1011 lines
20 KiB
C++
1011 lines
20 KiB
C++
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/* Run the C pre-processor over this file with one of the following defined
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* ELF - elf object files,
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* OUT - a.out object files,
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* BSDI - BSDI style a.out object files
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* SOL - Solaris style elf
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*/
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#define TYPE(a,b) .type a,b
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#define SIZE(a,b) .size a,b
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#if defined(OUT) || defined(BSDI)
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#define CAST_S_table0 _CAST_S_table0
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#define CAST_S_table1 _CAST_S_table1
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#define CAST_S_table2 _CAST_S_table2
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#define CAST_S_table3 _CAST_S_table3
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#define CAST_encrypt _CAST_encrypt
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#define CAST_S_table0 _CAST_S_table0
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#define CAST_S_table1 _CAST_S_table1
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#define CAST_S_table2 _CAST_S_table2
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#define CAST_S_table3 _CAST_S_table3
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#define CAST_decrypt _CAST_decrypt
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#define CAST_cbc_encrypt _CAST_cbc_encrypt
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#endif
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#ifdef OUT
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#define OK 1
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#define ALIGN 4
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#endif
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#ifdef BSDI
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#define OK 1
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#define ALIGN 4
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#undef SIZE
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#undef TYPE
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#define SIZE(a,b)
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#define TYPE(a,b)
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#endif
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#if defined(ELF) || defined(SOL)
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#define OK 1
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#define ALIGN 16
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#endif
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#ifndef OK
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You need to define one of
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ELF - elf systems - linux-elf, NetBSD and DG-UX
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OUT - a.out systems - linux-a.out and FreeBSD
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SOL - solaris systems, which are elf with strange comment lines
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BSDI - a.out with a very primative version of as.
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#endif
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/* Let the Assembler begin :-) */
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/* Don't even think of reading this code */
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/* It was automatically generated by cast-586.pl */
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/* Which is a perl program used to generate the x86 assember for */
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/* any of elf, a.out, BSDI,Win32, or Solaris */
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/* eric <eay@cryptsoft.com> */
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.file "cast-586.s"
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.version "01.01"
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gcc2_compiled.:
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.text
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.align ALIGN
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.globl CAST_encrypt
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TYPE(CAST_encrypt,@function)
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CAST_encrypt:
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pushl %ebp
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pushl %ebx
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movl 12(%esp), %ebx
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movl 16(%esp), %ebp
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pushl %esi
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pushl %edi
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/* Load the 2 words */
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movl (%ebx), %edi
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movl 4(%ebx), %esi
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xorl %eax, %eax
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/* round 0 */
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movl (%ebp), %edx
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movl 4(%ebp), %ecx
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addl %esi, %edx
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roll %cl, %edx
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movl %edx, %ebx
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xorl %ecx, %ecx
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movb %dh, %cl
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andl $255, %ebx
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shrl $16, %edx
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xorl %eax, %eax
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movb %dh, %al
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andl $255, %edx
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movl CAST_S_table0(,%ecx,4),%ecx
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movl CAST_S_table1(,%ebx,4),%ebx
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xorl %ebx, %ecx
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movl CAST_S_table2(,%eax,4),%ebx
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subl %ebx, %ecx
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movl CAST_S_table3(,%edx,4),%ebx
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addl %ebx, %ecx
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xorl %ecx, %edi
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/* round 1 */
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movl 8(%ebp), %edx
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movl 12(%ebp), %ecx
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xorl %edi, %edx
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roll %cl, %edx
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movl %edx, %ebx
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xorl %ecx, %ecx
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movb %dh, %cl
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andl $255, %ebx
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shrl $16, %edx
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xorl %eax, %eax
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movb %dh, %al
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andl $255, %edx
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movl CAST_S_table0(,%ecx,4),%ecx
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movl CAST_S_table1(,%ebx,4),%ebx
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subl %ebx, %ecx
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movl CAST_S_table2(,%eax,4),%ebx
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addl %ebx, %ecx
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movl CAST_S_table3(,%edx,4),%ebx
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xorl %ebx, %ecx
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xorl %ecx, %esi
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/* round 2 */
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movl 16(%ebp), %edx
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movl 20(%ebp), %ecx
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subl %esi, %edx
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roll %cl, %edx
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movl %edx, %ebx
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xorl %ecx, %ecx
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movb %dh, %cl
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andl $255, %ebx
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shrl $16, %edx
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xorl %eax, %eax
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movb %dh, %al
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andl $255, %edx
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movl CAST_S_table0(,%ecx,4),%ecx
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movl CAST_S_table1(,%ebx,4),%ebx
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addl %ebx, %ecx
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movl CAST_S_table2(,%eax,4),%ebx
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xorl %ebx, %ecx
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movl CAST_S_table3(,%edx,4),%ebx
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subl %ebx, %ecx
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xorl %ecx, %edi
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/* round 3 */
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movl 24(%ebp), %edx
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movl 28(%ebp), %ecx
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addl %edi, %edx
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roll %cl, %edx
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movl %edx, %ebx
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xorl %ecx, %ecx
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movb %dh, %cl
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andl $255, %ebx
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shrl $16, %edx
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xorl %eax, %eax
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movb %dh, %al
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andl $255, %edx
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movl CAST_S_table0(,%ecx,4),%ecx
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movl CAST_S_table1(,%ebx,4),%ebx
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xorl %ebx, %ecx
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movl CAST_S_table2(,%eax,4),%ebx
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subl %ebx, %ecx
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movl CAST_S_table3(,%edx,4),%ebx
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addl %ebx, %ecx
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xorl %ecx, %esi
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/* round 4 */
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movl 32(%ebp), %edx
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movl 36(%ebp), %ecx
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xorl %esi, %edx
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roll %cl, %edx
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movl %edx, %ebx
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xorl %ecx, %ecx
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movb %dh, %cl
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andl $255, %ebx
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shrl $16, %edx
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xorl %eax, %eax
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movb %dh, %al
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andl $255, %edx
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movl CAST_S_table0(,%ecx,4),%ecx
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movl CAST_S_table1(,%ebx,4),%ebx
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subl %ebx, %ecx
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movl CAST_S_table2(,%eax,4),%ebx
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addl %ebx, %ecx
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movl CAST_S_table3(,%edx,4),%ebx
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xorl %ebx, %ecx
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xorl %ecx, %edi
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/* round 5 */
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movl 40(%ebp), %edx
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movl 44(%ebp), %ecx
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subl %edi, %edx
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roll %cl, %edx
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movl %edx, %ebx
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xorl %ecx, %ecx
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movb %dh, %cl
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andl $255, %ebx
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shrl $16, %edx
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xorl %eax, %eax
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movb %dh, %al
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andl $255, %edx
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movl CAST_S_table0(,%ecx,4),%ecx
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movl CAST_S_table1(,%ebx,4),%ebx
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addl %ebx, %ecx
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movl CAST_S_table2(,%eax,4),%ebx
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xorl %ebx, %ecx
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movl CAST_S_table3(,%edx,4),%ebx
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subl %ebx, %ecx
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xorl %ecx, %esi
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/* round 6 */
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movl 48(%ebp), %edx
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movl 52(%ebp), %ecx
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addl %esi, %edx
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roll %cl, %edx
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movl %edx, %ebx
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xorl %ecx, %ecx
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movb %dh, %cl
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andl $255, %ebx
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shrl $16, %edx
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xorl %eax, %eax
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movb %dh, %al
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andl $255, %edx
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movl CAST_S_table0(,%ecx,4),%ecx
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movl CAST_S_table1(,%ebx,4),%ebx
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xorl %ebx, %ecx
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movl CAST_S_table2(,%eax,4),%ebx
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subl %ebx, %ecx
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movl CAST_S_table3(,%edx,4),%ebx
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addl %ebx, %ecx
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xorl %ecx, %edi
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/* round 7 */
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movl 56(%ebp), %edx
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movl 60(%ebp), %ecx
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xorl %edi, %edx
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roll %cl, %edx
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movl %edx, %ebx
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xorl %ecx, %ecx
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movb %dh, %cl
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andl $255, %ebx
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shrl $16, %edx
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xorl %eax, %eax
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movb %dh, %al
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andl $255, %edx
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movl CAST_S_table0(,%ecx,4),%ecx
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movl CAST_S_table1(,%ebx,4),%ebx
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subl %ebx, %ecx
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movl CAST_S_table2(,%eax,4),%ebx
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addl %ebx, %ecx
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movl CAST_S_table3(,%edx,4),%ebx
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xorl %ebx, %ecx
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xorl %ecx, %esi
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/* round 8 */
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movl 64(%ebp), %edx
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movl 68(%ebp), %ecx
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subl %esi, %edx
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roll %cl, %edx
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movl %edx, %ebx
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xorl %ecx, %ecx
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||
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movb %dh, %cl
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andl $255, %ebx
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shrl $16, %edx
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xorl %eax, %eax
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movb %dh, %al
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andl $255, %edx
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movl CAST_S_table0(,%ecx,4),%ecx
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movl CAST_S_table1(,%ebx,4),%ebx
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addl %ebx, %ecx
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movl CAST_S_table2(,%eax,4),%ebx
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xorl %ebx, %ecx
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movl CAST_S_table3(,%edx,4),%ebx
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subl %ebx, %ecx
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xorl %ecx, %edi
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/* round 9 */
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movl 72(%ebp), %edx
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movl 76(%ebp), %ecx
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addl %edi, %edx
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roll %cl, %edx
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||
|
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movl %edx, %ebx
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||
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xorl %ecx, %ecx
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||
|
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movb %dh, %cl
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||
|
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andl $255, %ebx
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||
|
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shrl $16, %edx
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||
|
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xorl %eax, %eax
|
||
|
|
movb %dh, %al
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||
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andl $255, %edx
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||
|
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movl CAST_S_table0(,%ecx,4),%ecx
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||
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|
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
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||
|
|
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
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||
|
|
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
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||
|
|
movl CAST_S_table1(,%ebx,4),%ebx
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||
|
|
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 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
|
||
|
|
movl 20(%esp), %eax
|
||
|
|
xorl %ecx, %esi
|
||
|
|
nop
|
||
|
|
movl %edi, 4(%eax)
|
||
|
|
movl %esi, (%eax)
|
||
|
|
popl %edi
|
||
|
|
popl %esi
|
||
|
|
popl %ebx
|
||
|
|
popl %ebp
|
||
|
|
ret
|
||
|
|
.CAST_encrypt_end:
|
||
|
|
SIZE(CAST_encrypt,.CAST_encrypt_end-CAST_encrypt)
|
||
|
|
.ident "CAST_encrypt"
|
||
|
|
.text
|
||
|
|
.align ALIGN
|
||
|
|
.globl CAST_decrypt
|
||
|
|
TYPE(CAST_decrypt,@function)
|
||
|
|
CAST_decrypt:
|
||
|
|
|
||
|
|
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
|
||
|
|
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
|
||
|
|
/* 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
|
||
|
|
movl 20(%esp), %eax
|
||
|
|
xorl %ecx, %esi
|
||
|
|
nop
|
||
|
|
movl %edi, 4(%eax)
|
||
|
|
movl %esi, (%eax)
|
||
|
|
popl %edi
|
||
|
|
popl %esi
|
||
|
|
popl %ebx
|
||
|
|
popl %ebp
|
||
|
|
ret
|
||
|
|
.CAST_decrypt_end:
|
||
|
|
SIZE(CAST_decrypt,.CAST_decrypt_end-CAST_decrypt)
|
||
|
|
.ident "CAST_decrypt"
|
||
|
|
.text
|
||
|
|
.align ALIGN
|
||
|
|
.globl CAST_cbc_encrypt
|
||
|
|
TYPE(CAST_cbc_encrypt,@function)
|
||
|
|
CAST_cbc_encrypt:
|
||
|
|
|
||
|
|
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 .L000decrypt
|
||
|
|
andl $4294967288, %ebp
|
||
|
|
movl 8(%esp), %eax
|
||
|
|
movl 12(%esp), %ebx
|
||
|
|
jz .L001encrypt_finish
|
||
|
|
.L002encrypt_loop:
|
||
|
|
movl (%esi), %ecx
|
||
|
|
movl 4(%esi), %edx
|
||
|
|
xorl %ecx, %eax
|
||
|
|
xorl %edx, %ebx
|
||
|
|
.byte 15
|
||
|
|
.byte 200 /* bswapl %eax */
|
||
|
|
.byte 15
|
||
|
|
.byte 203 /* bswapl %ebx */
|
||
|
|
movl %eax, 8(%esp)
|
||
|
|
movl %ebx, 12(%esp)
|
||
|
|
call CAST_encrypt
|
||
|
|
movl 8(%esp), %eax
|
||
|
|
movl 12(%esp), %ebx
|
||
|
|
.byte 15
|
||
|
|
.byte 200 /* bswapl %eax */
|
||
|
|
.byte 15
|
||
|
|
.byte 203 /* bswapl %ebx */
|
||
|
|
movl %eax, (%edi)
|
||
|
|
movl %ebx, 4(%edi)
|
||
|
|
addl $8, %esi
|
||
|
|
addl $8, %edi
|
||
|
|
subl $8, %ebp
|
||
|
|
jnz .L002encrypt_loop
|
||
|
|
.L001encrypt_finish:
|
||
|
|
movl 52(%esp), %ebp
|
||
|
|
andl $7, %ebp
|
||
|
|
jz .L003finish
|
||
|
|
xorl %ecx, %ecx
|
||
|
|
xorl %edx, %edx
|
||
|
|
movl .L004cbc_enc_jmp_table(,%ebp,4),%ebp
|
||
|
|
jmp *%ebp
|
||
|
|
.L005ej7:
|
||
|
|
xorl %edx, %edx
|
||
|
|
movb 6(%esi), %dh
|
||
|
|
sall $8, %edx
|
||
|
|
.L006ej6:
|
||
|
|
movb 5(%esi), %dh
|
||
|
|
.L007ej5:
|
||
|
|
movb 4(%esi), %dl
|
||
|
|
.L008ej4:
|
||
|
|
movl (%esi), %ecx
|
||
|
|
jmp .L009ejend
|
||
|
|
.L010ej3:
|
||
|
|
movb 2(%esi), %ch
|
||
|
|
xorl %ecx, %ecx
|
||
|
|
sall $8, %ecx
|
||
|
|
.L011ej2:
|
||
|
|
movb 1(%esi), %ch
|
||
|
|
.L012ej1:
|
||
|
|
movb (%esi), %cl
|
||
|
|
.L009ejend:
|
||
|
|
xorl %ecx, %eax
|
||
|
|
xorl %edx, %ebx
|
||
|
|
.byte 15
|
||
|
|
.byte 200 /* bswapl %eax */
|
||
|
|
.byte 15
|
||
|
|
.byte 203 /* bswapl %ebx */
|
||
|
|
movl %eax, 8(%esp)
|
||
|
|
movl %ebx, 12(%esp)
|
||
|
|
call CAST_encrypt
|
||
|
|
movl 8(%esp), %eax
|
||
|
|
movl 12(%esp), %ebx
|
||
|
|
.byte 15
|
||
|
|
.byte 200 /* bswapl %eax */
|
||
|
|
.byte 15
|
||
|
|
.byte 203 /* bswapl %ebx */
|
||
|
|
movl %eax, (%edi)
|
||
|
|
movl %ebx, 4(%edi)
|
||
|
|
jmp .L003finish
|
||
|
|
.align ALIGN
|
||
|
|
.L000decrypt:
|
||
|
|
andl $4294967288, %ebp
|
||
|
|
movl 16(%esp), %eax
|
||
|
|
movl 20(%esp), %ebx
|
||
|
|
jz .L013decrypt_finish
|
||
|
|
.L014decrypt_loop:
|
||
|
|
movl (%esi), %eax
|
||
|
|
movl 4(%esi), %ebx
|
||
|
|
.byte 15
|
||
|
|
.byte 200 /* bswapl %eax */
|
||
|
|
.byte 15
|
||
|
|
.byte 203 /* bswapl %ebx */
|
||
|
|
movl %eax, 8(%esp)
|
||
|
|
movl %ebx, 12(%esp)
|
||
|
|
call CAST_decrypt
|
||
|
|
movl 8(%esp), %eax
|
||
|
|
movl 12(%esp), %ebx
|
||
|
|
.byte 15
|
||
|
|
.byte 200 /* bswapl %eax */
|
||
|
|
.byte 15
|
||
|
|
.byte 203 /* bswapl %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 .L014decrypt_loop
|
||
|
|
.L013decrypt_finish:
|
||
|
|
movl 52(%esp), %ebp
|
||
|
|
andl $7, %ebp
|
||
|
|
jz .L003finish
|
||
|
|
movl (%esi), %eax
|
||
|
|
movl 4(%esi), %ebx
|
||
|
|
.byte 15
|
||
|
|
.byte 200 /* bswapl %eax */
|
||
|
|
.byte 15
|
||
|
|
.byte 203 /* bswapl %ebx */
|
||
|
|
movl %eax, 8(%esp)
|
||
|
|
movl %ebx, 12(%esp)
|
||
|
|
call CAST_decrypt
|
||
|
|
movl 8(%esp), %eax
|
||
|
|
movl 12(%esp), %ebx
|
||
|
|
.byte 15
|
||
|
|
.byte 200 /* bswapl %eax */
|
||
|
|
.byte 15
|
||
|
|
.byte 203 /* bswapl %ebx */
|
||
|
|
movl 16(%esp), %ecx
|
||
|
|
movl 20(%esp), %edx
|
||
|
|
xorl %eax, %ecx
|
||
|
|
xorl %ebx, %edx
|
||
|
|
movl (%esi), %eax
|
||
|
|
movl 4(%esi), %ebx
|
||
|
|
.L015dj7:
|
||
|
|
rorl $16, %edx
|
||
|
|
movb %dl, 6(%edi)
|
||
|
|
shrl $16, %edx
|
||
|
|
.L016dj6:
|
||
|
|
movb %dh, 5(%edi)
|
||
|
|
.L017dj5:
|
||
|
|
movb %dl, 4(%edi)
|
||
|
|
.L018dj4:
|
||
|
|
movl %ecx, (%edi)
|
||
|
|
jmp .L019djend
|
||
|
|
.L020dj3:
|
||
|
|
rorl $16, %ecx
|
||
|
|
movb %cl, 2(%edi)
|
||
|
|
sall $16, %ecx
|
||
|
|
.L021dj2:
|
||
|
|
movb %ch, 1(%esi)
|
||
|
|
.L022dj1:
|
||
|
|
movb %cl, (%esi)
|
||
|
|
.L019djend:
|
||
|
|
jmp .L003finish
|
||
|
|
.align ALIGN
|
||
|
|
.L003finish:
|
||
|
|
movl 60(%esp), %ecx
|
||
|
|
addl $24, %esp
|
||
|
|
movl %eax, (%ecx)
|
||
|
|
movl %ebx, 4(%ecx)
|
||
|
|
popl %edi
|
||
|
|
popl %esi
|
||
|
|
popl %ebx
|
||
|
|
popl %ebp
|
||
|
|
ret
|
||
|
|
.align ALIGN
|
||
|
|
.L004cbc_enc_jmp_table:
|
||
|
|
.long 0
|
||
|
|
.long .L012ej1
|
||
|
|
.long .L011ej2
|
||
|
|
.long .L010ej3
|
||
|
|
.long .L008ej4
|
||
|
|
.long .L007ej5
|
||
|
|
.long .L006ej6
|
||
|
|
.long .L005ej7
|
||
|
|
.align ALIGN
|
||
|
|
.L023cbc_dec_jmp_table:
|
||
|
|
.long 0
|
||
|
|
.long .L022dj1
|
||
|
|
.long .L021dj2
|
||
|
|
.long .L020dj3
|
||
|
|
.long .L018dj4
|
||
|
|
.long .L017dj5
|
||
|
|
.long .L016dj6
|
||
|
|
.long .L015dj7
|
||
|
|
.CAST_cbc_encrypt_end:
|
||
|
|
SIZE(CAST_cbc_encrypt,.CAST_cbc_encrypt_end-CAST_cbc_encrypt)
|
||
|
|
.ident "desasm.pl"
|