Package M2Crypto :: Module BN

Module BN

M2Crypto wrapper for OpenSSL BN (BIGNUM) API.

Functions

rand(bits, top=-1, bottom=0)
Generate cryptographically strong random number.

rand_range(range)
Generate a random number in a range.

randfname(length)
Return a random filename, which is simply a string where all the characters are from the set [a-zA-Z0-9].

Function Details

Generate cryptographically strong random number.

Parameters:

bits - Length of random number in bits.
top - If -1, the most significant bit can be 0. If 0, the most significant bit is 1, and if 1, the two most significant bits will be 1.
bottom - If bottom is true, the number will be odd.

Generate a random number in a range.

Parameters:

Returns:

A random number in the range [0, range)

Return a random filename, which is simply a string where all the characters are from the set [a-zA-Z0-9].

Parameters:

Returns:

random filename string