diff options
Diffstat (limited to 'mdk-stage1/dietlibc/i386/md5asm.S')
-rw-r--r-- | mdk-stage1/dietlibc/i386/md5asm.S | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/mdk-stage1/dietlibc/i386/md5asm.S b/mdk-stage1/dietlibc/i386/md5asm.S deleted file mode 100644 index a99a92934..000000000 --- a/mdk-stage1/dietlibc/i386/md5asm.S +++ /dev/null @@ -1,300 +0,0 @@ -#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 F(x, y, z) (x & y) + (~x & z) = x&y + (z - z&x) = z + y&x - z&x -//#define F(x, y, z) movl x,%ebx; movl x,%eax; notl %ebx; andl y,%eax; andl z,%ebx; addl %ebx,%eax -#define F(x, y, z) movl y,%eax; movl z,%ebx; andl x,%eax; andl x,%ebx; addl z,%eax; subl %ebx,%eax - -// #define G(x, y, z) (x & z) + (y & ~z) = x&z + (y - y&z) = y + x&z - y&z -#define G(x, y, z) movl z,%ebx; movl z,%eax; notl %ebx; andl x,%eax; andl y,%ebx; addl %ebx,%eax -//#define G(x, y, z) movl x,%eax; movl y,%ebx; andl z,%eax; andl z,%ebx; addl y,%eax; subl %ebx,%eax -//#define G(x, y, z) movl z,%eax; movl z,%ebx; andl x,%eax; andl y,%ebx; addl y,%eax; subl %ebx,%eax - -// #define H(x, y, z) x ^ y ^ z -#define H(x, y, z) movl z,%eax; xorl y,%eax; xorl x,%eax - -// #define I(x, y, z) y ^ (x | ~z) -#define I(x, y, z) movl z,%eax; notl %eax; orl x,%eax; xorl y,%eax - - -// #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) -#define ROTATE_LEFT(x, n) roll $n,x - -// #define FF(a, b, c, d, x, s, ac) { (a) += F (b, c, d) + (x) + (word)(ac); (a) = ROTATE_LEFT (a, s); (a) += (b); } -// #define GG(a, b, c, d, x, s, ac) { (a) += G (b, c, d) + (x) + (word)(ac); (a) = ROTATE_LEFT (a, s); (a) += (b); } -// #define HH(a, b, c, d, x, s, ac) { (a) += H (b, c, d) + (x) + (word)(ac); (a) = ROTATE_LEFT (a, s); (a) += (b); } -// #define II(a, b, c, d, x, s, ac) { (a) += I (b, c, d) + (x) + (word)(ac); (a) = ROTATE_LEFT (a, s); (a) += (b); } - -#define FF(a, b, c, d, x, s, ac) addl x, a; addl $ac,a; F (b, c, d); addl %eax,a; roll $s,a; addl b,a -#define GG(a, b, c, d, x, s, ac) addl x, a; addl $ac,a; G (b, c, d); addl %eax,a; roll $s,a; addl b,a -#define HH(a, b, c, d, x, s, ac) addl x, a; addl $ac,a; H (b, c, d); addl %eax,a; roll $s,a; addl b,a -#define II(a, b, c, d, x, s, ac) addl x, a; addl $ac,a; I (b, c, d); addl %eax,a; roll $s,a; addl b,a - - -// // x is ecx -// word a = state [0]; // a is edx -// word b = state [1]; // b is esi -// word c = state [2]; // c is edi -// word d = state [3]; // d is ebp - -#define X(n) 4*(n)(%ecx) -#define X0 (%ecx) -#define a %edx -#define b %esi -#define c %edi -#define d %ebp - - - -/* MD5 basic transformation: Transforms state based on data block */ - -// void __MD5Transform ( word state[4], const word* x, size_t repeat ) - -.text -.type __MD5Transform, @function -.align 32 -.global __MD5Transform - - .align 32 -.Lrepeat: - - /* Round 1 */ - FF (a, b, c, d, X0 , S11, 0xd76aa478); /* 1 */ - FF (d, a, b, c, X( 1), S12, 0xe8c7b756); /* 2 */ - FF (c, d, a, b, X( 2), S13, 0x242070db); /* 3 */ - FF (b, c, d, a, X( 3), S14, 0xc1bdceee); /* 4 */ - FF (a, b, c, d, X( 4), S11, 0xf57c0faf); /* 5 */ - FF (d, a, b, c, X( 5), S12, 0x4787c62a); /* 6 */ - FF (c, d, a, b, X( 6), S13, 0xa8304613); /* 7 */ - FF (b, c, d, a, X( 7), S14, 0xfd469501); /* 8 */ - FF (a, b, c, d, X( 8), S11, 0x698098d8); /* 9 */ - FF (d, a, b, c, X( 9), S12, 0x8b44f7af); /* 10 */ - FF (c, d, a, b, X(10), S13, 0xffff5bb1); /* 11 */ - FF (b, c, d, a, X(11), S14, 0x895cd7be); /* 12 */ - FF (a, b, c, d, X(12), S11, 0x6b901122); /* 13 */ - FF (d, a, b, c, X(13), S12, 0xfd987193); /* 14 */ - FF (c, d, a, b, X(14), S13, 0xa679438e); /* 15 */ - FF (b, c, d, a, X(15), S14, 0x49b40821); /* 16 */ - - /* Round 2 */ - GG (a, b, c, d, X( 1), S21, 0xf61e2562); /* 17 */ - GG (d, a, b, c, X( 6), S22, 0xc040b340); /* 18 */ - GG (c, d, a, b, X(11), S23, 0x265e5a51); /* 19 */ - GG (b, c, d, a, X0 , S24, 0xe9b6c7aa); /* 20 */ - GG (a, b, c, d, X( 5), S21, 0xd62f105d); /* 21 */ - GG (d, a, b, c, X(10), S22, 0x02441453); /* 22 */ - GG (c, d, a, b, X(15), S23, 0xd8a1e681); /* 23 */ - GG (b, c, d, a, X( 4), S24, 0xe7d3fbc8); /* 24 */ - GG (a, b, c, d, X( 9), S21, 0x21e1cde6); /* 25 */ - GG (d, a, b, c, X(14), S22, 0xc33707d6); /* 26 */ - GG (c, d, a, b, X( 3), S23, 0xf4d50d87); /* 27 */ - GG (b, c, d, a, X( 8), S24, 0x455a14ed); /* 28 */ - GG (a, b, c, d, X(13), S21, 0xa9e3e905); /* 29 */ - GG (d, a, b, c, X( 2), S22, 0xfcefa3f8); /* 30 */ - GG (c, d, a, b, X( 7), S23, 0x676f02d9); /* 31 */ - GG (b, c, d, a, X(12), S24, 0x8d2a4c8a); /* 32 */ - - /* Round 3 */ - HH (a, b, c, d, X( 5), S31, 0xfffa3942); /* 33 */ - HH (d, a, b, c, X( 8), S32, 0x8771f681); /* 34 */ - HH (c, d, a, b, X(11), S33, 0x6d9d6122); /* 35 */ - HH (b, c, d, a, X(14), S34, 0xfde5380c); /* 36 */ - HH (a, b, c, d, X( 1), S31, 0xa4beea44); /* 37 */ - HH (d, a, b, c, X( 4), S32, 0x4bdecfa9); /* 38 */ - HH (c, d, a, b, X( 7), S33, 0xf6bb4b60); /* 39 */ - HH (b, c, d, a, X(10), S34, 0xbebfbc70); /* 40 */ - HH (a, b, c, d, X(13), S31, 0x289b7ec6); /* 41 */ - HH (d, a, b, c, X0 , S32, 0xeaa127fa); /* 42 */ - HH (c, d, a, b, X( 3), S33, 0xd4ef3085); /* 43 */ - HH (b, c, d, a, X( 6), S34, 0x04881d05); /* 44 */ - HH (a, b, c, d, X( 9), S31, 0xd9d4d039); /* 45 */ - HH (d, a, b, c, X(12), S32, 0xe6db99e5); /* 46 */ - HH (c, d, a, b, X(15), S33, 0x1fa27cf8); /* 47 */ - HH (b, c, d, a, X( 2), S34, 0xc4ac5665); /* 48 */ - - /* Round 4 */ - II (a, b, c, d, X0 , S41, 0xf4292244); /* 49 */ - II (d, a, b, c, X( 7), S42, 0x432aff97); /* 50 */ - II (c, d, a, b, X(14), S43, 0xab9423a7); /* 51 */ - II (b, c, d, a, X( 5), S44, 0xfc93a039); /* 52 */ - II (a, b, c, d, X(12), S41, 0x655b59c3); /* 53 */ - II (d, a, b, c, X( 3), S42, 0x8f0ccc92); /* 54 */ - II (c, d, a, b, X(10), S43, 0xffeff47d); /* 55 */ - II (b, c, d, a, X( 1), S44, 0x85845dd1); /* 56 */ - II (a, b, c, d, X( 8), S41, 0x6fa87e4f); /* 57 */ - II (d, a, b, c, X(15), S42, 0xfe2ce6e0); /* 58 */ - II (c, d, a, b, X( 6), S43, 0xa3014314); /* 59 */ - II (b, c, d, a, X(13), S44, 0x4e0811a1); /* 60 */ - II (a, b, c, d, X( 4), S41, 0xf7537e82); /* 61 */ - II (d, a, b, c, X(11), S42, 0xbd3af235); /* 62 */ - II (c, d, a, b, X( 2), S43, 0x2ad7d2bb); /* 63 */ - II (b, c, d, a, X( 9), S44, 0xeb86d391); /* 64 */ - -// state [0] += a; -// state [1] += b; -// state [2] += c; -// state [3] += d; - - addl $64,%ecx - - movl 4+32(%esp),%eax // state - addl (%eax),a - addl 4(%eax),b - addl 8(%eax),c - addl 12(%eax),d - movl a, (%eax) - movl b, 4(%eax) - movl c, 8(%eax) - movl d,12(%eax) - -.Lstart: - decl 12+32(%esp) - jns .Lrepeat - - popal - ret - -__MD5Transform: -__MD5TransformLocal: - pushal - movl 8+32(%esp),%ecx // x - movl 4+32(%esp),%eax // state - movl (%eax),a - movl 4(%eax),b - movl 8(%eax),c - movl 12(%eax),d - jmp .Lstart - -.Lende: -.size __MD5Transform, .Lende-__MD5Transform - -.type MD5Init,@function -.global MD5Init - -MD5Init: - movl 4(%esp), %ecx - xorl %eax,%eax - movl $0x67452301, (%ecx) - movl $0xefcdab89, 4(%ecx) - movl $0x98badcfe, 8(%ecx) - movl $0x10325476, 12(%ecx) - movl %eax, 16(%ecx) - movl %eax, 20(%ecx) - ret - - -.global MD5Update -.type MD5Update,@function - - -// void MD5Update ( MD5_CTX* context, const byte* input, size_t inputBytes ) - -#define CONTEXT 4+32(%esp) -#define INPUT 8+32(%esp) -#define INPUTBYTES 12+32(%esp) - -#define COUNT 16(%ebx) -#define BUFFER 24(%ebx) - - -MD5Update: - pushal - cld - movl CONTEXT, %ebx - -// ByteIndex = (context->count[0] >> 3) & 0x3F; - - movl COUNT, %ebp - shrl $3, %ebp - andl $63,%ebp // ebp = ByteIndex - -// if ( (context->count[0] += inputBytes << 3 ) < (inputBytes << 3) ) -// context->count[1]++; -// context->count[1] += inputBytes >> (32-3); - - movl $8, %eax - mull INPUTBYTES - addl %eax, 0+COUNT - adcl %edx, 4+COUNT - -// partLen = 64 - ByteIndex; - - movl $64, %eax - subl %ebp, %eax // eax = partLen - -// i = 0; -// if ( partLen <= inputBytes ) { - - xorl %ecx,%ecx // ecx = i - cmpl INPUTBYTES, %eax - ja .Lende2 - -// memcpy ( context->buffer + ByteIndex, input, partLen ); - - leal 24(%ebx,%ebp,1), %edi - movl INPUT, %esi - movl %eax, %ecx - rep movsb - -// MD5Transform ( context->state, context->buffer, 1 ); - - pushl $1 - leal BUFFER, %ecx - pushl %ecx - push %ebx - call __MD5TransformLocal - -// len = (inputBytes - partLen) / 64; - - movl 12+INPUTBYTES, %ecx - subl %eax, %ecx - shrl $6, %ecx - -// MD5Transform ( context->state, input+partLen, len ); - - pushl %ecx - pushl %esi - pushl %ebx - call __MD5TransformLocal - addl $24,%esp - -// i = partLen + 64 * len; -// ByteIndex = 0; - - shll $6, %ecx - addl %eax, %ecx - xorl %ebp, %ebp - -.Lende2: - -// } -// memcpy ( context->buffer + ByteIndex, input + i, inputBytes - i ); - - movl INPUT, %esi - addl %ecx, %esi - - negl %ecx - addl INPUTBYTES, %ecx - - leal 24(%ebx,%ebp,1), %edi - rep movsb - - popal - ret - - |