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This commit is contained in:
TLINDEN
2014-12-14 18:06:45 +01:00
parent 7d76d41944
commit 5f13d5d810
6 changed files with 194 additions and 44 deletions
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1
autogen.sh
View File

@@ -63,6 +63,7 @@ Pretty Curved Privacy - File encryption using eliptic curve cryptography.
bindings/py/gencffi.pl include/pcp/defines.h include/pcp/structs.h include/pcp/key.h \
include/pcp/buffer.h include/pcp/context.h include/pcp/mac.h \
include/pcp/ed.h include/pcp/crypto.h include/pcp/vault.h \
include/pcp/mgmt.h \
include/pcp/pcpstream.h include/pcp/z85.h > bindings/py/pypcp/raw.py
exit

69
bindings/py/pypcp/__init__.py
View File

@@ -1,18 +1,83 @@
from cffi import FFI
from pypcp.dll import *
from pprint import pprint
__all__ = ('raw Key'.split() )
__all__ = ('raw Key PublicKey'.split() )
# https://gist.github.com/inactivist/4ef7058c2132fa16759d
class Context(object):
def __init__(self):
self._ctx = libpcp.ptx_new()
def __del__(self):
libpcp.ptx_clean(self._ctx)
def throw(self, E=None, msg=None):
# forward libpcp generated exceptions
pcpmsg = ffi.string(self._ctx.pcp_err)
if msg:
pcpmsg = "%s: %s" % (msg, pcpmsg)
if E:
raise E(pcpmsg)
else:
raise RuntimeError(pcpmsg)
class PublicKey(object):
def __init__(self, pk=None, encoded=None):
self._pk = None
if pk:
self._pk = pk
elif encoded:
self.importkey(Context(), encoded)
else:
self._pk = ffi.new("struct _pcp_pubkey_t*")
for key, value in convert_to_python(self._pk).iteritems():
self.__setattr__(key, value)
def importkey(self, context, encoded=None):
ks = libpcp.pcp_import_pub(context._ctx, encoded, len(encoded))
if not ks:
context.throw(IOError, "failed to import key")
self._pk = ks.p
def dump(self):
if self._pk:
libpcp.pcp_dumppubkey(self._pk)
def __dict__(self):
return convert_to_python(self._pk)
class Key(object):
def __init__(self, owner=None, mail=None, sk=None):
def __init__(self, owner=None, mail=None, sk=None, encoded=None, passphrase=None):
self._sk = None
if owner or mail:
# generate new one
if not owner:
owner=''
if not mail:
mail=''
self.generate(owner, mail)
elif sk:
# use the raw sk
self._sk = sk
elif encoded:
# import an encoded key
self.importkey(Context(), encoded, passphrase)
else:
self._sk = ffi.new("struct pcp_key_t*")
for key, value in convert_to_python(self._sk).iteritems():
self.__setattr__(key, value)
def importkey(self, context, encoded=None, passphrase=None):
sk = libpcp.pcp_import_secret(context._ctx, encoded, len(encoded), passphrase)
if not sk:
context.throw(IOError, "failed to import key")
self._sk = sk
def generate(self, owner=None, mail=None):
self._sk = libpcp.pcpkey_new()

26
bindings/py/pypcp/dll.py
View File

@@ -3,6 +3,32 @@ from static import *
from cffi import FFI
# from:
# https://gist.github.com/inactivist/4ef7058c2132fa16759d
# with fixes
def __convert_struct_field( s, fields ):
for field,fieldtype in fields:
if fieldtype.type.kind == 'primitive':
yield (field,getattr( s, field ))
else:
yield (field, convert_to_python( getattr( s, field ) ))
def convert_to_python(s):
type=ffi.typeof(s)
if type.item.kind == 'struct':
return dict(__convert_struct_field( s, type.item.fields ) )
elif type.kind == 'array':
if type.item.kind == 'primitive':
if type.item.cname == 'char':
return ffi.string(s)
else:
return [ s[i] for i in range(type.length) ]
else:
return [ convert_to_python(s[i]) for i in range(type.length) ]
elif type.kind == 'primitive':
return int(s)
ffi = FFI()
libpcp = ffi.dlopen('libpcp1.so.0')

130
bindings/py/pypcp/raw.py
View File

@@ -545,125 +545,173 @@ vault_item_header_t * ih2be(vault_item_header_t *h);
/*** bindings/py/gencffi.pl: from include/pcp/vault.h:2453 */
vault_item_header_t * ih2native(vault_item_header_t *h);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
Buffer *pcp_export_rfc_pub (pcp_key_t *sk);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
Buffer *pcp_export_pbp_pub(pcp_key_t *sk);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
Buffer *pcp_export_yaml_pub(pcp_key_t *sk);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
Buffer *pcp_export_perl_pub(pcp_key_t *sk);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
Buffer *pcp_export_c_pub(pcp_key_t *sk);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
Buffer *pcp_export_secret(PCPCTX *ptx, pcp_key_t *sk, char *passphrase);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
pcp_ks_bundle_t *pcp_import_binpub(PCPCTX *ptx, byte *raw, size_t rawsize);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
pcp_ks_bundle_t *pcp_import_pub(PCPCTX *ptx, byte *raw, size_t rawsize);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
pcp_ks_bundle_t *pcp_import_pub_rfc(PCPCTX *ptx, Buffer *blob);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
pcp_ks_bundle_t *pcp_import_pub_pbp(PCPCTX *ptx, Buffer *blob);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
pcp_key_t *pcp_import_binsecret(PCPCTX *ptx, byte *raw, size_t rawsize, char *passphrase);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
pcp_key_t *pcp_import_secret(PCPCTX *ptx, byte *raw, size_t rawsize, char *passphrase);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
pcp_key_t *pcp_import_secret_native(PCPCTX *ptx, Buffer *cipher, char *passphrase);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
int _check_keysig_h(PCPCTX *ptx, Buffer *blob, rfc_pub_sig_h *h);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
int _check_hash_keysig(PCPCTX *ptx, Buffer *blob, pcp_pubkey_t *p, pcp_keysig_t *sk);
/*** bindings/py/gencffi.pl: from include/pcp/mgmt.h:2712 */
int _check_sigsubs(PCPCTX *ptx, Buffer *blob, pcp_pubkey_t *p, rfc_pub_sig_s *subheader);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
Pcpstream *ps_init(void);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
Pcpstream *ps_new_file(FILE *backendfd);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
Pcpstream *ps_new_inbuffer(Buffer *b);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
Pcpstream *ps_new_outbuffer();
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_read(Pcpstream *stream, void *buf, size_t readbytes);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_write(Pcpstream *stream, void *buf, size_t writebytes);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_finish(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_print(Pcpstream *stream, const char * fmt, ...);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_tell(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
Buffer *ps_buffer(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
void ps_close(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
int ps_end(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
int ps_err(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
void ps_setdetermine(Pcpstream *stream, size_t blocksize);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
void ps_armor(Pcpstream *stream, size_t blocksize);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
void ps_unarmor(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_read_decode(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
void ps_determine(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_read_next(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_read_cached(Pcpstream *stream, void *buf, size_t readbytes);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_read_raw(Pcpstream *stream, void *buf, size_t readbytes);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
void ps_write_encode(Pcpstream *stream, Buffer *dst);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
size_t ps_write_buf(Pcpstream *stream, Buffer *z);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
int ps_left(Pcpstream *stream);
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:2744 */
/*** bindings/py/gencffi.pl: from include/pcp/pcpstream.h:3003 */
int ps_readline(Pcpstream *stream, Buffer *line);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
byte *pcp_padfour(byte *src, size_t srclen, size_t *dstlen);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
size_t pcp_unpadfour(byte *src, size_t srclen);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
byte *pcp_z85_decode(PCPCTX *ptx, char *z85block, size_t *dstlen);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
char *pcp_z85_encode(byte *raw, size_t srclen, size_t *dstlen, int doblock);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
char *pcp_readz85file(PCPCTX *ptx, FILE *infile);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
char *pcp_readz85string(PCPCTX *ptx, byte *input, size_t bufsize);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
uint8_t is_utf8(const byte * bytes);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
size_t _buffer_is_binary(byte *buf, size_t len);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
uint8_t _parse_zchar(Buffer *z, uint8_t c, uint8_t is_comment);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
long int z85_header_startswith(Buffer *buf, char *what);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
int z85_isheader(Buffer *buf);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
int z85_isend(Buffer *buf);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
int z85_isbegin(Buffer *buf);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
int z85_iscomment(Buffer *buf);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
int z85_isempty(Buffer *line);
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:2922 */
/*** bindings/py/gencffi.pl: from include/pcp/z85.h:3181 */
int z85_isencoded(Buffer *line);'''

11
bindings/py/test.py
View File

@@ -1,7 +1,18 @@
#!/usr/local/bin/python
from pypcp import *
from pprint import pprint
sk = Key("tom", "me@there")
sk.dump()
encoded = open("../../tests/key-bobby-sec", "r").read()
sk = Key(encoded=encoded, passphrase="b")
sk.dump()
p = open("../../tests/key-bobby-pub", "r").read()
pk = PublicKey(encoded=p)
pk.dump()
pprint(pk.masterpub)

1
include/pcp.h
View File

@@ -8,7 +8,6 @@ extern "C" {
#include "pcp/config.h"
#include "pcp/base85.h"
#include "pcp/buffer.h"
#include "pcp/config.h"
#include "pcp/context.h"
#include "pcp/crypto.h"
#include "pcp/defines.h"