Skip to content
GitLab
Projects
Groups
Snippets
Help
Loading...
Help
What's new
7
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
Open sidebar
Nettle
nettle
Commits
9abc94de
Commit
9abc94de
authored
Sep 16, 2014
by
Niels Möller
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
New test case for ecc_dup_jj and ecc_dup_eh (latter test currently not exercised).
parent
3fc2a5e7
Changes
3
Hide whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
79 additions
and
1 deletion
+79
-1
testsuite/.test-rules.make
testsuite/.test-rules.make
+3
-0
testsuite/Makefile.in
testsuite/Makefile.in
+1
-1
testsuite/ecc-dup-test.c
testsuite/ecc-dup-test.c
+75
-0
No files found.
testsuite/.test-rules.make
View file @
9abc94de
...
@@ -205,6 +205,9 @@ ecc-modinv-test$(EXEEXT): ecc-modinv-test.$(OBJEXT)
...
@@ -205,6 +205,9 @@ ecc-modinv-test$(EXEEXT): ecc-modinv-test.$(OBJEXT)
ecc-redc-test$(EXEEXT)
:
ecc-redc-test.$(OBJEXT)
ecc-redc-test$(EXEEXT)
:
ecc-redc-test.$(OBJEXT)
$(LINK)
ecc-redc-test.
$(OBJEXT)
$(TEST_OBJS)
-o
ecc-redc-test
$(EXEEXT)
$(LINK)
ecc-redc-test.
$(OBJEXT)
$(TEST_OBJS)
-o
ecc-redc-test
$(EXEEXT)
ecc-dup-test$(EXEEXT)
:
ecc-dup-test.$(OBJEXT)
$(LINK)
ecc-dup-test.
$(OBJEXT)
$(TEST_OBJS)
-o
ecc-dup-test
$(EXEEXT)
ecc-mul-g-test$(EXEEXT)
:
ecc-mul-g-test.$(OBJEXT)
ecc-mul-g-test$(EXEEXT)
:
ecc-mul-g-test.$(OBJEXT)
$(LINK)
ecc-mul-g-test.
$(OBJEXT)
$(TEST_OBJS)
-o
ecc-mul-g-test
$(EXEEXT)
$(LINK)
ecc-mul-g-test.
$(OBJEXT)
$(TEST_OBJS)
-o
ecc-mul-g-test
$(EXEEXT)
...
...
testsuite/Makefile.in
View file @
9abc94de
...
@@ -41,7 +41,7 @@ TS_HOGWEED_SOURCES = sexp-test.c sexp-format-test.c \
...
@@ -41,7 +41,7 @@ TS_HOGWEED_SOURCES = sexp-test.c sexp-format-test.c \
curve25519-dup-test.c curve25519-add-test.c
\
curve25519-dup-test.c curve25519-add-test.c
\
curve25519-dh-test.c
\
curve25519-dh-test.c
\
ecc-mod-test.c ecc-modinv-test.c ecc-redc-test.c
\
ecc-mod-test.c ecc-modinv-test.c ecc-redc-test.c
\
ecc-mul-g-test.c ecc-mul-a-test.c
\
ecc-dup-test.c
ecc-mul-g-test.c ecc-mul-a-test.c
\
ecdsa-sign-test.c ecdsa-verify-test.c
\
ecdsa-sign-test.c ecdsa-verify-test.c
\
ecdsa-keygen-test.c ecdh-test.c
ecdsa-keygen-test.c ecdh-test.c
...
...
testsuite/ecc-dup-test.c
0 → 100644
View file @
9abc94de
#include "testutils.h"
/* For curve25519 (or other edwards curves) only. */
static
int
point_zero_p
(
const
struct
ecc_curve
*
ecc
,
const
mp_limb_t
*
p
)
{
mp_limb_t
*
d
;
int
ret
;
mp_size_t
i
;
/* Zero point has Y = Z (mod p), or y = Y/Z = 1, which also implies
x == 0. */
d
=
xalloc_limbs
(
ecc
->
size
);
ecc_modp_sub
(
ecc
,
d
,
p
+
ecc
->
size
,
p
+
2
*
ecc
->
size
);
while
(
mpn_cmp
(
d
,
ecc
->
p
,
ecc
->
size
)
>=
0
)
mpn_sub_n
(
d
,
d
,
ecc
->
p
,
ecc
->
size
);
for
(
i
=
0
,
ret
=
1
;
i
<
ecc
->
size
;
i
++
)
if
(
d
[
i
])
{
ret
=
0
;
break
;
}
free
(
d
);
return
ret
;
}
void
test_main
(
void
)
{
unsigned
i
;
for
(
i
=
0
;
ecc_curves
[
i
];
i
++
)
{
const
struct
ecc_curve
*
ecc
=
ecc_curves
[
i
];
mp_limb_t
*
g
=
xalloc_limbs
(
ecc_size_j
(
ecc
));
mp_limb_t
*
p
=
xalloc_limbs
(
ecc_size_j
(
ecc
));
mp_limb_t
*
scratch
=
xalloc_limbs
(
ECC_DUP_EH_ITCH
(
ecc
->
size
));;
if
(
ecc
->
bit_size
==
255
)
{
mp_limb_t
*
z
=
xalloc_limbs
(
ecc_size_j
(
ecc
));
/* Zero point has x = 0, y = 1, z = 1 */
mpn_zero
(
z
,
3
*
ecc
->
size
);
z
[
ecc
->
size
]
=
z
[
2
*
ecc
->
size
]
=
1
;
ecc_a_to_j
(
ecc
,
g
,
ecc
->
g
);
ecc_dup_eh
(
ecc
,
p
,
z
,
scratch
);
if
(
!
point_zero_p
(
ecc
,
p
))
die
(
"dup of zero point failed.
\n
"
);
ecc_dup_eh
(
ecc
,
p
,
g
,
scratch
);
test_ecc_mul_h
(
i
,
2
,
p
);
ecc_dup_eh
(
ecc
,
p
,
p
,
scratch
);
test_ecc_mul_h
(
i
,
4
,
p
);
free
(
z
);
}
else
{
ecc_a_to_j
(
ecc
,
g
,
ecc
->
g
);
ecc_dup_jj
(
ecc
,
p
,
g
,
scratch
);
test_ecc_mul_h
(
i
,
2
,
p
);
ecc_dup_jj
(
ecc
,
p
,
p
,
scratch
);
test_ecc_mul_h
(
i
,
4
,
p
);
}
free
(
p
);
free
(
g
);
free
(
scratch
);
}
}
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
.
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment