35f62714b1
git-svn-id: https://beef.googlecode.com/svn/trunk@908 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9
31 lines
836 B
Ruby
31 lines
836 B
Ruby
module BeEF
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module Core
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#
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# This module provides crypto functionality
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#
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module Crypto
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# the minimum length of the security token
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TOKEN_MINIMUM_LENGTH = 15
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#
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# Generate a secure random token
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#
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# @param: {Integer} the length of the secure token
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#
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def self.secure_token(len = nil)
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# get default length from config
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config = BeEF::Core::Configuration.instance
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token_length = len || config.get('beef.crypto_default_value_length').to_i
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# type checking
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raise Exception::TypeError, "Token length is less than the minimum length enforced by the framework: #{TOKEN_MINIMUM_LENGTH}" if (token_length < TOKEN_MINIMUM_LENGTH)
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# return random hex string
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return OpenSSL::Random.random_bytes(token_length).unpack("H*")[0]
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end
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end
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end
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end
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