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Dmitry Baryshkov
nettle
Commits
1281c778
Commit
1281c778
authored
Oct 02, 2014
by
Niels Möller
Browse files
Tests for eddsa compression and decompression.
parent
6907bbac
Changes
4
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ChangeLog
View file @
1281c778
2014-10-02 Niels Möller <nisse@lysator.liu.se>
* testsuite/eddsa-compress-test.c: New testcase.
* testsuite/Makefile.in (TS_HOGWEED_SOURCES): Added
eddsa-compress-test.c.
* eddsa-decompress.c (_eddsa_decompress): New file, new function.
* eddsa-compress.c (_eddsa_compress): New file, new function.
* eddsa.h: New file.
...
...
testsuite/.test-rules.make
View file @
1281c778
...
...
@@ -226,6 +226,9 @@ ecdsa-keygen-test$(EXEEXT): ecdsa-keygen-test.$(OBJEXT)
ecdh-test$(EXEEXT)
:
ecdh-test.$(OBJEXT)
$(LINK)
ecdh-test.
$(OBJEXT)
$(TEST_OBJS)
-o
ecdh-test
$(EXEEXT)
eddsa-compress-test$(EXEEXT)
:
eddsa-compress-test.$(OBJEXT)
$(LINK)
eddsa-compress-test.
$(OBJEXT)
$(TEST_OBJS)
-o
eddsa-compress-test
$(EXEEXT)
sha1-huge-test$(EXEEXT)
:
sha1-huge-test.$(OBJEXT)
$(LINK)
sha1-huge-test.
$(OBJEXT)
$(TEST_OBJS)
-o
sha1-huge-test
$(EXEEXT)
...
...
testsuite/Makefile.in
View file @
1281c778
...
...
@@ -44,7 +44,8 @@ TS_HOGWEED_SOURCES = sexp-test.c sexp-format-test.c \
ecc-dup-test.c ecc-add-test.c
\
ecc-mul-g-test.c ecc-mul-a-test.c
\
ecdsa-sign-test.c ecdsa-verify-test.c
\
ecdsa-keygen-test.c ecdh-test.c
ecdsa-keygen-test.c ecdh-test.c
\
eddsa-compress-test.c
TS_SOURCES
=
$(TS_NETTLE_SOURCES)
$(TS_HOGWEED_SOURCES)
CXX_SOURCES
=
cxx-test.cxx
...
...
testsuite/eddsa-compress-test.c
0 → 100644
View file @
1281c778
/* eddsa-compress-test.c
Copyright (C) 2014 Niels Möller
This file is part of GNU Nettle.
GNU Nettle is free software: you can redistribute it and/or
modify it under the terms of either:
* the GNU Lesser General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your
option) any later version.
or
* the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.
or both in parallel, as here.
GNU Nettle is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received copies of the GNU General Public License and
the GNU Lesser General Public License along with this program. If
not, see http://www.gnu.org/licenses/.
*/
#include
"testutils.h"
#include
"eddsa.h"
#define COUNT 1000
void
test_main
(
void
)
{
const
struct
ecc_curve
*
ecc
=
&
nettle_curve25519
;
gmp_randstate_t
rands
;
mp_size_t
size
,
itch
;
mpz_t
zp
,
t
;
mp_limb_t
*
s
;
mp_limb_t
*
p
;
mp_limb_t
*
pa1
;
mp_limb_t
*
pa2
;
mp_limb_t
*
scratch
;
size_t
clen
;
uint8_t
*
c
;
unsigned
j
;
gmp_randinit_default
(
rands
);
size
=
ecc_size
(
ecc
);
clen
=
1
+
ecc
->
p
.
bit_size
/
8
;
mpz_roinit_n
(
zp
,
ecc
->
p
.
m
,
size
);
mpz_init
(
t
);
s
=
xalloc_limbs
(
size
);
p
=
xalloc_limbs
(
ecc_size_j
(
ecc
));
pa1
=
xalloc_limbs
(
ecc_size_a
(
ecc
));
pa2
=
xalloc_limbs
(
ecc_size_a
(
ecc
));
c
=
xalloc
(
clen
);
itch
=
_eddsa_decompress_itch
(
ecc
);
if
(
itch
<
ecc
->
mul_g_itch
)
itch
=
ecc
->
mul_g_itch
;
scratch
=
xalloc_limbs
(
itch
);
for
(
j
=
0
;
j
<
COUNT
;
j
++
)
{
mpz_t
x1
,
y1
,
x2
,
y2
;
mpz_urandomb
(
t
,
rands
,
ecc
->
q
.
bit_size
);
mpz_limbs_copy
(
s
,
t
,
ecc
->
q
.
size
);
ecc
->
mul_g
(
ecc
,
p
,
s
,
scratch
);
_eddsa_compress
(
ecc
,
c
,
p
,
scratch
);
ecc
->
h_to_a
(
ecc
,
0
,
pa1
,
p
,
scratch
);
_eddsa_decompress
(
ecc
,
pa2
,
c
,
scratch
);
mpz_roinit_n
(
x1
,
pa1
,
size
);
mpz_roinit_n
(
y1
,
pa1
+
size
,
size
);
mpz_roinit_n
(
x2
,
pa2
,
size
);
mpz_roinit_n
(
y2
,
pa2
+
size
,
size
);
if
(
!
(
mpz_congruent_p
(
x1
,
x2
,
zp
)
&&
mpz_congruent_p
(
y1
,
y2
,
zp
)))
{
fprintf
(
stderr
,
"eddsa compression failed:
\n
c = "
);
print_hex
(
clen
,
c
);
fprintf
(
stderr
,
"
\n
p1 = 0x"
);
mpz_out_str
(
stderr
,
16
,
x1
);
fprintf
(
stderr
,
",
\n
0x"
);
mpz_out_str
(
stderr
,
16
,
y1
);
fprintf
(
stderr
,
"
\n
p2 = 0x"
);
mpz_out_str
(
stderr
,
16
,
x2
);
fprintf
(
stderr
,
",
\n
0x"
);
mpz_out_str
(
stderr
,
16
,
y2
);
fprintf
(
stderr
,
"
\n
"
);
abort
();
}
}
mpz_clear
(
t
);
free
(
s
);
free
(
p
);
free
(
c
);
free
(
pa1
);
free
(
pa2
);
free
(
scratch
);
gmp_randclear
(
rands
);
}
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