/**
* @brief Convert a public_key object into a a SSH string.
*
* @param[in] key The public key to convert.
*
* @returns An allocated SSH String containing the public key, NULL
* on error.
*
* @see string_free()
*/
ssh_string publickey_to_string(ssh_public_key key) {
ssh_string type = NULL;
ssh_string ret = NULL;
ssh_buffer buf = NULL;
buf = ssh_buffer_new();
if (buf == NULL) {
return NULL;
}
type = ssh_string_from_char(key->type_c);
if (type == NULL) {
goto error;
}
if (buffer_add_ssh_string(buf, type) < 0) {
goto error;
}
switch (key->type) {
case SSH_KEYTYPE_DSS:
if (dsa_public_to_string(key->dsa_pub, buf) < 0) {
goto error;
}
break;
case SSH_KEYTYPE_RSA:
case SSH_KEYTYPE_RSA1:
if (rsa_public_to_string(key->rsa_pub, buf) < 0) {
goto error;
}
break;
}
ret = ssh_string_new(buffer_get_rest_len(buf));
if (ret == NULL) {
goto error;
}
ssh_string_fill(ret, buffer_get_rest(buf), buffer_get_rest_len(buf));
error:
ssh_buffer_free(buf);
if(type != NULL)
ssh_string_free(type);
return ret;
}
/** \brief makes a SSH String out of a PUBLIC_KEY object
* \param key the public key
* \returns a SSH String containing the public key
* \see string_free()
*/
STRING *publickey_to_string(PUBLIC_KEY *key) {
STRING *type = NULL;
STRING *ret = NULL;
BUFFER *buf = NULL;
buf = buffer_new();
if (buf == NULL) {
return NULL;
}
type = string_from_char(key->type_c);
if (type == NULL) {
goto error;
}
if (buffer_add_ssh_string(buf, type) < 0) {
goto error;
}
switch (key->type) {
case TYPE_DSS:
if (dsa_public_to_string(key->dsa_pub, buf) < 0) {
goto error;
}
break;
case TYPE_RSA:
case TYPE_RSA1:
if (rsa_public_to_string(key->rsa_pub, buf) < 0) {
goto error;
}
break;
}
ret = string_new(buffer_get_len(buf));
if (ret == NULL) {
goto error;
}
string_fill(ret, buffer_get(buf), buffer_get_len(buf));
error:
buffer_free(buf);
string_free(type);
return ret;
}
/** \brief makes a SSH String out of a PUBLIC_KEY object
* \param key the public key
* \returns a SSH String containing the public key
* \see string_free()
*/
STRING *publickey_to_string(PUBLIC_KEY *key){
STRING *type;
STRING *ret;
BUFFER *buf;
type=string_from_char(ssh_type_to_char(key->type));
buf=buffer_new();
buffer_add_ssh_string(buf,type);
switch(key->type){
case TYPE_DSS:
dsa_public_to_string(key->dsa_pub,buf);
break;
case TYPE_RSA:
case TYPE_RSA1:
rsa_public_to_string(key->rsa_pub,buf);
break;
}
ret=string_new(buffer_get_len(buf));
string_fill(ret,buffer_get(buf),buffer_get_len(buf));
buffer_free(buf);
free(type);
return ret;
}
