From 1ca1dfbd62ffd459c3cc0a09e37abc105ee77e1b Mon Sep 17 00:00:00 2001 From: nadams Date: Thu, 18 May 2017 09:17:16 -0700 Subject: [PATCH] Edited ch04.asciidoc with Atlas code editor --- ch04.asciidoc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ch04.asciidoc b/ch04.asciidoc index b146a884..1fb6a2a6 100644 --- a/ch04.asciidoc +++ b/ch04.asciidoc @@ -590,7 +590,7 @@ include::code/ec-math.py[] [NOTE] ==== -<> ((("os.urandom")))((("warnings and cautions", "random number generation")))uses +os.urandom+, which reflects a cryptographically secure random number generator (CSRNG) provided by the underlying operating system. In the case of a Unix-like operating system such as Linux, it draws from +/dev/urandom+; and in the case of Windows, it calls +CryptGenRandom()+. If a suitable randomness source is not found, +NotImplementedError+ will be raised. While the random number generator used here is for demonstration purposes, it is _not_ appropriate for generating production-quality bitcoin keys as it is not implemented with sufficient security.((("", startref="KApython04"))) +<> ((("random numbers", "os.urandom", see="entropy")))((("entropy", see="random numbers")))((("warnings and cautions", "random number generation")))uses +os.urandom+, which reflects a cryptographically secure random number generator (CSRNG) provided by the underlying operating system. In the case of a Unix-like operating system such as Linux, it draws from +/dev/urandom+; and in the case of Windows, it calls +CryptGenRandom()+. If a suitable randomness source is not found, +NotImplementedError+ will be raised. While the random number generator used here is for demonstration purposes, it is _not_ appropriate for generating production-quality bitcoin keys as it is not implemented with sufficient security.((("", startref="KApython04"))) ==== [[ec_math_run]]