diff options
Diffstat (limited to 'crypto/cast/asm/cx86unix.cpp')
| -rw-r--r-- | crypto/cast/asm/cx86unix.cpp | 1010 |
1 files changed, 1010 insertions, 0 deletions
diff --git a/crypto/cast/asm/cx86unix.cpp b/crypto/cast/asm/cx86unix.cpp new file mode 100644 index 0000000000..035692a5af --- /dev/null +++ b/crypto/cast/asm/cx86unix.cpp @@ -0,0 +1,1010 @@ +/* Run the C pre-processor over this file with one of the following defined + * ELF - elf object files, + * OUT - a.out object files, + * BSDI - BSDI style a.out object files + * SOL - Solaris style elf + */ + +#define TYPE(a,b) .type a,b +#define SIZE(a,b) .size a,b + +#if defined(OUT) || defined(BSDI) +#define CAST_S_table0 _CAST_S_table0 +#define CAST_S_table1 _CAST_S_table1 +#define CAST_S_table2 _CAST_S_table2 +#define CAST_S_table3 _CAST_S_table3 +#define CAST_encrypt _CAST_encrypt +#define CAST_S_table0 _CAST_S_table0 +#define CAST_S_table1 _CAST_S_table1 +#define CAST_S_table2 _CAST_S_table2 +#define CAST_S_table3 _CAST_S_table3 +#define CAST_decrypt _CAST_decrypt +#define CAST_cbc_encrypt _CAST_cbc_encrypt + +#endif + +#ifdef OUT +#define OK 1 +#define ALIGN 4 +#endif + +#ifdef BSDI +#define OK 1 +#define ALIGN 4 +#undef SIZE +#undef TYPE +#define SIZE(a,b) +#define TYPE(a,b) +#endif + +#if defined(ELF) || defined(SOL) +#define OK 1 +#define ALIGN 16 +#endif + +#ifndef OK +You need to define one of +ELF - elf systems - linux-elf, NetBSD and DG-UX +OUT - a.out systems - linux-a.out and FreeBSD +SOL - solaris systems, which are elf with strange comment lines +BSDI - a.out with a very primative version of as. +#endif + +/* Let the Assembler begin :-) */ + /* 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, or Solaris */ + /* eric <eay@cryptsoft.com> */ + + .file "cast-586.s" + .version "01.01" +gcc2_compiled.: +.text + .align ALIGN +.globl CAST_encrypt + TYPE(CAST_encrypt,@function) +CAST_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 + 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 + /* 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" |