
rorq $8,%rax
incb %r8b
movl (%rdi,%r8,4),%r9d
cmpq %r8,%r12
movl %r11d,(%rdi,%r12,4)
cmoveq %r11,%r9
movl %r13d,(%rdi,%r10,4)
addb %r11b,%r13b
movb (%rdi,%r13,4),%al
addb %r9b,%r12b
movq %r8,%r10
movl (%rdi,%r12,4),%r13d
rorq $8,%rax
incb %r10b
movl (%rdi,%r10,4),%r11d
cmpq %r10,%r12
movl %r9d,(%rdi,%r12,4)
cmoveq %r9,%r11
movl %r13d,(%rdi,%r8,4)
addb %r9b,%r13b
movb (%rdi,%r13,4),%al
addb %r11b,%r12b
movq %r10,%r8
movl (%rdi,%r12,4),%r13d
rorq $8,%rax
incb %r8b
movl (%rdi,%r8,4),%r9d
cmpq %r8,%r12
movl %r11d,(%rdi,%r12,4)
cmoveq %r11,%r9
movl %r13d,(%rdi,%r10,4)
addb %r11b,%r13b
movb (%rdi,%r13,4),%al
addb %r9b,%r12b
movq %r8,%r10
movl (%rdi,%r12,4),%r13d
rorq $8,%rax
incb %r10b
movl (%rdi,%r10,4),%r11d
cmpq %r10,%r12
movl %r9d,(%rdi,%r12,4)
cmoveq %r9,%r11
movl %r13d,(%rdi,%r8,4)
addb %r9b,%r13b
movb (%rdi,%r13,4),%al
addb %r11b,%r12b
movq %r10,%r8
movl (%rdi,%r12,4),%r13d
rorq $8,%rax
incb %r8b
movl (%rdi,%r8,4),%r9d
cmpq %r8,%r12
movl %r11d,(%rdi,%r12,4)
cmoveq %r11,%r9
movl %r13d,(%rdi,%r10,4)
addb %r11b,%r13b
movb (%rdi,%r13,4),%al
rorq $8,%rax
subq $8,%rsi
xorq (%rdx),%rax
addq $8,%rdx
movq %rax,(%rcx)
addq $8,%rcx
testq $-8,%rsi
jnz .Lloop8
cmpq $0,%rsi
jne .Lloop1
jmp .Lexit
.align 16
.Lloop1:
addb %r9b,%r12b
movl (%rdi,%r12,4),%r13d
movl %r9d,(%rdi,%r12,4)
movl %r13d,(%rdi,%r8,4)
addb %r13b,%r9b
incb %r8b
movl (%rdi,%r9,4),%r13d
movl (%rdi,%r8,4),%r9d
xorb (%rdx),%r13b
incq %rdx
movb %r13b,(%rcx)
incq %rcx
decq %rsi
jnz .Lloop1
jmp .Lexit
.align 16
.LRC4_CHAR:
addb $1,%r8b
movzbl (%rdi,%r8,1),%r9d
testq $-8,%rsi
jz .Lcloop1
cmpl $0,260(%rdi)
jnz .Lcloop1
jmp .Lcloop8
.align 16
.Lcloop8:
movl (%rdx),%eax
movl 4(%rdx),%ebx
addb %r9b,%r12b
leaq 1(%r8),%r10
movzbl (%rdi,%r12,1),%r13d
movzbl %r10b,%r10d
movzbl (%rdi,%r10,1),%r11d
movb %r9b,(%rdi,%r12,1)
cmpq %r10,%r12
movb %r13b,(%rdi,%r8,1)
jne .Lcmov0
movq %r9,%r11
.Lcmov0:
addb %r9b,%r13b
xorb (%rdi,%r13,1),%al
rorl $8,%eax
addb %r11b,%r12b
leaq 1(%r10),%r8
movzbl (%rdi,%r12,1),%r13d
movzbl %r8b,%r8d
movzbl (%rdi,%r8,1),%r9d
movb %r11b,(%rdi,%r12,1)
cmpq %r8,%r12
movb %r13b,(%rdi,%r10,1)
jne .Lcmov1
movq %r11,%r9
.Lcmov1:
addb %r11b,%r13b
xorb (%rdi,%r13,1),%al
rorl $8,%eax
addb %r9b,%r12b
leaq 1(%r8),%r10
movzbl (%rdi,%r12,1),%r13d
movzbl %r10b,%r10d
movzbl (%rdi,%r10,1),%r11d
movb %r9b,(%rdi,%r12,1)
cmpq %r10,%r12
movb %r13b,(%rdi,%r8,1)
jne .Lcmov2
movq %r9,%r11
.Lcmov2:
addb %r9b,%r13b
xorb (%rdi,%r13,1),%al
rorl $8,%eax
addb %r11b,%r12b
leaq 1(%r10),%r8
movzbl (%rdi,%r12,1),%r13d
movzbl %r8b,%r8d
movzbl (%rdi,%r8,1),%r9d
movb %r11b,(%rdi,%r12,1)
cmpq %r8,%r12
movb %r13b,(%rdi,%r10,1)
jne .Lcmov3
movq %r11,%r9
.Lcmov3:
addb %r11b,%r13b
xorb (%rdi,%r13,1),%al
rorl $8,%eax
addb %r9b,%r12b
leaq 1(%r8),%r10
movzbl (%rdi,%r12,1),%r13d
movzbl %r10b,%r10d
movzbl (%rdi,%r10,1),%r11d
movb %r9b,(%rdi,%r12,1)
cmpq %r10,%r12
movb %r13b,(%rdi,%r8,1)
jne .Lcmov4
movq %r9,%r11
.Lcmov4:
addb %r9b,%r13b
xorb (%rdi,%r13,1),%bl
rorl $8,%ebx
addb %r11b,%r12b
leaq 1(%r10),%r8
movzbl (%rdi,%r12,1),%r13d
movzbl %r8b,%r8d
movzbl (%rdi,%r8,1),%r9d
movb %r11b,(%rdi,%r12,1)
cmpq %r8,%r12
movb %r13b,(%rdi,%r10,1)
jne .Lcmov5
movq %r11,%r9
.Lcmov5:
addb %r11b,%r13b
xorb (%rdi,%r13,1),%bl
rorl $8,%ebx
addb %r9b,%r12b
leaq 1(%r8),%r10
movzbl (%rdi,%r12,1),%r13d
movzbl %r10b,%r10d
movzbl (%rdi,%r10,1),%r11d
movb %r9b,(%rdi,%r12,1)
cmpq %r10,%r12
movb %r13b,(%rdi,%r8,1)
jne .Lcmov6
movq %r9,%r11
.Lcmov6:
addb %r9b,%r13b
xorb (%rdi,%r13,1),%bl
rorl $8,%ebx
addb %r11b,%r12b
leaq 1(%r10),%r8
movzbl (%rdi,%r12,1),%r13d
movzbl %r8b,%r8d
movzbl (%rdi,%r8,1),%r9d
movb %r11b,(%rdi,%r12,1)
cmpq %r8,%r12
movb %r13b,(%rdi,%r10,1)
jne .Lcmov7
movq %r11,%r9
.Lcmov7:
addb %r11b,%r13b
xorb (%rdi,%r13,1),%bl
rorl $8,%ebx
leaq -8(%rsi),%rsi
movl %eax,(%rcx)
leaq 8(%rdx),%rdx
movl %ebx,4(%rcx)
leaq 8(%rcx),%rcx
testq $-8,%rsi
jnz .Lcloop8
cmpq $0,%rsi
jne .Lcloop1
jmp .Lexit
.align 16
.Lcloop1:
addb %r9b,%r12b
movzbl (%rdi,%r12,1),%r13d
movb %r9b,(%rdi,%r12,1)
movb %r13b,(%rdi,%r8,1)
addb %r9b,%r13b
addb $1,%r8b
movzbl %r13b,%r13d
movzbl %r8b,%r8d
movzbl (%rdi,%r13,1),%r13d
movzbl (%rdi,%r8,1),%r9d
xorb (%rdx),%r13b
leaq 1(%rdx),%rdx
movb %r13b,(%rcx)
leaq 1(%rcx),%rcx
subq $1,%rsi
jnz .Lcloop1
jmp .Lexit
.align 16
.Lexit:
subb $1,%r8b
movl %r8d,-8(%rdi)
movl %r12d,-4(%rdi)
movq (%rsp),%r13
movq 8(%rsp),%r12
movq 16(%rsp),%rbx
addq $24,%rsp
.Lepilogue:
.byte 0xf3,0xc3
.size RC4,.-RC4
.globl RC4_set_key
.type RC4_set_key,@function
.align 16
RC4_set_key:
leaq 8(%rdi),%rdi
leaq (%rdx,%rsi,1),%rdx
negq %rsi
movq %rsi,%rcx
xorl %eax,%eax
xorq %r9,%r9
xorq %r10,%r10
xorq %r11,%r11
movl OPENSSL_ia32cap_P(%rip),%r8d
btl $20,%r8d
jnc .Lw1stloop
btl $30,%r8d
setc %r9b
movl %r9d,260(%rdi)
jmp .Lc1stloop
.align 16
.Lw1stloop:
movl %eax,(%rdi,%rax,4)
addb $1,%al
jnc .Lw1stloop
xorq %r9,%r9
xorq %r8,%r8
.align 16
.Lw2ndloop:
movl (%rdi,%r9,4),%r10d
addb (%rdx,%rsi,1),%r8b
addb %r10b,%r8b
addq $1,%rsi
movl (%rdi,%r8,4),%r11d
cmovzq %rcx,%rsi
movl %r10d,(%rdi,%r8,4)
movl %r11d,(%rdi,%r9,4)
addb $1,%r9b
jnc .Lw2ndloop
jmp .Lexit_key
.align 16
.Lc1stloop:
movb %al,(%rdi,%rax,1)
addb $1,%al
jnc .Lc1stloop
xorq %r9,%r9
xorq %r8,%r8
.align 16
.Lc2ndloop:
movb (%rdi,%r9,1),%r10b
addb (%rdx,%rsi,1),%r8b
addb %r10b,%r8b
addq $1,%rsi
movb (%rdi,%r8,1),%r11b
jnz .Lcnowrap
movq %rcx,%rsi
.Lcnowrap:
movb %r10b,(%rdi,%r8,1)
movb %r11b,(%rdi,%r9,1)
addb $1,%r9b
jnc .Lc2ndloop
movl $-1,256(%rdi)
.align 16
.Lexit_key:
xorl %eax,%eax
movl %eax,-8(%rdi)
movl %eax,-4(%rdi)
.byte 0xf3,0xc3
.size RC4_set_key,.-RC4_set_key
.globl RC4_options
.type RC4_options,@function
.align 16
RC4_options:
leaq .Lopts(%rip),%rax
movl OPENSSL_ia32cap_P(%rip),%edx
btl $20,%edx
jnc .Ldone
addq $12,%rax
btl $30,%edx
jnc .Ldone
addq $13,%rax
.Ldone:
.byte 0xf3,0xc3
.align 64
.Lopts:
.byte 114,99,52,40,56,120,44,105,110,116,41,0
.byte 114,99,52,40,56,120,44,99,104,97,114,41,0
.byte 114,99,52,40,49,120,44,99,104,97,114,41,0
.byte 82,67,52,32,102,111,114,32,120,56,54,95,54,52,44,32,67,82,89,80,84,79,71,65,77,83,32,98,121,32,60,97,112,112,114,111,64,111,112,101,110,115,115,108,46,111,114,103,62,0
.align 64
.size RC4_options,.-RC4_options
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