release/src/router/libsodium/test/default/pwhash.c

   1
   2 #define TEST_NAME "pwhash"
   3 #include "cmptest.h"
   4
   5 #define OUT_LEN 128
   6 #define OPSLIMIT 1000000
   7 #define MEMLIMIT 10000000
   8
   9 static void tv(void)
  10 {
  11     static struct {
  12         const char         *passwd_hex;
  13         size_t              passwdlen;
  14         const char         *salt_hex;
  15         size_t              outlen;
  16         unsigned long long  opslimit;
  17         size_t              memlimit;
  18     } tests[] = {
  19           { "a347ae92bce9f80f6f595a4480fc9c2fe7e7d7148d371e9487d75f5c23008ffae0"
  20             "65577a928febd9b1973a5a95073acdbeb6a030cfc0d79caa2dc5cd011cef02c08d"
  21             "a232d76d52dfbca38ca8dcbd665b17d1665f7cf5fe59772ec909733b24de97d6f5"
  22             "8d220b20c60d7c07ec1fd93c52c31020300c6c1facd77937a597c7a6",
  23             127,
  24             "5541fbc995d5c197ba290346d2c559dedf405cf97e5f95482143202f9e74f5c2",
  25             155, 481326, 7256678 },
  26           { "e125cee61c8cb7778d9e5ad0a6f5d978ce9f84de213a8556d9ffe202020ab4a6ed"
  27             "9074a4eb3416f9b168f137510f3a30b70b96cbfa219ff99f6c6eaffb15c06b60e0"
  28             "0cc2890277f0fd3c622115772f7048adaebed86e",
  29             86,
  30             "f1192dd5dc2368b9cd421338b22433455ee0a3699f9379a08b9650ea2c126f0d",
  31             250, 535778, 7849083 },
  32           { "92263cbf6ac376499f68a4289d3bb59e5a22335eba63a32e6410249155b956b6a3"
  33             "b48d4a44906b18b897127300b375b8f834f1ceffc70880a885f47c33876717e392"
  34             "be57f7da3ae58da4fd1f43daa7e44bb82d3717af4319349c24cd31e46d295856b0"
  35             "441b6b289992a11ced1cc3bf3011604590244a3eb737ff221129215e4e4347f491"
  36             "5d41292b5173d196eb9add693be5319fdadc242906178bb6c0286c9b6ca6012746"
  37             "711f58c8c392016b2fdfc09c64f0f6b6ab7b",
  38             183,
  39             "3b840e20e9555e9fb031c4ba1f1747ce25cc1d0ff664be676b9b4a90641ff194",
  40             249, 311757, 7994791 },
  41           { "027b6d8e8c8c474e9b69c7d9ed4f9971e8e1ce2f6ba95048414c3970f0f09b70e3"
  42             "b6c5ae05872b3d8678705b7d381829c351a5a9c88c233569b35d6b0b809df44b64"
  43             "51a9c273f1150e2ef8a0b5437eb701e373474cd44b97ef0248ebce2ca0400e1b53"
  44             "f3d86221eca3f18eb45b702b9172440f774a82cbf1f6f525df30a6e293c873cce6"
  45             "9bb078ed1f0d31e7f9b8062409f37f19f8550aae",
  46             152,
  47             "eb2a3056a09ad2d7d7f975bcd707598f24cd32518cde3069f2e403b34bfee8a5",
  48             5, 643464, 1397645 },
  49           { "4a857e2ee8aa9b6056f2424e84d24a72473378906ee04a46cb05311502d5250b82"
  50             "ad86b83c8f20a23dbb74f6da60b0b6ecffd67134d45946ac8ebfb3064294bc097d"
  51             "43ced68642bfb8bbbdd0f50b30118f5e",
  52             82,
  53             "39d82eef32010b8b79cc5ba88ed539fbaba741100f2edbeca7cc171ffeabf258",
  54             190, 758010, 5432947 },
  55           { "1845e375479537e9dd4f4486d5c91ac72775d66605eeb11a787b78a7745f1fd005"
  56             "2d526c67235dbae1b2a4d575a74cb551c8e9096c593a497aee74ba3047d911358e"
  57             "de57bc27c9ea1829824348daaab606217cc931dcb6627787bd6e4e5854f0e8",
  58             97,
  59             "3ee91a805aa62cfbe8dce29a2d9a44373a5006f4a4ce24022aca9cecb29d1473",
  60             212, 233177, 13101817 },
  61           { "c7b09aec680e7b42fedd7fc792e78b2f6c1bea8f4a884320b648f81e8cf515e8ba"
  62             "9dcfb11d43c4aae114c1734aa69ca82d44998365db9c93744fa28b63fd16000e82"
  63             "61cbbe083e7e2da1e5f696bde0834fe53146d7e0e35e7de9920d041f5a5621aabe"
  64             "02da3e2b09b405b77937efef3197bd5772e41fdb73fb5294478e45208063b5f58e"
  65             "089dbeb6d6342a909c1307b3fff5fe2cf4da56bdae50848f",
  66             156,
  67             "039c056d933b475032777edbaffac50f143f64c123329ed9cf59e3b65d3f43b6",
  68             178, 234753, 4886999 },
  69           { "8f3a06e2fd8711350a517bb12e31f3d3423e8dc0bb14aac8240fca0995938d59bb"
  70             "37bd0a7dfc9c9cc0705684b46612e8c8b1d6655fb0f9887562bb9899791a0250d1"
  71             "320f945eda48cdc20c233f40a5bb0a7e3ac5ad7250ce684f68fc0b8c9633bfd75a"
  72             "ad116525af7bdcdbbdb4e00ab163fd4df08f243f12557e",
  73             122,
  74             "90631f686a8c3dbc0703ffa353bc1fdf35774568ac62406f98a13ed8f47595fd",
  75             55, 695191, 15738350 },
  76           { "b540beb016a5366524d4605156493f9874514a5aa58818cd0c6dfffaa9e90205f1"
  77             "7b",
  78             34,
  79             "44071f6d181561670bda728d43fb79b443bb805afdebaf98622b5165e01b15fb",
  80             231, 78652, 6631659 },
  81           { "a14975c26c088755a8b715ff2528d647cd343987fcf4aa25e7194a8417fb2b4b3f"
  82             "7268da9f3182b4cfb22d138b2749d673a47ecc7525dd15a0a3c66046971784bb63"
  83             "d7eae24cc84f2631712075a10e10a96b0e0ee67c43e01c423cb9c44e5371017e9c"
  84             "496956b632158da3fe12addecb88912e6759bc37f9af2f45af72c5cae3b179ffb6"
  85             "76a697de6ebe45cd4c16d4a9d642d29ddc0186a0a48cb6cd62bfc3dd229d313b30"
  86             "1560971e740e2cf1f99a9a090a5b283f35475057e96d7064e2e0fc81984591068d"
  87             "55a3b4169f22cccb0745a2689407ea1901a0a766eb99",
  88             220,
  89             "3d968b2752b8838431165059319f3ff8910b7b8ecb54ea01d3f54769e9d98daf",
  90             167, 717248, 10784179 },
  91       };
  92     char          passwd[256];
  93     unsigned char salt[crypto_pwhash_scryptsalsa208sha256_SALTBYTES];
  94     unsigned char out[256];
  95     char          out_hex[256 * 2 + 1];
  96     size_t        i = 0U;
  97
  98     do {
  99         sodium_hex2bin((unsigned char *) passwd, sizeof passwd,
 100                        tests[i].passwd_hex, strlen(tests[i].passwd_hex), NULL,
 101                        NULL, NULL);
 102         sodium_hex2bin(salt, sizeof salt, tests[i].salt_hex,
 103                        strlen(tests[i].salt_hex), NULL, NULL, NULL);
 104         if (crypto_pwhash_scryptsalsa208sha256(
 105                 out, (unsigned long long) tests[i].outlen,
 106                 passwd, tests[i].passwdlen,
 107                 (const unsigned char *) salt, tests[i].opslimit,
 108                 tests[i].memlimit) != 0) {
 109             printf("pwhash failure\n");
 110         }
 111         sodium_bin2hex(out_hex, sizeof out_hex, out, tests[i].outlen);
 112         printf("%s\n", out_hex);
 113     } while (++i < (sizeof tests) / (sizeof tests[0]));
 114 }
 115
 116 static void tv2(void)
 117 {
 118     static struct {
 119         const char         *passwd_hex;
 120         size_t              passwdlen;
 121         const char         *salt_hex;
 122         size_t              outlen;
 123         unsigned long long  opslimit;
 124         size_t              memlimit;
 125     } tests[] = {
 126           { "a347ae92bce9f80f6f595a4480fc9c2fe7e7d7148d371e9487d75f5c23008ffae0"
 127             "65577a928febd9b1973a5a95073acdbeb6a030cfc0d79caa2dc5cd011cef02c08d"
 128             "a232d76d52dfbca38ca8dcbd665b17d1665f7cf5fe59772ec909733b24de97d6f5"
 129             "8d220b20c60d7c07ec1fd93c52c31020300c6c1facd77937a597c7a6",
 130             127,
 131             "5541fbc995d5c197ba290346d2c559dedf405cf97e5f95482143202f9e74f5c2",
 132             155, 64, 1397645 },
 133           { "a347ae92bce9f80f6f595a4480fc9c2fe7e7d7148d371e9487d75f5c23008ffae0"
 134             "65577a928febd9b1973a5a95073acdbeb6a030cfc0d79caa2dc5cd011cef02c08d"
 135             "a232d76d52dfbca38ca8dcbd665b17d1665f7cf5fe59772ec909733b24de97d6f5"
 136             "8d220b20c60d7c07ec1fd93c52c31020300c6c1facd77937a597c7a6",
 137             127,
 138             "5541fbc995d5c197ba290346d2c559dedf405cf97e5f95482143202f9e74f5c2",
 139             155, 32768, 1397645 },
 140       };
 141     char          passwd[256];
 142     unsigned char salt[crypto_pwhash_scryptsalsa208sha256_SALTBYTES];
 143     unsigned char out[256];
 144     char          out_hex[256 * 2 + 1];
 145     size_t        i = 0U;
 146
 147     do {
 148         sodium_hex2bin((unsigned char *)passwd, sizeof passwd,
 149                        tests[i].passwd_hex, strlen(tests[i].passwd_hex), NULL,
 150                        NULL, NULL);
 151         sodium_hex2bin(salt, sizeof salt, tests[i].salt_hex,
 152                        strlen(tests[i].salt_hex), NULL, NULL, NULL);
 153         if (crypto_pwhash_scryptsalsa208sha256(
 154                 out, (unsigned long long) tests[i].outlen,
 155                 passwd, tests[i].passwdlen,
 156                 (const unsigned char *) salt, tests[i].opslimit,
 157                 tests[i].memlimit) != 0) {
 158             printf("pwhash failure\n");
 159         }
 160         sodium_bin2hex(out_hex, sizeof out_hex, out, tests[i].outlen);
 161         printf("%s\n", out_hex);
 162     } while (++i < (sizeof tests) / (sizeof tests[0]));
 163 }
 164
 165 static void tv3(void)
 166 {
 167     static struct {
 168         const char *passwd;
 169         const char *out;
 170     } tests[] = {
 171           { "^T5H$JYt39n%K*j:W]!1s?vg!:jGi]Ax?..l7[p0v:1jHTpla9;]bUN;?bWyCbtqg "
 172             "nrDFal+Jxl3,2`#^tFSu%v_+7iYse8-cCkNf!tD=KrW)",
 173             "$7$B6....1....75gBMAGwfFWZqBdyF3WdTQnWdUsuTiWjG1fF9c1jiSD$tc8RoB3."
 174             "Em3/zNgMLWo2u00oGIoTyJv4fl3Fl8Tix72" },
 175           { "bl72h6#y<':MFRZ>B IA1=NRkCKS%W8`1I.2uQxJN0g)N N aTt^4K!Iw5r "
 176             "H6;crDsv^a55j9tsk'/GqweZn;cdk6+F_St6:#*=?ZCD_lw>.",
 177             "$7$A6....3....Iahc6qM0.UQJHVgE4h9oa1/"
 178             "4OWlWLm9CCtfguvz6bQD$QnXCo3M7nIqtry2WKsUZ5gQ.mY0wAlJu."
 179             "WUhtE8vF66" },
 180           { "Py "
 181             ">e.5b+tLo@rL`dC2k@eJ&4eVl!W=JJ4+k&mAt@gt',FS1JjqKW3aq21:]^kna`"
 182             "mde7kVkN5NrpKUptu)@4*b&?BE_sJMG1=&@`3GBCV]Wg7xwgo7x3El",
 183             "$7$96..../....f6bEusKt79kK4wdYN0ki2nw4bJQ7P3rN6k3BSigsK/"
 184             "D$Dsvuw7vXj5xijmrb/NOhdgoyK/OiSIYv88cEtl9Cik7" },
 185           { "2vj;Um]FKOL27oam(:Uo8+UmSTvb1FD*h?jk_,S=;RDgF-$Fjk?]9yvfxe@fN^!NN("
 186             "Cuml?+2Raa",
 187             "$7$86....I....7XwIxLtCx4VphmFeUa6OGuGJrFaIaYzDiLNu/"
 188             "tyUPhD$U3q5GCEqCWxMwh.YQHDJrlg7FIZgViv9pcXE3h1vg61" },
 189           { "CT=[9uUoGav,J`kU+348tA50ue#sL:ABZ3QgF+r[#vh:tTOiL>s8tv%,Jeo]jH/"
 190             "_4^i(*jD-_ku[9Ko[=86 06V",
 191             "$7$A6....2....R3.bjH6YS9wz9z8Jsj.3weGQ3J80ZZElGw2oVux1TP6$"
 192             "i5u6lFzXDHaIgYEICinLD6WNaovbiXP8SnLrDRdKgA9" },
 193           { "J#wNn`hDgOpTHNI.w^1a70%f,.9V_m038H_JIJQln`vdWnn/"
 194             "rmILR?9H5g(+`;@H(2VosN9Fgk[WEjaBr'yB9Q19-imNa04[Mk5kvGcSn-TV",
 195             "$7$B6....1....Dj1y.4mF1J9XmT/6IDskYdCLaPFJTq9xcCwXQ1DpT92$92/"
 196             "hYfZLRq1nTLyIz.uc/dC6wLqwnsoqpkadrCXusm6" },
 197           { "j4BS38Asa;p)[K+9TY!3YDj<LK-`nLVXQw9%*QfM",
 198             "$7$B6....1....5Ods8mojVwXJq4AywF/uI9BdMSiJ/zT8hQP/"
 199             "4cB68VC$nk4ExHNXJ802froj51/1wJTrSZvTIyyK7PecOxRRaz0" },
 200           { "M.R>Qw+!qJb]>pP :_.9`dxM9k [eR7Y!yL-3)sNs[R,j_/^ "
 201             "TH=5ny'15>6UXWcQW^6D%XCsO[vN[%ReA-`tV1vW(Nt*0KVK#]45P_A",
 202             "$7$B6....1....D/"
 203             "eyk8N5y6Z8YVQEsw521cTx.9zzLuK7YDs1KMMh.o4$alfW8ZbsUWnXc."
 204             "vqon2zoljVk24Tt1.IsCuo2KurvS2" },
 205           { "K3S=KyH#)36_?]LxeR8QNKw6X=gFb'ai$C%29V* "
 206             "tyh^Wo$TN-#Q4qkmtTCf0LLb.^E$0uykkP",
 207             "$7$B6....1....CuBuU97xgAage8whp/"
 208             "JNKobo0TFbsORGVbfcQIefyP8$aqalP."
 209             "XofGViB8EPLONqHma8vs1xc9uTIMYh9CgE.S8" },
 210           { "Y0!?iQa9M%5ekffW(`",
 211             "$7$A6....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 212             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 213
 214           /* Invalid pwhash strings */
 215
 216           { "Y0!?iQa9M%5ekffW(`",
 217             "$7$A6....1....$TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4"
 218             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 219           { "Y0!?iQa9M%5ekffW(`",
 220             "$7$.6....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 221             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 222           { "Y0!?iQa9M%5ekffW(`",
 223             "$7$A.....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 224             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 225           { "Y0!?iQa9M%5ekffW(`",
 226             "$7$A6.........TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 227             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 228           { "Y0!?iQa9M%5ekffW(`",
 229             "$7$A6....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i44269$"
 230             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AH" },
 231           { "Y0!?iQa9M%5ekffW(`",
 232             "$7$A6....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 233             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx54269" },
 234           { "Y0!?iQa9M%5ekffW(`",
 235             "$7^A6....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 236             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 237           { "Y0!?iQa9M%5ekffW(`",
 238             "$7$!6....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 239             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 240           { "Y0!?iQa9M%5ekffW(`",
 241             "$7$A!....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 242             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 243           { "Y0!?iQa9M%5ekffW(`",
 244             "$7$A6....!....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 245             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 246           { "",
 247             "$7$A6....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 248             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 249           { "Y0!?iQa9M%5ekffW(`",
 250             "$7fA6....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4#"
 251             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 252           { "Y0!?iQa9M%5ekffW(`",
 253             "$7$AX....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 254             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 255           { "Y0!?iQa9M%5ekffW(`",
 256             "$7$A6....1!...TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 257             "a4ik5hGDN7foMuHOW.cp.CtX01UyCeO0.JAG.AHPpx5" },
 258           { "Y0!?iQa9M%5ekffW(`",
 259             "$7$A6....1" },
 260           { "Y0!?iQa9M%5ekffW(`",
 261             "$7$" },
 262           { "Y0!?iQa9M%5ekffW(`",
 263             "" },
 264           { "Y0!?iQa9M%5ekffW(`",
 265             "$7$A6....1....TrXs5Zk6s8sWHpQgWDIXTR8kUU3s6Jc3s.DtdS8M2i4$"
 266             "" },
 267       };
 268     char *out;
 269     char *passwd;
 270     size_t i = 0U;
 271
 272     do {
 273         out = (char *) sodium_malloc(strlen(tests[i].out) + 1U);
 274         assert(out != NULL);
 275         memcpy(out, tests[i].out, strlen(tests[i].out) + 1U);
 276         passwd = (char *) sodium_malloc(strlen(tests[i].passwd) + 1U);
 277         assert(passwd != NULL);
 278         memcpy(passwd, tests[i].passwd, strlen(tests[i].passwd) + 1U);
 279         if (crypto_pwhash_scryptsalsa208sha256_str_verify
 280             (out, passwd, strlen(passwd)) != 0) {
 281             printf("pwhash_str failure: [%u]\n", (unsigned int)i);
 282         }
 283         sodium_free(out);
 284         sodium_free(passwd);
 285     } while (++i < (sizeof tests) / (sizeof tests[0]));
 286 }
 287
 288 int main(void)
 289 {
 290     char       *str_out;
 291     char       *str_out2;
 292     char       *salt;
 293     const char *passwd = "Correct Horse Battery Staple";
 294
 295     tv();
 296     tv2();
 297     tv3();
 298     salt = (char *)
 299         sodium_malloc(crypto_pwhash_scryptsalsa208sha256_SALTBYTES);
 300     str_out = (char *)
 301         sodium_malloc(crypto_pwhash_scryptsalsa208sha256_STRBYTES);
 302     str_out2 = (char *)
 303         sodium_malloc(crypto_pwhash_scryptsalsa208sha256_STRBYTES);
 304     memcpy(salt, "[<~A 32-bytes salt for scrypt~>]",
 305            crypto_pwhash_scryptsalsa208sha256_SALTBYTES);
 306     if (crypto_pwhash_scryptsalsa208sha256_str(str_out, passwd, strlen(passwd),
 307                                                OPSLIMIT, MEMLIMIT) != 0) {
 308         printf("pwhash_str failure\n");
 309     }
 310     if (crypto_pwhash_scryptsalsa208sha256_str(str_out2, passwd, strlen(passwd),
 311                                                OPSLIMIT, MEMLIMIT) != 0) {
 312         printf("pwhash_str(2) failure\n");
 313     }
 314     if (strcmp(str_out, str_out2) == 0) {
 315         printf("pwhash_str doesn't generate different salts\n");
 316     }
 317     if (crypto_pwhash_scryptsalsa208sha256_str_verify(str_out, passwd,
 318                                                       strlen(passwd)) != 0) {
 319         printf("pwhash_str_verify failure\n");
 320     }
 321     if (crypto_pwhash_scryptsalsa208sha256_str_verify(str_out, passwd,
 322                                                       strlen(passwd)) != 0) {
 323         printf("pwhash_str_verify failure\n");
 324     }
 325     str_out[14]++;
 326     if (crypto_pwhash_scryptsalsa208sha256_str_verify(
 327         str_out, passwd, strlen(passwd)) == 0) {
 328         printf("pwhash_str_verify(2) failure\n");
 329     }
 330     str_out[14]--;
 331
 332     assert(str_out[crypto_pwhash_scryptsalsa208sha256_STRBYTES - 1U] == 0);
 333     assert(crypto_pwhash_scryptsalsa208sha256_saltbytes() > 0U);
 334     assert(crypto_pwhash_scryptsalsa208sha256_strbytes() > 1U);
 335     assert(crypto_pwhash_scryptsalsa208sha256_strbytes() >
 336            strlen(crypto_pwhash_scryptsalsa208sha256_strprefix()));
 337     assert(crypto_pwhash_scryptsalsa208sha256_opslimit_interactive() > 0U);
 338     assert(crypto_pwhash_scryptsalsa208sha256_memlimit_interactive() > 0U);
 339     assert(crypto_pwhash_scryptsalsa208sha256_opslimit_sensitive() > 0U);
 340     assert(crypto_pwhash_scryptsalsa208sha256_memlimit_sensitive() > 0U);
 341
 342     sodium_free(salt);
 343     sodium_free(str_out);
 344     sodium_free(str_out2);
 345
 346     printf("OK\n");
 347
 348     return 0;
 349 }