Method rand

src/lib/pyelliptic/openssl.py:468–482

OpenSSL random function

(self, size)

        return res

    def rand(self, size):
        """
        OpenSSL random function
        """
        buffer = self.malloc(0, size)
        # This pyelliptic library, by default, didn't check the return value of RAND_bytes. It is
        # evidently possible that it returned an error and not-actually-random data. However, in
        # tests on various operating systems, while generating hundreds of gigabytes of random
        # strings of various sizes I could not get an error to occur. Also Bitcoin doesn't check
        # the return value of RAND_bytes either.
        # 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)
        return buffer.raw

    def malloc(self, data, size):
        """