📄 c-sol.s
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/ Don't even think of reading this code / It was automatically generated by cast-586.pl / Which is a perl program used to generate the x86 assember for / any of elf, a.out, BSDI, Win32, gaswin (for GNU as on Win32) or Solaris / eric <eay@cryptsoft.com> .file "cast-586.s" .version "01.01"gcc2_compiled.:.text .align 16.globl CAST_encrypt .type CAST_encrypt,@functionCAST_encrypt: 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.CAST_encrypt_end: .size CAST_encrypt,.CAST_encrypt_end-CAST_encrypt.ident "CAST_encrypt".text .align 16.globl CAST_decrypt .type CAST_decrypt,@functionCAST_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 / 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:⌨️ 快捷键说明
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