Implemented minimal cert extension support

[oss/ctypescrypto.git] / ctypescrypto / pkey.py

diff --git a/ctypescrypto/pkey.py b/ctypescrypto/pkey.py
index f011443a2173ede8058e21c4323ba2967462ace2..59a53486f9f62e877cf1748fc5e6c83f5f15a063 100644 (file)
--- a/ctypescrypto/pkey.py
+++ b/ctypescrypto/pkey.py
@@ -1,26 +1,27 @@
 """
 """

-low-level private/public keypair operation
+This module provides interface for low-level private/public keypair operation

 
 PKey object of this module is wrapper around OpenSSL EVP_PKEY object.
 """
 
 
 PKey object of this module is wrapper around OpenSSL EVP_PKEY object.
 """
 

-This module provides interface for 

 
 from ctypes import c_char_p,c_void_p,byref,c_int,c_long, c_longlong, create_string_buffer,CFUNCTYPE,POINTER
 from ctypescrypto import libcrypto
 from ctypescrypto.exception import LibCryptoError,clear_err_stack
 from ctypescrypto.bio import Membio
 import sys
 
 from ctypes import c_char_p,c_void_p,byref,c_int,c_long, c_longlong, create_string_buffer,CFUNCTYPE,POINTER
 from ctypescrypto import libcrypto
 from ctypescrypto.exception import LibCryptoError,clear_err_stack
 from ctypescrypto.bio import Membio
 import sys

+
+__all__ = ['PKeyError','password_callback','PKey']

 class PKeyError(LibCryptoError):
        pass
 
 CALLBACK_FUNC=CFUNCTYPE(c_int,c_char_p,c_int,c_int,c_char_p)
 def password_callback(buf,length,rwflag,u):
 class PKeyError(LibCryptoError):
        pass
 
 CALLBACK_FUNC=CFUNCTYPE(c_int,c_char_p,c_int,c_int,c_char_p)
 def password_callback(buf,length,rwflag,u):

-"""
-Example password callback for private key. Assumes that 
-password is store in the userdata parameter, so allows to pass password
-from constructor arguments to the libcrypto keyloading functions
-"""
+       """
+       Example password callback for private key. Assumes that 
+       password is store in the userdata parameter, so allows to pass password
+       from constructor arguments to the libcrypto keyloading functions
+       """

        cnt=len(u)
        if length<cnt:
                cnt=length
        cnt=len(u)
        if length<cnt:
                cnt=length


@@ -202,7 +203,7 @@ class PKey:
                return str(b)
        def exportpriv(self,format="PEM",password=None,cipher=None):
                """
                return str(b)
        def exportpriv(self,format="PEM",password=None,cipher=None):
                """

-                       Returns public key as PEM or DER Structure.
+                       Returns private key as PEM or DER Structure.

                        If password and cipher are specified, encrypts key
                        on given password, using given algorithm. Cipher must be
                        an ctypescrypto.cipher.CipherType object
                        If password and cipher are specified, encrypts key
                        on given password, using given algorithm. Cipher must be
                        an ctypescrypto.cipher.CipherType object


@@ -215,7 +216,7 @@ class PKey:
                                raise NotImplementedError("Interactive password entry is not supported")
                        evp_cipher=cipher.cipher
                if format == "PEM":
                                raise NotImplementedError("Interactive password entry is not supported")
                        evp_cipher=cipher.cipher
                if format == "PEM":

-                       r=libcrypto.PEM_write_bio_PrivateKey(b.bio,self.key,evp_cipher,_cb,
+                       r=libcrypto.PEM_write_bio_PrivateKey(b.bio,self.key,evp_cipher,None,0,_cb,

                                password)
                else:
                        if cipher is not None:
                                password)
                else:
                        if cipher is not None:


@@ -286,7 +287,7 @@ libcrypto.EVP_PKEY_verify.restype=c_int
 libcrypto.EVP_PKEY_verify.argtypes=(c_void_p,c_char_p,c_long,c_char_p,c_long)
 libcrypto.EVP_PKEY_verify_init.restype=c_int
 libcrypto.EVP_PKEY_verify_init.argtypes=(c_void_p,)
 libcrypto.EVP_PKEY_verify.argtypes=(c_void_p,c_char_p,c_long,c_char_p,c_long)
 libcrypto.EVP_PKEY_verify_init.restype=c_int
 libcrypto.EVP_PKEY_verify_init.argtypes=(c_void_p,)

-libcrypto.PEM_write_bio_PrivateKey.argtypes=(c_void_p,c_void_p,CALLBACK_FUNC,c_char_p)
+libcrypto.PEM_write_bio_PrivateKey.argtypes=(c_void_p,c_void_p,c_void_p,c_char_p,c_int,CALLBACK_FUNC,c_char_p)

 libcrypto.PEM_write_bio_PUBKEY.argtypes=(c_void_p,c_void_p)
 libcrypto.i2d_PUBKEY_bio.argtypes=(c_void_p,c_void_p)
 libcrypto.i2d_PrivateKey_bio.argtypes=(c_void_p,c_void_p)
 libcrypto.PEM_write_bio_PUBKEY.argtypes=(c_void_p,c_void_p)
 libcrypto.i2d_PUBKEY_bio.argtypes=(c_void_p,c_void_p)
 libcrypto.i2d_PrivateKey_bio.argtypes=(c_void_p,c_void_p)