diff options
Diffstat (limited to 'modules/asm_ia32/md4core.S')
| -rw-r--r-- | modules/asm_ia32/md4core.S | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/modules/asm_ia32/md4core.S b/modules/asm_ia32/md4core.S new file mode 100644 index 000000000..662e9924a --- /dev/null +++ b/modules/asm_ia32/md4core.S @@ -0,0 +1,135 @@ +/************************************************* +* MD4 Source File * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#include <botan/asm_macr.h> + +START_LISTING(md4core.S) + +START_FUNCTION(md4_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_EQ(ESI, 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 MSG EDI +#define T1 ESI +#define T2 EBP + +#define FF(A, B, C, D, N, S) \ + ASSIGN(T1, ARRAY4(MSG, N)) ; \ + ASSIGN(T2, C) ; \ + XOR(T2, D) ; \ + AND(T2, B) ; \ + XOR(T2, D) ; \ + ADD(A, T1) ; \ + ADD(A, T2) ; \ + ROTL_IMM(A, S) ; + +#define GG(A, B, C, D, N, S) \ + ASSIGN(T1, ARRAY4(MSG, N)) ; \ + ASSIGN(T2, B) ; \ + OR(T2, C) ; \ + AND(T2, D) ; \ + ADD3_IMM(A, T1, 0x5A827999) ; \ + ASSIGN(T1, B) ; \ + AND(T1, C) ; \ + OR(T2, T1) ; \ + ADD(A, T2) ; \ + ROTL_IMM(A, S) ; + +#define HH(A, B, C, D, N, S) \ + ASSIGN(T1, ARRAY4(MSG, N)) ; \ + ASSIGN(T2, B) ; \ + XOR(T2, C) ; \ + XOR(T2, D) ; \ + ADD3_IMM(A, T1, 0x6ED9EBA1) ; \ + ADD(A, T2) ; \ + ROTL_IMM(A, S) ; + + FF(EAX,EBX,ECX,EDX, 0, 3); + FF(EDX,EAX,EBX,ECX, 1, 7); + FF(ECX,EDX,EAX,EBX, 2,11); + FF(EBX,ECX,EDX,EAX, 3,19); + FF(EAX,EBX,ECX,EDX, 4, 3); + FF(EDX,EAX,EBX,ECX, 5, 7); + FF(ECX,EDX,EAX,EBX, 6,11); + FF(EBX,ECX,EDX,EAX, 7,19); + FF(EAX,EBX,ECX,EDX, 8, 3); + FF(EDX,EAX,EBX,ECX, 9, 7); + FF(ECX,EDX,EAX,EBX,10,11); + FF(EBX,ECX,EDX,EAX,11,19); + FF(EAX,EBX,ECX,EDX,12, 3); + FF(EDX,EAX,EBX,ECX,13, 7); + FF(ECX,EDX,EAX,EBX,14,11); + FF(EBX,ECX,EDX,EAX,15,19); + + GG(EAX,EBX,ECX,EDX, 0, 3); + GG(EDX,EAX,EBX,ECX, 4, 5); + GG(ECX,EDX,EAX,EBX, 8, 9); + GG(EBX,ECX,EDX,EAX,12,13); + GG(EAX,EBX,ECX,EDX, 1, 3); + GG(EDX,EAX,EBX,ECX, 5, 5); + GG(ECX,EDX,EAX,EBX, 9, 9); + GG(EBX,ECX,EDX,EAX,13,13); + GG(EAX,EBX,ECX,EDX, 2, 3); + GG(EDX,EAX,EBX,ECX, 6, 5); + GG(ECX,EDX,EAX,EBX,10, 9); + GG(EBX,ECX,EDX,EAX,14,13); + GG(EAX,EBX,ECX,EDX, 3, 3); + GG(EDX,EAX,EBX,ECX, 7, 5); + GG(ECX,EDX,EAX,EBX,11, 9); + GG(EBX,ECX,EDX,EAX,15,13); + + HH(EAX,EBX,ECX,EDX, 0, 3); + HH(EDX,EAX,EBX,ECX, 8, 9); + HH(ECX,EDX,EAX,EBX, 4,11); + HH(EBX,ECX,EDX,EAX,12,15); + HH(EAX,EBX,ECX,EDX, 2, 3); + HH(EDX,EAX,EBX,ECX,10, 9); + HH(ECX,EDX,EAX,EBX, 6,11); + HH(EBX,ECX,EDX,EAX,14,15); + HH(EAX,EBX,ECX,EDX, 1, 3); + HH(EDX,EAX,EBX,ECX, 9, 9); + HH(ECX,EDX,EAX,EBX, 5,11); + HH(EBX,ECX,EDX,EAX,13,15); + HH(EAX,EBX,ECX,EDX, 3, 3); + HH(EDX,EAX,EBX,ECX,11, 9); + HH(ECX,EDX,EAX,EBX, 7,11); + HH(EBX,ECX,EDX,EAX,15,15); + + 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(md4_core) |