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| author | NIIBE Yutaka <[email protected]> | 2021-12-10 06:39:32 +0000 |
|---|---|---|
| committer | NIIBE Yutaka <[email protected]> | 2021-12-10 06:43:28 +0000 |
| commit | 61ac580a2075564bc775b6764a239dad5e336251 (patch) | |
| tree | faccf5e0dea7b9c4a7dc7b9c29e4f6e564280d7e /g10/sign.c | |
| parent | gpg: Fix function prototype to match declaration. (diff) | |
| download | gnupg-61ac580a2075564bc775b6764a239dad5e336251.tar.gz gnupg-61ac580a2075564bc775b6764a239dad5e336251.zip | |
gpg: Emit compatible Ed25519 signature.
* g10/pkglue.c (sexp_extract_param_sos_nlz): New.
* g10/pkglue.h: Add the declaration.
* g10/sign.c (do_sign): Use sexp_extract_param_sos_nlz for Ed25519.
--
Ed25519 signature in GnuPG 2.2 has no leading zeros.
GnuPG-bug-id: 5331
Signed-off-by: NIIBE Yutaka <[email protected]>
Diffstat (limited to 'g10/sign.c')
| -rw-r--r-- | g10/sign.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/g10/sign.c b/g10/sign.c index ea3de620b..98cfcb2e3 100644 --- a/g10/sign.c +++ b/g10/sign.c @@ -506,6 +506,13 @@ do_sign (ctrl_t ctrl, PKT_public_key *pksk, PKT_signature *sig, else if (pksk->pubkey_algo == GCRY_PK_RSA || pksk->pubkey_algo == GCRY_PK_RSA_S) sig->data[0] = get_mpi_from_sexp (s_sigval, "s", GCRYMPI_FMT_USG); + else if (pksk->pubkey_algo == PUBKEY_ALGO_EDDSA + && openpgp_oid_is_ed25519 (pksk->pkey[0])) + { + err = sexp_extract_param_sos_nlz (s_sigval, "r", &sig->data[0]); + if (!err) + err = sexp_extract_param_sos_nlz (s_sigval, "s", &sig->data[1]); + } else if (pksk->pubkey_algo == PUBKEY_ALGO_ECDSA || pksk->pubkey_algo == PUBKEY_ALGO_EDDSA) { |