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.text .globl _BF_encrypt .type _BF_encrypt,@function .align 4 _BF_encrypt: L_BF_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 xorl %eax,%eax movl (%ebp),%ebx xorl %ecx,%ecx xorl %ebx,%edi # Round 0 movl 4(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 1 movl 8(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 2 movl 12(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 3 movl 16(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 4 movl 20(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 5 movl 24(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 6 movl 28(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 7 movl 32(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 8 movl 36(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 9 movl 40(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 10 movl 44(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 11 movl 48(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 12 movl 52(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 13 movl 56(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 14 movl 60(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 15 movl 64(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx # Load parameter 0 (16) enc=1 movl 20(%esp),%eax xorl %ebx,%edi movl 68(%ebp),%edx xorl %edx,%esi movl %edi,4(%eax) movl %esi,(%eax) popl %edi popl %esi popl %ebx popl %ebp ret .globl _BF_decrypt .type _BF_decrypt,@function .align 4 _BF_decrypt: L_BF_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 xorl %eax,%eax movl 68(%ebp),%ebx xorl %ecx,%ecx xorl %ebx,%edi # Round 16 movl 64(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 15 movl 60(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 14 movl 56(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 13 movl 52(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 12 movl 48(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 11 movl 44(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 10 movl 40(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 9 movl 36(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 8 movl 32(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 7 movl 28(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 6 movl 24(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 5 movl 20(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 4 movl 16(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 3 movl 12(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%edi # Round 2 movl 8(%ebp),%edx movl %edi,%ebx xorl %edx,%esi shrl $16,%ebx movl %edi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx xorl %eax,%eax xorl %ebx,%esi # Round 1 movl 4(%ebp),%edx movl %esi,%ebx xorl %edx,%edi shrl $16,%ebx movl %esi,%edx movb %bh,%al andl $255,%ebx movb %dh,%cl andl $255,%edx movl 72(%ebp,%eax,4),%eax movl 1096(%ebp,%ebx,4),%ebx addl %eax,%ebx movl 2120(%ebp,%ecx,4),%eax xorl %eax,%ebx movl 3144(%ebp,%edx,4),%edx addl %edx,%ebx # Load parameter 0 (1) enc=0 movl 20(%esp),%eax xorl %ebx,%edi movl (%ebp),%edx xorl %edx,%esi movl %edi,4(%eax) movl %esi,(%eax) popl %edi popl %esi popl %ebx popl %ebp ret .globl _BF_cbc_encrypt .type _BF_cbc_encrypt,@function .align 4 _BF_cbc_encrypt: L_BF_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 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 bswap %eax bswap %ebx movl %eax,8(%esp) movl %ebx,12(%esp) call L_BF_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 L002encrypt_loop L001encrypt_finish: movl 52(%esp),%ebp andl $7,%ebp jz L003finish call L004PIC_point L004PIC_point: popl %edx leal L005cbc_enc_jmp_table-L004PIC_point(%edx),%ecx movl (%ecx,%ebp,4),%ebp addl %edx,%ebp xorl %ecx,%ecx xorl %edx,%edx jmp *%ebp L006ej7: movb 6(%esi),%dh shll $8,%edx L007ej6: movb 5(%esi),%dh L008ej5: movb 4(%esi),%dl L009ej4: movl (%esi),%ecx jmp L010ejend L011ej3: movb 2(%esi),%ch shll $8,%ecx L012ej2: movb 1(%esi),%ch L013ej1: movb (%esi),%cl L010ejend: xorl %ecx,%eax xorl %edx,%ebx bswap %eax bswap %ebx movl %eax,8(%esp) movl %ebx,12(%esp) call L_BF_encrypt_begin movl 8(%esp),%eax movl 12(%esp),%ebx bswap %eax bswap %ebx movl %eax,(%edi) movl %ebx,4(%edi) jmp L003finish L000decrypt: andl $4294967288,%ebp movl 16(%esp),%eax movl 20(%esp),%ebx jz L014decrypt_finish L015decrypt_loop: movl (%esi),%eax movl 4(%esi),%ebx bswap %eax bswap %ebx movl %eax,8(%esp) movl %ebx,12(%esp) call L_BF_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 L015decrypt_loop L014decrypt_finish: movl 52(%esp),%ebp andl $7,%ebp jz L003finish movl (%esi),%eax movl 4(%esi),%ebx bswap %eax bswap %ebx movl %eax,8(%esp) movl %ebx,12(%esp) call L_BF_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 L016dj7: rorl $16,%edx movb %dl,6(%edi) shrl $16,%edx L017dj6: movb %dh,5(%edi) L018dj5: movb %dl,4(%edi) L019dj4: movl %ecx,(%edi) jmp L020djend L021dj3: rorl $16,%ecx movb %cl,2(%edi) shll $16,%ecx L022dj2: movb %ch,1(%esi) L023dj1: movb %cl,(%esi) L020djend: jmp L003finish 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 6,0x90 L005cbc_enc_jmp_table: .long 0 .long L013ej1-L004PIC_point .long L012ej2-L004PIC_point .long L011ej3-L004PIC_point .long L009ej4-L004PIC_point .long L008ej5-L004PIC_point .long L007ej6-L004PIC_point .long L006ej7-L004PIC_point .align 6,0x90