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Edited ch04.asciidoc with Atlas code editor

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nadams 2017-05-18 09:17:47 -07:00
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@ -590,7 +590,7 @@ include::code/ec-math.py[]
[NOTE]
====
<<ec_math>> ((("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>> ((("random numbers", "os.urandom", see="entropy")))((("entropy", "os.urandom", 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]]