joyent/node

TITLE    cast-586.asm
IF @Version LT 800
ECHO MASM version 8.00 or later is strongly recommended.
ENDIF
.686
.MODEL    FLAT
OPTION    DOTNAME
IF @Version LT 800
.text$    SEGMENT PAGE 'CODE'
ELSE
.text$    SEGMENT ALIGN(64) 'CODE'
ENDIF
EXTERN    _CAST_S_table0:NEAR
EXTERN    _CAST_S_table1:NEAR
EXTERN    _CAST_S_table2:NEAR
EXTERN    _CAST_S_table3:NEAR
ALIGN    16
_CAST_encrypt    PROC PUBLIC
$L_CAST_encrypt_begin::
    ;

    push    ebp
    push    ebx
    mov    ebx,DWORD PTR 12[esp]
    mov    ebp,DWORD PTR 16[esp]
    push    esi
    push    edi
    ; Load the 2 words
    mov    edi,DWORD PTR [ebx]
    mov    esi,DWORD PTR 4[ebx]
    ; Get short key flag
    mov    eax,DWORD PTR 128[ebp]
    push    eax
    xor    eax,eax
    ; round 0
    mov    edx,DWORD PTR [ebp]
    mov    ecx,DWORD PTR 4[ebp]
    add    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    edi,ecx
    ; round 1
    mov    edx,DWORD PTR 8[ebp]
    mov    ecx,DWORD PTR 12[ebp]
    xor    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    esi,ecx
    ; round 2
    mov    edx,DWORD PTR 16[ebp]
    mov    ecx,DWORD PTR 20[ebp]
    sub    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    edi,ecx
    ; round 3
    mov    edx,DWORD PTR 24[ebp]
    mov    ecx,DWORD PTR 28[ebp]
    add    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    esi,ecx
    ; round 4
    mov    edx,DWORD PTR 32[ebp]
    mov    ecx,DWORD PTR 36[ebp]
    xor    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    edi,ecx
    ; round 5
    mov    edx,DWORD PTR 40[ebp]
    mov    ecx,DWORD PTR 44[ebp]
    sub    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    esi,ecx
    ; round 6
    mov    edx,DWORD PTR 48[ebp]
    mov    ecx,DWORD PTR 52[ebp]
    add    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    edi,ecx
    ; round 7
    mov    edx,DWORD PTR 56[ebp]
    mov    ecx,DWORD PTR 60[ebp]
    xor    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    esi,ecx
    ; round 8
    mov    edx,DWORD PTR 64[ebp]
    mov    ecx,DWORD PTR 68[ebp]
    sub    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    edi,ecx
    ; round 9
    mov    edx,DWORD PTR 72[ebp]
    mov    ecx,DWORD PTR 76[ebp]
    add    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    esi,ecx
    ; round 10
    mov    edx,DWORD PTR 80[ebp]
    mov    ecx,DWORD PTR 84[ebp]
    xor    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    edi,ecx
    ; round 11
    mov    edx,DWORD PTR 88[ebp]
    mov    ecx,DWORD PTR 92[ebp]
    sub    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    esi,ecx
    ; test short key flag
    pop    edx
    or    edx,edx
    jnz    $L000cast_enc_done
    ; round 12
    mov    edx,DWORD PTR 96[ebp]
    mov    ecx,DWORD PTR 100[ebp]
    add    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    edi,ecx
    ; round 13
    mov    edx,DWORD PTR 104[ebp]
    mov    ecx,DWORD PTR 108[ebp]
    xor    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    esi,ecx
    ; round 14
    mov    edx,DWORD PTR 112[ebp]
    mov    ecx,DWORD PTR 116[ebp]
    sub    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    edi,ecx
    ; round 15
    mov    edx,DWORD PTR 120[ebp]
    mov    ecx,DWORD PTR 124[ebp]
    add    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    esi,ecx
$L000cast_enc_done:
    nop
    mov    eax,DWORD PTR 20[esp]
    mov    DWORD PTR 4[eax],edi
    mov    DWORD PTR [eax],esi
    pop    edi
    pop    esi
    pop    ebx
    pop    ebp
    ret
_CAST_encrypt ENDP
EXTERN    _CAST_S_table0:NEAR
EXTERN    _CAST_S_table1:NEAR
EXTERN    _CAST_S_table2:NEAR
EXTERN    _CAST_S_table3:NEAR
ALIGN    16
_CAST_decrypt    PROC PUBLIC
$L_CAST_decrypt_begin::
    ;

    push    ebp
    push    ebx
    mov    ebx,DWORD PTR 12[esp]
    mov    ebp,DWORD PTR 16[esp]
    push    esi
    push    edi
    ; Load the 2 words
    mov    edi,DWORD PTR [ebx]
    mov    esi,DWORD PTR 4[ebx]
    ; Get short key flag
    mov    eax,DWORD PTR 128[ebp]
    or    eax,eax
    jnz    $L001cast_dec_skip
    xor    eax,eax
    ; round 15
    mov    edx,DWORD PTR 120[ebp]
    mov    ecx,DWORD PTR 124[ebp]
    add    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    edi,ecx
    ; round 14
    mov    edx,DWORD PTR 112[ebp]
    mov    ecx,DWORD PTR 116[ebp]
    sub    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    esi,ecx
    ; round 13
    mov    edx,DWORD PTR 104[ebp]
    mov    ecx,DWORD PTR 108[ebp]
    xor    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    edi,ecx
    ; round 12
    mov    edx,DWORD PTR 96[ebp]
    mov    ecx,DWORD PTR 100[ebp]
    add    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    esi,ecx
$L001cast_dec_skip:
    ; round 11
    mov    edx,DWORD PTR 88[ebp]
    mov    ecx,DWORD PTR 92[ebp]
    sub    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    edi,ecx
    ; round 10
    mov    edx,DWORD PTR 80[ebp]
    mov    ecx,DWORD PTR 84[ebp]
    xor    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    esi,ecx
    ; round 9
    mov    edx,DWORD PTR 72[ebp]
    mov    ecx,DWORD PTR 76[ebp]
    add    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    edi,ecx
    ; round 8
    mov    edx,DWORD PTR 64[ebp]
    mov    ecx,DWORD PTR 68[ebp]
    sub    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    esi,ecx
    ; round 7
    mov    edx,DWORD PTR 56[ebp]
    mov    ecx,DWORD PTR 60[ebp]
    xor    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    edi,ecx
    ; round 6
    mov    edx,DWORD PTR 48[ebp]
    mov    ecx,DWORD PTR 52[ebp]
    add    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    esi,ecx
    ; round 5
    mov    edx,DWORD PTR 40[ebp]
    mov    ecx,DWORD PTR 44[ebp]
    sub    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    edi,ecx
    ; round 4
    mov    edx,DWORD PTR 32[ebp]
    mov    ecx,DWORD PTR 36[ebp]
    xor    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    esi,ecx
    ; round 3
    mov    edx,DWORD PTR 24[ebp]
    mov    ecx,DWORD PTR 28[ebp]
    add    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    edi,ecx
    ; round 2
    mov    edx,DWORD PTR 16[ebp]
    mov    ecx,DWORD PTR 20[ebp]
    sub    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    sub    ecx,ebx
    xor    esi,ecx
    ; round 1
    mov    edx,DWORD PTR 8[ebp]
    mov    ecx,DWORD PTR 12[ebp]
    xor    edx,esi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    add    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    xor    ecx,ebx
    xor    edi,ecx
    ; round 0
    mov    edx,DWORD PTR [ebp]
    mov    ecx,DWORD PTR 4[ebp]
    add    edx,edi
    rol    edx,cl
    mov    ebx,edx
    xor    ecx,ecx
    mov    cl,dh
    and    ebx,255
    shr    edx,16
    xor    eax,eax
    mov    al,dh
    and    edx,255
    mov    ecx,DWORD PTR _CAST_S_table0[ecx*4]
    mov    ebx,DWORD PTR _CAST_S_table1[ebx*4]
    xor    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table2[eax*4]
    sub    ecx,ebx
    mov    ebx,DWORD PTR _CAST_S_table3[edx*4]
    add    ecx,ebx
    xor    esi,ecx
    nop
    mov    eax,DWORD PTR 20[esp]
    mov    DWORD PTR 4[eax],edi
    mov    DWORD PTR [eax],esi
    pop    edi
    pop    esi
    pop    ebx
    pop    ebp
    ret
_CAST_decrypt ENDP
ALIGN    16
_CAST_cbc_encrypt    PROC PUBLIC
$L_CAST_cbc_encrypt_begin::
    ;

    push    ebp
    push    ebx
    push    esi
    push    edi
    mov    ebp,DWORD PTR 28[esp]
    ; getting iv ptr from parameter 4
    mov    ebx,DWORD PTR 36[esp]
    mov    esi,DWORD PTR [ebx]
    mov    edi,DWORD PTR 4[ebx]
    push    edi
    push    esi
    push    edi
    push    esi
    mov    ebx,esp
    mov    esi,DWORD PTR 36[esp]
    mov    edi,DWORD PTR 40[esp]
    ; getting encrypt flag from parameter 5
    mov    ecx,DWORD PTR 56[esp]
    ; get and push parameter 3
    mov    eax,DWORD PTR 48[esp]
    push    eax
    push    ebx
    cmp    ecx,0
    jz    $L002decrypt
    and    ebp,4294967288
    mov    eax,DWORD PTR 8[esp]
    mov    ebx,DWORD PTR 12[esp]
    jz    $L003encrypt_finish
$L004encrypt_loop:
    mov    ecx,DWORD PTR [esi]
    mov    edx,DWORD PTR 4[esi]
    xor    eax,ecx
    xor    ebx,edx
    bswap    eax
    bswap    ebx
    mov    DWORD PTR 8[esp],eax
    mov    DWORD PTR 12[esp],ebx
    call    $L_CAST_encrypt_begin
    mov    eax,DWORD PTR 8[esp]
    mov    ebx,DWORD PTR 12[esp]
    bswap    eax
    bswap    ebx
    mov    DWORD PTR [edi],eax
    mov    DWORD PTR 4[edi],ebx
    add    esi,8
    add    edi,8
    sub    ebp,8
    jnz    $L004encrypt_loop
$L003encrypt_finish:
    mov    ebp,DWORD PTR 52[esp]
    and    ebp,7
    jz    $L005finish
    call    $L006PIC_point
$L006PIC_point:
    pop    edx
    lea    ecx,DWORD PTR ($L007cbc_enc_jmp_table-$L006PIC_point)[edx]
    mov    ebp,DWORD PTR [ebp*4+ecx]
    add    ebp,edx
    xor    ecx,ecx
    xor    edx,edx
    jmp    ebp
$L008ej7:
    mov    dh,BYTE PTR 6[esi]
    shl    edx,8
$L009ej6:
    mov    dh,BYTE PTR 5[esi]
$L010ej5:
    mov    dl,BYTE PTR 4[esi]
$L011ej4:
    mov    ecx,DWORD PTR [esi]
    jmp    $L012ejend
$L013ej3:
    mov    ch,BYTE PTR 2[esi]
    shl    ecx,8
$L014ej2:
    mov    ch,BYTE PTR 1[esi]
$L015ej1:
    mov    cl,BYTE PTR [esi]
$L012ejend:
    xor    eax,ecx
    xor    ebx,edx
    bswap    eax
    bswap    ebx
    mov    DWORD PTR 8[esp],eax
    mov    DWORD PTR 12[esp],ebx
    call    $L_CAST_encrypt_begin
    mov    eax,DWORD PTR 8[esp]
    mov    ebx,DWORD PTR 12[esp]
    bswap    eax
    bswap    ebx
    mov    DWORD PTR [edi],eax
    mov    DWORD PTR 4[edi],ebx
    jmp    $L005finish
$L002decrypt:
    and    ebp,4294967288
    mov    eax,DWORD PTR 16[esp]
    mov    ebx,DWORD PTR 20[esp]
    jz    $L016decrypt_finish
$L017decrypt_loop:
    mov    eax,DWORD PTR [esi]
    mov    ebx,DWORD PTR 4[esi]
    bswap    eax
    bswap    ebx
    mov    DWORD PTR 8[esp],eax
    mov    DWORD PTR 12[esp],ebx
    call    $L_CAST_decrypt_begin
    mov    eax,DWORD PTR 8[esp]
    mov    ebx,DWORD PTR 12[esp]
    bswap    eax
    bswap    ebx
    mov    ecx,DWORD PTR 16[esp]
    mov    edx,DWORD PTR 20[esp]
    xor    ecx,eax
    xor    edx,ebx
    mov    eax,DWORD PTR [esi]
    mov    ebx,DWORD PTR 4[esi]
    mov    DWORD PTR [edi],ecx
    mov    DWORD PTR 4[edi],edx
    mov    DWORD PTR 16[esp],eax
    mov    DWORD PTR 20[esp],ebx
    add    esi,8
    add    edi,8
    sub    ebp,8
    jnz    $L017decrypt_loop
$L016decrypt_finish:
    mov    ebp,DWORD PTR 52[esp]
    and    ebp,7
    jz    $L005finish
    mov    eax,DWORD PTR [esi]
    mov    ebx,DWORD PTR 4[esi]
    bswap    eax
    bswap    ebx
    mov    DWORD PTR 8[esp],eax
    mov    DWORD PTR 12[esp],ebx
    call    $L_CAST_decrypt_begin
    mov    eax,DWORD PTR 8[esp]
    mov    ebx,DWORD PTR 12[esp]
    bswap    eax
    bswap    ebx
    mov    ecx,DWORD PTR 16[esp]
    mov    edx,DWORD PTR 20[esp]
    xor    ecx,eax
    xor    edx,ebx
    mov    eax,DWORD PTR [esi]
    mov    ebx,DWORD PTR 4[esi]
$L018dj7:
    ror    edx,16
    mov    BYTE PTR 6[edi],dl
    shr    edx,16
$L019dj6:
    mov    BYTE PTR 5[edi],dh
$L020dj5:
    mov    BYTE PTR 4[edi],dl
$L021dj4:
    mov    DWORD PTR [edi],ecx
    jmp    $L022djend
$L023dj3:
    ror    ecx,16
    mov    BYTE PTR 2[edi],cl
    shl    ecx,16
$L024dj2:
    mov    BYTE PTR 1[esi],ch
$L025dj1:
    mov    BYTE PTR [esi],cl
$L022djend:
    jmp    $L005finish
$L005finish:
    mov    ecx,DWORD PTR 60[esp]
    add    esp,24
    mov    DWORD PTR [ecx],eax
    mov    DWORD PTR 4[ecx],ebx
    pop    edi
    pop    esi
    pop    ebx
    pop    ebp
    ret
ALIGN    64
$L007cbc_enc_jmp_table:
DD    0
DD    $L015ej1-$L006PIC_point
DD    $L014ej2-$L006PIC_point
DD    $L013ej3-$L006PIC_point
DD    $L011ej4-$L006PIC_point
DD    $L010ej5-$L006PIC_point
DD    $L009ej6-$L006PIC_point
DD    $L008ej7-$L006PIC_point
ALIGN    64
_CAST_cbc_encrypt ENDP
.text$    ENDS
END