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/*************************************************
* MD5 Source File *
* (C) 1999-2006 The Botan Project *
*************************************************/
#include <botan/asm_macr.h>
START_LISTING(md5core.S)
START_FUNCTION(md5_core)
SPILL_REGS()
#define PUSHED 4
ASSIGN(EBP, ARG(2)) /* input block */
ASSIGN(EDI, ARG(3)) /* expanded words */
ZEROIZE(ESI)
START_LOOP(.LOAD_INPUT)
ADD_IMM(ESI, 4)
ASSIGN(EAX, ARRAY4(EBP, 0))
ASSIGN(EBX, ARRAY4(EBP, 1))
ASSIGN(ECX, ARRAY4(EBP, 2))
ASSIGN(EDX, ARRAY4(EBP, 3))
ADD_IMM(EBP, 16)
ASSIGN(ARRAY4_INDIRECT(EDI,ESI,-4), EAX)
ASSIGN(ARRAY4_INDIRECT(EDI,ESI,-3), EBX)
ASSIGN(ARRAY4_INDIRECT(EDI,ESI,-2), ECX)
ASSIGN(ARRAY4_INDIRECT(EDI,ESI,-1), EDX)
LOOP_UNTIL(ESI, IMM(16), .LOAD_INPUT)
ASSIGN(EBP, ARG(1))
ASSIGN(EAX, ARRAY4(EBP, 0))
ASSIGN(EBX, ARRAY4(EBP, 1))
ASSIGN(ECX, ARRAY4(EBP, 2))
ASSIGN(EDX, ARRAY4(EBP, 3))
#define T EBP
#define FF(A, B, C, D, MSG, S, MAGIC) \
ASSIGN(T, C) ; \
XOR(T, D) ; \
AND(T, B) ; \
XOR(T, D) ; \
ADD(A, ARRAY4(EDI, MSG)) ; \
ADD3_IMM(A, T, MAGIC) ; \
ROTL_IMM(A, S) ; \
ADD(A, B) ;
#define GG(A, B, C, D, MSG, S, MAGIC) \
ASSIGN(T, B) ; \
XOR(T, C) ; \
AND(T, D) ; \
XOR(T, C) ; \
ADD(A, ARRAY4(EDI, MSG)) ; \
ADD3_IMM(A, T, MAGIC) ; \
ROTL_IMM(A, S) ; \
ADD(A, B) ;
#define HH(A, B, C, D, MSG, S, MAGIC) \
ASSIGN(T, B) ; \
XOR(T, C) ; \
XOR(T, D) ; \
ADD(A, ARRAY4(EDI, MSG)) ; \
ADD3_IMM(A, T, MAGIC) ; \
ROTL_IMM(A, S) ; \
ADD(A, B) ;
#define II(A, B, C, D, MSG, S, MAGIC) \
ASSIGN(T, D) ; \
NOT(T) ; \
OR(T, B) ; \
XOR(T, C) ; \
ADD(A, ARRAY4(EDI, MSG)) ; \
ADD3_IMM(A, T, MAGIC) ; \
ROTL_IMM(A, S) ; \
ADD(A, B) ;
#define A EAX
#define B EBX
#define C ECX
#define D EDX
FF(A,B,C,D, 0, 7,0xD76AA478); FF(D,A,B,C, 1,12,0xE8C7B756);
FF(C,D,A,B, 2,17,0x242070DB); FF(B,C,D,A, 3,22,0xC1BDCEEE);
FF(A,B,C,D, 4, 7,0xF57C0FAF); FF(D,A,B,C, 5,12,0x4787C62A);
FF(C,D,A,B, 6,17,0xA8304613); FF(B,C,D,A, 7,22,0xFD469501);
FF(A,B,C,D, 8, 7,0x698098D8); FF(D,A,B,C, 9,12,0x8B44F7AF);
FF(C,D,A,B,10,17,0xFFFF5BB1); FF(B,C,D,A,11,22,0x895CD7BE);
FF(A,B,C,D,12, 7,0x6B901122); FF(D,A,B,C,13,12,0xFD987193);
FF(C,D,A,B,14,17,0xA679438E); FF(B,C,D,A,15,22,0x49B40821);
GG(A,B,C,D, 1, 5,0xF61E2562); GG(D,A,B,C, 6, 9,0xC040B340);
GG(C,D,A,B,11,14,0x265E5A51); GG(B,C,D,A, 0,20,0xE9B6C7AA);
GG(A,B,C,D, 5, 5,0xD62F105D); GG(D,A,B,C,10, 9,0x02441453);
GG(C,D,A,B,15,14,0xD8A1E681); GG(B,C,D,A, 4,20,0xE7D3FBC8);
GG(A,B,C,D, 9, 5,0x21E1CDE6); GG(D,A,B,C,14, 9,0xC33707D6);
GG(C,D,A,B, 3,14,0xF4D50D87); GG(B,C,D,A, 8,20,0x455A14ED);
GG(A,B,C,D,13, 5,0xA9E3E905); GG(D,A,B,C, 2, 9,0xFCEFA3F8);
GG(C,D,A,B, 7,14,0x676F02D9); GG(B,C,D,A,12,20,0x8D2A4C8A);
HH(A,B,C,D, 5, 4,0xFFFA3942); HH(D,A,B,C, 8,11,0x8771F681);
HH(C,D,A,B,11,16,0x6D9D6122); HH(B,C,D,A,14,23,0xFDE5380C);
HH(A,B,C,D, 1, 4,0xA4BEEA44); HH(D,A,B,C, 4,11,0x4BDECFA9);
HH(C,D,A,B, 7,16,0xF6BB4B60); HH(B,C,D,A,10,23,0xBEBFBC70);
HH(A,B,C,D,13, 4,0x289B7EC6); HH(D,A,B,C, 0,11,0xEAA127FA);
HH(C,D,A,B, 3,16,0xD4EF3085); HH(B,C,D,A, 6,23,0x04881D05);
HH(A,B,C,D, 9, 4,0xD9D4D039); HH(D,A,B,C,12,11,0xE6DB99E5);
HH(C,D,A,B,15,16,0x1FA27CF8); HH(B,C,D,A, 2,23,0xC4AC5665);
II(A,B,C,D, 0, 6,0xF4292244); II(D,A,B,C, 7,10,0x432AFF97);
II(C,D,A,B,14,15,0xAB9423A7); II(B,C,D,A, 5,21,0xFC93A039);
II(A,B,C,D,12, 6,0x655B59C3); II(D,A,B,C, 3,10,0x8F0CCC92);
II(C,D,A,B,10,15,0xFFEFF47D); II(B,C,D,A, 1,21,0x85845DD1);
II(A,B,C,D, 8, 6,0x6FA87E4F); II(D,A,B,C,15,10,0xFE2CE6E0);
II(C,D,A,B, 6,15,0xA3014314); II(B,C,D,A,13,21,0x4E0811A1);
II(A,B,C,D, 4, 6,0xF7537E82); II(D,A,B,C,11,10,0xBD3AF235);
II(C,D,A,B, 2,15,0x2AD7D2BB); II(B,C,D,A, 9,21,0xEB86D391);
ASSIGN(EBP, ARG(1))
ADD(ARRAY4(EBP, 0), EAX)
ADD(ARRAY4(EBP, 1), EBX)
ADD(ARRAY4(EBP, 2), ECX)
ADD(ARRAY4(EBP, 3), EDX)
RESTORE_REGS()
END_FUNCTION(sha160_core)
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