diff options
Diffstat (limited to 'security/nss/lib/freebl/arcfour-amd64-sun.s')
| -rw-r--r-- | security/nss/lib/freebl/arcfour-amd64-sun.s | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/security/nss/lib/freebl/arcfour-amd64-sun.s b/security/nss/lib/freebl/arcfour-amd64-sun.s deleted file mode 100644 index 7f684d222..000000000 --- a/security/nss/lib/freebl/arcfour-amd64-sun.s +++ /dev/null @@ -1,116 +0,0 @@ -/ ***** BEGIN LICENSE BLOCK ***** -/ Version: MPL 1.1/GPL 2.0/LGPL 2.1 -/ -/ The contents of this file are subject to the Mozilla Public License Version -/ 1.1 (the "License"); you may not use this file except in compliance with -/ the License. You may obtain a copy of the License at -/ http://www.mozilla.org/MPL/ -/ -/ Software distributed under the License is distributed on an "AS IS" basis, -/ WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License -/ for the specific language governing rights and limitations under the -/ License. -/ -/ The Original Code is "Marc Bevand's fast AMD64 ARCFOUR source" -/ -/ The Initial Developer of the Original Code is -/ Marc Bevand <bevand_m@epita.fr> . -/ Portions created by the Initial Developer are -/ Copyright (C) 2004 the Initial Developer. All Rights Reserved. -/ -/ Contributor(s): -/ -/ Alternatively, the contents of this file may be used under the terms of -/ either the GNU General Public License Version 2 or later (the "GPL"), or -/ the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), -/ in which case the provisions of the GPL or the LGPL are applicable instead -/ of those above. If you wish to allow use of your version of this file only -/ under the terms of either the GPL or the LGPL, and not to allow others to -/ use your version of this file under the terms of the MPL, indicate your -/ decision by deleting the provisions above and replace them with the notice -/ and other provisions required by the GPL or the LGPL. If you do not delete -/ the provisions above, a recipient may use your version of this file under -/ the terms of any one of the MPL, the GPL or the LGPL. -/ -/ ***** END LICENSE BLOCK ***** - -/ ** ARCFOUR implementation optimized for AMD64. -/ ** -/ ** The throughput achieved by this code is about 320 MBytes/sec, on -/ ** a 1.8 GHz AMD Opteron (rev C0) processor. - -.text -.align 16 -.globl ARCFOUR -.type ARCFOUR,@function -ARCFOUR: - pushq %rbp - pushq %rbx - movq %rdi, %rbp / key = ARG(key) - movq %rsi, %rbx / rbx = ARG(len) - movq %rdx, %rsi / in = ARG(in) - movq %rcx, %rdi / out = ARG(out) - movq (%rbp), %rcx / x = key->x - movq 8(%rbp), %rdx / y = key->y - addq $16, %rbp / d = key->data - incq %rcx / x++ - andq $255, %rcx / x &= 0xff - leaq -8(%rbx,%rsi), %rbx / rbx = in+len-8 - movq %rbx, %r9 / tmp = in+len-8 - movq 0(%rbp,%rcx,8), %rax / tx = d[x] - cmpq %rsi, %rbx / cmp in with in+len-8 - jl .Lend / jump if (in+len-8 < in) - -.Lstart: - addq $8, %rsi / increment in - addq $8, %rdi / increment out - - / generate the next 8 bytes of the rc4 stream into %r8 - movq $8, %r11 / byte counter -1: addb %al, %dl / y += tx - movl 0(%rbp,%rdx,8), %ebx / ty = d[y] - movl %ebx, 0(%rbp,%rcx,8) / d[x] = ty - addb %al, %bl / val = ty + tx - movl %eax, 0(%rbp,%rdx,8) / d[y] = tx - incb %cl / x++ (NEXT ROUND) - movl 0(%rbp,%rcx,8), %eax / tx = d[x] (NEXT ROUND) - movb 0(%rbp,%rbx,8), %r8b / val = d[val] - decb %r11b - rorq $8, %r8 / (ror does not change ZF) - jnz 1b - - / xor 8 bytes - xorq -8(%rsi), %r8 - cmpq %r9, %rsi / cmp in+len-8 with in - movq %r8, -8(%rdi) - jle .Lstart / jump if (in <= in+len-8) - -.Lend: - addq $8, %r9 / tmp = in+len - - / handle the last bytes, one by one -1: cmpq %rsi, %r9 / cmp in with in+len - jle .Lfinished / jump if (in+len <= in) - addb %al, %dl / y += tx - movl 0(%rbp,%rdx,8), %ebx / ty = d[y] - movl %ebx, 0(%rbp,%rcx,8) / d[x] = ty - addb %al, %bl / val = ty + tx - movl %eax, 0(%rbp,%rdx,8) / d[y] = tx - incb %cl / x++ (NEXT ROUND) - movl 0(%rbp,%rcx,8), %eax / tx = d[x] (NEXT ROUND) - movb 0(%rbp,%rbx,8), %r8b / val = d[val] - xorb (%rsi), %r8b / xor 1 byte - movb %r8b, (%rdi) - incq %rsi / in++ - incq %rdi / out++ - jmp 1b - -.Lfinished: - decq %rcx / x-- - movb %dl, -8(%rbp) / key->y = y - movb %cl, -16(%rbp) / key->x = x - popq %rbx - popq %rbp - ret -.L_ARCFOUR_end: -.size ARCFOUR,.L_ARCFOUR_end-ARCFOUR |