diff options
Diffstat (limited to 'src/lib/libcrypto/bf/asm')
-rw-r--r-- | src/lib/libcrypto/bf/asm/bf-586.pl | 137 |
1 files changed, 0 insertions, 137 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 1f9b345aee..0000000000 --- a/src/lib/libcrypto/bf/asm/bf-586.pl +++ /dev/null | |||
@@ -1,137 +0,0 @@ | |||
1 | #!/usr/local/bin/perl | ||
2 | |||
3 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; | ||
4 | push(@INC,"${dir}","${dir}../../perlasm"); | ||
5 | require "x86asm.pl"; | ||
6 | require "cbc.pl"; | ||
7 | |||
8 | &asm_init($ARGV[0],"bf-586.pl",$ARGV[$#ARGV] eq "386"); | ||
9 | |||
10 | $BF_ROUNDS=16; | ||
11 | $BF_OFF=($BF_ROUNDS+2)*4; | ||
12 | $L="edi"; | ||
13 | $R="esi"; | ||
14 | $P="ebp"; | ||
15 | $tmp1="eax"; | ||
16 | $tmp2="ebx"; | ||
17 | $tmp3="ecx"; | ||
18 | $tmp4="edx"; | ||
19 | |||
20 | &BF_encrypt("BF_encrypt",1); | ||
21 | &BF_encrypt("BF_decrypt",0); | ||
22 | &cbc("BF_cbc_encrypt","BF_encrypt","BF_decrypt",1,4,5,3,-1,-1) unless $main'openbsd; | ||
23 | &asm_finish(); | ||
24 | |||
25 | sub BF_encrypt | ||
26 | { | ||
27 | local($name,$enc)=@_; | ||
28 | |||
29 | &function_begin_B($name,""); | ||
30 | |||
31 | &comment(""); | ||
32 | |||
33 | &push("ebp"); | ||
34 | &push("ebx"); | ||
35 | &mov($tmp2,&wparam(0)); | ||
36 | &mov($P,&wparam(1)); | ||
37 | &push("esi"); | ||
38 | &push("edi"); | ||
39 | |||
40 | &comment("Load the 2 words"); | ||
41 | &mov($L,&DWP(0,$tmp2,"",0)); | ||
42 | &mov($R,&DWP(4,$tmp2,"",0)); | ||
43 | |||
44 | &xor( $tmp1, $tmp1); | ||
45 | |||
46 | # encrypting part | ||
47 | |||
48 | if ($enc) | ||
49 | { | ||
50 | &mov($tmp2,&DWP(0,$P,"",0)); | ||
51 | &xor( $tmp3, $tmp3); | ||
52 | |||
53 | &xor($L,$tmp2); | ||
54 | for ($i=0; $i<$BF_ROUNDS; $i+=2) | ||
55 | { | ||
56 | &comment(""); | ||
57 | &comment("Round $i"); | ||
58 | &BF_ENCRYPT($i+1,$R,$L,$P,$tmp1,$tmp2,$tmp3,$tmp4,1); | ||
59 | |||
60 | &comment(""); | ||
61 | &comment("Round ".sprintf("%d",$i+1)); | ||
62 | &BF_ENCRYPT($i+2,$L,$R,$P,$tmp1,$tmp2,$tmp3,$tmp4,1); | ||
63 | } | ||
64 | # &mov($tmp1,&wparam(0)); In last loop | ||
65 | &mov($tmp4,&DWP(($BF_ROUNDS+1)*4,$P,"",0)); | ||
66 | } | ||
67 | else | ||
68 | { | ||
69 | &mov($tmp2,&DWP(($BF_ROUNDS+1)*4,$P,"",0)); | ||
70 | &xor( $tmp3, $tmp3); | ||
71 | |||
72 | &xor($L,$tmp2); | ||
73 | for ($i=$BF_ROUNDS; $i>0; $i-=2) | ||
74 | { | ||
75 | &comment(""); | ||
76 | &comment("Round $i"); | ||
77 | &BF_ENCRYPT($i,$R,$L,$P,$tmp1,$tmp2,$tmp3,$tmp4,0); | ||
78 | &comment(""); | ||
79 | &comment("Round ".sprintf("%d",$i-1)); | ||
80 | &BF_ENCRYPT($i-1,$L,$R,$P,$tmp1,$tmp2,$tmp3,$tmp4,0); | ||
81 | } | ||
82 | # &mov($tmp1,&wparam(0)); In last loop | ||
83 | &mov($tmp4,&DWP(0,$P,"",0)); | ||
84 | } | ||
85 | |||
86 | &xor($R,$tmp4); | ||
87 | &mov(&DWP(4,$tmp1,"",0),$L); | ||
88 | |||
89 | &mov(&DWP(0,$tmp1,"",0),$R); | ||
90 | &function_end($name); | ||
91 | } | ||
92 | |||
93 | sub BF_ENCRYPT | ||
94 | { | ||
95 | local($i,$L,$R,$P,$tmp1,$tmp2,$tmp3,$tmp4,$enc)=@_; | ||
96 | |||
97 | &mov( $tmp4, &DWP(&n2a($i*4),$P,"",0)); # for next round | ||
98 | |||
99 | &mov( $tmp2, $R); | ||
100 | &xor( $L, $tmp4); | ||
101 | |||
102 | &shr( $tmp2, 16); | ||
103 | &mov( $tmp4, $R); | ||
104 | |||
105 | &movb( &LB($tmp1), &HB($tmp2)); # A | ||
106 | &and( $tmp2, 0xff); # B | ||
107 | |||
108 | &movb( &LB($tmp3), &HB($tmp4)); # C | ||
109 | &and( $tmp4, 0xff); # D | ||
110 | |||
111 | &mov( $tmp1, &DWP(&n2a($BF_OFF+0x0000),$P,$tmp1,4)); | ||
112 | &mov( $tmp2, &DWP(&n2a($BF_OFF+0x0400),$P,$tmp2,4)); | ||
113 | |||
114 | &add( $tmp2, $tmp1); | ||
115 | &mov( $tmp1, &DWP(&n2a($BF_OFF+0x0800),$P,$tmp3,4)); | ||
116 | |||
117 | &xor( $tmp2, $tmp1); | ||
118 | &mov( $tmp4, &DWP(&n2a($BF_OFF+0x0C00),$P,$tmp4,4)); | ||
119 | |||
120 | &add( $tmp2, $tmp4); | ||
121 | if (($enc && ($i != 16)) || ((!$enc) && ($i != 1))) | ||
122 | { &xor( $tmp1, $tmp1); } | ||
123 | else | ||
124 | { | ||
125 | &comment("Load parameter 0 ($i) enc=$enc"); | ||
126 | &mov($tmp1,&wparam(0)); | ||
127 | } # In last loop | ||
128 | |||
129 | &xor( $L, $tmp2); | ||
130 | # delay | ||
131 | } | ||
132 | |||
133 | sub n2a | ||
134 | { | ||
135 | sprintf("%d",$_[0]); | ||
136 | } | ||
137 | |||