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Timing Attack Vulnerability #3

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paragonie-scott opened this issue Jan 25, 2016 · 1 comment

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paragonie-scott commented Jan 25, 2016

http://www.openwall.com/lists/oss-security/2016/01/24/10

Problematic line:

ruby_rncryptor/lib/ruby_rncryptor.rb

Line 27 in 5fff939

verified = [HMAC.hexdigest('sha256', hmac_key, msg)].pack('H*') == hmac

timestretch self-assigned this

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timestretch commented Jan 26, 2016

Thanks for the report! I just pushed v3.0.1 which uses the eql_time_cmp method from the openssl docs.

timestretch closed this as completed

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