mirror of https://github.com/tp4a/teleport
134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/*
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* This file is part of the SSH Library
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*
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* Copyright (c) 2010 by Aris Adamantiadis
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef PKI_H_
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#define PKI_H_
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#include "libssh/priv.h"
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#ifdef HAVE_OPENSSL_EC_H
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#include <openssl/ec.h>
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#endif
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#ifdef HAVE_OPENSSL_ECDSA_H
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#include <openssl/ecdsa.h>
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#endif
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#include "libssh/crypto.h"
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#include "libssh/ed25519.h"
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#define MAX_PUBKEY_SIZE 0x100000 /* 1M */
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#define MAX_PRIVKEY_SIZE 0x400000 /* 4M */
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#define SSH_KEY_FLAG_EMPTY 0x0
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#define SSH_KEY_FLAG_PUBLIC 0x0001
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#define SSH_KEY_FLAG_PRIVATE 0x0002
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struct ssh_key_struct {
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enum ssh_keytypes_e type;
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int flags;
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const char *type_c; /* Don't free it ! it is static */
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int ecdsa_nid;
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#ifdef HAVE_LIBGCRYPT
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gcry_sexp_t dsa;
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gcry_sexp_t rsa;
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void *ecdsa;
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#elif HAVE_LIBCRYPTO
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DSA *dsa;
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RSA *rsa;
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#ifdef HAVE_OPENSSL_ECC
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EC_KEY *ecdsa;
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#else
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void *ecdsa;
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#endif /* HAVE_OPENSSL_EC_H */
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#endif
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ed25519_pubkey *ed25519_pubkey;
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ed25519_privkey *ed25519_privkey;
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void *cert;
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enum ssh_keytypes_e cert_type;
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};
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struct ssh_signature_struct {
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enum ssh_keytypes_e type;
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const char *type_c;
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#ifdef HAVE_LIBGCRYPT
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gcry_sexp_t dsa_sig;
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gcry_sexp_t rsa_sig;
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void *ecdsa_sig;
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#elif defined HAVE_LIBCRYPTO
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DSA_SIG *dsa_sig;
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ssh_string rsa_sig;
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# ifdef HAVE_OPENSSL_ECC
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ECDSA_SIG *ecdsa_sig;
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# else
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void *ecdsa_sig;
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# endif
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#endif
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ed25519_signature *ed25519_sig;
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};
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typedef struct ssh_signature_struct *ssh_signature;
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/* SSH Key Functions */
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ssh_key ssh_key_dup(const ssh_key key);
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void ssh_key_clean (ssh_key key);
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/* SSH Signature Functions */
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ssh_signature ssh_signature_new(void);
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void ssh_signature_free(ssh_signature sign);
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int ssh_pki_export_signature_blob(const ssh_signature sign,
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ssh_string *sign_blob);
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int ssh_pki_import_signature_blob(const ssh_string sig_blob,
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const ssh_key pubkey,
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ssh_signature *psig);
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int ssh_pki_signature_verify_blob(ssh_session session,
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ssh_string sig_blob,
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const ssh_key key,
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unsigned char *digest,
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size_t dlen);
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/* SSH Public Key Functions */
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int ssh_pki_export_pubkey_blob(const ssh_key key,
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ssh_string *pblob);
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int ssh_pki_import_pubkey_blob(const ssh_string key_blob,
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ssh_key *pkey);
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int ssh_pki_export_pubkey_rsa1(const ssh_key key,
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const char *host,
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char *rsa1,
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size_t rsa1_len);
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int ssh_pki_import_cert_blob(const ssh_string cert_blob,
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ssh_key *pkey);
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/* SSH Signing Functions */
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ssh_string ssh_pki_do_sign(ssh_session session, ssh_buffer sigbuf,
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const ssh_key privatekey);
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ssh_string ssh_pki_do_sign_agent(ssh_session session,
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struct ssh_buffer_struct *buf,
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const ssh_key pubkey);
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ssh_string ssh_srv_pki_do_sign_sessionid(ssh_session session,
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const ssh_key privkey);
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/* Temporary functions, to be removed after migration to ssh_key */
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ssh_public_key ssh_pki_convert_key_to_publickey(const ssh_key key);
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ssh_private_key ssh_pki_convert_key_to_privatekey(const ssh_key key);
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#endif /* PKI_H_ */
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