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| author | NIIBE Yutaka <gniibe@fsij.org> | 2016-02-12 13:50:02 +0900 |
|---|---|---|
| committer | NIIBE Yutaka <gniibe@fsij.org> | 2016-02-12 13:50:02 +0900 |
| commit | 7a019bc7ecdbdfdef51094e090ce95e062da9b64 (patch) | |
| tree | b6f8a0c92ec53ab23bf8eec73f6aaa049074417d /cipher/ecc.c | |
| parent | b12dd550fd6af687ef95c584d0d8366c34965cc8 (diff) | |
| download | libgcrypt-7a019bc7ecdbdfdef51094e090ce95e062da9b64.tar.gz | |
ecc: Not validate input point for Curve25519.
* cipher/ecc.c (ecc_decrypt_raw): Curve25519 is an exception.
--
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
Diffstat (limited to 'cipher/ecc.c')
| -rw-r--r-- | cipher/ecc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/cipher/ecc.c b/cipher/ecc.c index d1fe8237..4cdbb149 100644 --- a/cipher/ecc.c +++ b/cipher/ecc.c @@ -1570,7 +1570,9 @@ ecc_decrypt_raw (gcry_sexp_t *r_plain, gcry_sexp_t s_data, gcry_sexp_t keyparms) if (DBG_CIPHER) log_printpnt ("ecc_decrypt kG", &kG, NULL); - if (!_gcry_mpi_ec_curve_point (&kG, ec)) + if (!(curvename && !strcmp (curvename, "Curve25519")) + /* For Curve25519, by its definition, validation should not be done. */ + && !_gcry_mpi_ec_curve_point (&kG, ec)) { rc = GPG_ERR_INV_DATA; goto leave; |