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gpg: Support ECDH with v5 key.

Browse source 
* 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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5
g10/pkglue.c
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@ -419,7 +419,6 @@ pk_encrypt (pubkey_algo_t algo, gcry_mpi_t *resarr, gcry_mpi_t data,
{
gcry_mpi_t public, result;
byte fp[MAX_FINGERPRINT_LEN];
size_t fpn;
byte *shared;
size_t nshared;
@ -436,9 +435,7 @@ pk_encrypt (pubkey_algo_t algo, gcry_mpi_t *resarr, gcry_mpi_t data,
}
result = NULL;
fingerprint_from_pk (pk, fp, &fpn);
if (fpn != 20)
rc = gpg_error (GPG_ERR_INV_LENGTH);
fingerprint_from_pk (pk, fp, NULL);
if (!rc)
{