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PyBitmessage-2021-04-27/src/pyelliptic/openssl.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2011 Yann GUIBET <yannguibet@gmail.com>
# See LICENSE for details.
#
# Software slightly changed by Jonathan Warren <bitmessage at-symbol jonwarren.org>
import sys
import ctypes
OpenSSL = None
class CipherName:
def __init__(self, name, pointer, blocksize):
self._name = name
self._pointer = pointer
self._blocksize = blocksize
def __str__(self):
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return "Cipher : " + self._name + \
" | Blocksize : " + str(self._blocksize) + \
" | Function pointer : " + str(self._pointer)
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def get_pointer(self):
return self._pointer()
def get_name(self):
return self._name
def get_blocksize(self):
return self._blocksize
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def get_version(library):
version = None
hexversion = None
cflags = None
try:
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# OpenSSL 1.1
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OPENSSL_VERSION = 0
OPENSSL_CFLAGS = 1
library.OpenSSL_version.argtypes = [ctypes.c_int]
library.OpenSSL_version.restype = ctypes.c_char_p
version = library.OpenSSL_version(OPENSSL_VERSION)
cflags = library.OpenSSL_version(OPENSSL_CFLAGS)
library.OpenSSL_version_num.restype = ctypes.c_long
hexversion = library.OpenSSL_version_num()
except AttributeError:
try:
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# OpenSSL 1.0
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SSLEAY_VERSION = 0
SSLEAY_CFLAGS = 2
library.SSLeay.restype = ctypes.c_long
library.SSLeay_version.restype = ctypes.c_char_p
library.SSLeay_version.argtypes = [ctypes.c_int]
version = library.SSLeay_version(SSLEAY_VERSION)
cflags = library.SSLeay_version(SSLEAY_CFLAGS)
hexversion = library.SSLeay()
except AttributeError:
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# raise NotImplementedError('Cannot determine version of this OpenSSL library.')
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pass
return (version, hexversion, cflags)
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class _OpenSSL:
"""
Wrapper for OpenSSL using ctypes
"""
def __init__(self, library):
"""
Build the wrapper
"""
self._lib = ctypes.CDLL(library)
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self._version, self._hexversion, self._cflags = get_version(self._lib)
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self._libreSSL = self._version.startswith("LibreSSL")
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self.pointer = ctypes.pointer
self.c_int = ctypes.c_int
self.byref = ctypes.byref
self.create_string_buffer = ctypes.create_string_buffer
self.BN_new = self._lib.BN_new
self.BN_new.restype = ctypes.c_void_p
self.BN_new.argtypes = []
self.BN_free = self._lib.BN_free
self.BN_free.restype = None
self.BN_free.argtypes = [ctypes.c_void_p]
self.BN_num_bits = self._lib.BN_num_bits
self.BN_num_bits.restype = ctypes.c_int
self.BN_num_bits.argtypes = [ctypes.c_void_p]
self.BN_bn2bin = self._lib.BN_bn2bin
self.BN_bn2bin.restype = ctypes.c_int
self.BN_bn2bin.argtypes = [ctypes.c_void_p, ctypes.c_void_p]
self.BN_bin2bn = self._lib.BN_bin2bn
self.BN_bin2bn.restype = ctypes.c_void_p
self.BN_bin2bn.argtypes = [ctypes.c_void_p, ctypes.c_int,
ctypes.c_void_p]
self.EC_KEY_free = self._lib.EC_KEY_free
self.EC_KEY_free.restype = None
self.EC_KEY_free.argtypes = [ctypes.c_void_p]
self.EC_KEY_new_by_curve_name = self._lib.EC_KEY_new_by_curve_name
self.EC_KEY_new_by_curve_name.restype = ctypes.c_void_p
self.EC_KEY_new_by_curve_name.argtypes = [ctypes.c_int]
self.EC_KEY_generate_key = self._lib.EC_KEY_generate_key
self.EC_KEY_generate_key.restype = ctypes.c_int
self.EC_KEY_generate_key.argtypes = [ctypes.c_void_p]
self.EC_KEY_check_key = self._lib.EC_KEY_check_key
self.EC_KEY_check_key.restype = ctypes.c_int
self.EC_KEY_check_key.argtypes = [ctypes.c_void_p]
self.EC_KEY_get0_private_key = self._lib.EC_KEY_get0_private_key
self.EC_KEY_get0_private_key.restype = ctypes.c_void_p
self.EC_KEY_get0_private_key.argtypes = [ctypes.c_void_p]
self.EC_KEY_get0_public_key = self._lib.EC_KEY_get0_public_key
self.EC_KEY_get0_public_key.restype = ctypes.c_void_p
self.EC_KEY_get0_public_key.argtypes = [ctypes.c_void_p]
self.EC_KEY_get0_group = self._lib.EC_KEY_get0_group
self.EC_KEY_get0_group.restype = ctypes.c_void_p
self.EC_KEY_get0_group.argtypes = [ctypes.c_void_p]
self.EC_POINT_get_affine_coordinates_GFp = self._lib.EC_POINT_get_affine_coordinates_GFp
self.EC_POINT_get_affine_coordinates_GFp.restype = ctypes.c_int
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self.EC_POINT_get_affine_coordinates_GFp.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
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self.EC_KEY_set_private_key = self._lib.EC_KEY_set_private_key
self.EC_KEY_set_private_key.restype = ctypes.c_int
self.EC_KEY_set_private_key.argtypes = [ctypes.c_void_p,
ctypes.c_void_p]
self.EC_KEY_set_public_key = self._lib.EC_KEY_set_public_key
self.EC_KEY_set_public_key.restype = ctypes.c_int
self.EC_KEY_set_public_key.argtypes = [ctypes.c_void_p,
ctypes.c_void_p]
self.EC_KEY_set_group = self._lib.EC_KEY_set_group
self.EC_KEY_set_group.restype = ctypes.c_int
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self.EC_KEY_set_group.argtypes = [ctypes.c_void_p,
ctypes.c_void_p]
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self.EC_POINT_set_affine_coordinates_GFp = self._lib.EC_POINT_set_affine_coordinates_GFp
self.EC_POINT_set_affine_coordinates_GFp.restype = ctypes.c_int
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self.EC_POINT_set_affine_coordinates_GFp.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
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self.EC_POINT_new = self._lib.EC_POINT_new
self.EC_POINT_new.restype = ctypes.c_void_p
self.EC_POINT_new.argtypes = [ctypes.c_void_p]
self.EC_POINT_free = self._lib.EC_POINT_free
self.EC_POINT_free.restype = None
self.EC_POINT_free.argtypes = [ctypes.c_void_p]
self.BN_CTX_free = self._lib.BN_CTX_free
self.BN_CTX_free.restype = None
self.BN_CTX_free.argtypes = [ctypes.c_void_p]
self.EC_POINT_mul = self._lib.EC_POINT_mul
self.EC_POINT_mul.restype = None
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self.EC_POINT_mul.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
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self.EC_KEY_set_private_key = self._lib.EC_KEY_set_private_key
self.EC_KEY_set_private_key.restype = ctypes.c_int
self.EC_KEY_set_private_key.argtypes = [ctypes.c_void_p,
ctypes.c_void_p]
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if self._hexversion >= 0x10100000 and not self._libreSSL:
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self.EC_KEY_OpenSSL = self._lib.EC_KEY_OpenSSL
self._lib.EC_KEY_OpenSSL.restype = ctypes.c_void_p
self._lib.EC_KEY_OpenSSL.argtypes = []
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self.EC_KEY_set_method = self._lib.EC_KEY_set_method
self._lib.EC_KEY_set_method.restype = ctypes.c_int
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self._lib.EC_KEY_set_method.argtypes = [ctypes.c_void_p,
ctypes.c_void_p]
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else:
self.ECDH_OpenSSL = self._lib.ECDH_OpenSSL
self._lib.ECDH_OpenSSL.restype = ctypes.c_void_p
self._lib.ECDH_OpenSSL.argtypes = []
self.ECDH_set_method = self._lib.ECDH_set_method
self._lib.ECDH_set_method.restype = ctypes.c_int
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self._lib.ECDH_set_method.argtypes = [ctypes.c_void_p,
ctypes.c_void_p]
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self.BN_CTX_new = self._lib.BN_CTX_new
self._lib.BN_CTX_new.restype = ctypes.c_void_p
self._lib.BN_CTX_new.argtypes = []
self.ECDH_compute_key = self._lib.ECDH_compute_key
self.ECDH_compute_key.restype = ctypes.c_int
self.ECDH_compute_key.argtypes = [ctypes.c_void_p,
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ctypes.c_int,
ctypes.c_void_p,
ctypes.c_void_p]
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self.EVP_CipherInit_ex = self._lib.EVP_CipherInit_ex
self.EVP_CipherInit_ex.restype = ctypes.c_int
self.EVP_CipherInit_ex.argtypes = [ctypes.c_void_p,
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ctypes.c_void_p,
ctypes.c_void_p]
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self.EVP_CIPHER_CTX_new = self._lib.EVP_CIPHER_CTX_new
self.EVP_CIPHER_CTX_new.restype = ctypes.c_void_p
self.EVP_CIPHER_CTX_new.argtypes = []
# Cipher
self.EVP_aes_128_cfb128 = self._lib.EVP_aes_128_cfb128
self.EVP_aes_128_cfb128.restype = ctypes.c_void_p
self.EVP_aes_128_cfb128.argtypes = []
self.EVP_aes_256_cfb128 = self._lib.EVP_aes_256_cfb128
self.EVP_aes_256_cfb128.restype = ctypes.c_void_p
self.EVP_aes_256_cfb128.argtypes = []
self.EVP_aes_128_cbc = self._lib.EVP_aes_128_cbc
self.EVP_aes_128_cbc.restype = ctypes.c_void_p
self.EVP_aes_128_cbc.argtypes = []
self.EVP_aes_256_cbc = self._lib.EVP_aes_256_cbc
self.EVP_aes_256_cbc.restype = ctypes.c_void_p
self.EVP_aes_256_cbc.argtypes = []
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# self.EVP_aes_128_ctr = self._lib.EVP_aes_128_ctr
# self.EVP_aes_128_ctr.restype = ctypes.c_void_p
# self.EVP_aes_128_ctr.argtypes = []
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# self.EVP_aes_256_ctr = self._lib.EVP_aes_256_ctr
# self.EVP_aes_256_ctr.restype = ctypes.c_void_p
# self.EVP_aes_256_ctr.argtypes = []
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self.EVP_aes_128_ofb = self._lib.EVP_aes_128_ofb
self.EVP_aes_128_ofb.restype = ctypes.c_void_p
self.EVP_aes_128_ofb.argtypes = []
self.EVP_aes_256_ofb = self._lib.EVP_aes_256_ofb
self.EVP_aes_256_ofb.restype = ctypes.c_void_p
self.EVP_aes_256_ofb.argtypes = []
self.EVP_bf_cbc = self._lib.EVP_bf_cbc
self.EVP_bf_cbc.restype = ctypes.c_void_p
self.EVP_bf_cbc.argtypes = []
self.EVP_bf_cfb64 = self._lib.EVP_bf_cfb64
self.EVP_bf_cfb64.restype = ctypes.c_void_p
self.EVP_bf_cfb64.argtypes = []
self.EVP_rc4 = self._lib.EVP_rc4
self.EVP_rc4.restype = ctypes.c_void_p
self.EVP_rc4.argtypes = []
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LibreSSL compatibility - code distinguishes between OpenSSL 1.1.x and LibreSSL and works with both
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if self._hexversion >= 0x10100000 and not self._libreSSL:
Add OpenSSL 1.1.0 compatibility - thanks to Wolfgang Frisch <wfr@roembden.net>
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self.EVP_CIPHER_CTX_reset = self._lib.EVP_CIPHER_CTX_reset
self.EVP_CIPHER_CTX_reset.restype = ctypes.c_int
self.EVP_CIPHER_CTX_reset.argtypes = [ctypes.c_void_p]
else:
self.EVP_CIPHER_CTX_cleanup = self._lib.EVP_CIPHER_CTX_cleanup
self.EVP_CIPHER_CTX_cleanup.restype = ctypes.c_int
self.EVP_CIPHER_CTX_cleanup.argtypes = [ctypes.c_void_p]
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self.EVP_CIPHER_CTX_free = self._lib.EVP_CIPHER_CTX_free
self.EVP_CIPHER_CTX_free.restype = None
self.EVP_CIPHER_CTX_free.argtypes = [ctypes.c_void_p]
self.EVP_CipherUpdate = self._lib.EVP_CipherUpdate
self.EVP_CipherUpdate.restype = ctypes.c_int
self.EVP_CipherUpdate.argtypes = [ctypes.c_void_p,
ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_int]
self.EVP_CipherFinal_ex = self._lib.EVP_CipherFinal_ex
self.EVP_CipherFinal_ex.restype = ctypes.c_int
self.EVP_CipherFinal_ex.argtypes = [ctypes.c_void_p,
ctypes.c_void_p, ctypes.c_void_p]
self.EVP_DigestInit = self._lib.EVP_DigestInit
self.EVP_DigestInit.restype = ctypes.c_int
self._lib.EVP_DigestInit.argtypes = [ctypes.c_void_p, ctypes.c_void_p]
support SHA256 signatures
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self.EVP_DigestInit_ex = self._lib.EVP_DigestInit_ex
self.EVP_DigestInit_ex.restype = ctypes.c_int
self._lib.EVP_DigestInit_ex.argtypes = 3 * [ctypes.c_void_p]
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self.EVP_DigestUpdate = self._lib.EVP_DigestUpdate
self.EVP_DigestUpdate.restype = ctypes.c_int
self.EVP_DigestUpdate.argtypes = [ctypes.c_void_p,
ctypes.c_void_p, ctypes.c_int]
self.EVP_DigestFinal = self._lib.EVP_DigestFinal
self.EVP_DigestFinal.restype = ctypes.c_int
self.EVP_DigestFinal.argtypes = [ctypes.c_void_p,
ctypes.c_void_p, ctypes.c_void_p]
support SHA256 signatures
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self.EVP_DigestFinal_ex = self._lib.EVP_DigestFinal_ex
self.EVP_DigestFinal_ex.restype = ctypes.c_int
self.EVP_DigestFinal_ex.argtypes = [ctypes.c_void_p,
ctypes.c_void_p, ctypes.c_void_p]
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self.ECDSA_sign = self._lib.ECDSA_sign
self.ECDSA_sign.restype = ctypes.c_int
self.ECDSA_sign.argtypes = [ctypes.c_int, ctypes.c_void_p,
ctypes.c_int, ctypes.c_void_p, ctypes.c_void_p, ctypes.c_void_p]
self.ECDSA_verify = self._lib.ECDSA_verify
self.ECDSA_verify.restype = ctypes.c_int
self.ECDSA_verify.argtypes = [ctypes.c_int, ctypes.c_void_p,
ctypes.c_int, ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p]
LibreSSL compatibility - code distinguishes between OpenSSL 1.1.x and LibreSSL and works with both
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if self._hexversion >= 0x10100000 and not self._libreSSL:
Add OpenSSL 1.1.0 compatibility - thanks to Wolfgang Frisch <wfr@roembden.net>
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self.EVP_MD_CTX_new = self._lib.EVP_MD_CTX_new
self.EVP_MD_CTX_new.restype = ctypes.c_void_p
self.EVP_MD_CTX_new.argtypes = []
Blind signature support in pyelliptic - add blind signature functionality to pyelliptic as described in #1409 - add tests for blind signatures - PEP8 fixes for pyelliptic - some minor refactoring is necessary for further integration, this is just a minimal implementation to pass a test
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Add OpenSSL 1.1.0 compatibility - thanks to Wolfgang Frisch <wfr@roembden.net>
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self.EVP_MD_CTX_reset = self._lib.EVP_MD_CTX_reset
self.EVP_MD_CTX_reset.restype = None
self.EVP_MD_CTX_reset.argtypes = [ctypes.c_void_p]
some address generation work completed
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Add OpenSSL 1.1.0 compatibility - thanks to Wolfgang Frisch <wfr@roembden.net>
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self.EVP_MD_CTX_free = self._lib.EVP_MD_CTX_free
self.EVP_MD_CTX_free.restype = None
self.EVP_MD_CTX_free.argtypes = [ctypes.c_void_p]
some address generation work completed
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Add OpenSSL 1.1.0 compatibility - thanks to Wolfgang Frisch <wfr@roembden.net>
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self.EVP_sha1 = self._lib.EVP_sha1
self.EVP_sha1.restype = ctypes.c_void_p
self.EVP_sha1.argtypes = []
self.digest_ecdsa_sha1 = self.EVP_sha1
else:
self.EVP_MD_CTX_create = self._lib.EVP_MD_CTX_create
self.EVP_MD_CTX_create.restype = ctypes.c_void_p
self.EVP_MD_CTX_create.argtypes = []
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self.EVP_MD_CTX_init = self._lib.EVP_MD_CTX_init
self.EVP_MD_CTX_init.restype = None
self.EVP_MD_CTX_init.argtypes = [ctypes.c_void_p]
Blind signature support in pyelliptic - add blind signature functionality to pyelliptic as described in #1409 - add tests for blind signatures - PEP8 fixes for pyelliptic - some minor refactoring is necessary for further integration, this is just a minimal implementation to pass a test
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self.EVP_MD_CTX_destroy = self._lib.EVP_MD_CTX_destroy
self.EVP_MD_CTX_destroy.restype = None
self.EVP_MD_CTX_destroy.argtypes = [ctypes.c_void_p]
self.EVP_ecdsa = self._lib.EVP_ecdsa
self._lib.EVP_ecdsa.restype = ctypes.c_void_p
self._lib.EVP_ecdsa.argtypes = []
self.digest_ecdsa_sha1 = self.EVP_ecdsa
some address generation work completed
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self.RAND_bytes = self._lib.RAND_bytes
check return value of RAND_bytes
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self.RAND_bytes.restype = ctypes.c_int
some address generation work completed
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self.RAND_bytes.argtypes = [ctypes.c_void_p, ctypes.c_int]
self.EVP_sha256 = self._lib.EVP_sha256
self.EVP_sha256.restype = ctypes.c_void_p
self.EVP_sha256.argtypes = []
self.i2o_ECPublicKey = self._lib.i2o_ECPublicKey
self.i2o_ECPublicKey.restype = ctypes.c_void_p
self.i2o_ECPublicKey.argtypes = [ctypes.c_void_p, ctypes.c_void_p]
self.EVP_sha512 = self._lib.EVP_sha512
self.EVP_sha512.restype = ctypes.c_void_p
self.EVP_sha512.argtypes = []
self.HMAC = self._lib.HMAC
self.HMAC.restype = ctypes.c_void_p
self.HMAC.argtypes = [ctypes.c_void_p, ctypes.c_void_p, ctypes.c_int,
ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p, ctypes.c_void_p]
Update openssl.py
2013-07-02 13:53:35 +02:00
try:
self.PKCS5_PBKDF2_HMAC = self._lib.PKCS5_PBKDF2_HMAC
except:
# The above is not compatible with all versions of OSX.
self.PKCS5_PBKDF2_HMAC = self._lib.PKCS5_PBKDF2_HMAC_SHA1
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some address generation work completed
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self.PKCS5_PBKDF2_HMAC.restype = ctypes.c_int
self.PKCS5_PBKDF2_HMAC.argtypes = [ctypes.c_void_p, ctypes.c_int,
ctypes.c_void_p, ctypes.c_int,
ctypes.c_int, ctypes.c_void_p,
ctypes.c_int, ctypes.c_void_p]
Blind signature support in pyelliptic - add blind signature functionality to pyelliptic as described in #1409 - add tests for blind signatures - PEP8 fixes for pyelliptic - some minor refactoring is necessary for further integration, this is just a minimal implementation to pass a test
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# Blind signature requirements
self.BN_CTX_new = self._lib.BN_CTX_new
self.BN_CTX_new.restype = ctypes.c_void_p
self.BN_CTX_new.argtypes = []
self.BN_dup = self._lib.BN_dup
self.BN_dup.restype = ctypes.c_void_p
self.BN_dup.argtypes = [ctypes.c_void_p]
self.BN_rand = self._lib.BN_rand
self.BN_rand.restype = ctypes.c_int
self.BN_rand.argtypes = [ctypes.c_void_p,
ctypes.c_int,
ctypes.c_int]
self.BN_set_word = self._lib.BN_set_word
self.BN_set_word.restype = ctypes.c_int
self.BN_set_word.argtypes = [ctypes.c_void_p,
ctypes.c_ulong]
self.BN_mul = self._lib.BN_mul
self.BN_mul.restype = ctypes.c_int
self.BN_mul.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
self.BN_mod_add = self._lib.BN_mod_add
self.BN_mod_add.restype = ctypes.c_int
self.BN_mod_add.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
self.BN_mod_inverse = self._lib.BN_mod_inverse
self.BN_mod_inverse.restype = ctypes.c_void_p
self.BN_mod_inverse.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
self.BN_mod_mul = self._lib.BN_mod_mul
self.BN_mod_mul.restype = ctypes.c_int
self.BN_mod_mul.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
self.BN_lshift = self._lib.BN_lshift
self.BN_lshift.restype = ctypes.c_int
self.BN_lshift.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_int]
self.BN_sub_word = self._lib.BN_sub_word
self.BN_sub_word.restype = ctypes.c_int
self.BN_sub_word.argtypes = [ctypes.c_void_p,
ctypes.c_ulong]
self.BN_cmp = self._lib.BN_cmp
self.BN_cmp.restype = ctypes.c_int
self.BN_cmp.argtypes = [ctypes.c_void_p,
ctypes.c_void_p]
self.BN_bn2dec = self._lib.BN_bn2dec
self.BN_bn2dec.restype = ctypes.c_char_p
self.BN_bn2dec.argtypes = [ctypes.c_void_p]
self.BN_CTX_free = self._lib.BN_CTX_free
self.BN_CTX_free.argtypes = [ctypes.c_void_p]
self.EC_GROUP_new_by_curve_name = self._lib.EC_GROUP_new_by_curve_name
self.EC_GROUP_new_by_curve_name.restype = ctypes.c_void_p
self.EC_GROUP_new_by_curve_name.argtypes = [ctypes.c_int]
self.EC_GROUP_get_order = self._lib.EC_GROUP_get_order
self.EC_GROUP_get_order.restype = ctypes.c_int
self.EC_GROUP_get_order.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
self.EC_GROUP_get_cofactor = self._lib.EC_GROUP_get_cofactor
self.EC_GROUP_get_cofactor.restype = ctypes.c_int
self.EC_GROUP_get_cofactor.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
self.EC_GROUP_get0_generator = self._lib.EC_GROUP_get0_generator
self.EC_GROUP_get0_generator.restype = ctypes.c_void_p
self.EC_GROUP_get0_generator.argtypes = [ctypes.c_void_p]
self.EC_POINT_copy = self._lib.EC_POINT_copy
self.EC_POINT_copy.restype = ctypes.c_int
self.EC_POINT_copy.argtypes = [ctypes.c_void_p,
ctypes.c_void_p]
self.EC_POINT_add = self._lib.EC_POINT_add
self.EC_POINT_add.restype = ctypes.c_int
self.EC_POINT_add.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
self.EC_POINT_cmp = self._lib.EC_POINT_cmp
self.EC_POINT_cmp.restype = ctypes.c_int
self.EC_POINT_cmp.argtypes = [ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c_void_p]
self.EC_POINT_set_to_infinity = self._lib.EC_POINT_set_to_infinity
self.EC_POINT_set_to_infinity.restype = ctypes.c_int
self.EC_POINT_set_to_infinity.argtypes = [ctypes.c_void_p,
ctypes.c_void_p]
some address generation work completed
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self._set_ciphers()
self._set_curves()
def _set_ciphers(self):
self.cipher_algo = {
'aes-128-cbc': CipherName('aes-128-cbc', self.EVP_aes_128_cbc, 16),
'aes-256-cbc': CipherName('aes-256-cbc', self.EVP_aes_256_cbc, 16),
'aes-128-cfb': CipherName('aes-128-cfb', self.EVP_aes_128_cfb128, 16),
'aes-256-cfb': CipherName('aes-256-cfb', self.EVP_aes_256_cfb128, 16),
'aes-128-ofb': CipherName('aes-128-ofb', self._lib.EVP_aes_128_ofb, 16),
'aes-256-ofb': CipherName('aes-256-ofb', self._lib.EVP_aes_256_ofb, 16),
Blind signature support in pyelliptic - add blind signature functionality to pyelliptic as described in #1409 - add tests for blind signatures - PEP8 fixes for pyelliptic - some minor refactoring is necessary for further integration, this is just a minimal implementation to pass a test
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# 'aes-128-ctr': CipherName('aes-128-ctr', self._lib.EVP_aes_128_ctr, 16),
# 'aes-256-ctr': CipherName('aes-256-ctr', self._lib.EVP_aes_256_ctr, 16),
some address generation work completed
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'bf-cfb': CipherName('bf-cfb', self.EVP_bf_cfb64, 8),
'bf-cbc': CipherName('bf-cbc', self.EVP_bf_cbc, 8),
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'rc4': CipherName('rc4', self.EVP_rc4, 128), # 128 is the initialisation size not block size
some address generation work completed
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}
def _set_curves(self):
self.curves = {
'secp112r1': 704,
'secp112r2': 705,
'secp128r1': 706,
'secp128r2': 707,
'secp160k1': 708,
'secp160r1': 709,
'secp160r2': 710,
'secp192k1': 711,
'secp224k1': 712,
'secp224r1': 713,
'secp256k1': 714,
'secp384r1': 715,
'secp521r1': 716,
'sect113r1': 717,
'sect113r2': 718,
'sect131r1': 719,
'sect131r2': 720,
'sect163k1': 721,
'sect163r1': 722,
'sect163r2': 723,
'sect193r1': 724,
'sect193r2': 725,
'sect233k1': 726,
'sect233r1': 727,
'sect239k1': 728,
'sect283k1': 729,
'sect283r1': 730,
'sect409k1': 731,
'sect409r1': 732,
'sect571k1': 733,
'sect571r1': 734,
}
def BN_num_bytes(self, x):
"""
returns the length of a BN (OpenSSl API)
"""
return int((self.BN_num_bits(x) + 7) / 8)
def get_cipher(self, name):
"""
returns the OpenSSL cipher instance
"""
if name not in self.cipher_algo:
raise Exception("Unknown cipher")
return self.cipher_algo[name]
def get_curve(self, name):
"""
returns the id of a elliptic curve
"""
if name not in self.curves:
raise Exception("Unknown curve")
return self.curves[name]
def get_curve_by_id(self, id):
"""
returns the name of a elliptic curve with his id
"""
res = None
for i in self.curves:
if self.curves[i] == id:
res = i
break
if res is None:
raise Exception("Unknown curve")
return res
def rand(self, size):
"""
OpenSSL random function
"""
buffer = self.malloc(0, size)
Blind signature support in pyelliptic - add blind signature functionality to pyelliptic as described in #1409 - add tests for blind signatures - PEP8 fixes for pyelliptic - some minor refactoring is necessary for further integration, this is just a minimal implementation to pass a test
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# This pyelliptic library, by default, didn't check the return value of RAND_bytes. It is
check return value of RAND_bytes
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# evidently possible that it returned an error and not-actually-random data. However, in
Blind signature support in pyelliptic - add blind signature functionality to pyelliptic as described in #1409 - add tests for blind signatures - PEP8 fixes for pyelliptic - some minor refactoring is necessary for further integration, this is just a minimal implementation to pass a test
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# tests on various operating systems, while generating hundreds of gigabytes of random
check return value of RAND_bytes
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# strings of various sizes I could not get an error to occur. Also Bitcoin doesn't check
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# the return value of RAND_bytes either.
check return value of RAND_bytes
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# Fixed in Bitmessage version 0.4.2 (in source code on 2013-10-13)
while self.RAND_bytes(buffer, size) != 1:
import time
time.sleep(1)
some address generation work completed
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return buffer.raw
def malloc(self, data, size):
"""
returns a create_string_buffer (ctypes)
"""
buffer = None
if data != 0:
if sys.version_info.major == 3 and isinstance(data, type('')):
data = data.encode()
buffer = self.create_string_buffer(data, size)
else:
buffer = self.create_string_buffer(size)
return buffer
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Improve OpenSSL library finder
2016-01-21 17:56:01 +01:00
def loadOpenSSL():
global OpenSSL
from os import path, environ
from ctypes.util import find_library
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Improve OpenSSL library finder
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libdir = []
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if getattr(sys, 'frozen', None):
Improve OpenSSL library finder
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if 'darwin' in sys.platform:
libdir.extend([
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path.join(environ['RESOURCEPATH'], '..', 'Frameworks', 'libcrypto.dylib'),
path.join(environ['RESOURCEPATH'], '..', 'Frameworks', 'libcrypto.1.1.0.dylib'),
path.join(environ['RESOURCEPATH'], '..', 'Frameworks', 'libcrypto.1.0.2.dylib'),
path.join(environ['RESOURCEPATH'], '..', 'Frameworks', 'libcrypto.1.0.1.dylib'),
path.join(environ['RESOURCEPATH'], '..', 'Frameworks', 'libcrypto.1.0.0.dylib'),
path.join(environ['RESOURCEPATH'], '..', 'Frameworks', 'libcrypto.0.9.8.dylib'),
])
Typo
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elif 'win32' in sys.platform or 'win64' in sys.platform:
Typo
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libdir.append(path.join(sys._MEIPASS, 'libeay32.dll'))
Improve OpenSSL library finder
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else:
libdir.extend([
path.join(sys._MEIPASS, 'libcrypto.so'),
path.join(sys._MEIPASS, 'libssl.so'),
Add OpenSSL 1.1.0 compatibility - thanks to Wolfgang Frisch <wfr@roembden.net>
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path.join(sys._MEIPASS, 'libcrypto.so.1.1.0'),
path.join(sys._MEIPASS, 'libssl.so.1.1.0'),
path.join(sys._MEIPASS, 'libcrypto.so.1.0.2'),
path.join(sys._MEIPASS, 'libssl.so.1.0.2'),
path.join(sys._MEIPASS, 'libcrypto.so.1.0.1'),
path.join(sys._MEIPASS, 'libssl.so.1.0.1'),
Improve OpenSSL library finder
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path.join(sys._MEIPASS, 'libcrypto.so.1.0.0'),
path.join(sys._MEIPASS, 'libssl.so.1.0.0'),
Add OpenSSL 1.1.0 compatibility - thanks to Wolfgang Frisch <wfr@roembden.net>
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path.join(sys._MEIPASS, 'libcrypto.so.0.9.8'),
path.join(sys._MEIPASS, 'libssl.so.0.9.8'),
Improve OpenSSL library finder
2016-01-21 17:56:01 +01:00
])
if 'darwin' in sys.platform:
libdir.extend(['libcrypto.dylib', '/usr/local/opt/openssl/lib/libcrypto.dylib'])
elif 'win32' in sys.platform or 'win64' in sys.platform:
libdir.append('libeay32.dll')
else:
libdir.append('libcrypto.so')
libdir.append('libssl.so')
No lib symlinks in openwrt
2018-03-09 15:41:20 +01:00
libdir.append('libcrypto.so.1.0.0')
libdir.append('libssl.so.1.0.0')
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if 'linux' in sys.platform or 'darwin' in sys.platform or 'bsd' in sys.platform:
Improve OpenSSL library finder
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libdir.append(find_library('ssl'))
elif 'win32' in sys.platform or 'win64' in sys.platform:
libdir.append(find_library('libeay32'))
for library in libdir:
some address generation work completed
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try:
Improve OpenSSL library finder
2016-01-21 17:56:01 +01:00
OpenSSL = _OpenSSL(library)
return
some address generation work completed
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except:
Improve OpenSSL library finder
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pass
raise Exception("Couldn't find and load the OpenSSL library. You must install it.")
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Add OpenSSL 1.1.0 compatibility - thanks to Wolfgang Frisch <wfr@roembden.net>
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loadOpenSSL()
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