コード例 #1
0
def gendigest(digest, password, salt):
    assert password and salt
    salt = memoryview_to_bytes(salt)
    password = strtobytes(password)
    if digest=="des":
        from xpra.net.d3des import generate_response  #pylint: disable=import-outside-toplevel
        password = password.ljust(8, b"\x00")[:8]
        salt = salt.ljust(16, b"\x00")[:16]
        v = generate_response(password, salt)
        return hexstr(v)
    if digest in ("xor", "kerberos", "gss"):
        #kerberos and gss use xor because we need to use the actual token
        #at the other end
        salt = salt.ljust(len(password), b"\x00")[:len(password)]
        from xpra.buffers.cyxor import xor_str           #@UnresolvedImport pylint: disable=import-outside-toplevel
        v = xor_str(password, salt)
        return memoryview_to_bytes(v)
    digestmod = get_digest_module(digest)
    if not digestmod:
        log("invalid digest module '%s'", digest)
        return None
        #warn_server_and_exit(EXIT_UNSUPPORTED,
        #    "server requested digest '%s' but it is not supported" % digest, "invalid digest")
    v = hmac.HMAC(password, salt, digestmod=digestmod).hexdigest()
    return v
コード例 #2
0
def gendigest(digest, password, salt):
    assert digest and password and salt
    salt = memoryview_to_bytes(salt)
    password = strtobytes(password)
    if digest == "des":
        from xpra.net.d3des import generate_response
        password = password.ljust(8, "\x00")[:8]
        salt = salt.ljust(16, "\x00")[:16]
        v = generate_response(password, salt)
        return hexstr(v)
    elif digest == "xor":
        salt = salt.ljust(16, "\x00")[:len(password)]
        return memoryview_to_bytes(xor(password, salt))
    digestmod = get_digest_module(digest)
    if not digestmod:
        log("invalid digest module '%s': %s", digest)
        return None
        #warn_server_and_exit(EXIT_UNSUPPORTED, "server requested digest '%s' but it is not supported" % digest, "invalid digest")
    v = hmac.HMAC(strtobytes(password), strtobytes(salt),
                  digestmod=digestmod).hexdigest()
    return v
コード例 #3
0
ファイル: digest.py プロジェクト: tardyp/Xpra
def gendigest(digest, password, salt):
    assert digest and password and salt
    salt = memoryview_to_bytes(salt)
    password = strtobytes(password)
    if digest=="des":
        from xpra.net.d3des import generate_response
        password = password.ljust(8, b"\x00")[:8]
        salt = salt.ljust(16, b"\x00")[:16]
        v = generate_response(password, salt)
        return hexstr(v)
    elif digest in ("xor", "kerberos", "gss"):
        #kerberos and gss use xor because we need to use the actual token
        #at the other end
        salt = salt.ljust(len(password), b"\x00")[:len(password)]
        v = xor(password, salt)
        return memoryview_to_bytes(v)
    digestmod = get_digest_module(digest)
    if not digestmod:
        log("invalid digest module '%s': %s", digest)
        return None
        #warn_server_and_exit(EXIT_UNSUPPORTED, "server requested digest '%s' but it is not supported" % digest, "invalid digest")
    v = hmac.HMAC(strtobytes(password), strtobytes(salt), digestmod=digestmod).hexdigest()
    return v
コード例 #4
0
ファイル: d3des_test.py プロジェクト: gitmirrors2/xpra
 def test_generate_response(self):
     challange = b"helloworld0123456789"[:16]
     for passwd in (b"", b"0" * 32):
         r = generate_response(passwd, challange)
         assert r
     assert decrypt_passwd(b"helloworld"[:8])