Added crypto, wrapper definition files.

Author: Pan

ssh/c_crypto.pxd

@@ -0,0 +1,64 @@
+# This file is part of ssh-python.
+# Copyright (C) 2018 Panos Kittenis
+#
+# 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, version 2.1.
+#
+# 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  02110-130
+
+from c_ssh cimport ssh_string
+from c_wrapper cimport ssh_mac_e, ssh_hmac_e, ssh_des_e, ssh_hmac_struct
+
+cdef extern from "libssh/include/crypto.h" nogil:
+    enum:
+        DIGEST_MAX_LEN
+    enum ssh_key_exchange_e:
+        SSH_KEX_DH_GROUP1_SHA1,
+        SSH_KEX_DH_GROUP14_SHA1,
+        SSH_KEX_ECDH_SHA2_NISTP256,
+        SSH_KEX_ECDH_SHA2_NISTP384,
+        SSH_KEX_ECDH_SHA2_NISTP521,
+        SSH_KEX_CURVE25519_SHA256_LIBSSH_ORG
+
+    enum ssh_cipher_e:
+        SSH_NO_CIPHER,
+        SSH_BLOWFISH_CBC,
+        SSH_3DES_CBC,
+        SSH_3DES_CBC_SSH1,
+        SSH_DES_CBC_SSH1,
+        SSH_AES128_CBC,
+        SSH_AES192_CBC,
+        SSH_AES256_CBC,
+        SSH_AES128_CTR,
+        SSH_AES192_CTR,
+        SSH_AES256_CTR
+
+    struct ssh_crypto_struct:
+        pass
+
+    ssh_string dh_server_signature
+    size_t digest_len
+    unsigned char *session_id
+    unsigned char *secret_hash
+    unsigned char *encryptIV
+    unsigned char *decryptIV
+    unsigned char *decryptkey
+    unsigned char *encryptkey
+    unsigned char *encryptMAC
+    unsigned char *decryptMAC
+    unsigned char hmacbuf[DIGEST_MAX_LEN]
+    ssh_hmac_e in_hmac, out_hmac
+    struct ssh_cipher_struct:
+        const char *name
+        unsigned int blocksize
+        ssh_cipher_e ciphertype
+    ssh_cipher_struct *in_cipher
+    ssh_cipher_struct *out_cipher

ssh/c_wrapper.pxd

@@ -0,0 +1,89 @@
+# This file is part of ssh-python.
+# Copyright (C) 2018 Panos Kittenis
+#
+# 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, version 2.1.
+#
+# 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  02110-130
+
+from c_ssh cimport ssh_session
+from c_crypto cimport ssh_cipher_struct, ssh_crypto_struct
+
+cdef extern from "libssh/include/wrapper.h" nogil:
+    enum ssh_mac_e:
+        SSH_MAC_SHA1,
+        SSH_MAC_SHA256,
+        SSH_MAC_SHA384,
+        SSH_MAC_SHA512
+
+    enum ssh_hmac_e:
+        SSH_HMAC_SHA1,
+        SSH_HMAC_SHA256,
+        SSH_HMAC_SHA384,
+        SSH_HMAC_SHA512,
+        SSH_HMAC_MD5
+
+    enum ssh_des_e:
+        SSH_3DES,
+        SSH_DES
+
+    struct ssh_hmac_struct:
+        const char* name
+        ssh_hmac_e hmac_type
+
+    # ctypedef ssh_mac_ctx_struct *ssh_mac_ctx
+    # MD5CTX md5_init()
+    # void md5_update(MD5CTX c, const void *data, unsigned long len)
+    # void md5_final(unsigned char *md,MD5CTX c)
+    # SHACTX sha1_init()
+    # void sha1_update(SHACTX c, const void *data, unsigned long len)
+    # void sha1_final(unsigned char *md,SHACTX c)
+    void sha1(unsigned char *digest,int len,unsigned char *hash)
+
+    # SHA256CTX sha256_init()
+    # void sha256_update(SHA256CTX c, const void *data, unsigned long len)
+    # void sha256_final(unsigned char *md,SHA256CTX c)
+    void sha256(unsigned char *digest, int len, unsigned char *hash)
+
+    # SHA384CTX sha384_init();
+    # void sha384_update(SHA384CTX c, const void *data, unsigned long len)
+    # void sha384_final(unsigned char *md,SHA384CTX c)
+    void sha384(unsigned char *digest, int len, unsigned char *hash)
+
+    # SHA512CTX sha512_init();
+    # void sha512_update(SHA512CTX c, const void *data, unsigned long len)
+    # void sha512_final(unsigned char *md,SHA512CTX c)
+    void sha512(unsigned char *digest, int len, unsigned char *hash)
+
+    void evp(int nid, unsigned char *digest, int len, unsigned char *hash, unsigned int *hlen)
+    # EVPCTX evp_init(int nid)
+    # void evp_update(EVPCTX ctx, const void *data, unsigned long len)
+    # void evp_final(EVPCTX ctx, unsigned char *md, unsigned int *mdlen)
+
+    # ssh_mac_ctx ssh_mac_ctx_init(ssh_mac_e type)
+    # void ssh_mac_update(ssh_mac_ctx ctx, const void *data, unsigned long len)
+    # void ssh_mac_final(unsigned char *md, ssh_mac_ctx ctx)
+
+    # HMACCTX hmac_init(const void *key,int len, ssh_hmac_e type)
+    # void hmac_update(HMACCTX c, const void *data, unsigned long len)
+    # void hmac_final(HMACCTX ctx,unsigned char *hashmacbuf,unsigned int *len)
+    size_t hmac_digest_len(ssh_hmac_e type)
+
+    int crypt_set_algorithms(ssh_session session, ssh_des_e des_type)
+    int crypt_set_algorithms_server(ssh_session session)
+    ssh_crypto_struct *crypto_new()
+    void crypto_free(ssh_crypto_struct *crypto)
+
+    void ssh_reseed()
+
+    void ssh_cipher_clear(ssh_cipher_struct *cipher)
+    ssh_hmac_struct *ssh_get_hmactab()
+    const char *ssh_hmac_type_to_string(ssh_hmac_e hmac_type)

ssh/ssh.pyx

@@ -20,3 +20,5 @@ cimport c_agent
 cimport c_auth
 cimport c_channels
 cimport c_misc
+cimport c_crypto
+cimport c_wrapper