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agent: Support EdDSA. 

* agent/pksign.c (agent_pksign_do): Handle EdDSA signature.
This commit is contained in:
NIIBE Yutaka 2014-04-08 12:15:20 +09:00
parent 40c3b0741e
commit 5ff6d0c25e
1 changed files with 16 additions and 5 deletions
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21
agent/pksign.c
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@ -324,12 +324,18 @@ agent_pksign_do (ctrl_t ctrl, const char *cache_nonce,
int key_type;
int is_RSA = 0;
int is_ECDSA = 0;
int is_EdDSA = 0;
key_type = agent_is_dsa_key (s_skey);
if (key_type == 0)
is_RSA = 1;
else if (key_type == GCRY_PK_ECDSA)
is_ECDSA = 1;
if (agent_is_eddsa_key (s_skey))
is_EdDSA = 1;
else
{
key_type = agent_is_dsa_key (s_skey);
if (key_type == 0)
is_RSA = 1;
else if (key_type == GCRY_PK_ECDSA)
is_ECDSA = 1;
}
rc = divert_pksign (ctrl,
data, datalen,
@ -356,6 +362,11 @@ agent_pksign_do (ctrl_t ctrl, const char *cache_nonce,
rc = gcry_sexp_build (&s_sig, NULL, "(sig-val(rsa(s%b)))", len, buf);
}
else if (is_EdDSA)
{
rc = gcry_sexp_build (&s_sig, NULL, "(sig-val(eddsa(r%b)(s%b)))",
len/2, buf, len/2, buf + len/2);
}
else if (is_ECDSA)
{
unsigned char *r_buf_allocated = NULL;