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| author | NIIBE Yutaka <[email protected]> | 2025-08-04 08:45:53 +0000 |
|---|---|---|
| committer | NIIBE Yutaka <[email protected]> | 2025-08-04 08:45:53 +0000 |
| commit | d52be132c779f198aa026b8a76f41dffae81c837 (patch) | |
| tree | ac90091d39d5d60d91debcfe0e4d0017e5171ef3 | |
| parent | gpg: Improve the "help" and "full-help" --foo-options. (diff) | |
| download | gnupg-d52be132c779f198aa026b8a76f41dffae81c837.tar.gz gnupg-d52be132c779f198aa026b8a76f41dffae81c837.zip | |
gpg: Fix a regression composite KEM with PQC and ECC.
* g10/pkglue.c (do_encrypt_kem): Length of shared secret is the hash
length in this case, not the scalar length.
--
GnuPG-bug-id: 7649
Signed-off-by: NIIBE Yutaka <[email protected]>
| -rw-r--r-- | g10/pkglue.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/g10/pkglue.c b/g10/pkglue.c index a6bd893b3..11d252f0a 100644 --- a/g10/pkglue.c +++ b/g10/pkglue.c @@ -486,8 +486,8 @@ do_encrypt_kem (PKT_public_key *pk, gcry_mpi_t data, int seskey_algo, goto leave; } ecc_ct_len = ecc_ecdh_len = ecc->point_len; - ecc_ss_len = ecc->scalar_len; ecc_hash_algo = ecc->hash_algo; + ecc_ss_len = gcry_md_get_algo_dlen (ecc_hash_algo); ecc_pubkey = gcry_mpi_get_opaque (pk->pkey[1], &nbits); ecc_pubkey_len = (nbits+7)/8; |