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pki: Add ssh_pki_import_pubkey_base64().

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This commit is contained in:
Andreas Schneider
2011-08-07 19:53:03 +02:00
parent f81444bd57
commit bec483bc18
5 changed files with 217 additions and 0 deletions
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127
src/pki.c
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@@ -345,6 +345,133 @@ int ssh_pki_import_privkey_base64(ssh_session session,
return SSH_OK;
}
int ssh_pki_import_pubkey_base64(ssh_session session,
const char *b64_key,
enum ssh_keytypes_e type,
ssh_key *pkey) {
ssh_buffer buffer;
ssh_key key;
int rc;
key = ssh_key_new();
if (key == NULL) {
return SSH_ERROR;
}
key->type = type;
key->type_c = ssh_key_type_to_char(type);
key->flags = SSH_KEY_FLAG_PUBLIC;
buffer = base64_to_bin(b64_key);
switch (type) {
case SSH_KEYTYPE_DSS:
{
ssh_string p;
ssh_string q;
ssh_string g;
ssh_string pubkey;
p = buffer_get_ssh_string(buffer);
if (p == NULL) {
goto fail;
}
q = buffer_get_ssh_string(buffer);
if (q == NULL) {
ssh_string_burn(p);
ssh_string_free(p);
goto fail;
}
g = buffer_get_ssh_string(buffer);
if (g == NULL) {
ssh_string_burn(p);
ssh_string_free(p);
ssh_string_burn(q);
ssh_string_free(q);
goto fail;
}
pubkey = buffer_get_ssh_string(buffer);
if (g == NULL) {
ssh_string_burn(p);
ssh_string_free(p);
ssh_string_burn(q);
ssh_string_free(q);
ssh_string_burn(g);
ssh_string_free(g);
goto fail;
}
rc = pki_pubkey_build_dss(key, p, q, g, pubkey);
#ifdef DEBUG_CRYPTO
ssh_print_hexa("p", ssh_string_data(p), ssh_string_len(p));
ssh_print_hexa("q", ssh_string_data(q), ssh_string_len(q));
ssh_print_hexa("g", ssh_string_data(g), ssh_string_len(g));
#endif
ssh_string_burn(p);
ssh_string_free(p);
ssh_string_burn(q);
ssh_string_free(q);
ssh_string_burn(g);
ssh_string_free(g);
if (rc == SSH_ERROR) {
goto fail;
}
}
break;
case SSH_KEYTYPE_RSA:
case SSH_KEYTYPE_RSA1:
{
ssh_string e;
ssh_string n;
e = buffer_get_ssh_string(buffer);
if (e == NULL) {
goto fail;
}
n = buffer_get_ssh_string(buffer);
if (n == NULL) {
ssh_string_burn(e);
ssh_string_free(e);
goto fail;
}
rc = pki_pubkey_build_rsa(key, e, n);
#ifdef DEBUG_CRYPTO
ssh_print_hexa("e", ssh_string_data(e), ssh_string_len(e));
ssh_print_hexa("n", ssh_string_data(n), ssh_string_len(n));
#endif
ssh_string_burn(e);
ssh_string_free(e);
ssh_string_burn(n);
ssh_string_free(n);
if (rc == SSH_ERROR) {
goto fail;
}
}
break;
case SSH_KEYTYPE_ECDSA:
case SSH_KEYTYPE_UNKNOWN:
ssh_set_error(session, SSH_FATAL,
"Unknown public key protocol %d",
type);
goto fail;
}
ssh_buffer_free(buffer);
*pkey = key;
return SSH_OK;
fail:
ssh_buffer_free(buffer);
ssh_key_free(key);
return SSH_ERROR;
}
ssh_key ssh_pki_publickey_from_privatekey(ssh_key privkey) {
return pki_publickey_from_privatekey(privkey);
}