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gpg: Support ECDH with v5 key.

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* g10/ecdh.c (build_kdf_params): Use the first 20 octets.
* g10/pkglue.c (pk_encrypt): Remove length check to 20.
* g10/pubkey-enc.c (get_it): Likewise.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2021-03-24 14:51:42 +09:00
parent a107b24ddb
commit 90a5b4e648
3 changed files with 10 additions and 10 deletions
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6
g10/pubkey-enc.c
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@ -201,7 +201,6 @@ get_it (ctrl_t ctrl,
char *desc;
char *keygrip;
byte fp[MAX_FINGERPRINT_LEN];
size_t fpn;
if (DBG_CLOCK)
log_clock ("decryption start");
@ -245,10 +244,7 @@ get_it (ctrl_t ctrl,
goto leave;
if (sk->pubkey_algo == PUBKEY_ALGO_ECDH)
{
fingerprint_from_pk (sk, fp, &fpn);
log_assert (fpn == 20);
}
fingerprint_from_pk (sk, fp, NULL);
/* Decrypt. */
desc = gpg_format_keydesc (ctrl, sk, FORMAT_KEYDESC_NORMAL, 1);