src/OpenSSL/crypto.py
def load_publickey(type, buffer):
    """
    Load a public key from a buffer.

    :param type: The file type (one of :data:`FILETYPE_PEM`,
        :data:`FILETYPE_ASN1`).
    :param buffer: The buffer the key is stored in.
    :type buffer: A Python string object, either unicode or bytestring.
    :return: The PKey object.
    :rtype: :class:`PKey`
    """
    if isinstance(buffer, _text_type):
        buffer = buffer.encode("ascii")

    bio = _new_mem_buf(buffer)

    if type == FILETYPE_PEM:
        evp_pkey = _lib.PEM_read_bio_PUBKEY(
            bio, _ffi.NULL, _ffi.NULL, _ffi.NULL)
    elif type == FILETYPE_ASN1:
        evp_pkey = _lib.d2i_PUBKEY_bio(bio, _ffi.NULL)
    else:
        raise ValueError("type argument must be FILETYPE_PEM or FILETYPE_ASN1")

    if evp_pkey == _ffi.NULL:
        _raise_current_error()

    pkey = PKey.__new__(PKey)
    pkey._pkey = _ffi.gc(evp_pkey, _lib.EVP_PKEY_free)
    pkey._only_public = True
    return pkey
def load_publickey(type, buffer):
    """
    Load a public key from a buffer.

    :param type: The file type (one of :data:`FILETYPE_PEM`,
        :data:`FILETYPE_ASN1`).
    :param buffer: The buffer the key is stored in.
    :type buffer: A Python string object, either unicode or bytestring.
    :return: The PKey object.
    :rtype: :class:`PKey`
    """
    if isinstance(buffer, _text_type):
        buffer = buffer.encode("ascii")

    bio = _new_mem_buf(buffer)

    if type == FILETYPE_PEM:
        evp_pkey = _lib.PEM_read_bio_PUBKEY(
            bio, _ffi.NULL, _ffi.NULL, _ffi.NULL)
    elif type == FILETYPE_ASN1:
        evp_pkey = _lib.d2i_PUBKEY_bio(bio, _ffi.NULL)
    else:
        raise ValueError("type argument must be FILETYPE_PEM or FILETYPE_ASN1")

    if evp_pkey == _ffi.NULL:
        _raise_current_error()

    pkey = PKey.__new__(PKey)
    pkey._pkey = _ffi.gc(evp_pkey, _lib.EVP_PKEY_free)
    pkey._only_public = True
    return pkey
Load a public key from a buffer.

    :param type: The file type (one of :data:`FILETYPE_PEM`,
        :data:`FILETYPE_ASN1`).
    :param buffer: The buffer the key is stored in.
    :type buffer: A Python string object, either unicode or bytestring.
    :return: The PKey object.
    :rtype: :class:`PKey`