Skip to content
GitLab
Projects
Groups
Snippets
/
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
Menu
Open sidebar
Nettle
nettle
Commits
11540d02
Commit
11540d02
authored
Jan 03, 2017
by
Nikos Mavrogiannopoulos
Committed by
Niels Möller
Jan 03, 2017
Browse files
ecdsa_verify: eliminated memory leak on error path
parent
f8ad54fa
Changes
1
Hide whitespace changes
Inline
Side-by-side
ecdsa-verify.c
View file @
11540d02
...
...
@@ -52,7 +52,7 @@ ecdsa_verify (const struct ecc_point *pub,
/* For ECC_MUL_A_WBITS == 0, at most 1512 bytes. With
ECC_MUL_A_WBITS == 4, currently needs 67 * ecc->size, at most
4824 bytes. Don't use stack allocation for this. */
mp_limb_t
*
scratch
=
gmp_alloc_limbs
(
itch
)
;
mp_limb_t
*
scratch
;
int
res
;
#define rp scratch
...
...
@@ -62,6 +62,8 @@ ecdsa_verify (const struct ecc_point *pub,
if
(
mpz_sgn
(
signature
->
r
)
<=
0
||
mpz_size
(
signature
->
r
)
>
size
||
mpz_sgn
(
signature
->
s
)
<=
0
||
mpz_size
(
signature
->
s
)
>
size
)
return
0
;
scratch
=
gmp_alloc_limbs
(
itch
);
mpz_limbs_copy
(
rp
,
signature
->
r
,
size
);
mpz_limbs_copy
(
sp
,
signature
->
s
,
size
);
...
...
Write
Preview
Supports
Markdown
0%
Try again
or
attach a new 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