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ecc-sos: Fix ECDH.

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* g10/ecdh.c (pk_ecdh_encrypt_with_shared_point): Fix deallocation.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2020-05-20 12:03:07 +09:00
parent 0691234951
commit cea6925fa4
1 changed files with 2 additions and 8 deletions
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10
g10/ecdh.c
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@ -133,10 +133,7 @@ pk_ecdh_encrypt_with_shared_point (int is_encrypt, gcry_mpi_t shared_mpi,
returns X with no prefix of 40, so, nbytes == secret_x_size
is allowed. */
if (nbytes < secret_x_size)
{
xfree (secret_x);
return gpg_error (GPG_ERR_BAD_DATA);
}
return gpg_error (GPG_ERR_BAD_DATA);
/* Remove the prefix. */
if ((nbytes & 1))
@ -159,10 +156,7 @@ pk_ecdh_encrypt_with_shared_point (int is_encrypt, gcry_mpi_t shared_mpi,
* a KEK.
*/
if (!gcry_mpi_get_flag (pkey[2], GCRYMPI_FLAG_OPAQUE))
{
xfree (secret_x);
return gpg_error (GPG_ERR_BUG);
}
return gpg_error (GPG_ERR_BUG);
kek_params = gcry_mpi_get_opaque (pkey[2], &nbits);
kek_params_size = (nbits+7)/8;