src/OpenSSL/crypto.py
def digest(self, digest_name):
        """
        Return the digest of the X509 object.

        :param digest_name: The name of the digest algorithm to use.
        :type digest_name: :py:class:`bytes`

        :return: The digest of the object, formatted as
            :py:const:`b":"`-delimited hex pairs.
        :rtype: :py:class:`bytes`
        """
        digest = _lib.EVP_get_digestbyname(_byte_string(digest_name))
        if digest == _ffi.NULL:
            raise ValueError("No such digest method")

        result_buffer = _ffi.new("unsigned char[]", _lib.EVP_MAX_MD_SIZE)
        result_length = _ffi.new("unsigned int[]", 1)
        result_length[0] = len(result_buffer)

        digest_result = _lib.X509_digest(
            self._x509, digest, result_buffer, result_length)
        _openssl_assert(digest_result == 1)

        return b":".join([
            b16encode(ch).upper() for ch
            in _ffi.buffer(result_buffer, result_length[0])])
def digest(self, digest_name):
        """
        Return the digest of the X509 object.

        :param digest_name: The name of the digest algorithm to use.
        :type digest_name: :py:class:`bytes`

        :return: The digest of the object, formatted as
            :py:const:`b":"`-delimited hex pairs.
        :rtype: :py:class:`bytes`
        """
        digest = _lib.EVP_get_digestbyname(_byte_string(digest_name))
        if digest == _ffi.NULL:
            raise ValueError("No such digest method")

        result_buffer = _ffi.new("unsigned char[]", _lib.EVP_MAX_MD_SIZE)
        result_length = _ffi.new("unsigned int[]", 1)
        result_length[0] = len(result_buffer)

        digest_result = _lib.X509_digest(
            self._x509, digest, result_buffer, result_length)
        _openssl_assert(digest_result == 1)

        return b":".join([
            b16encode(ch).upper() for ch
            in _ffi.buffer(result_buffer, result_length[0])])
Return the digest of the X509 object.

        :param digest_name: The name of the digest algorithm to use.
        :type digest_name: :py:class:`bytes`

        :return: The digest of the object, formatted as
            :py:const:`b":"`-delimited hex pairs.
        :rtype: :py:class:`bytes`