| /* |
| * rfc1321 requires that I include this. The code is new. The constants |
| * all come from the rfc (hence the copyright). We trade a table for the |
| * macros in rfc. The total size is a lot less. -- presotto |
| * |
| * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All |
| * rights reserved. |
| * |
| * License to copy and use this software is granted provided that it |
| * is identified as the "RSA Data Security, Inc. MD5 Message-Digest |
| * Algorithm" in all material mentioning or referencing this software |
| * or this function. |
| * |
| * License is also granted to make and use derivative works provided |
| * that such works are identified as "derived from the RSA Data |
| * Security, Inc. MD5 Message-Digest Algorithm" in all material |
| * mentioning or referencing the derived work. |
| * |
| * RSA Data Security, Inc. makes no representations concerning either |
| * the merchantability of this software or the suitability of this |
| * software forany particular purpose. It is provided "as is" |
| * without express or implied warranty of any kind. |
| * These notices must be retained in any copies of any part of this |
| * documentation and/or software. |
| */ |
| #define S11 7 |
| #define S12 12 |
| #define S13 17 |
| #define S14 22 |
| |
| #define S21 5 |
| #define S22 9 |
| #define S23 14 |
| #define S24 20 |
| |
| #define S31 4 |
| #define S32 11 |
| #define S33 16 |
| #define S34 23 |
| |
| #define S41 6 |
| #define S42 10 |
| #define S43 15 |
| #define S44 21 |
| |
| #define PAYME(x) $##x |
| |
| /* |
| * SI is data |
| * a += FN(B,C,D); |
| * a += x[sh] + t[sh]; |
| * a = (a << S11) | (a >> (32 - S11)); |
| * a += b; |
| */ |
| |
| #define BODY1(off,V,FN,SH,A,B,C,D)\ |
| FN(B,C,D)\ |
| leal V(A, %edi, 1), A;\ |
| addl off(%ebp), A;\ |
| roll PAYME(SH), A;\ |
| addl B, A;\ |
| |
| #define BODY(off,V,FN,SH,A,B,C,D)\ |
| FN(B,C,D)\ |
| leal V(A, %edi, 1), A;\ |
| addl (off)(%ebp), A;\ |
| roll PAYME(SH), A;\ |
| addl B,A;\ |
| |
| /* |
| * fn1 = ((c ^ d) & b) ^ d |
| */ |
| #define FN1(B,C,D)\ |
| movl C, %edi;\ |
| xorl D, %edi;\ |
| andl B, %edi;\ |
| xorl D, %edi;\ |
| |
| /* |
| * fn2 = ((b ^ c) & d) ^ c; |
| */ |
| #define FN2(B,C,D)\ |
| movl B, %edi;\ |
| xorl C, %edi;\ |
| andl D, %edi;\ |
| xorl C, %edi;\ |
| |
| /* |
| * fn3 = b ^ c ^ d; |
| */ |
| #define FN3(B,C,D)\ |
| movl B, %edi;\ |
| xorl C, %edi;\ |
| xorl D, %edi;\ |
| |
| /* |
| * fn4 = c ^ (b | ~d); |
| */ |
| #define FN4(B,C,D)\ |
| movl D, %edi;\ |
| xorl $-1, %edi;\ |
| orl B, %edi;\ |
| xorl C, %edi;\ |
| |
| #define STACKSIZE 20 |
| |
| #define DATA (STACKSIZE+8) |
| #define LEN (STACKSIZE+12) |
| #define STATE (STACKSIZE+16) |
| |
| #define EDATA (STACKSIZE-4) |
| #define OLDEBX (STACKSIZE-8) |
| #define OLDESI (STACKSIZE-12) |
| #define OLDEDI (STACKSIZE-16) |
| |
| .text |
| |
| .p2align 2,0x90 |
| #ifdef __Darwin__ |
| .globl __md5block |
| __md5block: |
| #else |
| .globl _md5block |
| _md5block: |
| #endif |
| |
| /* Prelude */ |
| pushl %ebp |
| subl $(STACKSIZE), %esp |
| movl %ebx, OLDEBX(%esp) |
| movl %esi, OLDESI(%esp) |
| movl %edi, OLDEDI(%esp) |
| |
| movl DATA(%esp), %eax |
| addl LEN(%esp), %eax |
| movl %eax, EDATA(%esp) |
| |
| movl DATA(%esp), %ebp |
| |
| 0: |
| movl STATE(%esp), %esi |
| movl (%esi), %eax |
| movl 4(%esi), %ebx |
| movl 8(%esi), %ecx |
| movl 12(%esi), %edx |
| |
| BODY1( 0*4,0xd76aa478,FN1,S11,%eax,%ebx,%ecx,%edx) |
| BODY1( 1*4,0xe8c7b756,FN1,S12,%edx,%eax,%ebx,%ecx) |
| BODY1( 2*4,0x242070db,FN1,S13,%ecx,%edx,%eax,%ebx) |
| BODY1( 3*4,0xc1bdceee,FN1,S14,%ebx,%ecx,%edx,%eax) |
| |
| BODY1( 4*4,0xf57c0faf,FN1,S11,%eax,%ebx,%ecx,%edx) |
| BODY1( 5*4,0x4787c62a,FN1,S12,%edx,%eax,%ebx,%ecx) |
| BODY1( 6*4,0xa8304613,FN1,S13,%ecx,%edx,%eax,%ebx) |
| BODY1( 7*4,0xfd469501,FN1,S14,%ebx,%ecx,%edx,%eax) |
| |
| BODY1( 8*4,0x698098d8,FN1,S11,%eax,%ebx,%ecx,%edx) |
| BODY1( 9*4,0x8b44f7af,FN1,S12,%edx,%eax,%ebx,%ecx) |
| BODY1(10*4,0xffff5bb1,FN1,S13,%ecx,%edx,%eax,%ebx) |
| BODY1(11*4,0x895cd7be,FN1,S14,%ebx,%ecx,%edx,%eax) |
| |
| BODY1(12*4,0x6b901122,FN1,S11,%eax,%ebx,%ecx,%edx) |
| BODY1(13*4,0xfd987193,FN1,S12,%edx,%eax,%ebx,%ecx) |
| BODY1(14*4,0xa679438e,FN1,S13,%ecx,%edx,%eax,%ebx) |
| BODY1(15*4,0x49b40821,FN1,S14,%ebx,%ecx,%edx,%eax) |
| |
| |
| BODY( 1*4,0xf61e2562,FN2,S21,%eax,%ebx,%ecx,%edx) |
| BODY( 6*4,0xc040b340,FN2,S22,%edx,%eax,%ebx,%ecx) |
| BODY(11*4,0x265e5a51,FN2,S23,%ecx,%edx,%eax,%ebx) |
| BODY( 0*4,0xe9b6c7aa,FN2,S24,%ebx,%ecx,%edx,%eax) |
| |
| BODY( 5*4,0xd62f105d,FN2,S21,%eax,%ebx,%ecx,%edx) |
| BODY(10*4,0x02441453,FN2,S22,%edx,%eax,%ebx,%ecx) |
| BODY(15*4,0xd8a1e681,FN2,S23,%ecx,%edx,%eax,%ebx) |
| BODY( 4*4,0xe7d3fbc8,FN2,S24,%ebx,%ecx,%edx,%eax) |
| |
| BODY( 9*4,0x21e1cde6,FN2,S21,%eax,%ebx,%ecx,%edx) |
| BODY(14*4,0xc33707d6,FN2,S22,%edx,%eax,%ebx,%ecx) |
| BODY( 3*4,0xf4d50d87,FN2,S23,%ecx,%edx,%eax,%ebx) |
| BODY( 8*4,0x455a14ed,FN2,S24,%ebx,%ecx,%edx,%eax) |
| |
| BODY(13*4,0xa9e3e905,FN2,S21,%eax,%ebx,%ecx,%edx) |
| BODY( 2*4,0xfcefa3f8,FN2,S22,%edx,%eax,%ebx,%ecx) |
| BODY( 7*4,0x676f02d9,FN2,S23,%ecx,%edx,%eax,%ebx) |
| BODY(12*4,0x8d2a4c8a,FN2,S24,%ebx,%ecx,%edx,%eax) |
| |
| |
| BODY( 5*4,0xfffa3942,FN3,S31,%eax,%ebx,%ecx,%edx) |
| BODY( 8*4,0x8771f681,FN3,S32,%edx,%eax,%ebx,%ecx) |
| BODY(11*4,0x6d9d6122,FN3,S33,%ecx,%edx,%eax,%ebx) |
| BODY(14*4,0xfde5380c,FN3,S34,%ebx,%ecx,%edx,%eax) |
| |
| BODY( 1*4,0xa4beea44,FN3,S31,%eax,%ebx,%ecx,%edx) |
| BODY( 4*4,0x4bdecfa9,FN3,S32,%edx,%eax,%ebx,%ecx) |
| BODY( 7*4,0xf6bb4b60,FN3,S33,%ecx,%edx,%eax,%ebx) |
| BODY(10*4,0xbebfbc70,FN3,S34,%ebx,%ecx,%edx,%eax) |
| |
| BODY(13*4,0x289b7ec6,FN3,S31,%eax,%ebx,%ecx,%edx) |
| BODY( 0*4,0xeaa127fa,FN3,S32,%edx,%eax,%ebx,%ecx) |
| BODY( 3*4,0xd4ef3085,FN3,S33,%ecx,%edx,%eax,%ebx) |
| BODY( 6*4,0x04881d05,FN3,S34,%ebx,%ecx,%edx,%eax) |
| |
| BODY( 9*4,0xd9d4d039,FN3,S31,%eax,%ebx,%ecx,%edx) |
| BODY(12*4,0xe6db99e5,FN3,S32,%edx,%eax,%ebx,%ecx) |
| BODY(15*4,0x1fa27cf8,FN3,S33,%ecx,%edx,%eax,%ebx) |
| BODY( 2*4,0xc4ac5665,FN3,S34,%ebx,%ecx,%edx,%eax) |
| |
| |
| BODY( 0*4,0xf4292244,FN4,S41,%eax,%ebx,%ecx,%edx) |
| BODY( 7*4,0x432aff97,FN4,S42,%edx,%eax,%ebx,%ecx) |
| BODY(14*4,0xab9423a7,FN4,S43,%ecx,%edx,%eax,%ebx) |
| BODY( 5*4,0xfc93a039,FN4,S44,%ebx,%ecx,%edx,%eax) |
| |
| BODY(12*4,0x655b59c3,FN4,S41,%eax,%ebx,%ecx,%edx) |
| BODY( 3*4,0x8f0ccc92,FN4,S42,%edx,%eax,%ebx,%ecx) |
| BODY(10*4,0xffeff47d,FN4,S43,%ecx,%edx,%eax,%ebx) |
| BODY( 1*4,0x85845dd1,FN4,S44,%ebx,%ecx,%edx,%eax) |
| |
| BODY( 8*4,0x6fa87e4f,FN4,S41,%eax,%ebx,%ecx,%edx) |
| BODY(15*4,0xfe2ce6e0,FN4,S42,%edx,%eax,%ebx,%ecx) |
| BODY( 6*4,0xa3014314,FN4,S43,%ecx,%edx,%eax,%ebx) |
| BODY(13*4,0x4e0811a1,FN4,S44,%ebx,%ecx,%edx,%eax) |
| |
| BODY( 4*4,0xf7537e82,FN4,S41,%eax,%ebx,%ecx,%edx) |
| BODY(11*4,0xbd3af235,FN4,S42,%edx,%eax,%ebx,%ecx) |
| BODY( 2*4,0x2ad7d2bb,FN4,S43,%ecx,%edx,%eax,%ebx) |
| BODY( 9*4,0xeb86d391,FN4,S44,%ebx,%ecx,%edx,%eax) |
| |
| addl $(16*4), %ebp |
| movl STATE(%esp), %edi |
| addl %eax,0(%edi) |
| addl %ebx,4(%edi) |
| addl %ecx,8(%edi) |
| addl %edx,12(%edi) |
| |
| movl EDATA(%esp), %edi |
| cmpl %edi, %ebp |
| jb 0b |
| |
| /* Postlude */ |
| movl OLDEBX(%esp), %ebx |
| movl OLDESI(%esp), %esi |
| movl OLDEDI(%esp), %edi |
| addl $(STACKSIZE), %esp |
| popl %ebp |
| ret |
| |
