libcrash:

move common code parts from all the *hash*.asm files to libcrash.asm
replace procedures to macroses in sha1 in favour of readability and uniformity
add license notes


git-svn-id: svn://kolibrios.org@3431 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/libraries/libcrash/trunk/crc32.asm

@@ -1,73 +0,0 @@
-proc crash.crc32 _crc, _data, _len, _callback, _msglen
-  .begin:
-	mov	ecx, [_len]
-	test	ecx, ecx
-	jz	.callback
-	mov	eax, [_crc]
-	mov	eax, [eax]
-	mov	esi, [_data]
-  .head:
-	mov	ebx, [_data]
-	and	ebx, 3
-	jz	.body
-    @@:
-	dec	ecx
-	js	.done
-	movzx	edx, al
-	xor	dl, byte[esi]
-	add	esi, 1
-	shr	eax, 8
-	xor	eax, [crash._.crc32_table + edx*4]
-	dec	ebx
-	jnz	@b
-  .body:
-	mov	ebx, ecx
-	and	ecx, 15
-	shr	ebx, 4
-	test	ebx, ebx
-	jz	.tail
-    @@:
-repeat 4
-	mov	edx, eax
-	mov	eax, [esi]
-	add	esi, 4
-	xor	eax, edx
-repeat 4
-	movzx	edx, al
-	shr	eax, 8
-	xor	eax, [crash._.crc32_table + edx*4]
-end repeat
-end repeat
-	dec	ebx
-	jnz	@b
-  .tail:
-	test	ecx, ecx
-	jz	.done
-    @@:
-	movzx	edx, al
-	xor	dl, byte[esi]
-	add	esi, 1
-	shr	eax, 8
-	xor	eax, [crash._.crc32_table + edx*4]
-	dec	ecx
-	jnz	@b
-  .done:
-	mov	ecx, [_crc]
-	mov	[ecx], eax
-  .callback:
-	mov	eax, [_callback]
-	test	eax, eax
-	jz	@f
-	call	eax
-	mov	[_len], eax
-	test	eax, eax
-	jnz	.begin
-    @@:
-	mov	ecx, [_crc]
-	mov	eax, [ecx]
-	xor	eax, 0xffffffff
-	bswap	eax
-	mov	[ecx], eax
-
-	ret
-endp