mirror of
https://github.com/safing/portbase
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Fix rng testing suite, update README, add a second seed at startup
This commit is contained in:
Daniel
parent
65d47e2974
commit
bfc34f808a
3 changed files with 296 additions and 221 deletions
10
rng/rng.go
10
rng/rng.go
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@ -3,6 +3,7 @@ package rng
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import (
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"crypto/aes"
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"crypto/cipher"
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"crypto/rand"
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"errors"
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"fmt"
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"sync"
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@ -47,6 +48,15 @@ func start() error {
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if rng == nil {
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return errors.New("failed to initialize rng")
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}
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// explicitly add randomness
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osEntropy := make([]byte, minFeedEntropy/8)
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_, err := rand.Read(osEntropy)
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if err != nil {
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return fmt.Errorf("could not read entropy from os: %s", err)
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}
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rng.Reseed(osEntropy)
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rngReady = true
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// random source: OS
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@ -10,11 +10,9 @@ To test the quality of entropy, first generate random data with the test program
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go build
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./test tickfeeder > output.bin # just the additional entropy feed
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./test tickfeeder tickfeeder.out 1 # just the additional entropy feed
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# OR
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./test fortuna > output.bin # the actual CSPRNG
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ls -lah output.bin # check filesize: should be ~1MB
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./test fortuna fortuna.out 10 # the actual CSPRNG with feeders
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Then, run `dieharder`, a random number generator test tool:
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@ -22,6 +20,135 @@ Then, run `dieharder`, a random number generator test tool:
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Below you can find two test outputs of `dieharder`.
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Please note that around 5 tests of `dieharder` normally fail. This is expected and even desired.
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Also, the rng currently reseeds (ie. adds entropy) after 1MB or 10 minutes.
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`dieharder` of two samples of 10MB of fortuna (with feeders) (`go version go1.14.2 linux/amd64` on 21.04.2020):
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#=============================================================================#
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# dieharder version 3.31.1 Copyright 2003 Robert G. Brown #
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#=============================================================================#
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rng_name | filename |rands/second|
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mt19937| fortuna.out| 1.00e+08 |
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#=============================================================================#
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test_name |ntup| tsamples |psamples| p-value |Assessment
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#=============================================================================#
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diehard_birthdays| 0| 100| 100|0.69048981| PASSED | 2nd sample: PASSED
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diehard_operm5| 0| 1000000| 100|0.76010702| PASSED | 2nd sample: PASSED
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diehard_rank_32x32| 0| 40000| 100|0.86291558| PASSED | 2nd sample: PASSED
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diehard_rank_6x8| 0| 100000| 100|0.63715647| PASSED | 2nd sample: PASSED
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diehard_bitstream| 0| 2097152| 100|0.25389670| PASSED | 2nd sample: PASSED
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diehard_opso| 0| 2097152| 100|0.70928590| PASSED | 2nd sample: PASSED
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diehard_oqso| 0| 2097152| 100|0.75643141| PASSED | 2nd sample: PASSED
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diehard_dna| 0| 2097152| 100|0.57096286| PASSED | 2nd sample: PASSED
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diehard_count_1s_str| 0| 256000| 100|0.39650366| PASSED | 2nd sample: PASSED
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diehard_count_1s_byt| 0| 256000| 100|0.26040557| PASSED | 2nd sample: PASSED
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diehard_parking_lot| 0| 12000| 100|0.92327672| PASSED | 2nd sample: PASSED
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diehard_2dsphere| 2| 8000| 100|0.86507605| PASSED | 2nd sample: PASSED
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diehard_3dsphere| 3| 4000| 100|0.70845388| PASSED | 2nd sample: PASSED
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diehard_squeeze| 0| 100000| 100|0.99744782| WEAK | 2nd sample: PASSED
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diehard_sums| 0| 100| 100|0.27275938| PASSED | 2nd sample: PASSED
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diehard_runs| 0| 100000| 100|0.27299936| PASSED | 2nd sample: PASSED
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diehard_runs| 0| 100000| 100|0.42043270| PASSED | 2nd sample: PASSED
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diehard_craps| 0| 200000| 100|0.91674884| PASSED | 2nd sample: PASSED
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diehard_craps| 0| 200000| 100|0.77856237| PASSED | 2nd sample: PASSED
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marsaglia_tsang_gcd| 0| 10000000| 100|0.77922797| PASSED | 2nd sample: PASSED
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marsaglia_tsang_gcd| 0| 10000000| 100|0.94589532| PASSED | 2nd sample: PASSED
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sts_monobit| 1| 100000| 100|0.99484549| PASSED | 2nd sample: PASSED
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sts_runs| 2| 100000| 100|0.70036713| PASSED | 2nd sample: PASSED
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sts_serial| 1| 100000| 100|0.79544015| PASSED | 2nd sample: PASSED
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sts_serial| 2| 100000| 100|0.91473958| PASSED | 2nd sample: PASSED
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sts_serial| 3| 100000| 100|0.66528037| PASSED | 2nd sample: PASSED
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sts_serial| 3| 100000| 100|0.84028312| PASSED | 2nd sample: PASSED
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sts_serial| 4| 100000| 100|0.82253130| PASSED | 2nd sample: PASSED
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sts_serial| 4| 100000| 100|0.90695315| PASSED | 2nd sample: PASSED
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sts_serial| 5| 100000| 100|0.55160515| PASSED | 2nd sample: PASSED
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sts_serial| 5| 100000| 100|0.05256789| PASSED | 2nd sample: PASSED
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sts_serial| 6| 100000| 100|0.25857850| PASSED | 2nd sample: PASSED
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sts_serial| 6| 100000| 100|0.58661649| PASSED | 2nd sample: PASSED
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sts_serial| 7| 100000| 100|0.46915559| PASSED | 2nd sample: PASSED
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sts_serial| 7| 100000| 100|0.57273130| PASSED | 2nd sample: PASSED
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sts_serial| 8| 100000| 100|0.99182961| PASSED | 2nd sample: PASSED
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sts_serial| 8| 100000| 100|0.86913367| PASSED | 2nd sample: PASSED
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sts_serial| 9| 100000| 100|0.19259756| PASSED | 2nd sample: PASSED
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sts_serial| 9| 100000| 100|0.61225842| PASSED | 2nd sample: PASSED
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sts_serial| 10| 100000| 100|0.40792308| PASSED | 2nd sample: PASSED
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sts_serial| 10| 100000| 100|0.99930785| WEAK | 2nd sample: PASSED
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sts_serial| 11| 100000| 100|0.07296973| PASSED | 2nd sample: PASSED
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sts_serial| 11| 100000| 100|0.04906522| PASSED | 2nd sample: PASSED
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sts_serial| 12| 100000| 100|0.66400927| PASSED | 2nd sample: PASSED
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sts_serial| 12| 100000| 100|0.67947609| PASSED | 2nd sample: PASSED
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sts_serial| 13| 100000| 100|0.20412325| PASSED | 2nd sample: PASSED
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sts_serial| 13| 100000| 100|0.19781734| PASSED | 2nd sample: PASSED
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sts_serial| 14| 100000| 100|0.08541533| PASSED | 2nd sample: PASSED
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sts_serial| 14| 100000| 100|0.07438464| PASSED | 2nd sample: PASSED
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sts_serial| 15| 100000| 100|0.04607276| PASSED | 2nd sample: PASSED
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sts_serial| 15| 100000| 100|0.56460340| PASSED | 2nd sample: PASSED
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sts_serial| 16| 100000| 100|0.40211405| PASSED | 2nd sample: PASSED
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sts_serial| 16| 100000| 100|0.81369172| PASSED | 2nd sample: PASSED
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rgb_bitdist| 1| 100000| 100|0.52317549| PASSED | 2nd sample: PASSED
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rgb_bitdist| 2| 100000| 100|0.49819655| PASSED | 2nd sample: PASSED
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rgb_bitdist| 3| 100000| 100|0.65830167| PASSED | 2nd sample: PASSED
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rgb_bitdist| 4| 100000| 100|0.75278398| PASSED | 2nd sample: PASSED
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rgb_bitdist| 5| 100000| 100|0.23537303| PASSED | 2nd sample: PASSED
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rgb_bitdist| 6| 100000| 100|0.82461608| PASSED | 2nd sample: PASSED
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rgb_bitdist| 7| 100000| 100|0.46944789| PASSED | 2nd sample: PASSED
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rgb_bitdist| 8| 100000| 100|0.44371293| PASSED | 2nd sample: PASSED
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rgb_bitdist| 9| 100000| 100|0.61647469| PASSED | 2nd sample: PASSED
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rgb_bitdist| 10| 100000| 100|0.97623808| PASSED | 2nd sample: PASSED
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rgb_bitdist| 11| 100000| 100|0.26037998| PASSED | 2nd sample: PASSED
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rgb_bitdist| 12| 100000| 100|0.59217788| PASSED | 2nd sample: PASSED
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rgb_minimum_distance| 2| 10000| 1000|0.19809129| PASSED | 2nd sample: PASSED
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rgb_minimum_distance| 3| 10000| 1000|0.97363365| PASSED | 2nd sample: PASSED
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rgb_minimum_distance| 4| 10000| 1000|0.62281709| PASSED | 2nd sample: PASSED
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rgb_minimum_distance| 5| 10000| 1000|0.13655852| PASSED | 2nd sample: PASSED
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rgb_permutations| 2| 100000| 100|0.33726465| PASSED | 2nd sample: PASSED
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rgb_permutations| 3| 100000| 100|0.21992025| PASSED | 2nd sample: WEAK
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rgb_permutations| 4| 100000| 100|0.27074573| PASSED | 2nd sample: PASSED
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rgb_permutations| 5| 100000| 100|0.76925248| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 0| 1000000| 100|0.91881971| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 1| 1000000| 100|0.08282106| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 2| 1000000| 100|0.55991289| PASSED | 2nd sample: WEAK
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rgb_lagged_sum| 3| 1000000| 100|0.94939920| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 4| 1000000| 100|0.21248759| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 5| 1000000| 100|0.99308883| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 6| 1000000| 100|0.83174944| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 7| 1000000| 100|0.49883983| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 8| 1000000| 100|0.99900807| WEAK | 2nd sample: PASSED
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rgb_lagged_sum| 9| 1000000| 100|0.74164128| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 10| 1000000| 100|0.53367081| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 11| 1000000| 100|0.41808417| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 12| 1000000| 100|0.96082733| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 13| 1000000| 100|0.38208924| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 14| 1000000| 100|0.98335747| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 15| 1000000| 100|0.68708033| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 16| 1000000| 100|0.49715110| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 17| 1000000| 100|0.68418225| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 18| 1000000| 100|0.97255087| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 19| 1000000| 100|0.99556843| WEAK | 2nd sample: PASSED
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rgb_lagged_sum| 20| 1000000| 100|0.50758123| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 21| 1000000| 100|0.98435826| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 22| 1000000| 100|0.15752743| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 23| 1000000| 100|0.98607886| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 24| 1000000| 100|0.86645723| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 25| 1000000| 100|0.87384758| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 26| 1000000| 100|0.98680940| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 27| 1000000| 100|0.56386729| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 28| 1000000| 100|0.16874165| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 29| 1000000| 100|0.10369211| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 30| 1000000| 100|0.91356341| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 31| 1000000| 100|0.42526940| PASSED | 2nd sample: PASSED
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rgb_lagged_sum| 32| 1000000| 100|0.99939460| WEAK | 2nd sample: PASSED
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rgb_kstest_test| 0| 10000| 1000|0.11414525| PASSED | 2nd sample: PASSED
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dab_bytedistrib| 0| 51200000| 1|0.27693890| PASSED | 2nd sample: PASSED
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dab_dct| 256| 50000| 1|0.15807123| PASSED | 2nd sample: PASSED
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Preparing to run test 207. ntuple = 0
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dab_filltree| 32| 15000000| 1|0.33275771| PASSED | 2nd sample: PASSED
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dab_filltree| 32| 15000000| 1|0.15704033| PASSED | 2nd sample: PASSED
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Preparing to run test 208. ntuple = 0
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dab_filltree2| 0| 5000000| 1|0.85562670| PASSED | 2nd sample: PASSED
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dab_filltree2| 1| 5000000| 1|0.35187836| PASSED | 2nd sample: PASSED
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Preparing to run test 209. ntuple = 0
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dab_monobit2| 12| 65000000| 1|0.03099468| PASSED | 2nd sample: PASSED
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`dieharder` output of 22KB of contextswitch (`go version go1.10.3 linux/amd64` on 23.08.2018):
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@ -150,131 +277,3 @@ Please note that around 5 tests of `dieharder` normally fail. This is expected a
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dab_filltree2| 1| 5000000| 1|0.30118240| PASSED
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Preparing to run test 209. ntuple = 0
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dab_monobit2| 12| 65000000| 1|0.00209003| WEAK
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`dieharder` of 1MB of fortuna (`go version go1.10.3 linux/amd64` on 23.08.2018):
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#=============================================================================#
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# dieharder version 3.31.1 Copyright 2003 Robert G. Brown #
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#=============================================================================#
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rng_name | filename |rands/second|
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mt19937| output.bin| 8.44e+07 |
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#=============================================================================#
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test_name |ntup| tsamples |psamples| p-value |Assessment
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#=============================================================================#
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diehard_birthdays| 0| 100| 100|0.94302153| PASSED
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diehard_operm5| 0| 1000000| 100|0.08378380| PASSED
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diehard_rank_32x32| 0| 40000| 100|0.02062049| PASSED
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diehard_rank_6x8| 0| 100000| 100|0.43787871| PASSED
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diehard_bitstream| 0| 2097152| 100|0.15713023| PASSED
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diehard_opso| 0| 2097152| 100|0.79331996| PASSED
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diehard_oqso| 0| 2097152| 100|0.54138750| PASSED
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diehard_dna| 0| 2097152| 100|0.06957205| PASSED
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diehard_count_1s_str| 0| 256000| 100|0.21653644| PASSED
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diehard_count_1s_byt| 0| 256000| 100|0.96539542| PASSED
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diehard_parking_lot| 0| 12000| 100|0.21306362| PASSED
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diehard_2dsphere| 2| 8000| 100|0.40750466| PASSED
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diehard_3dsphere| 3| 4000| 100|0.99827314| WEAK
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diehard_squeeze| 0| 100000| 100|0.70994607| PASSED
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diehard_sums| 0| 100| 100|0.42729005| PASSED
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diehard_runs| 0| 100000| 100|0.08118125| PASSED
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diehard_runs| 0| 100000| 100|0.99226204| PASSED
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diehard_craps| 0| 200000| 100|0.49803401| PASSED
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diehard_craps| 0| 200000| 100|0.84011191| PASSED
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marsaglia_tsang_gcd| 0| 10000000| 100|0.40135552| PASSED
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marsaglia_tsang_gcd| 0| 10000000| 100|0.53311975| PASSED
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sts_monobit| 1| 100000| 100|0.96903259| PASSED
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sts_runs| 2| 100000| 100|0.55734041| PASSED
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sts_serial| 1| 100000| 100|0.69041819| PASSED
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sts_serial| 2| 100000| 100|0.61728694| PASSED
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sts_serial| 3| 100000| 100|0.70299864| PASSED
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sts_serial| 3| 100000| 100|0.36332027| PASSED
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sts_serial| 4| 100000| 100|0.57627216| PASSED
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sts_serial| 4| 100000| 100|0.95046929| PASSED
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sts_serial| 5| 100000| 100|0.79824554| PASSED
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sts_serial| 5| 100000| 100|0.62786166| PASSED
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sts_serial| 6| 100000| 100|0.84103529| PASSED
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sts_serial| 6| 100000| 100|0.89083859| PASSED
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sts_serial| 7| 100000| 100|0.69686380| PASSED
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sts_serial| 7| 100000| 100|0.79436099| PASSED
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sts_serial| 8| 100000| 100|0.84082295| PASSED
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sts_serial| 8| 100000| 100|0.95915719| PASSED
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sts_serial| 9| 100000| 100|0.48200567| PASSED
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sts_serial| 9| 100000| 100|0.10836112| PASSED
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sts_serial| 10| 100000| 100|0.45470523| PASSED
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sts_serial| 10| 100000| 100|0.97608829| PASSED
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sts_serial| 11| 100000| 100|0.89344380| PASSED
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sts_serial| 11| 100000| 100|0.31959825| PASSED
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sts_serial| 12| 100000| 100|0.43415812| PASSED
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sts_serial| 12| 100000| 100|0.27845148| PASSED
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sts_serial| 13| 100000| 100|0.50590833| PASSED
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sts_serial| 13| 100000| 100|0.39585514| PASSED
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sts_serial| 14| 100000| 100|0.55566778| PASSED
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sts_serial| 14| 100000| 100|0.57138798| PASSED
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sts_serial| 15| 100000| 100|0.12315118| PASSED
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sts_serial| 15| 100000| 100|0.41728831| PASSED
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sts_serial| 16| 100000| 100|0.23202389| PASSED
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sts_serial| 16| 100000| 100|0.84883373| PASSED
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rgb_bitdist| 1| 100000| 100|0.45137388| PASSED
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rgb_bitdist| 2| 100000| 100|0.93984739| PASSED
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rgb_bitdist| 3| 100000| 100|0.85148557| PASSED
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rgb_bitdist| 4| 100000| 100|0.77062397| PASSED
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rgb_bitdist| 5| 100000| 100|0.79511260| PASSED
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rgb_bitdist| 6| 100000| 100|0.86150140| PASSED
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rgb_bitdist| 7| 100000| 100|0.98572979| PASSED
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rgb_bitdist| 8| 100000| 100|0.73302973| PASSED
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rgb_bitdist| 9| 100000| 100|0.39660028| PASSED
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rgb_bitdist| 10| 100000| 100|0.13167592| PASSED
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rgb_bitdist| 11| 100000| 100|0.87937846| PASSED
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rgb_bitdist| 12| 100000| 100|0.80619403| PASSED
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rgb_minimum_distance| 2| 10000| 1000|0.38189429| PASSED
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rgb_minimum_distance| 3| 10000| 1000|0.21164619| PASSED
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rgb_minimum_distance| 4| 10000| 1000|0.91875064| PASSED
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rgb_minimum_distance| 5| 10000| 1000|0.27897081| PASSED
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rgb_permutations| 2| 100000| 100|0.22927506| PASSED
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rgb_permutations| 3| 100000| 100|0.80827585| PASSED
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rgb_permutations| 4| 100000| 100|0.38750474| PASSED
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rgb_permutations| 5| 100000| 100|0.18938169| PASSED
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rgb_lagged_sum| 0| 1000000| 100|0.72234187| PASSED
|
||||
rgb_lagged_sum| 1| 1000000| 100|0.28633796| PASSED
|
||||
rgb_lagged_sum| 2| 1000000| 100|0.52961866| PASSED
|
||||
rgb_lagged_sum| 3| 1000000| 100|0.99876080| WEAK
|
||||
rgb_lagged_sum| 4| 1000000| 100|0.39603203| PASSED
|
||||
rgb_lagged_sum| 5| 1000000| 100|0.01004618| PASSED
|
||||
rgb_lagged_sum| 6| 1000000| 100|0.89539065| PASSED
|
||||
rgb_lagged_sum| 7| 1000000| 100|0.55558774| PASSED
|
||||
rgb_lagged_sum| 8| 1000000| 100|0.40063365| PASSED
|
||||
rgb_lagged_sum| 9| 1000000| 100|0.30905028| PASSED
|
||||
rgb_lagged_sum| 10| 1000000| 100|0.31161899| PASSED
|
||||
rgb_lagged_sum| 11| 1000000| 100|0.76729775| PASSED
|
||||
rgb_lagged_sum| 12| 1000000| 100|0.36416009| PASSED
|
||||
rgb_lagged_sum| 13| 1000000| 100|0.21062168| PASSED
|
||||
rgb_lagged_sum| 14| 1000000| 100|0.17580591| PASSED
|
||||
rgb_lagged_sum| 15| 1000000| 100|0.54465457| PASSED
|
||||
rgb_lagged_sum| 16| 1000000| 100|0.39394806| PASSED
|
||||
rgb_lagged_sum| 17| 1000000| 100|0.81572681| PASSED
|
||||
rgb_lagged_sum| 18| 1000000| 100|0.98821505| PASSED
|
||||
rgb_lagged_sum| 19| 1000000| 100|0.86755786| PASSED
|
||||
rgb_lagged_sum| 20| 1000000| 100|0.37832948| PASSED
|
||||
rgb_lagged_sum| 21| 1000000| 100|0.52001140| PASSED
|
||||
rgb_lagged_sum| 22| 1000000| 100|0.83595676| PASSED
|
||||
rgb_lagged_sum| 23| 1000000| 100|0.22643336| PASSED
|
||||
rgb_lagged_sum| 24| 1000000| 100|0.96475696| PASSED
|
||||
rgb_lagged_sum| 25| 1000000| 100|0.49570837| PASSED
|
||||
rgb_lagged_sum| 26| 1000000| 100|0.71327165| PASSED
|
||||
rgb_lagged_sum| 27| 1000000| 100|0.07344404| PASSED
|
||||
rgb_lagged_sum| 28| 1000000| 100|0.86374872| PASSED
|
||||
rgb_lagged_sum| 29| 1000000| 100|0.24892548| PASSED
|
||||
rgb_lagged_sum| 30| 1000000| 100|0.14314375| PASSED
|
||||
rgb_lagged_sum| 31| 1000000| 100|0.27884009| PASSED
|
||||
rgb_lagged_sum| 32| 1000000| 100|0.66637341| PASSED
|
||||
rgb_kstest_test| 0| 10000| 1000|0.13954587| PASSED
|
||||
dab_bytedistrib| 0| 51200000| 1|0.54278716| PASSED
|
||||
dab_dct| 256| 50000| 1|0.71177390| PASSED
|
||||
Preparing to run test 207. ntuple = 0
|
||||
dab_filltree| 32| 15000000| 1|0.51006153| PASSED
|
||||
dab_filltree| 32| 15000000| 1|0.91162889| PASSED
|
||||
Preparing to run test 208. ntuple = 0
|
||||
dab_filltree2| 0| 5000000| 1|0.15507188| PASSED
|
||||
dab_filltree2| 1| 5000000| 1|0.16787382| PASSED
|
||||
Preparing to run test 209. ntuple = 0
|
||||
dab_monobit2| 12| 65000000| 1|0.28347219| PASSED
|
||||
|
|
|
|||
244
rng/test/main.go
244
rng/test/main.go
|
|
@ -1,6 +1,7 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/aes"
|
||||
"crypto/cipher"
|
||||
"crypto/rand"
|
||||
|
|
@ -10,12 +11,159 @@ import (
|
|||
"io"
|
||||
"os"
|
||||
"runtime"
|
||||
"strconv"
|
||||
"time"
|
||||
|
||||
"github.com/safing/portbase/log"
|
||||
"github.com/safing/portbase/modules"
|
||||
"github.com/safing/portbase/rng"
|
||||
"github.com/safing/portbase/run"
|
||||
)
|
||||
|
||||
func noise() {
|
||||
var (
|
||||
module *modules.Module
|
||||
|
||||
outputFile *os.File
|
||||
outputSize uint64 = 1000000
|
||||
)
|
||||
|
||||
func init() {
|
||||
module = modules.Register("main", prep, start, nil, "rng")
|
||||
}
|
||||
|
||||
func main() {
|
||||
runtime.GOMAXPROCS(1)
|
||||
os.Exit(run.Run())
|
||||
}
|
||||
|
||||
func prep() error {
|
||||
if len(os.Args) < 3 {
|
||||
fmt.Printf("usage: ./%s {fortuna|tickfeeder} <file> [output size in MB]", os.Args[0])
|
||||
return modules.ErrCleanExit
|
||||
}
|
||||
|
||||
switch os.Args[1] {
|
||||
case "fortuna":
|
||||
case "tickfeeder":
|
||||
default:
|
||||
return fmt.Errorf("usage: %s {fortuna|tickfeeder}", os.Args[0])
|
||||
}
|
||||
|
||||
if len(os.Args) > 3 {
|
||||
n, err := strconv.ParseUint(os.Args[3], 10, 64)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to parse output size: %s", err)
|
||||
}
|
||||
outputSize = n * 1000000
|
||||
}
|
||||
|
||||
var err error
|
||||
outputFile, err = os.OpenFile(os.Args[2], os.O_CREATE|os.O_WRONLY, 0660)
|
||||
if err != nil {
|
||||
return fmt.Errorf("failed to open output file: %s", err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
//nolint:gocognit
|
||||
func start() error {
|
||||
// generates 1MB and writes to stdout
|
||||
|
||||
log.Infof("writing %dMB to stdout, a \".\" will be printed at every 1024 bytes.", outputSize/1000000)
|
||||
|
||||
switch os.Args[1] {
|
||||
case "fortuna":
|
||||
module.StartWorker("fortuna", fortuna)
|
||||
|
||||
case "tickfeeder":
|
||||
module.StartWorker("noise", noise)
|
||||
module.StartWorker("tickfeeder", tickfeeder)
|
||||
|
||||
default:
|
||||
return fmt.Errorf("usage: ./%s {fortuna|tickfeeder}", os.Args[0])
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func fortuna(_ context.Context) error {
|
||||
var bytesWritten uint64
|
||||
|
||||
for {
|
||||
if module.IsStopping() {
|
||||
return nil
|
||||
}
|
||||
|
||||
b, err := rng.Bytes(64)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
_, err = outputFile.Write(b)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
bytesWritten += 64
|
||||
if bytesWritten%1024 == 0 {
|
||||
os.Stderr.WriteString(".")
|
||||
}
|
||||
if bytesWritten%65536 == 0 {
|
||||
fmt.Fprintf(os.Stderr, "\n%d bytes written\n", bytesWritten)
|
||||
}
|
||||
if bytesWritten >= outputSize {
|
||||
os.Stderr.WriteString("\n")
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
go modules.Shutdown() //nolint:errcheck
|
||||
return nil
|
||||
}
|
||||
|
||||
func tickfeeder(ctx context.Context) error {
|
||||
var bytesWritten uint64
|
||||
var value int64
|
||||
var pushes int
|
||||
|
||||
for {
|
||||
if module.IsStopping() {
|
||||
return nil
|
||||
}
|
||||
|
||||
time.Sleep(10 * time.Nanosecond)
|
||||
|
||||
value = (value << 1) | (time.Now().UnixNano() % 2)
|
||||
pushes++
|
||||
|
||||
if pushes >= 64 {
|
||||
b := make([]byte, 8)
|
||||
binary.LittleEndian.PutUint64(b, uint64(value))
|
||||
_, err := outputFile.Write(b)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
bytesWritten += 8
|
||||
if bytesWritten%1024 == 0 {
|
||||
os.Stderr.WriteString(".")
|
||||
}
|
||||
if bytesWritten%65536 == 0 {
|
||||
fmt.Fprintf(os.Stderr, "\n%d bytes written\n", bytesWritten)
|
||||
}
|
||||
pushes = 0
|
||||
}
|
||||
|
||||
if bytesWritten >= outputSize {
|
||||
os.Stderr.WriteString("\n")
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
go modules.Shutdown() //nolint:errcheck
|
||||
return nil
|
||||
}
|
||||
|
||||
func noise(ctx context.Context) error {
|
||||
// do some aes ctr for noise
|
||||
|
||||
key, _ := hex.DecodeString("6368616e676520746869732070617373")
|
||||
|
|
@ -33,93 +181,11 @@ func noise() {
|
|||
|
||||
stream := cipher.NewCTR(block, iv)
|
||||
for {
|
||||
stream.XORKeyStream(data, data)
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return nil
|
||||
default:
|
||||
stream.XORKeyStream(data, data)
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
//nolint:gocognit
|
||||
func main() {
|
||||
// generates 1MB and writes to stdout
|
||||
|
||||
runtime.GOMAXPROCS(1)
|
||||
|
||||
if len(os.Args) < 2 {
|
||||
fmt.Printf("usage: ./%s {fortuna|tickfeeder}\n", os.Args[0])
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
os.Stderr.WriteString("writing 1MB to stdout, a \".\" will be printed at every 1024 bytes.\n")
|
||||
|
||||
var bytesWritten int
|
||||
|
||||
switch os.Args[1] {
|
||||
case "fortuna":
|
||||
|
||||
err := rng.Start()
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
for {
|
||||
b, err := rng.Bytes(64)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
os.Stdout.Write(b)
|
||||
|
||||
bytesWritten += 64
|
||||
if bytesWritten%1024 == 0 {
|
||||
os.Stderr.WriteString(".")
|
||||
}
|
||||
if bytesWritten%65536 == 0 {
|
||||
fmt.Fprintf(os.Stderr, "\n%d bytes written\n", bytesWritten)
|
||||
}
|
||||
if bytesWritten >= 1000000 {
|
||||
os.Stderr.WriteString("\n")
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
os.Exit(0)
|
||||
case "tickfeeder":
|
||||
|
||||
go noise()
|
||||
|
||||
var value int64
|
||||
var pushes int
|
||||
|
||||
for {
|
||||
time.Sleep(10 * time.Nanosecond)
|
||||
|
||||
value = (value << 1) | (time.Now().UnixNano() % 2)
|
||||
pushes++
|
||||
|
||||
if pushes >= 64 {
|
||||
b := make([]byte, 8)
|
||||
binary.LittleEndian.PutUint64(b, uint64(value))
|
||||
// fmt.Fprintf(os.Stderr, "write: %d\n", value)
|
||||
os.Stdout.Write(b)
|
||||
bytesWritten += 8
|
||||
if bytesWritten%1024 == 0 {
|
||||
os.Stderr.WriteString(".")
|
||||
}
|
||||
if bytesWritten%65536 == 0 {
|
||||
fmt.Fprintf(os.Stderr, "\n%d bytes written\n", bytesWritten)
|
||||
}
|
||||
pushes = 0
|
||||
}
|
||||
|
||||
if bytesWritten >= 1000000 {
|
||||
os.Stderr.WriteString("\n")
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
os.Exit(0)
|
||||
default:
|
||||
fmt.Printf("usage: %s {fortuna|tickfeeder}\n", os.Args[0])
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue