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/*
* This file is part of the SSH Library
*
* Copyright (c) 2010 by Aris Adamantiadis
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PKI_H_
#define PKI_H_
#ifdef HAVE_OPENSSL_EC_H
#include <openssl/ec.h>
#endif
#ifdef HAVE_OPENSSL_ECDSA_H
#include <openssl/ecdsa.h>
#endif
#include "libssh/crypto.h"
#define MAX_PUBKEY_SIZE 0x100000 /* 1M */
#define SSH_KEY_FLAG_EMPTY 0x0
#define SSH_KEY_FLAG_PUBLIC 0x0001
#define SSH_KEY_FLAG_PRIVATE 0x0002
struct ssh_key_struct {
enum ssh_keytypes_e type;
int flags;
const char *type_c; /* Don't free it ! it is static */
int ecdsa_nid;
#ifdef HAVE_LIBGCRYPT
gcry_sexp_t dsa;
gcry_sexp_t rsa;
void *ecdsa;
#elif HAVE_LIBCRYPTO
DSA *dsa;
RSA *rsa;
#ifdef HAVE_OPENSSL_ECC
EC_KEY *ecdsa;
#else
void *ecdsa;
#endif /* HAVE_OPENSSL_EC_H */
#endif
void *cert;
};
struct ssh_signature_struct {
enum ssh_keytypes_e type;
#ifdef HAVE_LIBGCRYPT
gcry_sexp_t dsa_sig;
gcry_sexp_t rsa_sig;
void *ecdsa_sig;
#elif defined HAVE_LIBCRYPTO
DSA_SIG *dsa_sig;
ssh_string rsa_sig;
# ifdef HAVE_OPENSSL_ECC
ECDSA_SIG *ecdsa_sig;
# else
void *ecdsa_sig;
# endif
#endif
};
typedef struct ssh_signature_struct *ssh_signature;
/* SSH Key Functions */
ssh_key ssh_key_dup(const ssh_key key);
void ssh_key_clean (ssh_key key);
/* SSH Signature Functions */
ssh_signature ssh_signature_new(void);
void ssh_signature_free(ssh_signature sign);
int ssh_pki_export_signature_blob(const ssh_signature sign,
ssh_string *sign_blob);
int ssh_pki_import_signature_blob(const ssh_string sig_blob,
const ssh_key pubkey,
ssh_signature *psig);
int ssh_pki_signature_verify_blob(ssh_session session,
ssh_string sig_blob,
const ssh_key key,
unsigned char *digest,
size_t dlen);
/* SSH Public Key Functions */
int ssh_pki_export_pubkey_blob(const ssh_key key,
ssh_string *pblob);
int ssh_pki_import_pubkey_blob(const ssh_string key_blob,
ssh_key *pkey);
int ssh_pki_export_pubkey_rsa1(const ssh_key key,
const char *host,
char *rsa1,
size_t rsa1_len);
/* SSH Signing Functions */
ssh_string ssh_pki_do_sign(ssh_session session, ssh_buffer sigbuf,
ssh_key privatekey);
ssh_string ssh_pki_do_sign_agent(ssh_session session,
struct ssh_buffer_struct *buf,
const ssh_key pubkey);
ssh_string ssh_srv_pki_do_sign_sessionid(ssh_session session,
const ssh_key privkey);
/* Temporary functions, to be removed after migration to ssh_key */
ssh_public_key ssh_pki_convert_key_to_publickey(ssh_key key);
ssh_private_key ssh_pki_convert_key_to_privatekey(ssh_key key);
#endif /* PKI_H_ */
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