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430 lines
7.2 KiB
430 lines
7.2 KiB
.text
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.globl _RC4
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.p2align 4
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_RC4: orq %rsi,%rsi
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jne L$entry
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.byte 0xf3,0xc3
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L$entry:
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pushq %rbx
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pushq %r12
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pushq %r13
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L$prologue:
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addq $8,%rdi
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movl -8(%rdi),%r8d
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movl -4(%rdi),%r12d
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cmpl $-1,256(%rdi)
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je L$RC4_CHAR
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incb %r8b
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movl (%rdi,%r8,4),%r9d
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testq $-8,%rsi
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jz L$loop1
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jmp L$loop8
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.p2align 4
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L$loop8:
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addb %r9b,%r12b
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movq %r8,%r10
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movl (%rdi,%r12,4),%r13d
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rorq $8,%rax
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incb %r10b
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movl (%rdi,%r10,4),%r11d
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cmpq %r10,%r12
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movl %r9d,(%rdi,%r12,4)
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cmoveq %r9,%r11
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movl %r13d,(%rdi,%r8,4)
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addb %r9b,%r13b
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movb (%rdi,%r13,4),%al
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addb %r11b,%r12b
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movq %r10,%r8
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movl (%rdi,%r12,4),%r13d
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rorq $8,%rax
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incb %r8b
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movl (%rdi,%r8,4),%r9d
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cmpq %r8,%r12
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movl %r11d,(%rdi,%r12,4)
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cmoveq %r11,%r9
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movl %r13d,(%rdi,%r10,4)
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addb %r11b,%r13b
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movb (%rdi,%r13,4),%al
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addb %r9b,%r12b
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movq %r8,%r10
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movl (%rdi,%r12,4),%r13d
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rorq $8,%rax
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incb %r10b
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movl (%rdi,%r10,4),%r11d
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cmpq %r10,%r12
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movl %r9d,(%rdi,%r12,4)
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cmoveq %r9,%r11
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movl %r13d,(%rdi,%r8,4)
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addb %r9b,%r13b
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movb (%rdi,%r13,4),%al
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addb %r11b,%r12b
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movq %r10,%r8
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movl (%rdi,%r12,4),%r13d
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rorq $8,%rax
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incb %r8b
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movl (%rdi,%r8,4),%r9d
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cmpq %r8,%r12
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movl %r11d,(%rdi,%r12,4)
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cmoveq %r11,%r9
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movl %r13d,(%rdi,%r10,4)
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addb %r11b,%r13b
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movb (%rdi,%r13,4),%al
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addb %r9b,%r12b
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movq %r8,%r10
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movl (%rdi,%r12,4),%r13d
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rorq $8,%rax
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incb %r10b
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movl (%rdi,%r10,4),%r11d
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cmpq %r10,%r12
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movl %r9d,(%rdi,%r12,4)
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cmoveq %r9,%r11
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movl %r13d,(%rdi,%r8,4)
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addb %r9b,%r13b
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movb (%rdi,%r13,4),%al
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addb %r11b,%r12b
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movq %r10,%r8
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movl (%rdi,%r12,4),%r13d
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rorq $8,%rax
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incb %r8b
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movl (%rdi,%r8,4),%r9d
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cmpq %r8,%r12
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movl %r11d,(%rdi,%r12,4)
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cmoveq %r11,%r9
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movl %r13d,(%rdi,%r10,4)
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addb %r11b,%r13b
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movb (%rdi,%r13,4),%al
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addb %r9b,%r12b
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movq %r8,%r10
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movl (%rdi,%r12,4),%r13d
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rorq $8,%rax
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incb %r10b
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movl (%rdi,%r10,4),%r11d
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cmpq %r10,%r12
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movl %r9d,(%rdi,%r12,4)
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cmoveq %r9,%r11
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movl %r13d,(%rdi,%r8,4)
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addb %r9b,%r13b
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movb (%rdi,%r13,4),%al
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addb %r11b,%r12b
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movq %r10,%r8
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movl (%rdi,%r12,4),%r13d
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rorq $8,%rax
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incb %r8b
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movl (%rdi,%r8,4),%r9d
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cmpq %r8,%r12
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movl %r11d,(%rdi,%r12,4)
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cmoveq %r11,%r9
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movl %r13d,(%rdi,%r10,4)
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addb %r11b,%r13b
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movb (%rdi,%r13,4),%al
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rorq $8,%rax
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subq $8,%rsi
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xorq (%rdx),%rax
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addq $8,%rdx
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movq %rax,(%rcx)
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addq $8,%rcx
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testq $-8,%rsi
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jnz L$loop8
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cmpq $0,%rsi
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jne L$loop1
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jmp L$exit
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.p2align 4
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L$loop1:
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addb %r9b,%r12b
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movl (%rdi,%r12,4),%r13d
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movl %r9d,(%rdi,%r12,4)
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movl %r13d,(%rdi,%r8,4)
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addb %r13b,%r9b
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incb %r8b
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movl (%rdi,%r9,4),%r13d
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movl (%rdi,%r8,4),%r9d
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xorb (%rdx),%r13b
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incq %rdx
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movb %r13b,(%rcx)
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incq %rcx
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decq %rsi
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jnz L$loop1
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jmp L$exit
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.p2align 4
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L$RC4_CHAR:
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addb $1,%r8b
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movzbl (%rdi,%r8,1),%r9d
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testq $-8,%rsi
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jz L$cloop1
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cmpl $0,260(%rdi)
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jnz L$cloop1
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jmp L$cloop8
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.p2align 4
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L$cloop8:
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movl (%rdx),%eax
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movl 4(%rdx),%ebx
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addb %r9b,%r12b
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leaq 1(%r8),%r10
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movzbl (%rdi,%r12,1),%r13d
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movzbl %r10b,%r10d
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movzbl (%rdi,%r10,1),%r11d
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movb %r9b,(%rdi,%r12,1)
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cmpq %r10,%r12
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movb %r13b,(%rdi,%r8,1)
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jne L$cmov0
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movq %r9,%r11
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L$cmov0:
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addb %r9b,%r13b
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xorb (%rdi,%r13,1),%al
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rorl $8,%eax
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addb %r11b,%r12b
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leaq 1(%r10),%r8
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movzbl (%rdi,%r12,1),%r13d
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movzbl %r8b,%r8d
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movzbl (%rdi,%r8,1),%r9d
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movb %r11b,(%rdi,%r12,1)
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cmpq %r8,%r12
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movb %r13b,(%rdi,%r10,1)
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jne L$cmov1
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movq %r11,%r9
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L$cmov1:
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addb %r11b,%r13b
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xorb (%rdi,%r13,1),%al
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rorl $8,%eax
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addb %r9b,%r12b
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leaq 1(%r8),%r10
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movzbl (%rdi,%r12,1),%r13d
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movzbl %r10b,%r10d
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movzbl (%rdi,%r10,1),%r11d
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movb %r9b,(%rdi,%r12,1)
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cmpq %r10,%r12
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movb %r13b,(%rdi,%r8,1)
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jne L$cmov2
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movq %r9,%r11
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L$cmov2:
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addb %r9b,%r13b
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xorb (%rdi,%r13,1),%al
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rorl $8,%eax
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addb %r11b,%r12b
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leaq 1(%r10),%r8
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movzbl (%rdi,%r12,1),%r13d
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movzbl %r8b,%r8d
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movzbl (%rdi,%r8,1),%r9d
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movb %r11b,(%rdi,%r12,1)
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cmpq %r8,%r12
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movb %r13b,(%rdi,%r10,1)
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jne L$cmov3
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movq %r11,%r9
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L$cmov3:
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addb %r11b,%r13b
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xorb (%rdi,%r13,1),%al
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rorl $8,%eax
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addb %r9b,%r12b
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leaq 1(%r8),%r10
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movzbl (%rdi,%r12,1),%r13d
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movzbl %r10b,%r10d
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movzbl (%rdi,%r10,1),%r11d
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movb %r9b,(%rdi,%r12,1)
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cmpq %r10,%r12
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movb %r13b,(%rdi,%r8,1)
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jne L$cmov4
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movq %r9,%r11
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L$cmov4:
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addb %r9b,%r13b
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xorb (%rdi,%r13,1),%bl
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rorl $8,%ebx
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addb %r11b,%r12b
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leaq 1(%r10),%r8
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movzbl (%rdi,%r12,1),%r13d
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movzbl %r8b,%r8d
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movzbl (%rdi,%r8,1),%r9d
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movb %r11b,(%rdi,%r12,1)
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cmpq %r8,%r12
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movb %r13b,(%rdi,%r10,1)
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jne L$cmov5
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movq %r11,%r9
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L$cmov5:
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addb %r11b,%r13b
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xorb (%rdi,%r13,1),%bl
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rorl $8,%ebx
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addb %r9b,%r12b
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leaq 1(%r8),%r10
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movzbl (%rdi,%r12,1),%r13d
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movzbl %r10b,%r10d
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movzbl (%rdi,%r10,1),%r11d
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movb %r9b,(%rdi,%r12,1)
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cmpq %r10,%r12
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movb %r13b,(%rdi,%r8,1)
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jne L$cmov6
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movq %r9,%r11
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L$cmov6:
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addb %r9b,%r13b
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xorb (%rdi,%r13,1),%bl
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rorl $8,%ebx
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addb %r11b,%r12b
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leaq 1(%r10),%r8
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movzbl (%rdi,%r12,1),%r13d
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movzbl %r8b,%r8d
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movzbl (%rdi,%r8,1),%r9d
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movb %r11b,(%rdi,%r12,1)
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cmpq %r8,%r12
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movb %r13b,(%rdi,%r10,1)
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jne L$cmov7
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movq %r11,%r9
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L$cmov7:
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addb %r11b,%r13b
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xorb (%rdi,%r13,1),%bl
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rorl $8,%ebx
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leaq -8(%rsi),%rsi
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movl %eax,(%rcx)
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leaq 8(%rdx),%rdx
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movl %ebx,4(%rcx)
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leaq 8(%rcx),%rcx
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testq $-8,%rsi
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jnz L$cloop8
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cmpq $0,%rsi
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jne L$cloop1
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jmp L$exit
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.p2align 4
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L$cloop1:
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addb %r9b,%r12b
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movzbl (%rdi,%r12,1),%r13d
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movb %r9b,(%rdi,%r12,1)
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movb %r13b,(%rdi,%r8,1)
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addb %r9b,%r13b
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addb $1,%r8b
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movzbl %r13b,%r13d
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movzbl %r8b,%r8d
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movzbl (%rdi,%r13,1),%r13d
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movzbl (%rdi,%r8,1),%r9d
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xorb (%rdx),%r13b
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leaq 1(%rdx),%rdx
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movb %r13b,(%rcx)
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leaq 1(%rcx),%rcx
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subq $1,%rsi
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jnz L$cloop1
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jmp L$exit
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.p2align 4
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L$exit:
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subb $1,%r8b
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movl %r8d,-8(%rdi)
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movl %r12d,-4(%rdi)
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movq (%rsp),%r13
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movq 8(%rsp),%r12
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movq 16(%rsp),%rbx
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addq $24,%rsp
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L$epilogue:
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.byte 0xf3,0xc3
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.globl _RC4_set_key
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.p2align 4
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_RC4_set_key:
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leaq 8(%rdi),%rdi
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leaq (%rdx,%rsi,1),%rdx
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negq %rsi
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movq %rsi,%rcx
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xorl %eax,%eax
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xorq %r9,%r9
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xorq %r10,%r10
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xorq %r11,%r11
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movl _OPENSSL_ia32cap_P(%rip),%r8d
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btl $20,%r8d
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jnc L$w1stloop
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btl $30,%r8d
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setc %r9b
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movl %r9d,260(%rdi)
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jmp L$c1stloop
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.p2align 4
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L$w1stloop:
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movl %eax,(%rdi,%rax,4)
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addb $1,%al
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jnc L$w1stloop
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xorq %r9,%r9
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xorq %r8,%r8
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.p2align 4
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L$w2ndloop:
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movl (%rdi,%r9,4),%r10d
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addb (%rdx,%rsi,1),%r8b
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addb %r10b,%r8b
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addq $1,%rsi
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movl (%rdi,%r8,4),%r11d
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cmovzq %rcx,%rsi
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movl %r10d,(%rdi,%r8,4)
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movl %r11d,(%rdi,%r9,4)
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addb $1,%r9b
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jnc L$w2ndloop
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jmp L$exit_key
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.p2align 4
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L$c1stloop:
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movb %al,(%rdi,%rax,1)
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addb $1,%al
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jnc L$c1stloop
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xorq %r9,%r9
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xorq %r8,%r8
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.p2align 4
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L$c2ndloop:
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movb (%rdi,%r9,1),%r10b
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addb (%rdx,%rsi,1),%r8b
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addb %r10b,%r8b
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addq $1,%rsi
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movb (%rdi,%r8,1),%r11b
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jnz L$cnowrap
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movq %rcx,%rsi
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L$cnowrap:
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movb %r10b,(%rdi,%r8,1)
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movb %r11b,(%rdi,%r9,1)
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addb $1,%r9b
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jnc L$c2ndloop
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movl $-1,256(%rdi)
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.p2align 4
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L$exit_key:
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xorl %eax,%eax
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movl %eax,-8(%rdi)
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movl %eax,-4(%rdi)
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.byte 0xf3,0xc3
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.globl _RC4_options
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.p2align 4
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_RC4_options:
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leaq L$opts(%rip),%rax
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movl _OPENSSL_ia32cap_P(%rip),%edx
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btl $20,%edx
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jnc L$done
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addq $12,%rax
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btl $30,%edx
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jnc L$done
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addq $13,%rax
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L$done:
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.byte 0xf3,0xc3
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.p2align 6
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L$opts:
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.byte 114,99,52,40,56,120,44,105,110,116,41,0
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.byte 114,99,52,40,56,120,44,99,104,97,114,41,0
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.byte 114,99,52,40,49,120,44,99,104,97,114,41,0
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.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
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.p2align 6
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