blob: da1f0ee86b7e44b2219d48ac062e1fbcbb730f8f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
#!/bin/sh
# This script copies the Curve448 and Ed448 implementation from the
# nettle upstream, with necessary adjustments for bundling in GnuTLS.
set +e
: ${srcdir=.}
SRC=$srcdir/devel/nettle
DST=$srcdir/lib/nettle/curve448
IMPORTS="
cnd-copy.c
curve448-eh-to-x.c
curve448.h
curve448-mul.c
curve448-mul-g.c
eccdata.c
ecc-curve448.c
ecc-add-eh.c
ecc-add-ehh.c
ecc-a-to-j.c
ecc-dup-eh.c
ecc-eh-to-a.c
ecc-internal.h
ecc-mod-arith.c
ecc-mod.c
ecc-mod-inv.c
ecc-mul-a-eh.c
ecc-mul-g-eh.c
ecc-mul-m.c
ed448-shake256.c
ed448-shake256-pubkey.c
ed448-shake256-sign.c
ed448-shake256-verify.c
eddsa-compress.c
eddsa-decompress.c
eddsa-expand.c
eddsa.h
eddsa-hash.c
eddsa-internal.h
eddsa-pubkey.c
eddsa-sign.c
eddsa-verify.c
gmp-glue.h
gmp-glue.c
nettle-write.h
sec-add-1.c
sec-tabselect.c
sha3.c
sha3.h
sha3-256.c
sha3-internal.h
sha3-permute.c
shake256.c
"
PUBLIC="
bignum.h
ecc-curve.h
ecc.h
macros.h
memxor.h
nettle-meta.h
nettle-types.h
"
test -d $DST || mkdir $DST
for f in $IMPORTS; do
src=$SRC/$f
dst=$DST/$f
if test -f $src; then
if test -f $dst; then
echo "Replacing $dst (existing file backed up in $dst~)"
mv $dst $dst~
else
echo "Copying file $dst"
fi
cp $src $dst
# Use <nettle/*.h> for public headers.
for h in $PUBLIC; do
p=$(echo $h | sed 's/\./\\./g')
if grep '^#include "'$p'"' $dst 2>&1 >/dev/null; then
sed 's!^#include "'$p'"!#include <nettle/'$h'>!' $dst > $dst-t && \
mv $dst-t $dst
fi
done
# Remove unused <assert.h>.
if grep '^#include <assert\.h>' $dst 2>&1 >/dev/null; then
if ! grep 'assert *(' $dst 2>&1 >/dev/null; then
sed '/^#include <assert\.h>/d' $dst > $dst-t && mv $dst-t $dst
fi
fi
case $dst in
*.h)
# Rename header guard so as not to conflict with the public ones.
if grep '^#ifndef NETTLE_.*_H\(_INCLUDED\)*' $dst 2>&1 >/dev/null; then
g=$(sed -n 's/^#ifndef NETTLE_\(.*_H\(_INCLUDED\)*\)/\1/p' $dst)
sed 's/\(NETTLE_'$g'\)/GNUTLS_LIB_NETTLE_CURVE448_\1/' $dst > $dst-t && \
mv $dst-t $dst
fi
;;
esac
case $dst in
*.h)
# Add prefix to function symbols avoid clashing with the public ones.
sed -e 's/^#define \(.*\) nettle_\1/#define \1 gnutls_nettle_curve448_\1/' \
-e 's/^#define \(.*\) _nettle_\1/#define \1 _gnutls_nettle_curve448_\1/' \
-e 's/^#define _\(.*\) _nettle_\1/#define _\1 _gnutls_nettle_curve448_\1/' \
-e 's/^extern const struct ecc_curve _nettle_\(.*\);/#define _nettle_\1 _gnutls_nettle_curve448_\1\n\0/' \
-e 's/^extern const struct ecc_eddsa _nettle_\(.*\);/#define _nettle_\1 _gnutls_nettle_curve448_\1\n\0/' \
$dst > $dst-t && \
mv $dst-t $dst
;;
esac
case $dst in
*/eccdata.c)
sed 's/^#include "mini-gmp.c"/#include <gmp.h>/' $dst > $dst-t && \
mv $dst-t $dst
;;
esac
case $dst in
*/ecc-curve448.c)
# The generated file is arch dependent, conditionalize the
# inclusion.
sed '/^#include "ecc-curve448\.h"/ { i\
#if defined __clang__ || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)\
# pragma GCC diagnostic ignored "-Wunused-const-variable"\
#endif\
#if GMP_NUMB_BITS == 32\
#include "curve448/ecc-curve448-32.h"\
#elif GMP_NUMB_BITS == 64\
#include "curve448/ecc-curve448-64.h"\
#else\
#error unsupported configuration\
#endif
; d
}' $dst > $dst-t && mv $dst-t $dst
;;
esac
case $dst in
*/eddsa-hash.c)
# Known to be unnecessary.
sed '/^#include "nettle-internal\.h"/d' $dst > $dst-t && mv $dst-t $dst
;;
esac
case $dst in
*/ecc-add-eh*.c)
# Suppress whitespace errors in 'make syntax-check'.
sed 's/ * / /g' $dst > $dst-t && mv $dst-t $dst
;;
esac
else
echo "Error: $src not found" 1>&2
exit 1
fi
done
|