diff options
Diffstat (limited to 'src/lib/libcrypto/bf/asm')
-rw-r--r-- | src/lib/libcrypto/bf/asm/bf-586.pl | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/src/lib/libcrypto/bf/asm/bf-586.pl b/src/lib/libcrypto/bf/asm/bf-586.pl deleted file mode 100644 index b5a4760d09..0000000000 --- a/src/lib/libcrypto/bf/asm/bf-586.pl +++ /dev/null | |||
@@ -1,136 +0,0 @@ | |||
1 | #!/usr/local/bin/perl | ||
2 | |||
3 | push(@INC,"perlasm","../../perlasm"); | ||
4 | require "x86asm.pl"; | ||
5 | require "cbc.pl"; | ||
6 | |||
7 | &asm_init($ARGV[0],"bf-586.pl",$ARGV[$#ARGV] eq "386"); | ||
8 | |||
9 | $BF_ROUNDS=16; | ||
10 | $BF_OFF=($BF_ROUNDS+2)*4; | ||
11 | $L="edi"; | ||
12 | $R="esi"; | ||
13 | $P="ebp"; | ||
14 | $tmp1="eax"; | ||
15 | $tmp2="ebx"; | ||
16 | $tmp3="ecx"; | ||
17 | $tmp4="edx"; | ||
18 | |||
19 | &BF_encrypt("BF_encrypt",1); | ||
20 | &BF_encrypt("BF_decrypt",0); | ||
21 | &cbc("BF_cbc_encrypt","BF_encrypt","BF_decrypt",1,4,5,3,-1,-1) unless $main'openbsd; | ||
22 | &asm_finish(); | ||
23 | |||
24 | sub BF_encrypt | ||
25 | { | ||
26 | local($name,$enc)=@_; | ||
27 | |||
28 | &function_begin_B($name,""); | ||
29 | |||
30 | &comment(""); | ||
31 | |||
32 | &push("ebp"); | ||
33 | &push("ebx"); | ||
34 | &mov($tmp2,&wparam(0)); | ||
35 | &mov($P,&wparam(1)); | ||
36 | &push("esi"); | ||
37 | &push("edi"); | ||
38 | |||
39 | &comment("Load the 2 words"); | ||
40 | &mov($L,&DWP(0,$tmp2,"",0)); | ||
41 | &mov($R,&DWP(4,$tmp2,"",0)); | ||
42 | |||
43 | &xor( $tmp1, $tmp1); | ||
44 | |||
45 | # encrypting part | ||
46 | |||
47 | if ($enc) | ||
48 | { | ||
49 | &mov($tmp2,&DWP(0,$P,"",0)); | ||
50 | &xor( $tmp3, $tmp3); | ||
51 | |||
52 | &xor($L,$tmp2); | ||
53 | for ($i=0; $i<$BF_ROUNDS; $i+=2) | ||
54 | { | ||
55 | &comment(""); | ||
56 | &comment("Round $i"); | ||
57 | &BF_ENCRYPT($i+1,$R,$L,$P,$tmp1,$tmp2,$tmp3,$tmp4,1); | ||
58 | |||
59 | &comment(""); | ||
60 | &comment("Round ".sprintf("%d",$i+1)); | ||
61 | &BF_ENCRYPT($i+2,$L,$R,$P,$tmp1,$tmp2,$tmp3,$tmp4,1); | ||
62 | } | ||
63 | # &mov($tmp1,&wparam(0)); In last loop | ||
64 | &mov($tmp4,&DWP(($BF_ROUNDS+1)*4,$P,"",0)); | ||
65 | } | ||
66 | else | ||
67 | { | ||
68 | &mov($tmp2,&DWP(($BF_ROUNDS+1)*4,$P,"",0)); | ||
69 | &xor( $tmp3, $tmp3); | ||
70 | |||
71 | &xor($L,$tmp2); | ||
72 | for ($i=$BF_ROUNDS; $i>0; $i-=2) | ||
73 | { | ||
74 | &comment(""); | ||
75 | &comment("Round $i"); | ||
76 | &BF_ENCRYPT($i,$R,$L,$P,$tmp1,$tmp2,$tmp3,$tmp4,0); | ||
77 | &comment(""); | ||
78 | &comment("Round ".sprintf("%d",$i-1)); | ||
79 | &BF_ENCRYPT($i-1,$L,$R,$P,$tmp1,$tmp2,$tmp3,$tmp4,0); | ||
80 | } | ||
81 | # &mov($tmp1,&wparam(0)); In last loop | ||
82 | &mov($tmp4,&DWP(0,$P,"",0)); | ||
83 | } | ||
84 | |||
85 | &xor($R,$tmp4); | ||
86 | &mov(&DWP(4,$tmp1,"",0),$L); | ||
87 | |||
88 | &mov(&DWP(0,$tmp1,"",0),$R); | ||
89 | &function_end($name); | ||
90 | } | ||
91 | |||
92 | sub BF_ENCRYPT | ||
93 | { | ||
94 | local($i,$L,$R,$P,$tmp1,$tmp2,$tmp3,$tmp4,$enc)=@_; | ||
95 | |||
96 | &mov( $tmp4, &DWP(&n2a($i*4),$P,"",0)); # for next round | ||
97 | |||
98 | &mov( $tmp2, $R); | ||
99 | &xor( $L, $tmp4); | ||
100 | |||
101 | &shr( $tmp2, 16); | ||
102 | &mov( $tmp4, $R); | ||
103 | |||
104 | &movb( &LB($tmp1), &HB($tmp2)); # A | ||
105 | &and( $tmp2, 0xff); # B | ||
106 | |||
107 | &movb( &LB($tmp3), &HB($tmp4)); # C | ||
108 | &and( $tmp4, 0xff); # D | ||
109 | |||
110 | &mov( $tmp1, &DWP(&n2a($BF_OFF+0x0000),$P,$tmp1,4)); | ||
111 | &mov( $tmp2, &DWP(&n2a($BF_OFF+0x0400),$P,$tmp2,4)); | ||
112 | |||
113 | &add( $tmp2, $tmp1); | ||
114 | &mov( $tmp1, &DWP(&n2a($BF_OFF+0x0800),$P,$tmp3,4)); | ||
115 | |||
116 | &xor( $tmp2, $tmp1); | ||
117 | &mov( $tmp4, &DWP(&n2a($BF_OFF+0x0C00),$P,$tmp4,4)); | ||
118 | |||
119 | &add( $tmp2, $tmp4); | ||
120 | if (($enc && ($i != 16)) || ((!$enc) && ($i != 1))) | ||
121 | { &xor( $tmp1, $tmp1); } | ||
122 | else | ||
123 | { | ||
124 | &comment("Load parameter 0 ($i) enc=$enc"); | ||
125 | &mov($tmp1,&wparam(0)); | ||
126 | } # In last loop | ||
127 | |||
128 | &xor( $L, $tmp2); | ||
129 | # delay | ||
130 | } | ||
131 | |||
132 | sub n2a | ||
133 | { | ||
134 | sprintf("%d",$_[0]); | ||
135 | } | ||
136 | |||