v2 / vlib / x / crypto / ascon / xof_test.v
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1// Copyright ©2025 blackshirt.


2// Use of this source code is governed by an MIT license


3// that can be found in the LICENSE file.


4//


5import arrays


6import encoding.hex


7import x.crypto.ascon


8


9// This test for Xof128 with 512-bits outputs


10struct XofTest {


11    count int


12    msg   string


13    md    string


14}


15


16fn test_xof128() ! {


17    for item in xof128_test_data {


18        msg := hex.decode(item.msg)!


19        md := hex.decode(item.md)!


20        out := ascon.xof128_64(msg)!


21        assert out == md


22


23        // With Xof128Digest opaque


24        mut x := ascon.new_xof128(ascon.default_xof_size)


25        md0 := x.sum(msg)


26        assert md0 == md


27


28        // test .read()


29        x.reset()


30        mut dst := []u8{len: 64}


31        _ := x.write(msg)!


32        nr := x.read(mut dst)!


33        assert nr == 64


34        assert dst == md


35


36        // with chunked messages


37        x.reset()


38        chunks := arrays.chunk[u8](msg, 20)


39        mut tot := 0


40        for chunk in chunks {


41            n := x.write(chunk)!


42            tot += n


43        }


44        assert msg.len == tot


45


46        chunked_md := x.sum([]u8{})


47        assert chunked_md == md


48    }


49}


50


51const xof128_test_data = [


52    XofTest{


53        count: 1


54        msg:   ''


55        md:    '473d5e6164f58b39dfd84aacdb8ae42ec2d91fed33388ee0d960d9b3993295c6ad77855a5d3b13fe6ad9e6098988373af7d0956d05a8f1665d2c67d1a3ad10ff'


56    },


57    XofTest{


58        count: 2


59        msg:   '00'


60        md:    '51430e0438ecdf642b393630d977625f5f337656ba58ab1e960784ac32a16e0d446405551f5469384f8ea283cf12e64fa72c426bfebaea3aa1529e2c4ab23a2f'


61    },


62    XofTest{


63        count: 3


64        msg:   '0001'


65        md:    'a05383077af971d3830bd37e7b981497a773d441db077c6494cc73125953846eb6427fba4cd308ff90a11385d51101341bf5379249217bfdace9cca1148cc966'


66    },


67    XofTest{


68        count: 4


69        msg:   '000102'


70        md:    '9c96f31c3e7bdfdc5ef6ba836f760a0d6548d94dd0a512033022c9242e8ba916c30c3961d37d7dd7282e2191494d60dc5058588b276c60c90be2aaa7e7013d96'


71    },


72    XofTest{


73        count: 5


74        msg:   '00010203'


75        md:    '21f7fd74588e244af45f9016b8db19b857ec5e6208978cfc1b4611ed91fb38f87e8f82a6409fb2b77acfbba8862aa22a7b0c98c1c01d5a4fdf64827b450fa1eb'


76    },


77    XofTest{


78        count: 6


79        msg:   '0001020304'


80        md:    'd647cc91aafff06a486f00a33fdfe9222f08b94da3b17804da9aaae167b4285dd6395e2a61fded3cf73c99774aff7066f74f7698f4824ba538602087d7c267fa'


81    },


82    XofTest{


83        count: 7


84        msg:   '000102030405'


85        md:    '4793fbe6aa7688e52cd3a97a2685c68b218e0ca8754307956509974ab107d8ba19070424d5dfd336c3fc1250a273b9146f9f26d7658b9e213c37aebbe74abc6e'


86    },


87    XofTest{


88        count: 8


89        msg:   '00010203040506'


90        md:    '7ae562db37212a9acd2673ecfd5b4f1c5cb2e6f64ebf00aa7f6ef8dc82c448d5fe11cd91f4368c37690d79e5de0ca8ad419e1918ce8dab2d42363e9476638a7b'


91    },


92    XofTest{


93        count: 9


94        msg:   '0001020304050607'


95        md:    '8d1886f5d3ec4af8d15b44bc62b74da6ea91bc28fb82f9c34079b5ed6e38b6c951803d7dfb3c5e512a0ef5e4060062a6fd067f9c73ef9bee527411bda67fc896'


96    },


97    XofTest{


98        count: 10


99        msg:   '000102030405060708'


100        md:    'db3013bfbbd132dc1d3152fd955ed48f7cbb675e9ad2a2fecf92b74c957592e0c89959e81c16fd07ead9eeb8e40359c497aa20258b43d87ec69ad0bb0993fd38'


101    },


102    XofTest{


103        count: 601


104        msg:   '000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f5051525354555657'


105        md:    '8fbbce48a72faf257e06df9408d4b6e11d35a86dfc29c0f106cb86128a2fe94208dcc8df4a439978cdb77f53317cbe5507b7f33da590be10a424d4ef60b37036'


106    },


107    XofTest{


108        count: 602


109        msg:   '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'


110        md:    'b4ca30047dc94ed770e45f4fa07b25a049d4a149a78227e25625cec2cbee7cfdd7d3cfb2635a38770e04009de348726364f648984ef47e9bc90c2a3c0526b227'


111    },


112]


113