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gpg: Switch to an EdDSA format with prefix byte.

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* g10/keygen.c (gen_ecc): USe "comp" for EdDSA.
This commit is contained in:
Werner Koch 2014-07-24 16:16:53 +02:00
parent f2011e4622
commit 557cc11a60
1 changed files with 18 additions and 8 deletions
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26
g10/keygen.c
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@ -1526,12 +1526,23 @@ gen_ecc (int algo, const char *curve, kbnode_t pub_root,
if (!curve || !*curve) if (!curve || !*curve)
return gpg_error (GPG_ERR_UNKNOWN_CURVE); return gpg_error (GPG_ERR_UNKNOWN_CURVE);
keyparms = xtryasprintf ("(genkey(ecc(curve %zu:%s)(flags nocomp%s%s)))", /* Note that we use the "comp" flag with EdDSA to request the use of
strlen (curve), curve, a 0x40 compression prefix octet. */
(((keygen_flags & KEYGEN_FLAG_TRANSIENT_KEY) if (algo == PUBKEY_ALGO_EDDSA)
&& (keygen_flags & KEYGEN_FLAG_NO_PROTECTION))? keyparms = xtryasprintf
" transient-key" : ""), ("(genkey(ecc(curve %zu:%s)(flags eddsa comp%s)))",
(!strcmp (curve, "Ed25519")? " eddsa":"")); strlen (curve), curve,
(((keygen_flags & KEYGEN_FLAG_TRANSIENT_KEY)
&& (keygen_flags & KEYGEN_FLAG_NO_PROTECTION))?
" transient-key" : ""));
else
keyparms = xtryasprintf
("(genkey(ecc(curve %zu:%s)(flags nocomp%s)))",
strlen (curve), curve,
(((keygen_flags & KEYGEN_FLAG_TRANSIENT_KEY)
&& (keygen_flags & KEYGEN_FLAG_NO_PROTECTION))?
" transient-key" : ""));
if (!keyparms) if (!keyparms)
err = gpg_error_from_syserror (); err = gpg_error_from_syserror ();
else else
@ -3448,9 +3459,8 @@ quickgen_set_para (struct para_data_s *para, int for_subkey,
} }
/* /*
* Unattended generaion of a standard key. * Unattended generation of a standard key.
*/ */
void void
quick_generate_keypair (const char *uid) quick_generate_keypair (const char *uid)