Author: wmb Date: 2009-09-25 03:54:20 +0200 (Fri, 25 Sep 2009) New Revision: 1380
Added: cpu/x86/pc/olpc/via/padlock.fth Modified: cpu/x86/pc/olpc/via/fw.bth Log: Via - added support for the Via hardware crypto engine - random number generation and fast SHA256.
Modified: cpu/x86/pc/olpc/via/fw.bth =================================================================== --- cpu/x86/pc/olpc/via/fw.bth 2009-09-25 01:46:29 UTC (rev 1379) +++ cpu/x86/pc/olpc/via/fw.bth 2009-09-25 01:54:20 UTC (rev 1380) @@ -457,6 +457,7 @@ devalias smb tcp//cifs devalias cifs tcp//cifs : op " select smb:\test:testxxx@10.20.0.14\XTest\hello.txt" eval ; +: dsmb " dir smb:\test:testxxx@10.20.0.14\XTest" eval ;
fload ${BP}/cpu/x86/pc/olpc/via/memtest.fth
@@ -474,6 +475,7 @@ fload ${BP}/cpu/x86/pc/olpc/nandcastui.fth fload ${BP}/cpu/x86/pc/olpc/wifichannel.fth [then] +fload ${BP}/cpu/x86/pc/olpc/via/padlock.fth \ Via security engine fload ${BP}/cpu/x86/pc/olpc/via/fsupdate.fth devalias fsdisk int:0
Added: cpu/x86/pc/olpc/via/padlock.fth =================================================================== --- cpu/x86/pc/olpc/via/padlock.fth (rev 0) +++ cpu/x86/pc/olpc/via/padlock.fth 2009-09-25 01:54:20 UTC (rev 1380) @@ -0,0 +1,79 @@ +purpose: Interface to Via "Padlock" hardare random number generator + +: enable-padlock ( -- ) cr4@ h# 200 or cr4! ; \ SSE enable + +code random-bytes ( adr len -- ) + cr4 ebx mov ebx eax mov h# 200 # eax or eax cr4 mov + cx pop + 0 [sp] di xchg + 3 # dx mov + begin + h# 0f c, h# a7 c, h# c0 c, + ax cx sub + 0= until + 0 [sp] di xchg + ebx cr4 mov +c; +code random-byte ( -- n ) + cr4 ebx mov ebx eax mov h# 200 # eax or eax cr4 mov + ax ax xor ax push + di cx mov + sp di mov + 3 # dx mov + begin + h# 0f c, h# a7 c, h# c0 c, + ax ax or + 0<> until + cx di mov + ebx cr4 mov +c; + +create sha256-constants +h# 6A09E667 , h# BB67AE85 , h# 3C6EF372 , h# A54FF53A , +h# 510E527F , h# 9B05688C , h# 1F83D9AB , h# 5BE0CD19 , + +d# 128 d# 16 + buffer: (sha-buf) +: sha-buf (sha-buf) d# 16 round-up ; + +code do-sha ( inbuf len outbuf -- ) + ax pop + cx pop + 0 [sp] si xchg + di push + ax di mov + ax ax xor + rep h# 0f c, h# a6 c, h# d0 c, + di pop + si pop +c; +: init-sha ( -- ) sha256-constants sha-buf d# 32 move ; +: sha-256 ( adr len -- adr' len' ) + enable-padlock + init-sha + sha-buf do-sha + sha-buf h# 20 +; + +\ LICENSE_BEGIN +\ Copyright (c) 2009 FirmWorks +\ +\ Permission is hereby granted, free of charge, to any person obtaining +\ a copy of this software and associated documentation files (the +\ "Software"), to deal in the Software without restriction, including +\ without limitation the rights to use, copy, modify, merge, publish, +\ distribute, sublicense, and/or sell copies of the Software, and to +\ permit persons to whom the Software is furnished to do so, subject to +\ the following conditions: +\ +\ The above copyright notice and this permission notice shall be +\ included in all copies or substantial portions of the Software. +\ +\ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +\ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +\ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +\ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +\ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +\ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +\ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +\ +\ LICENSE_END