5 .type _sha1block, @function
8 /* x = (wp[off-f] ^ wp[off-8] ^ wp[off-14] ^ wp[off-16]) <<< 1;
11 * E += 0xca62c1d6 + x;
16 #define BSWAPDI BYTE $0x0f; BYTE $0xcf;
18 #define BODY(off,FN,V,A,B,C,D,E)\
19 movl (off-64)(%ebp), %edi;\
20 xorl (off-56)(%ebp), %edi;\
21 xorl (off-32)(%ebp), %edi;\
22 xorl (off-12)(%ebp), %edi;\
24 movl %edi, off(%ebp);\
25 leal V(%edi, E, 1), E;\
33 #define BODY0(off,FN,V,A,B,C,D,E)\
34 movl off(%ebx), %edi;\
36 movl %edi, off(%ebp);\
46 * fn1 = (((C^D)&B)^D);
63 * fn3 = ((B ^ C) & (D ^= B)) ^ B
76 * void sha1block(uchar *DATA, int LEN, ulong *STATE)
83 * stack offsets for locals
86 * ulong *w15, *w40, *w60, *w80;
89 * ulong a = eax, b = ebx, c = ecx, d = edx, e = esi
92 #define WARRAY (-4-(80*4))
93 #define TMP1 (-8-(80*4))
94 #define TMP2 (-12-(80*4))
95 #define W15 (-16-(80*4))
96 #define W40 (-20-(80*4))
97 #define W60 (-24-(80*4))
98 #define W80 (-28-(80*4))
99 #define EDATA (-32-(80*4))
100 #define OLDEBX (-36-(80*4))
101 #define OLDESI (-40-(80*4))
102 #define OLDEDI (-44-(80*4))
106 mov %ebx, OLDEBX(%esp)
107 mov %esi, OLDESI(%esp)
108 mov %edi, OLDEDI(%esp)
110 movl DATA(%esp), %eax
112 movl %eax, EDATA(%esp)
114 leal (WARRAY+15*4)(%esp), %edi /* aw15 */
116 leal (WARRAY+40*4)(%esp), %edx /* aw40 */
118 leal (WARRAY+60*4)(%esp), %ecx /* aw60 */
120 leal (WARRAY+80*4)(%esp), %edi /* aw80 */
124 leal WARRAY(%esp), %ebp /* warray */
126 movl STATE(%esp), %edi /* state */
129 movl %ebx, TMP1(%esp) /* tmp1 */
134 movl DATA(%esp), %ebx /* data */
137 BODY0(0,FN1,0x5a827999,%eax,TMP1(%esp),%ecx,%edx,%esi)
139 BODY0(4,FN1,0x5a827999,%esi,%eax,TMP1(%esp),%ecx,%edx)
141 BODY0(8,FN1,0x5a827999,%edx,TMP2(%esp),%eax,%esi,%ecx)
142 BODY0(12,FN1,0x5a827999,%ecx,%edx,TMP2(%esp),%eax,%esi)
144 BODY0(16,FN1,0x5a827999,%esi,%ecx,%edx,TMP2(%esp),%eax)
149 cmpl W15(%esp), %ebp /* w15 */
152 BODY0(0,FN1,0x5a827999,%eax,TMP1(%esp),%ecx,%edx,%esi)
154 MOVL %ebx, DATA(%esp) /* data */
157 BODY(4,FN1,0x5a827999,%esi,%eax,%ebx,%ecx,%edx)
158 BODY(8,FN1,0x5a827999,%edx,%esi,%eax,%ebx,%ecx)
159 BODY(12,FN1,0x5a827999,%ecx,%edx,%esi,%eax,%ebx)
160 BODY(16,FN1,0x5a827999,%ebx,%ecx,%edx,%esi,%eax)
165 BODY(0,FN24,0x6ed9eba1,%eax,%ebx,%ecx,%edx,%esi)
166 BODY(4,FN24,0x6ed9eba1,%esi,%eax,%ebx,%ecx,%edx)
167 BODY(8,FN24,0x6ed9eba1,%edx,%esi,%eax,%ebx,%ecx)
168 BODY(12,FN24,0x6ed9eba1,%ecx,%edx,%esi,%eax,%ebx)
169 BODY(16,FN24,0x6ed9eba1,%ebx,%ecx,%edx,%esi,%eax)
176 BODY(0,FN3,0x8f1bbcdc,%eax,%ebx,%ecx,%edx,%esi)
177 BODY(4,FN3,0x8f1bbcdc,%esi,%eax,%ebx,%ecx,%edx)
178 BODY(8,FN3,0x8f1bbcdc,%edx,%esi,%eax,%ebx,%ecx)
179 BODY(12,FN3,0x8f1bbcdc,%ecx,%edx,%esi,%eax,%ebx)
180 BODY(16,FN3,0x8f1bbcdc,%ebx,%ecx,%edx,%esi,%eax)
183 cmpl W60(%esp), %ebp /* w60 */
187 BODY(0,FN24,0xca62c1d6,%eax,%ebx,%ecx,%edx,%esi)
188 BODY(4,FN24,0xca62c1d6,%esi,%eax,%ebx,%ecx,%edx)
189 BODY(8,FN24,0xca62c1d6,%edx,%esi,%eax,%ebx,%ecx)
190 BODY(12,FN24,0xca62c1d6,%ecx,%edx,%esi,%eax,%ebx)
191 BODY(16,FN24,0xca62c1d6,%ebx,%ecx,%edx,%esi,%eax)
194 cmpl W80(%esp), %ebp /* w80 */
197 movl STATE(%esp), %edi /* state */
204 movl EDATA(%esp), %edi /* edata */
205 cmpl %edi, DATA(%esp) /* data */
209 mov OLDEBX(%esp), %ebx
210 mov OLDESI(%esp), %esi
211 mov OLDEDI(%esp), %edi