define(<SB>,<%ebx>)
define(<SC>,<%ecx>)
define(<SD>,<%edx>)
-
+define(<TMP>,<%ebp>)
+define(<TMP2>,<%edi>)
+define(<INPUT>,<%esi>)
define(<DATA>,<%esp>)
C %ebp, %edi and %esi available for temporaries
+
+C F1(x,y,z) = (z ^ x) & (y ^ z)
+define(<F1>, <
+ movl $3, TMP2
+ movl $3, TMP
+ xorl $1, TMP2
+ xorl $2, TMP
+ andl TMP, TMP>)
+
+define(<F2>,<F1($3, $1, $2)>)
+
+C F3(x,y,z) = x ^ y ^ z
+define(<F3>,<
+ movl $1, TMP
+ xorl $2, TMP
+ xorl $3, TMP>)
+
+C F4(x,y,z) = y ^ (x | ~z)
+define(<F4>,<
+ movl $3, TMP
+ notl TMP
+ orl $1, TMP
+ xorl $2, TMP>)
+
+define(<COPY>,<
+ movl OFFSET($1)(INPUT), TMP
+ movl TMP, OFFSET($1)(DATA)
+>)
+
+define(<REF>,<OFFSET(eval(4 * $1))(DATA)>)
+
+C ROUND(f, w, x, y, z, k, data, s):
+C w += f(x,y,z) + data + k
+C w <<< s
+C w += x
+define(<ROUND>,<
+ addl $7, $2
+ $1($3, $4, $5)
+ addl $6, $2
+ addl TMP, $2
+ roll <$>$8, $2
+ addl $3, $2>)
+
+ .file "md5-compress.asm"
+
+ C _nettle_md5_compress(uint32_t *state, uint8_t *data)
+ .text
+ .align 16
+PROLOGUE(_nettle_md5_compress)
+ C save all registers that need to be saved
+
+ pushl %ebx C 76(%esp)
+ pushl %ebp C 72(%esp)
+ pushl %esi C 68(%esp)
+ pushl %edi C 64(%esp)
+
+ subl $64, %esp C %esp = W
+
+ C load the state vector
+ movl 84(%esp),TMP
+ movl (TMP), SA
+ movl 4(TMP), SB
+ movl 8(TMP), SC
+ movl 12(TMP), SD
+
+ C Pointer to source data. We copy it to aligned storage
+ C at %esp when we first use it.
+ movl 88(%esp), INPUT
+
+ COPY( 0) ROUND(<F1>, SA, SB, SC, SD, TMP, $0xd76aa478, 7)
+ COPY( 1) ROUND(<F1>, SD, SA, SB, SC, TMP, $0xe8c7b756, 12)
+ COPY( 2) ROUND(<F1>, SC, SD, SA, SB, TMP, $0x242070db, 17)
+ COPY( 3) ROUND(<F1>, SB, SC, SD, SA, TMP, $0xc1bdceee, 22)
+ COPY( 4) ROUND(<F1>, SA, SB, SC, SD, TMP, $0xf57c0faf, 7)
+ COPY( 5) ROUND(<F1>, SD, SA, SB, SC, TMP, $0x4787c62a, 12)
+ COPY( 6) ROUND(<F1>, SC, SD, SA, SB, TMP, $0xa8304613, 17)
+ COPY( 7) ROUND(<F1>, SB, SC, SD, SA, TMP, $0xfd469501, 22)
+ COPY( 8) ROUND(<F1>, SA, SB, SC, SD, TMP, $0x698098d8, 7)
+ COPY( 9) ROUND(<F1>, SD, SA, SB, SC, TMP, $0x8b44f7af, 12)
+ COPY(10) ROUND(<F1>, SC, SD, SA, SB, TMP, $0xffff5bb1, 17)
+ COPY(11) ROUND(<F1>, SB, SC, SD, SA, TMP, $0x895cd7be, 22)
+ COPY(12) ROUND(<F1>, SA, SB, SC, SD, TMP, $0x6b901122, 7)
+ COPY(13) ROUND(<F1>, SD, SA, SB, SC, TMP, $0xfd987193, 12)
+ COPY(14) ROUND(<F1>, SC, SD, SA, SB, TMP, $0xa679438e, 17)
+ COPY(15) ROUND(<F1>, SB, SC, SD, SA, TMP, $0x49b40821, 22)
+
+ ROUND(<F2>, SA, SB, SC, SD, REF( 1), $0xf61e2562, 5)
+ ROUND(<F2>, SD, SA, SB, SC, REF( 6), $0xc040b340, 9)
+ ROUND(<F2>, SC, SD, SA, SB, REF(11), $0x265e5a51, 14)
+ ROUND(<F2>, SB, SC, SD, SA, REF( 0), $0xe9b6c7aa, 20)
+ ROUND(<F2>, SA, SB, SC, SD, REF( 5), $0xd62f105d, 5)
+ ROUND(<F2>, SD, SA, SB, SC, REF(10), $0x02441453, 9)
+ ROUND(<F2>, SC, SD, SA, SB, REF(15), $0xd8a1e681, 14)
+ ROUND(<F2>, SB, SC, SD, SA, REF( 4), $0xe7d3fbc8, 20)
+ ROUND(<F2>, SA, SB, SC, SD, REF( 9), $0x21e1cde6, 5)
+ ROUND(<F2>, SD, SA, SB, SC, REF(14), $0xc33707d6, 9)
+ ROUND(<F2>, SC, SD, SA, SB, REF( 3), $0xf4d50d87, 14)
+ ROUND(<F2>, SB, SC, SD, SA, REF( 8), $0x455a14ed, 20)
+ ROUND(<F2>, SA, SB, SC, SD, REF(13), $0xa9e3e905, 5)
+ ROUND(<F2>, SD, SA, SB, SC, REF( 2), $0xfcefa3f8, 9)
+ ROUND(<F2>, SC, SD, SA, SB, REF( 7), $0x676f02d9, 14)
+ ROUND(<F2>, SB, SC, SD, SA, REF(12), $0x8d2a4c8a, 20)
+
+ ROUND(<F3>, SA, SB, SC, SD, REF( 5), $0xfffa3942, 4)
+ ROUND(<F3>, SD, SA, SB, SC, REF( 8), $0x8771f681, 11)
+ ROUND(<F3>, SC, SD, SA, SB, REF(11), $0x6d9d6122, 16)
+ ROUND(<F3>, SB, SC, SD, SA, REF(14), $0xfde5380c, 23)
+ ROUND(<F3>, SA, SB, SC, SD, REF( 1), $0xa4beea44, 4)
+ ROUND(<F3>, SD, SA, SB, SC, REF( 4), $0x4bdecfa9, 11)
+ ROUND(<F3>, SC, SD, SA, SB, REF( 7), $0xf6bb4b60, 16)
+ ROUND(<F3>, SB, SC, SD, SA, REF(10), $0xbebfbc70, 23)
+ ROUND(<F3>, SA, SB, SC, SD, REF(13), $0x289b7ec6, 4)
+ ROUND(<F3>, SD, SA, SB, SC, REF( 0), $0xeaa127fa, 11)
+ ROUND(<F3>, SC, SD, SA, SB, REF( 3), $0xd4ef3085, 16)
+ ROUND(<F3>, SB, SC, SD, SA, REF( 6), $0x04881d05, 23)
+ ROUND(<F3>, SA, SB, SC, SD, REF( 9), $0xd9d4d039, 4)
+ ROUND(<F3>, SD, SA, SB, SC, REF(12), $0xe6db99e5, 11)
+ ROUND(<F3>, SC, SD, SA, SB, REF(15), $0x1fa27cf8, 16)
+ ROUND(<F3>, SB, SC, SD, SA, REF( 2), $0xc4ac5665, 23)
+
+ ROUND(<F4>, SA, SB, SC, SD, REF( 0), $0xf4292244, 6)
+ ROUND(<F4>, SD, SA, SB, SC, REF( 7), $0x432aff97, 10)
+ ROUND(<F4>, SC, SD, SA, SB, REF(14), $0xab9423a7, 15)
+ ROUND(<F4>, SB, SC, SD, SA, REF( 5), $0xfc93a039, 21)
+ ROUND(<F4>, SA, SB, SC, SD, REF(12), $0x655b59c3, 6)
+ ROUND(<F4>, SD, SA, SB, SC, REF( 3), $0x8f0ccc92, 10)
+ ROUND(<F4>, SC, SD, SA, SB, REF(10), $0xffeff47d, 15)
+ ROUND(<F4>, SB, SC, SD, SA, REF( 1), $0x85845dd1, 21)
+ ROUND(<F4>, SA, SB, SC, SD, REF( 8), $0x6fa87e4f, 6)
+ ROUND(<F4>, SD, SA, SB, SC, REF(15), $0xfe2ce6e0, 10)
+ ROUND(<F4>, SC, SD, SA, SB, REF( 6), $0xa3014314, 15)
+ ROUND(<F4>, SB, SC, SD, SA, REF(13), $0x4e0811a1, 21)
+ ROUND(<F4>, SA, SB, SC, SD, REF( 4), $0xf7537e82, 6)
+ ROUND(<F4>, SD, SA, SB, SC, REF(11), $0xbd3af235, 10)
+ ROUND(<F4>, SC, SD, SA, SB, REF( 2), $0x2ad7d2bb, 15)
+ ROUND(<F4>, SB, SC, SD, SA, REF( 9), $0xeb86d391, 21)
+
+ C Update the state vector
+ movl 84(%esp),TMP
+ addl SA, (TMP)
+ addl SB, 4(TMP)
+ addl SC, 8(TMP)
+ addl SD, 12(TMP)
+
+ addl $64, %esp
+ popl %edi
+ popl %esi
+ popl %ebp
+ popl %ebx
+ ret
+EPILOGUE(_nettle_sha1_compress)
projects / thirdparty / nettle.git / commitdiff
