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  1 a25e7f2f 2004-04-21 devnull .text

  2 a25e7f2f 2004-04-21 devnull 

  3 a25e7f2f 2004-04-21 devnull .p2align 2,0x90

  4 54b59fd1 2006-04-21 devnull #ifdef __Darwin__

  5 54b59fd1 2006-04-21 devnull .globl __sha1block

  6 54b59fd1 2006-04-21 devnull __sha1block:

  7 54b59fd1 2006-04-21 devnull #else

  8 a25e7f2f 2004-04-21 devnull .globl _sha1block

  9 a25e7f2f 2004-04-21 devnull _sha1block:

 10 54b59fd1 2006-04-21 devnull #endif

 11 a25e7f2f 2004-04-21 devnull 

 12 a25e7f2f 2004-04-21 devnull /* x = (wp[off-f] ^ wp[off-8] ^ wp[off-14] ^ wp[off-16]) <<< 1;

 13 a25e7f2f 2004-04-21 devnull  * wp[off] = x;

 14 a25e7f2f 2004-04-21 devnull  * x += A <<< 5;

 15 a25e7f2f 2004-04-21 devnull  * E += 0xca62c1d6 + x;

 16 a25e7f2f 2004-04-21 devnull  * x = FN(B,C,D);

 17 a25e7f2f 2004-04-21 devnull  * E += x;

 18 a25e7f2f 2004-04-21 devnull  * B >>> 2

 19 a25e7f2f 2004-04-21 devnull  */

 20 a25e7f2f 2004-04-21 devnull #define BSWAPDI	BYTE $0x0f; BYTE $0xcf;

 21 a25e7f2f 2004-04-21 devnull 

 22 a25e7f2f 2004-04-21 devnull #define BODY(off,FN,V,A,B,C,D,E)\

 23 a25e7f2f 2004-04-21 devnull 	movl (off-64)(%ebp), %edi;\

 24 a25e7f2f 2004-04-21 devnull 	xorl (off-56)(%ebp), %edi;\

 25 a25e7f2f 2004-04-21 devnull 	xorl (off-32)(%ebp), %edi;\

 26 a25e7f2f 2004-04-21 devnull 	xorl (off-12)(%ebp), %edi;\

 27 a25e7f2f 2004-04-21 devnull 	roll $1, %edi;\

 28 a25e7f2f 2004-04-21 devnull 	movl %edi, off(%ebp);\

 29 a25e7f2f 2004-04-21 devnull 	leal V(%edi, E, 1), E;\

 30 a25e7f2f 2004-04-21 devnull 	movl A, %edi;\

 31 a25e7f2f 2004-04-21 devnull 	roll $5, %edi;\

 32 a25e7f2f 2004-04-21 devnull 	addl %edi, E;\

 33 a25e7f2f 2004-04-21 devnull 	FN(B,C,D)\

 34 a25e7f2f 2004-04-21 devnull 	addl %edi, E;\

 35 a25e7f2f 2004-04-21 devnull 	rorl $2, B;\

 36 a25e7f2f 2004-04-21 devnull 

 37 a25e7f2f 2004-04-21 devnull #define BODY0(off,FN,V,A,B,C,D,E)\

 38 a25e7f2f 2004-04-21 devnull 	movl off(%ebx), %edi;\

 39 a25e7f2f 2004-04-21 devnull 	bswap %edi;\

 40 a25e7f2f 2004-04-21 devnull 	movl %edi, off(%ebp);\

 41 a25e7f2f 2004-04-21 devnull 	leal V(%edi,E,1), E;\

 42 a25e7f2f 2004-04-21 devnull 	movl A, %edi;\

 43 a25e7f2f 2004-04-21 devnull 	roll $5,%edi;\

 44 a25e7f2f 2004-04-21 devnull 	addl %edi,E;\

 45 a25e7f2f 2004-04-21 devnull 	FN(B,C,D)\

 46 a25e7f2f 2004-04-21 devnull 	addl %edi,E;\

 47 a25e7f2f 2004-04-21 devnull 	rorl $2,B;\

 48 a25e7f2f 2004-04-21 devnull 

 49 a25e7f2f 2004-04-21 devnull /*

 50 a25e7f2f 2004-04-21 devnull  * fn1 = (((C^D)&B)^D);

 51 a25e7f2f 2004-04-21 devnull  */

 52 a25e7f2f 2004-04-21 devnull #define FN1(B,C,D)\

 53 a25e7f2f 2004-04-21 devnull 	movl C, %edi;\

 54 a25e7f2f 2004-04-21 devnull 	xorl D, %edi;\

 55 a25e7f2f 2004-04-21 devnull 	andl B, %edi;\

 56 a25e7f2f 2004-04-21 devnull 	xorl D, %edi;\

 57 a25e7f2f 2004-04-21 devnull 

 58 a25e7f2f 2004-04-21 devnull /*

 59 a25e7f2f 2004-04-21 devnull  * fn24 = B ^ C ^ D

 60 a25e7f2f 2004-04-21 devnull  */

 61 a25e7f2f 2004-04-21 devnull #define FN24(B,C,D)\

 62 a25e7f2f 2004-04-21 devnull 	movl B, %edi;\

 63 a25e7f2f 2004-04-21 devnull 	xorl C, %edi;\

 64 a25e7f2f 2004-04-21 devnull 	xorl D, %edi;\

 65 a25e7f2f 2004-04-21 devnull 

 66 a25e7f2f 2004-04-21 devnull /*

 67 a25e7f2f 2004-04-21 devnull  * fn3 = ((B ^ C) & (D ^= B)) ^ B

 68 a25e7f2f 2004-04-21 devnull  * D ^= B to restore D

 69 a25e7f2f 2004-04-21 devnull  */

 70 a25e7f2f 2004-04-21 devnull #define FN3(B,C,D)\

 71 a25e7f2f 2004-04-21 devnull 	movl B, %edi;\

 72 a25e7f2f 2004-04-21 devnull 	xorl C, %edi;\

 73 a25e7f2f 2004-04-21 devnull 	xorl B, D;\

 74 a25e7f2f 2004-04-21 devnull 	andl D, %edi;\

 75 a25e7f2f 2004-04-21 devnull 	xorl B, %edi;\

 76 a25e7f2f 2004-04-21 devnull 	xorl B, D;\

 77 a25e7f2f 2004-04-21 devnull 

 78 a25e7f2f 2004-04-21 devnull /*

 79 a25e7f2f 2004-04-21 devnull  * stack offsets

 80 a25e7f2f 2004-04-21 devnull  * void sha1block(uchar *DATA, int LEN, ulong *STATE)

 81 a25e7f2f 2004-04-21 devnull  */

 82 2f05c0e8 2004-05-09 devnull #define STACKSIZE (48+80*4)

 83 2f05c0e8 2004-05-09 devnull #define	DATA	(STACKSIZE+8)

 84 2f05c0e8 2004-05-09 devnull #define	LEN	(STACKSIZE+12)

 85 2f05c0e8 2004-05-09 devnull #define	STATE	(STACKSIZE+16)

 86 a25e7f2f 2004-04-21 devnull 

 87 a25e7f2f 2004-04-21 devnull /*

 88 a25e7f2f 2004-04-21 devnull  * stack offsets for locals

 89 a25e7f2f 2004-04-21 devnull  * ulong w[80];

 90 a25e7f2f 2004-04-21 devnull  * uchar *edata;

 91 a25e7f2f 2004-04-21 devnull  * ulong *w15, *w40, *w60, *w80;

 92 a25e7f2f 2004-04-21 devnull  * register local

 93 a25e7f2f 2004-04-21 devnull  * ulong *wp = %ebp

 94 a25e7f2f 2004-04-21 devnull  * ulong a = eax, b = ebx, c = ecx, d = edx, e = esi

 95 a25e7f2f 2004-04-21 devnull  * ulong tmp = edi

 96 a25e7f2f 2004-04-21 devnull  */

 97 2f05c0e8 2004-05-09 devnull #define WARRAY	(STACKSIZE-4-(80*4))

 98 2f05c0e8 2004-05-09 devnull #define TMP1	(STACKSIZE-8-(80*4))

 99 2f05c0e8 2004-05-09 devnull #define TMP2	(STACKSIZE-12-(80*4))

100 2f05c0e8 2004-05-09 devnull #define W15	(STACKSIZE-16-(80*4))

101 2f05c0e8 2004-05-09 devnull #define W40	(STACKSIZE-20-(80*4))

102 2f05c0e8 2004-05-09 devnull #define W60	(STACKSIZE-24-(80*4))

103 2f05c0e8 2004-05-09 devnull #define W80	(STACKSIZE-28-(80*4))

104 2f05c0e8 2004-05-09 devnull #define EDATA	(STACKSIZE-32-(80*4))

105 2f05c0e8 2004-05-09 devnull #define OLDEBX	(STACKSIZE-36-(80*4))

106 2f05c0e8 2004-05-09 devnull #define OLDESI	(STACKSIZE-40-(80*4))

107 2f05c0e8 2004-05-09 devnull #define OLDEDI	(STACKSIZE-44-(80*4))

108 a25e7f2f 2004-04-21 devnull 

109 a25e7f2f 2004-04-21 devnull 	/* Prelude */

110 a25e7f2f 2004-04-21 devnull 	pushl %ebp

111 2f05c0e8 2004-05-09 devnull 	subl $(STACKSIZE), %esp

112 2f05c0e8 2004-05-09 devnull 

113 a25e7f2f 2004-04-21 devnull 	mov %ebx, OLDEBX(%esp)

114 a25e7f2f 2004-04-21 devnull 	mov %esi, OLDESI(%esp)

115 a25e7f2f 2004-04-21 devnull 	mov %edi, OLDEDI(%esp)

116 a25e7f2f 2004-04-21 devnull 

117 a25e7f2f 2004-04-21 devnull 	movl DATA(%esp), %eax

118 a25e7f2f 2004-04-21 devnull 	addl LEN(%esp), %eax

119 a25e7f2f 2004-04-21 devnull 	movl %eax, EDATA(%esp)

120 a25e7f2f 2004-04-21 devnull 

121 a25e7f2f 2004-04-21 devnull 	leal (WARRAY+15*4)(%esp), %edi	/* aw15 */

122 a25e7f2f 2004-04-21 devnull 	movl %edi, W15(%esp)

123 a25e7f2f 2004-04-21 devnull 	leal (WARRAY+40*4)(%esp), %edx	/* aw40 */

124 a25e7f2f 2004-04-21 devnull 	movl %edx, W40(%esp)

125 a25e7f2f 2004-04-21 devnull 	leal (WARRAY+60*4)(%esp), %ecx	/* aw60 */

126 a25e7f2f 2004-04-21 devnull 	movl %ecx, W60(%esp)

127 a25e7f2f 2004-04-21 devnull 	leal (WARRAY+80*4)(%esp), %edi	/* aw80 */

128 a25e7f2f 2004-04-21 devnull 	movl %edi, W80(%esp)

129 a25e7f2f 2004-04-21 devnull 

130 6a4599d7 2005-05-12 devnull 0:

131 a25e7f2f 2004-04-21 devnull 	leal WARRAY(%esp), %ebp		/* warray */

132 a25e7f2f 2004-04-21 devnull 

133 a25e7f2f 2004-04-21 devnull 	movl STATE(%esp), %edi		/* state */

134 a25e7f2f 2004-04-21 devnull 	movl (%edi),%eax

135 a25e7f2f 2004-04-21 devnull 	movl 4(%edi),%ebx

136 a25e7f2f 2004-04-21 devnull 	movl %ebx, TMP1(%esp)		/* tmp1 */

137 a25e7f2f 2004-04-21 devnull 	movl 8(%edi), %ecx

138 a25e7f2f 2004-04-21 devnull 	movl 12(%edi), %edx

139 a25e7f2f 2004-04-21 devnull 	movl 16(%edi), %esi

140 a25e7f2f 2004-04-21 devnull 

141 a25e7f2f 2004-04-21 devnull 	movl DATA(%esp), %ebx		/* data */

142 a25e7f2f 2004-04-21 devnull 

143 6a4599d7 2005-05-12 devnull 1:

144 a25e7f2f 2004-04-21 devnull 	BODY0(0,FN1,0x5a827999,%eax,TMP1(%esp),%ecx,%edx,%esi)

145 a25e7f2f 2004-04-21 devnull 	movl %esi,TMP2(%esp)

146 a25e7f2f 2004-04-21 devnull 	BODY0(4,FN1,0x5a827999,%esi,%eax,TMP1(%esp),%ecx,%edx)

147 a25e7f2f 2004-04-21 devnull 	movl TMP1(%esp),%esi

148 a25e7f2f 2004-04-21 devnull 	BODY0(8,FN1,0x5a827999,%edx,TMP2(%esp),%eax,%esi,%ecx)

149 a25e7f2f 2004-04-21 devnull 	BODY0(12,FN1,0x5a827999,%ecx,%edx,TMP2(%esp),%eax,%esi)

150 a25e7f2f 2004-04-21 devnull 	movl %esi,TMP1(%esp)

151 a25e7f2f 2004-04-21 devnull 	BODY0(16,FN1,0x5a827999,%esi,%ecx,%edx,TMP2(%esp),%eax)

152 a25e7f2f 2004-04-21 devnull 	movl TMP2(%esp),%esi

153 a25e7f2f 2004-04-21 devnull 

154 a25e7f2f 2004-04-21 devnull 	addl $20, %ebx

155 a25e7f2f 2004-04-21 devnull 	addl $20, %ebp

156 a25e7f2f 2004-04-21 devnull 	cmpl W15(%esp), %ebp	/* w15 */

157 6a4599d7 2005-05-12 devnull 	jb 1b

158 a25e7f2f 2004-04-21 devnull 

159 a25e7f2f 2004-04-21 devnull 	BODY0(0,FN1,0x5a827999,%eax,TMP1(%esp),%ecx,%edx,%esi)

160 a25e7f2f 2004-04-21 devnull 	addl $4, %ebx

161 a25e7f2f 2004-04-21 devnull 	MOVL %ebx, DATA(%esp)	/* data */

162 a25e7f2f 2004-04-21 devnull 	MOVL TMP1(%esp),%ebx

163 a25e7f2f 2004-04-21 devnull 

164 a25e7f2f 2004-04-21 devnull 	BODY(4,FN1,0x5a827999,%esi,%eax,%ebx,%ecx,%edx)

165 a25e7f2f 2004-04-21 devnull 	BODY(8,FN1,0x5a827999,%edx,%esi,%eax,%ebx,%ecx)

166 a25e7f2f 2004-04-21 devnull 	BODY(12,FN1,0x5a827999,%ecx,%edx,%esi,%eax,%ebx)

167 a25e7f2f 2004-04-21 devnull 	BODY(16,FN1,0x5a827999,%ebx,%ecx,%edx,%esi,%eax)

168 a25e7f2f 2004-04-21 devnull 

169 a25e7f2f 2004-04-21 devnull 	addl $20, %ebp

170 a25e7f2f 2004-04-21 devnull 

171 6a4599d7 2005-05-12 devnull 2:

172 a25e7f2f 2004-04-21 devnull 	BODY(0,FN24,0x6ed9eba1,%eax,%ebx,%ecx,%edx,%esi)

173 a25e7f2f 2004-04-21 devnull 	BODY(4,FN24,0x6ed9eba1,%esi,%eax,%ebx,%ecx,%edx)

174 a25e7f2f 2004-04-21 devnull 	BODY(8,FN24,0x6ed9eba1,%edx,%esi,%eax,%ebx,%ecx)

175 a25e7f2f 2004-04-21 devnull 	BODY(12,FN24,0x6ed9eba1,%ecx,%edx,%esi,%eax,%ebx)

176 a25e7f2f 2004-04-21 devnull 	BODY(16,FN24,0x6ed9eba1,%ebx,%ecx,%edx,%esi,%eax)

177 a25e7f2f 2004-04-21 devnull 

178 a25e7f2f 2004-04-21 devnull 	addl $20,%ebp

179 a25e7f2f 2004-04-21 devnull 	cmpl W40(%esp), %ebp

180 6a4599d7 2005-05-12 devnull 	jb 2b

181 a25e7f2f 2004-04-21 devnull 

182 6a4599d7 2005-05-12 devnull 3:

183 a25e7f2f 2004-04-21 devnull 	BODY(0,FN3,0x8f1bbcdc,%eax,%ebx,%ecx,%edx,%esi)

184 a25e7f2f 2004-04-21 devnull 	BODY(4,FN3,0x8f1bbcdc,%esi,%eax,%ebx,%ecx,%edx)

185 a25e7f2f 2004-04-21 devnull 	BODY(8,FN3,0x8f1bbcdc,%edx,%esi,%eax,%ebx,%ecx)

186 a25e7f2f 2004-04-21 devnull 	BODY(12,FN3,0x8f1bbcdc,%ecx,%edx,%esi,%eax,%ebx)

187 a25e7f2f 2004-04-21 devnull 	BODY(16,FN3,0x8f1bbcdc,%ebx,%ecx,%edx,%esi,%eax)

188 a25e7f2f 2004-04-21 devnull 

189 a25e7f2f 2004-04-21 devnull 	addl $20, %ebp

190 a25e7f2f 2004-04-21 devnull 	cmpl W60(%esp), %ebp 	/* w60 */

191 6a4599d7 2005-05-12 devnull 	jb 3b

192 a25e7f2f 2004-04-21 devnull 

193 6a4599d7 2005-05-12 devnull 4:

194 a25e7f2f 2004-04-21 devnull 	BODY(0,FN24,0xca62c1d6,%eax,%ebx,%ecx,%edx,%esi)

195 a25e7f2f 2004-04-21 devnull 	BODY(4,FN24,0xca62c1d6,%esi,%eax,%ebx,%ecx,%edx)

196 a25e7f2f 2004-04-21 devnull 	BODY(8,FN24,0xca62c1d6,%edx,%esi,%eax,%ebx,%ecx)

197 a25e7f2f 2004-04-21 devnull 	BODY(12,FN24,0xca62c1d6,%ecx,%edx,%esi,%eax,%ebx)

198 a25e7f2f 2004-04-21 devnull 	BODY(16,FN24,0xca62c1d6,%ebx,%ecx,%edx,%esi,%eax)

199 a25e7f2f 2004-04-21 devnull 

200 a25e7f2f 2004-04-21 devnull 	addl $20, %ebp

201 a25e7f2f 2004-04-21 devnull 	cmpl W80(%esp), %ebp 	/* w80 */

202 6a4599d7 2005-05-12 devnull 	jb 4b

203 a25e7f2f 2004-04-21 devnull 

204 a25e7f2f 2004-04-21 devnull 	movl STATE(%esp), %edi	/* state */

205 a25e7f2f 2004-04-21 devnull 	addl %eax, 0(%edi)

206 a25e7f2f 2004-04-21 devnull 	addl %ebx, 4(%edi)

207 a25e7f2f 2004-04-21 devnull 	addl %ecx, 8(%edi)

208 a25e7f2f 2004-04-21 devnull 	addl %edx, 12(%edi)

209 a25e7f2f 2004-04-21 devnull 	addl %esi, 16(%edi)

210 a25e7f2f 2004-04-21 devnull 

211 a25e7f2f 2004-04-21 devnull 	movl EDATA(%esp), %edi	/* edata */

212 a25e7f2f 2004-04-21 devnull 	cmpl %edi, DATA(%esp)	/* data */

213 6a4599d7 2005-05-12 devnull 	jb 0b

214 a25e7f2f 2004-04-21 devnull 

215 a25e7f2f 2004-04-21 devnull 	/* Postlude */

216 a25e7f2f 2004-04-21 devnull 	mov OLDEBX(%esp), %ebx

217 a25e7f2f 2004-04-21 devnull 	mov OLDESI(%esp), %esi

218 a25e7f2f 2004-04-21 devnull 	mov OLDEDI(%esp), %edi

219 2f05c0e8 2004-05-09 devnull 	addl $(STACKSIZE), %esp

220 2f05c0e8 2004-05-09 devnull 	popl %ebp

221 a25e7f2f 2004-04-21 devnull 	ret