nim-libp2p/tests/testrsa.nim

## Nim-Libp2p
## Copyright (c) 2018 Status Research & Development GmbH
## Licensed under either of
##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import unittest
import nimcrypto/utils
import ../libp2p/crypto/[crypto, rsa]

when defined(nimHasUsed): {.used.}

const
  TestsCount = 20 # number of random tests

  PrivateKeys = [
    """3082013902010002410093405660EDBF5DADAF93DD91E1B38F1EF086A3A0C6EA
       38011E58E08D27B163A9506AB837F4AF5CA23338AB3BFBC0AC7A0FAF6B9EE3B1
       27BD66083C7B272C1D370203010001024017EE5DDB74E823F6655197B1ECC77C
       DC1F651254BFDF32E8E3A0B825D8AC98B09D979753AC4F496AC5E66B5CFD740E
       86532AA1BB38C0E217C1D3736D519E4EC1022100C3FEB2BEA19C735EE3203F5A
       F05E097491FB323217AA1A8494E2E623D9BDA497022100C0554F5A22AAF0E79C
       4E84BEEB336E975E6315664BB97E51120F6936DA8D40610220119A4877729058
       944715D85AD487BD95A89EC4ED56CEC23EF21846CF257930D502202372D5C848
       21777B48BCD40C982F0790108E7490411EB4205F12C6129D1F71A1022030BC71
       BF63EA847A3A682242AC73F3F3B4A232FA0BFC2D2892B7D8AA24958C4C""",
    """3082025D02010002818100BDB0E9A7AF9865E318C8890A883D185F6D9F88868A
       5F586244CA6A07F298349EE52E38EA322D7E453AD2AA8B5019C25C50AEAAA59A
       FA57173F2B3B44501EF45BCC6C1F75BEBAC5C11D7861A8A9DAED68964DEFA6AB
       D0D9FE232E6BA9E97572B6F68C57030CCBAE19E972D16338201B7C11E00364FE
       7D613CB3367BB6CF2C3BE502030100010281807E679DCC785EFDC64F85928CCA
       2CAC492B2BDC368B8EEDBECE48744FC78155CF6CB95883F7DC0900E929E92BDC
       BCCD9FE6C3FE434CFAF57E304206C486FF99A54CCBAA8396B6F6A85F72C9976F
       1B2F376D4518F90481EEA12D4FFD663505F2170473FAE9D593D2A5E8D754CFFE
       06420B464D2EA0DE17D99AB453148D85264721024100E2B5B2266846CC59CF7C
       238DBE0A2B0EAA2AB23E1EE1298E695B1A2A8C0D9B33ABB912C9558BE8CCEC5B
       25F7CFB77E8CD59E63469C089155DC29F2B1C1F5FA0F024100D632D7F41EA20A
       622843605354F05451F889CF4354A51B92C7BF1737B1EEDB9C4BBEDEF1EAA8E8
       763C5EBAB618527A692912D79B610B94D88C97B6ED2C0BEECB02403A48FE4933
       8BE823BADD2E82D575E5C5FA67C9B580D8E087357CEF883AC390C04308ECD488
       42D512423DD8D0123E19B1F985A3FE564539A03A5F2A7F1ADFB36F024100D4F8
       3E818987A17D50FD14A4263AC20BB26B0AF9AE0A6FACF40F8A3D251C119C882F
       6229F42036E98042CBAFCBE50DB2CB54E1ACAAC3C21DC144036C3334361B0241
       00C2200411163DFAD0D56501AB1076A2CD7CC2FDB066CEAACD8212EC1F292C22
       F1840B8C1E23D941436F2EB38873FB76DC649D4DB85FF026D1D5DF405481A2F7
       F5""",
    """308204A40201000282010100B7362C6653ED53C35C3AE663DA496C9B834FF34D
       72DA98FA6DBF4AABA39FCA0901F58A1B1D205076D20010151DBCA8FC2693E14D
       3502320D61E796E9C102C4EBB8F50B90616DE7FB8EA0A4BFC89BE542CC86DB7F
       179B153BC325048BD43A745A203F86B48D54589D4AFBEE128DCAD9C481C157F0
       AECB1EF4720E0E8535C96C318F3B53FEEFDD13774981BDDF6CB60331B2A954E2
       D60DE05961114A8B05EDF13DD116AE47E930CAC1A56FAFFE5438AB5DB0A88A35
       63BCB9B4315121FC4685317847CA4806722BC74ED9954F409D42CAA3BE028E25
       1FA0218414F2ED4469ED78C601C71EF7C68D06BBA24DCDFDC8DCCB1F93A72896
       756B9CCA840E4188D8D02F89020301000102820100532B9596526D3F84453F3B
       CD828FA86D247C4BF011BEA889AEFE92F03E1450CC2C06824E72B773AFACFF78
       4D8DB552653D420E9A55010D25C417350C22A1963188423DA0AA8A1130C27BAC
       AE9F6C1DF46812A45C1AA43D4C66F74C0C0A290B1ECADAEBD4D4FFC0468F7EB4
       81D9BA87874C7C2FE6C402D3A7968B490E31EFA15C4D75FA6DBB49FDFBE5FA79
       F3A2BA7B519F6736E0786A78AB09DAF4F2D78C82DCD2342966D5D5C64E7F728C
       B26D01847B30164CA037C44FD9A410F327C20273C26D708FE64F9ED739A43D1F
       97468D9BB7F789D79329CAE445CEA3CE2B66DD1552E29DEDBFFB2C7BC5B7C7CC
       513C410119E25C00D51849D1D85331C35A2527A54D02818100D1CFF7A51E0F10
       39FF367CB1D13EEAE02CB54A7E155007BA981F25EEA673FD593642F63A49C934
       DC0B907AAB94FEB1A0ADCCE528A6C047137CF2C9A0479C53F4348769F279E5FA
       670C31D0CF922BFE3056B55049149756C3F4AEA085BB5CCD626265BCC9604939
       DCF8F0CF24E2088B021FE7803121C1B9377AC2C4B2296252FF02818100DF8B1C
       FCEA9D5781B72CDF2FAF0C728103E93B09F861632B6AA1144E7A7BD0FF737812
       B8B57CDF5A7276340860EFA2881CE44B834A879DA0489D5F80FA40ADC4E90BDF
       20FE3101099B3BCB053BAE5C4403D2E5F6423521B8A86A1E8B4D79384D04B629
       B9EAE7324669B59FA4DD2359D3B6CC40E5A198FCF2D2F6B57C07A36577028180
       3EAB06861C2755AA6D0F62495E7D937C27FE72649C8B0DF3EEF206CB748E5A92
       E60134388EC779716C46D84D1DB0C16F83DA1A6C7CFA1B80B7A67110DDB2D4E4
       B137ED2E4EB8A1855C00192596BC6B2D17090B14F900871AFA9F9A34B794ED87
       C06A30EC594525F259ACDBC2617D39C005B588F5A3E690230118E1D57144FC13
       02818100BC1D2701B6B53D644D2F1789DAF6D08CBD2BD1A0EC4197E07B549DF0
       04A69913BEA9B6A77522661A88E3EB9979696F0EB7B16DD2482FA377B463AA70
       B1272893E1C139BD5BEB05027E7D6CB534A9DFBEE4B0DF0FC25B4FCB42FE3A41
       E3AA34B4AB5857F8BA32605E5CAA9873761C3F8527F8EE4BCF171D15826E55FE
       CFB6B2B5028181009234B4E0D11E2B61E46FDBDD5C577BA1DDB4EC9AD70D2EC3
       69BE24654A493672A5686D76AD357ED6203FC1896BA57100CCEB7491D1A5A728
       8A97B09FF1DC131E7136B557002205E2ADE5DB114499F15AA1E3C6C7E6FE6381
       04B6A67697C60C4113F613130403C554688C7046D6AC5F5364A658917E23D40F
       1FDDD3DE4C9F51A9""",
    """30820928020100028202010099EBDD4A8DBFD112966F0242CD0D0DFEE9A48572
       D49ED4F1E8BD52A08924691A6CE53A47140EC84D046DB142E0607733204FD461
       D8CB58BDBF05E51FFB77854660ED814861429AE54BD682A06F0B3C51FBD7A27D
       5117862D9EDF6B6A51B4E91F9A973EC3F8EF223EE656B4DA0B1CD41B323EE1ED
       4BCF88611C7BB11EEC1C7ED7D058B1E0F589D3682B25534CDD56F125D0298DD5
       45D26BEB6E1DE1A5411CFE2520B066113AE24198BA24BC47D33B44552A1305E2
       1FD6E1E1699DA1DB04975D35B27011AE9E613B7D4BD7F8144C00E11CC6704CE6
       5DE9761B4ACE8D1F6516BE3B83A8DA3FAC94391DD2FD503342C0D92400461520
       0F40B2BD0430A4472C0BB43F1629E851B5F87ACA7AEF56C06FBF5E2E481DC07C
       E1A8A06F20ABC88203E2C588AACD1AC9CC8D42C52A37DD6CEC2E4916B3A4DD1C
       F24B82BC6E02A0B87B6436AECA94E271D571A2FC7AEB494F180EAED8DF63B9F9
       06E725447C1E3AC5CE54D996B7AB6E41E2CCA301D901716C886798077C61801B
       F770A2A20F9E08BE57F9B02C56379D4B8D32DF4D07B3E70F781CAA4147B6F6A0
       1BEC7AD99B07FC5DC8927A4DF9B17DFED8B01CCE57F78DD3EB1A408C900024CD
       B1C5C909F55DC9D8C9E1F38DD52A3DB9287276D556FC1E5CADB7F727A0C74108
       CF0F8D88948331E024FA6EBBB064302E58B4FD3EAD0135CA0BAE5BEB2DC6DD5C
       AC02EF7A59743F5415109D750203010001028202003A518A9BD7CF48A8F14488
       27C5475FF9288F445CB8C0A15032EDA0A3E0B261FC382C36037E4F07875ED92C
       E378DE33EBB41F6B09D3B9601B2C885042E8E56522C050DCBE0ED3CC9A7A3C81
       6BC6070CC8C751F167E7D4B0EB1219F6B9E6D153CEBCA4F78C0B0298081AFFD9
       30102BD115A8D8F8830F494793FBD5C5CB408C9F66A7B3235A67CDDBC2C92E30
       3C9C5477B3EB06038E3E11370091CD5294697251BCC180F47B2CC3533549B9E7
       7893490E5FF23C18EB8F42BC7CCAA6860FD4D280E77A7F49C3CE906A98D3A6B5
       8103370613FFFFC6B335FBE1DAFF61F9485EE5DA17F48F8279C3AAB9655A6ECD
       F74E20816549914429CC7DA7FB43DE26302D39160686AAFCA829C56FFBDEEC24
       EE70F9AD7F2363EB69FAE1436402BF55EC20A0C40CF0D7373FF55166644620B4
       87006235789763832E7AC18852647449BA99955F3F35809827EF40FBAC271666
       014AC48AB9FC70CC79A124A248ABDC791D87B957DC227223BA00269DC3250C71
       C42029659BD1DFF8F2709272061ED18C7BF2C627A245F33E5DEDC9F00270F910
       C778577AD94988DCD7795C2F507D04365E520500C05044FFC19A809B7A11B87E
       0AF4776C210E28278AC4C7F656B90D8DCEA7D5E39E8DBCF76C505E64EF757B37
       8984070CB9F777A780D8595B17943C1BB5D6B26253F8BE95CFA79F1B736ACAA7
       AC6B900D89991B31271AB1251FD3F26DE1A8BD4AC10282010100C23FB658997C
       C6E33A0C61BCA39FA63FB5188ED619F3B5C93602C218338370BA0F199077098F
       E134E9625FF54E4098E8ECEEDEE2795A829E0DCF5EA79EC2F959F2D811E98A8C
       5240DF704C4E1EC6FCBE842B9A6D835234DCE9E69F7D24CD82A77924DC9EB9C4
       9F8157BDC902A1E643C5C640077D3FF4FB2CA463115154BE346AC35932F1A403
       3E4439993800D17F5527340368C4CEA4519CCBEFA27D82035AD62899D52A1FC1
       F77B67A538A979A6DBC304C16AD49BD8CEEBB9AE52BC05A715C7772934346859
       4FB7BCD379ACF76EBC7DBE7A70EFCEC61E8B5033E423426FBF23F688CB5405E9
       4AAB1EB0120E08755F3F681CC2964D661A4DE67B177885E779D10282010100CA
       DA3B820CEE14BD3624C936957892A76AFF59B203BF734797824E24B674758B19
       F90C1EDB590ED23D810EA9649D5DEB79DC83B7E93EA99F0077BBB0C30FE53017
       5C57099A528EC12AAFCB28DD4291135811122B3C56CEF79351A0E46C37DDCFB4
       280C3FC40A9F782FDCF9A892E3606E2184C6A659D2159F49C4BB589B69A561DC
       E0741793A33930F626F474E16949817FF64103D90B2977BC5AED5727172EABEB
       F771020FCED09A2D3C5D7B29AE5BE7DC9E05A59D730B04D8BD8CBD6D18DC394E
       69121540D15A5B380B74D4DF67D4B358A620456024F16859AA14C1B74A4FDA6B
       2D91197C88232C67AA485FD224C222DA4E80132B07D966A040339977BA2E6502
       82010014CACB12EAC2FF6AFD20AC298BFE1FC67BF4F7FD14E410564C50B943EB
       E7AADE4F9575F037F6CDAD6339E3799779B4A46210238D6C5DF2D3463927319B
       FDD4C0FB0C83C652CD3854B75606E4E9C874EF53A8732C3BBD45E94BA422F83B
       434033FAF4A624DB4F9F9F31AC1FE3073F658BBAEFC99D6F862288A1C3F4EB96
       BD9150C83E3904C280925EAD27A865F606C22FA312A65942A1361729812A0C73
       2936C4EBADA3B29199AA8AEC0A3469779B13B4E94266D4012690E78C858B5792
       E7529E7A33CFE1B835AF21C4B58235B07A8AF48EB9FE72BCD85A16A16C1C8465
       AD1E7194070A74A0F95AC3BC522E6C901D3827CA5621C202E0E5F9E6ACD05357
       49F2B10282010100B3125FC1F8A41BCEC48348D554B1F1D4B551E1DE920C6A39
       E2F7F6FFD5C98D1254C553FBD16B16F865AF0E405F3FC46F614E5740FD388208
       8923299F6B331701933DC2E00949A417C61515E5671DA2704F2812BFF42E35DA
       BC442D22389E40C360A891D7A0BA37F8A3581154CD06C853B06743EE0A10B961
       BA7F5F5B6326AA067033FC87EB9F0597C154B62C8FE8A0291FCB45AD9DE68A9E
       D6B9F6171FBD09485FB03A24B5CBBEBEBBFC3411CBC3CE022AF19CCE8CE5C7EE
       695F3B64E57032C8ABFD792725E72A3AA8890483FF0BEBEABEF1383FC61616BE
       25994D658CE69F0393E5CFD78DE5A81745143F7BC74907D038A35FD08C060BD6
       DAD492388246EB39028201003A3A37839A14AAEA638ADB559DCF7CAD40E0D2FF
       3F3EACB9F32C1EDDB99A09505DEDDD08C22BF9F425ED8E3F1CF3685E22D480CB
       EA0AF3329F62B7A33F4B2C4127D1041CCA480440BCB9862B15263FF473A62CF5
       FF78D9A79282DFF4F20AB2A025AD2D1ED557A74A45FEE4BC8617C8FBE10ACB6F
       DEF43E0AFE077E564E0DA2FCE8A29C6341564D02562D8399C71E355A008945CA
       DAA3C8C35515BDBBCBB73C023814531D5D880017DEF1D79EA68C66774009396A
       226A426A5BFCC35CB5D2C4718229AC2367BF7D4FB2379093D3607A2EBFBA778C
       C40489622820A790E236BBB62BEAE9961D165D0784FFBA77A2999638D5AA7313
       2BF2E6C334598283CFFA28CD"""
  ]

  PublicKeys = [
    """305C300D06092A864886F70D0101010500034B00304802410093405660EDBF5D
       ADAF93DD91E1B38F1EF086A3A0C6EA38011E58E08D27B163A9506AB837F4AF5C
       A23338AB3BFBC0AC7A0FAF6B9EE3B127BD66083C7B272C1D370203010001""",
    """30819F300D06092A864886F70D010101050003818D0030818902818100BDB0E9
       A7AF9865E318C8890A883D185F6D9F88868A5F586244CA6A07F298349EE52E38
       EA322D7E453AD2AA8B5019C25C50AEAAA59AFA57173F2B3B44501EF45BCC6C1F
       75BEBAC5C11D7861A8A9DAED68964DEFA6ABD0D9FE232E6BA9E97572B6F68C57
       030CCBAE19E972D16338201B7C11E00364FE7D613CB3367BB6CF2C3BE5020301
       0001""",
    """30820122300D06092A864886F70D01010105000382010F003082010A02820101
       00B7362C6653ED53C35C3AE663DA496C9B834FF34D72DA98FA6DBF4AABA39FCA
       0901F58A1B1D205076D20010151DBCA8FC2693E14D3502320D61E796E9C102C4
       EBB8F50B90616DE7FB8EA0A4BFC89BE542CC86DB7F179B153BC325048BD43A74
       5A203F86B48D54589D4AFBEE128DCAD9C481C157F0AECB1EF4720E0E8535C96C
       318F3B53FEEFDD13774981BDDF6CB60331B2A954E2D60DE05961114A8B05EDF1
       3DD116AE47E930CAC1A56FAFFE5438AB5DB0A88A3563BCB9B4315121FC468531
       7847CA4806722BC74ED9954F409D42CAA3BE028E251FA0218414F2ED4469ED78
       C601C71EF7C68D06BBA24DCDFDC8DCCB1F93A72896756B9CCA840E4188D8D02F
       890203010001""",
    """30820222300D06092A864886F70D01010105000382020F003082020A02820201
       0099EBDD4A8DBFD112966F0242CD0D0DFEE9A48572D49ED4F1E8BD52A0892469
       1A6CE53A47140EC84D046DB142E0607733204FD461D8CB58BDBF05E51FFB7785
       4660ED814861429AE54BD682A06F0B3C51FBD7A27D5117862D9EDF6B6A51B4E9
       1F9A973EC3F8EF223EE656B4DA0B1CD41B323EE1ED4BCF88611C7BB11EEC1C7E
       D7D058B1E0F589D3682B25534CDD56F125D0298DD545D26BEB6E1DE1A5411CFE
       2520B066113AE24198BA24BC47D33B44552A1305E21FD6E1E1699DA1DB04975D
       35B27011AE9E613B7D4BD7F8144C00E11CC6704CE65DE9761B4ACE8D1F6516BE
       3B83A8DA3FAC94391DD2FD503342C0D924004615200F40B2BD0430A4472C0BB4
       3F1629E851B5F87ACA7AEF56C06FBF5E2E481DC07CE1A8A06F20ABC88203E2C5
       88AACD1AC9CC8D42C52A37DD6CEC2E4916B3A4DD1CF24B82BC6E02A0B87B6436
       AECA94E271D571A2FC7AEB494F180EAED8DF63B9F906E725447C1E3AC5CE54D9
       96B7AB6E41E2CCA301D901716C886798077C61801BF770A2A20F9E08BE57F9B0
       2C56379D4B8D32DF4D07B3E70F781CAA4147B6F6A01BEC7AD99B07FC5DC8927A
       4DF9B17DFED8B01CCE57F78DD3EB1A408C900024CDB1C5C909F55DC9D8C9E1F3
       8DD52A3DB9287276D556FC1E5CADB7F727A0C74108CF0F8D88948331E024FA6E
       BBB064302E58B4FD3EAD0135CA0BAE5BEB2DC6DD5CAC02EF7A59743F5415109D
       750203010001"""
  ]

  Messages = [
    "sample", "test", "sample", "test", "sample", "test", "sample", "test"
  ]

  Signatures = [
    """2E597258C445FC802E502E23E9ECC711F22A2264F661C2A738032A62408FA74B
       C170A8C32F5283355898B2A547BB8C63E0A5CC80CBB326EE52C46094B9D1C517""",
    """8CA474B07CFB229D530E9A1955D30058D3589DFCF44B442DA9F3D5362F1D36CD
       03184CFAA1F9153E034FCB2DA2226BD99BCD51612F909016707B22585A43DA96""",
    """7B5311FED58881F5684343E030011A376563A7264C72553C66A5B2EA5D203127
       8701B248C8D5008415AB7AB302F53A2C44064C84720C5F96A179B0DBC3AF7447
       3E5A040513B0F8212509EE168E7AB90C0E59E157182471202D189F5C0AA2C30B
       F172994581ECEC82F0D59DA7E35611B7E6938E8642F9F13DEC8E257FC5F1D70F""",
    """8C8D7F3E30F8E8D9171F38BFFE2D80A8CF1F9CFC40BED7E530B650149BD395EF
       FE1FFF5683B7E75215453E7ECFB5EF40BBF35B194FB85B718C80B3190C2851B1
       36C84EBB8A8E45D55AB610B7E78B38F0D6A4E7032959CA1EF94E3B1C26702366
       F1524A9FFBA5243DF07876B7B77C4262C064841FEDCF82D1D7A1A0A411ED6E8D""",
    """30768DB2A850D5F3F9044D2C7545C3E3D30B03B6F8159D305F19B1CF939C1336
       DDA83B406D86ECE5170CE922671FCB178FC03DEF87DBA73C002DC7D302FD122F
       1A23BB9F39F21DEBFE42E69A06A0871691B02AEE59772B485ABBF92B99B8E3C8
       F3E0396CD1F197BDD18B9C42684D1A4B91961737CCDA98E40791242ED49D79F5
       02605DC05C3D5106A424ED1D763630864E9E3F448022F411B62F3F5EA87C567B
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       07C0602C8683E4E658D585EBA488824A7BBFA32D7A31F5C46CBCE662998C1C75""",
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       19657852B3A5F9003DC72317A06CC4AF7EBD70E4CE90A2481C337C1E74BCC219
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       F7A3BAED39812B536076CA482C1C83C10153E1739648C5384134E58EB3F72D36
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       ACB51807206B8332127E3692269013B96F0CABD95D7431805E48176ADC5D1366"""
  ]

let rng = newRng()

type
  RsaPrivateKey = rsa.RsaPrivateKey
  RsaPublicKey = rsa.RsaPublicKey

suite "RSA 512/1024/2048/4096 test suite":
  test "[rsa512] Private key serialize/deserialize test":
    for i in 0..<TestsCount:
      var rkey1, rkey2: RsaPrivateKey
      var skey2 = newSeq[byte](4096)
      var key = RsaPrivateKey.random(rng[], 512).expect("random key")
      var skey1 = key.getBytes().expect("bytes")
      check key.toBytes(skey2).expect("bytes") > 0
      check:
        rkey1.init(skey1).isOk()
        rkey2.init(skey2).isOk()
      var rkey3 = RsaPrivateKey.init(skey1).expect("key initialization")
      var rkey4 = RsaPrivateKey.init(skey2).expect("key initialization")
      check:
        rkey1 == key
        rkey2 == key
        rkey3 == key
        rkey4 == key

  test "[rsa1024] Private key serialize/deserialize test":
    for i in 0..<TestsCount:
      var rkey1, rkey2: RsaPrivateKey
      var skey2 = newSeq[byte](4096)
      var key = RsaPrivateKey.random(rng[], 1024).expect("random failed")
      var skey1 = key.getBytes().expect("bytes")
      check key.toBytes(skey2).expect("bytes") > 0
      check:
        rkey1.init(skey1).isOk()
        rkey2.init(skey2).isOk()
      var rkey3 = RsaPrivateKey.init(skey1).expect("key initialization")
      var rkey4 = RsaPrivateKey.init(skey2).expect("key initialization")
      check:
        rkey1 == key
        rkey2 == key
        rkey3 == key
        rkey4 == key

  test "[rsa2048] Private key serialize/deserialize test":
    var rkey1, rkey2: RsaPrivateKey
    var skey2 = newSeq[byte](4096)
    var key = RsaPrivateKey.random(rng[], 2048).expect("random failed")
    var skey1 = key.getBytes().expect("bytes")
    check key.toBytes(skey2).expect("bytes") > 0
    check:
      rkey1.init(skey1).isOk()
      rkey2.init(skey2).isOk()
    var rkey3 = RsaPrivateKey.init(skey1).expect("key initialization")
    var rkey4 = RsaPrivateKey.init(skey2).expect("key initialization")
    check:
      rkey1 == key
      rkey2 == key
      rkey3 == key
      rkey4 == key

  test "[rsa4096] Private key serialize/deserialize test":
    # This test is too slow to run in debug mode.
    when defined(release):
      var rkey1, rkey2: RsaPrivateKey
      var skey2 = newSeq[byte](4096)
      var key = RsaPrivateKey.random(rng[], 4096).expect("random failed")
      var skey1 = key.getBytes().expect("bytes")
      check key.toBytes(skey2).expect("bytes") > 0
      check:
        rkey1.init(skey1).isOk()
        rkey2.init(skey2).isOk()
      var rkey3 = RsaPrivateKey.init(skey1).expect("key initialization")
      var rkey4 = RsaPrivateKey.init(skey2).expect("key initialization")
      check:
        rkey1 == key
        rkey2 == key
        rkey3 == key
        rkey4 == key

  test "[rsa512] Public key serialize/deserialize test":
    for i in 0..<TestsCount:
      var rkey1, rkey2: RsaPublicKey
      var skey2 = newSeq[byte](4096)
      var pair = RsaKeyPair.random(rng[], 512).expect("random failed")
      var skey1 = pair.pubkey().getBytes().expect("bytes")
      check:
        pair.pubkey.toBytes(skey2).expect("bytes") > 0
        rkey1.init(skey1).isOk()
        rkey2.init(skey2).isOk()
      var rkey3 = RsaPublicKey.init(skey1).expect("key initialization")
      var rkey4 = RsaPublicKey.init(skey2).expect("key initialization")
      check:
        rkey1 == pair.pubkey
        rkey2 == pair.pubkey
        rkey3 == pair.pubkey
        rkey4 == pair.pubkey

  test "[rsa1024] Public key serialize/deserialize test":
    for i in 0..<TestsCount:
      var rkey1, rkey2: RsaPublicKey
      var skey2 = newSeq[byte](4096)
      var pair = RsaKeyPair.random(rng[], 1024).expect("random failed")
      var skey1 = pair.pubkey.getBytes().expect("bytes")
      check:
        pair.pubkey.toBytes(skey2).expect("bytes") > 0
        rkey1.init(skey1).isOk()
        rkey2.init(skey2).isOk()
      var rkey3 = RsaPublicKey.init(skey1).expect("key initialization")
      var rkey4 = RsaPublicKey.init(skey2).expect("key initialization")
      check:
        rkey1 == pair.pubkey
        rkey2 == pair.pubkey
        rkey3 == pair.pubkey
        rkey4 == pair.pubkey

  test "[rsa2048] Public key serialize/deserialize test":
    var rkey1, rkey2: RsaPublicKey
    var skey2 = newSeq[byte](4096)
    var pair = RsaKeyPair.random(rng[], 2048).expect("random failed")
    var skey1 = pair.pubkey.getBytes().expect("bytes")
    check:
      pair.pubkey.toBytes(skey2).expect("bytes") > 0
      rkey1.init(skey1).isOk()
      rkey2.init(skey2).isOk()
    var rkey3 = RsaPublicKey.init(skey1).expect("key initialization")
    var rkey4 = RsaPublicKey.init(skey2).expect("key initialization")
    check:
      rkey1 == pair.pubkey
      rkey2 == pair.pubkey
      rkey3 == pair.pubkey
      rkey4 == pair.pubkey

  test "[rsa4096] Public key serialize/deserialize test":
    when defined(release):
      var rkey1, rkey2: RsaPublicKey
      var skey2 = newSeq[byte](4096)
      var pair = RsaKeyPair.random(rng[], 4096).expect("random failed")
      var skey1 = pair.pubkey.getBytes().expect("bytes")
      check:
        pair.pubkey.toBytes(skey2).expect("bytes") > 0
        rkey1.init(skey1).isOk()
        rkey2.init(skey2).isOk()
      var rkey3 = RsaPublicKey.init(skey1).expect("key initialization")
      var rkey4 = RsaPublicKey.init(skey2).expect("key initialization")
      check:
        rkey1 == pair.pubkey
        rkey2 == pair.pubkey
        rkey3 == pair.pubkey
        rkey4 == pair.pubkey

  test "[rsa512] Generate/Sign/Serialize/Deserialize/Verify test":
    var message = "message to sign"
    for i in 0..<TestsCount:
      var kp = RsaKeyPair.random(rng[], 512).expect("RsaKeyPair.random failed")
      var sig = kp.seckey.sign(message).expect("signature")
      var sersk = kp.seckey.getBytes().expect("bytes")
      var serpk = kp.pubkey.getBytes().expect("bytes")
      var sersig = sig.getBytes().expect("bytes")
      discard RsaPrivateKey.init(sersk).expect("RsaPrivateKey.key initialization")
      var pubkey = RsaPublicKey.init(serpk).expect("RsaPublicKey.key initialization")
      var csig = RsaSignature.init(sersig).expect("RsaSignature.key initialization")
      check csig.verify(message, pubkey) == true
      let error = csig.buffer.high
      csig.buffer[error] = not(csig.buffer[error])
      check csig.verify(message, pubkey) == false

  test "[rsa1024] Generate/Sign/Serialize/Deserialize/Verify test":
    var message = "message to sign"
    for i in 0..<TestsCount:
      var kp = RsaKeyPair.random(rng[], 1024).expect("RsaPrivateKey.random failed")
      var sig = kp.seckey.sign(message).expect("signature")
      var sersk = kp.seckey.getBytes().expect("bytes")
      var serpk = kp.pubkey.getBytes().expect("bytes")
      var sersig = sig.getBytes().expect("bytes")
      discard RsaPrivateKey.init(sersk).expect("key initialization")
      var pubkey = RsaPublicKey.init(serpk).expect("key initialization")
      var csig = RsaSignature.init(sersig).expect("key initialization")
      check csig.verify(message, pubkey) == true
      let error = csig.buffer.high
      csig.buffer[error] = not(csig.buffer[error])
      check csig.verify(message, pubkey) == false

  test "[rsa2048] Generate/Sign/Serialize/Deserialize/Verify test":
    var message = "message to sign"
    var kp = RsaKeyPair.random(rng[], 2048).expect("RsaPrivateKey.random failed")
    var sig = kp.seckey.sign(message).expect("signature")
    var sersk = kp.seckey.getBytes().expect("bytes")
    var serpk = kp.pubkey.getBytes().expect("bytes")
    var sersig = sig.getBytes().expect("bytes")
    discard RsaPrivateKey.init(sersk).expect("key initialization")
    var pubkey = RsaPublicKey.init(serpk).expect("key initialization")
    var csig = RsaSignature.init(sersig).expect("key initialization")
    check csig.verify(message, pubkey) == true
    let error = csig.buffer.high
    csig.buffer[error] = not(csig.buffer[error])
    check csig.verify(message, pubkey) == false

  test "[rsa4096] Generate/Sign/Serialize/Deserialize/Verify test":
    when defined(release):
      var message = "message to sign"
      var kp = RsaKeyPair.random(rng[], 2048).expect("RsaPrivateKey.random failed")
      var sig = kp.seckey.sign(message).expect("signature")
      var sersk = kp.seckey.getBytes().expect("bytes")
      var serpk = kp.pubkey.getBytes().expect("bytes")
      var sersig = sig.getBytes().expect("bytes")
      discard RsaPrivateKey.init(sersk).expect("key initialization")
      var pubkey = RsaPublicKey.init(serpk).expect("key initialization")
      var csig = RsaSignature.init(sersig).expect("key initialization")
      check csig.verify(message, pubkey) == true
      let error = csig.buffer.high
      csig.buffer[error] = not(csig.buffer[error])
      check csig.verify(message, pubkey) == false

  test "[rsa512] Test vectors":
    var prvser = fromHex(stripSpaces(PrivateKeys[0]))
    var pubser = fromHex(stripSpaces(PublicKeys[0]))
    var seckey = RsaPrivateKey.init(prvser).expect("key initialization")
    var pubkey = RsaPublicKey.init(pubser).expect("key initialization")
    check:
      seckey.getBytes().expect("bytes") == prvser
    var cpubkey = seckey.getKey()
    check:
      pubkey == cpubkey
      pubkey.getBytes().expect("bytes") == cpubkey.getBytes().expect("bytes")
      pubkey.getBytes().expect("bytes") == pubser

    for i in 0..1:
      var sigser = fromHex(stripSpaces(Signatures[i]))
      var sig = RsaSignature.init(sigser).expect("key initialization")
      var csig = seckey.sign(Messages[i]).expect("signature")
      check:
        sig == csig
        sig.getBytes().expect("bytes") == csig.getBytes().expect("bytes")
        csig.verify(Messages[i], pubkey) == true
        csig.verify(Messages[(i + 1) mod 2], pubkey) == false

  test "[rsa1024] Test vectors":
    var prvser = fromHex(stripSpaces(PrivateKeys[1]))
    var pubser = fromHex(stripSpaces(PublicKeys[1]))
    var seckey = RsaPrivateKey.init(prvser).expect("key initialization")
    var pubkey = RsaPublicKey.init(pubser).expect("key initialization")
    check:
      seckey.getBytes().expect("bytes") == prvser
    var cpubkey = seckey.getKey()
    check:
      pubkey == cpubkey
      pubkey.getBytes().expect("bytes") == cpubkey.getBytes().expect("bytes")
      pubkey.getBytes().expect("bytes") == pubser

    for i in 0..1:
      var sigser = fromHex(stripSpaces(Signatures[2 + i]))
      var sig = RsaSignature.init(sigser).expect("key initialization")
      var csig = seckey.sign(Messages[2 + i]).expect("signature")
      check:
        sig == csig
        sig.getBytes().expect("bytes") == csig.getBytes().expect("bytes")
        csig.verify(Messages[2 + i], pubkey) == true
        csig.verify(Messages[2 + (i + 1) mod 2], pubkey) == false

  test "[rsa2048] Test vectors":
    var prvser = fromHex(stripSpaces(PrivateKeys[2]))
    var pubser = fromHex(stripSpaces(PublicKeys[2]))
    var seckey = RsaPrivateKey.init(prvser).expect("key initialization")
    var pubkey = RsaPublicKey.init(pubser).expect("key initialization")
    check:
      seckey.getBytes().expect("bytes") == prvser
    var cpubkey = seckey.getKey()
    check:
      pubkey == cpubkey
      pubkey.getBytes().expect("bytes") == cpubkey.getBytes().expect("bytes")
      pubkey.getBytes().expect("bytes") == pubser

    for i in 0..1:
      var sigser = fromHex(stripSpaces(Signatures[4 + i]))
      var sig = RsaSignature.init(sigser).expect("key initialization")
      var csig = seckey.sign(Messages[4 + i]).expect("signature")
      check:
        sig == csig
        sig.getBytes().expect("bytes") == csig.getBytes().expect("bytes")
        csig.verify(Messages[4 + i], pubkey) == true
        csig.verify(Messages[4 + (i + 1) mod 2], pubkey) == false

  test "[rsa4096] Test vectors":
    var prvser = fromHex(stripSpaces(PrivateKeys[3]))
    var pubser = fromHex(stripSpaces(PublicKeys[3]))
    var seckey = RsaPrivateKey.init(prvser).expect("key initialization")
    var pubkey = RsaPublicKey.init(pubser).expect("key initialization")
    check:
      seckey.getBytes().expect("bytes") == prvser
    var cpubkey = seckey.getKey()
    check:
      pubkey == cpubkey
      pubkey.getBytes().expect("bytes") == cpubkey.getBytes().expect("bytes")
      pubkey.getBytes().expect("bytes") == pubser

    for i in 0..1:
      var sigser = fromHex(stripSpaces(Signatures[6 + i]))
      var sig = RsaSignature.init(sigser).expect("key initialization")
      var csig = seckey.sign(Messages[6 + i]).expect("signature")
      check:
        sig == csig
        sig.getBytes().expect("bytes") == csig.getBytes().expect("bytes")
        csig.verify(Messages[6 + i], pubkey) == true
        csig.verify(Messages[6 + (i + 1) mod 2], pubkey) == false