FreeBSD/Linux Kernel Cross Reference
sys/contrib/libsodium/test/default/pwhash_argon2id.c

     
     #define TEST_NAME "pwhash_argon2id"
     #include "cmptest.h"
     
     #define OUT_LEN 128
     #define OPSLIMIT 3
     #define MEMLIMIT 5000000
     
     static void
    tv(void)
    {
        static struct {
            const char *       passwd_hex;
            size_t             passwd_len;
            const char *       salt_hex;
            size_t             outlen;
            unsigned long long opslimit;
            size_t             memlimit;
            unsigned int       lanes;
        } tests[] = {
            { "a347ae92bce9f80f6f595a4480fc9c2fe7e7d7148d371e9487d75f5c23008ffae0"
              "65577a928febd9b1973a5a95073acdbeb6a030cfc0d79caa2dc5cd011cef02c08d"
              "a232d76d52dfbca38ca8dcbd665b17d1665f7cf5fe59772ec909733b24de97d6f5"
              "8d220b20c60d7c07ec1fd93c52c31020300c6c1facd77937a597c7a6",
              127,
              "5541fbc995d5c197ba290346d2c559dedf405cf97e5f95482143202f9e74f5c2",
              155, 5, 7256678, 1 },
            { "e125cee61c8cb7778d9e5ad0a6f5d978ce9f84de213a8556d9ffe202020ab4a6ed"
              "9074a4eb3416f9b168f137510f3a30b70b96cbfa219ff99f6c6eaffb15c06b60e0"
              "0cc2890277f0fd3c622115772f7048adaebed86e",
              86,
              "f1192dd5dc2368b9cd421338b22433455ee0a3699f9379a08b9650ea2c126f0d",
              250, 4, 7849083, 1 },
            { "92263cbf6ac376499f68a4289d3bb59e5a22335eba63a32e6410249155b956b6a3"
              "b48d4a44906b18b897127300b375b8f834f1ceffc70880a885f47c33876717e392"
              "be57f7da3ae58da4fd1f43daa7e44bb82d3717af4319349c24cd31e46d295856b0"
              "441b6b289992a11ced1cc3bf3011604590244a3eb737ff221129215e4e4347f491"
              "5d41292b5173d196eb9add693be5319fdadc242906178bb6c0286c9b6ca6012746"
              "711f58c8c392016b2fdfc09c64f0f6b6ab7b",
              183,
              "3b840e20e9555e9fb031c4ba1f1747ce25cc1d0ff664be676b9b4a90641ff194",
              249, 3, 7994791, 1 },
            { "027b6d8e8c8c474e9b69c7d9ed4f9971e8e1ce2f6ba95048414c3970f0f09b70e3"
              "b6c5ae05872b3d8678705b7d381829c351a5a9c88c233569b35d6b0b809df44b64"
              "51a9c273f1150e2ef8a0b5437eb701e373474cd44b97ef0248ebce2ca0400e1b53"
              "f3d86221eca3f18eb45b702b9172440f774a82cbf1f6f525df30a6e293c873cce6"
              "9bb078ed1f0d31e7f9b8062409f37f19f8550aae",
              152,
              "eb2a3056a09ad2d7d7f975bcd707598f24cd32518cde3069f2e403b34bfee8a5", 5,
              4, 1397645, 1 },
            { "4a857e2ee8aa9b6056f2424e84d24a72473378906ee04a46cb05311502d5250b82"
              "ad86b83c8f20a23dbb74f6da60b0b6ecffd67134d45946ac8ebfb3064294bc097d"
              "43ced68642bfb8bbbdd0f50b30118f5e",
              82,
              "39d82eef32010b8b79cc5ba88ed539fbaba741100f2edbeca7cc171ffeabf258",
              190, 3, 1432947, 1 },
            { "c7b09aec680e7b42fedd7fc792e78b2f6c1bea8f4a884320b648f81e8cf515e8ba"
              "9dcfb11d43c4aae114c1734aa69ca82d44998365db9c93744fa28b63fd16000e82"
              "61cbbe083e7e2da1e5f696bde0834fe53146d7e0e35e7de9920d041f5a5621aabe"
              "02da3e2b09b405b77937efef3197bd5772e41fdb73fb5294478e45208063b5f58e"
              "089dbeb6d6342a909c1307b3fff5fe2cf4da56bdae50848f",
              156,
              "039c056d933b475032777edbaffac50f143f64c123329ed9cf59e3b65d3f43b6",
              178, 3, 4886999, 1 },
            { "b540beb016a5366524d4605156493f9874514a5aa58818cd0c6dfffaa9e90205f1"
              "7b",
              34,
              "44071f6d181561670bda728d43fb79b443bb805afdebaf98622b5165e01b15fb",
              231, 1, 1631659, 1 },
            { "a14975c26c088755a8b715ff2528d647cd343987fcf4aa25e7194a8417fb2b4b3f"
              "7268da9f3182b4cfb22d138b2749d673a47ecc7525dd15a0a3c66046971784bb63"
              "d7eae24cc84f2631712075a10e10a96b0e0ee67c43e01c423cb9c44e5371017e9c"
              "496956b632158da3fe12addecb88912e6759bc37f9af2f45af72c5cae3b179ffb6"
              "76a697de6ebe45cd4c16d4a9d642d29ddc0186a0a48cb6cd62bfc3dd229d313b30"
              "1560971e740e2cf1f99a9a090a5b283f35475057e96d7064e2e0fc81984591068d"
              "55a3b4169f22cccb0745a2689407ea1901a0a766eb99",
              220,
              "3d968b2752b8838431165059319f3ff8910b7b8ecb54ea01d3f54769e9d98daf",
              167, 3, 1784128, 1 },
        };
        char          passwd[256];
        unsigned char salt[crypto_pwhash_SALTBYTES];
        unsigned char out[256];
        char          out_hex[256 * 2 + 1];
        size_t        i = 0U;
    
        do {
            sodium_hex2bin((unsigned char *) passwd, sizeof passwd,
                           tests[i].passwd_hex, strlen(tests[i].passwd_hex), NULL,
                           NULL, NULL);
            sodium_hex2bin(salt, sizeof salt, tests[i].salt_hex,
                           strlen(tests[i].salt_hex), NULL, NULL, NULL);
            if (crypto_pwhash(out, (unsigned long long) tests[i].outlen, passwd,
                              tests[i].passwd_len, (const unsigned char *) salt,
                              tests[i].opslimit, tests[i].memlimit,
                              crypto_pwhash_alg_default()) != 0) {
                printf("[tv] pwhash failure (maybe intentional): [%u]\n",
                       (unsigned int) i);
                continue;
           }
           sodium_bin2hex(out_hex, sizeof out_hex, out, tests[i].outlen);
           printf("%s\n", out_hex);
       } while (++i < (sizeof tests) / (sizeof tests[0]));
   }
   
   static void
   tv2(void)
   {
       static struct {
           const char *       passwd_hex;
           size_t             passwd_len;
           const char *       salt_hex;
           size_t             outlen;
           unsigned long long opslimit;
           size_t             memlimit;
           unsigned int       lanes;
       } tests[] = {
           { "a347ae92bce9f80f6f595a4480fc9c2fe7e7d7148d371e9487d75f5c23008ffae0"
             "65577a928febd9b1973a5a95073acdbeb6a030cfc0d79caa2dc5cd011cef02c08d"
             "a232d76d52dfbca38ca8dcbd665b17d1665f7cf5fe59772ec909733b24de97d6f5"
             "8d220b20c60d7c07ec1fd93c52c31020300c6c1facd77937a597c7a6",
             127,
             "5541fbc995d5c197ba290346d2c559dedf405cf97e5f95482143202f9e74f5c2",
             155, 4, 397645, 1 },
           { "a347ae92bce9f80f6f595a4480fc9c2fe7e7d7148d371e9487d75f5c23008ffae0"
             "65577a928febd9b1973a5a95073acdbeb6a030cfc0d79caa2dc5cd011cef02c08d"
             "a232d76d52dfbca38ca8dcbd665b17d1665f7cf5fe59772ec909733b24de97d6f5"
             "8d220b20c60d7c07ec1fd93c52c31020300c6c1facd77937a597c7a6",
             127,
             "5541fbc995d5c197ba290346d2c559dedf405cf97e5f95482143202f9e74f5c2",
             155, 3, 397645, 1 },
       };
       char          passwd[256];
       unsigned char salt[crypto_pwhash_SALTBYTES];
       unsigned char out[256];
       char          out_hex[256 * 2 + 1];
       size_t        i = 0U;
   
       do {
           sodium_hex2bin((unsigned char *) passwd, sizeof passwd,
                          tests[i].passwd_hex, strlen(tests[i].passwd_hex), NULL,
                          NULL, NULL);
           sodium_hex2bin(salt, sizeof salt, tests[i].salt_hex,
                          strlen(tests[i].salt_hex), NULL, NULL, NULL);
           if (crypto_pwhash(out, (unsigned long long) tests[i].outlen, passwd,
                             tests[i].passwd_len, (const unsigned char *) salt,
                             tests[i].opslimit, tests[i].memlimit,
                             crypto_pwhash_alg_default()) != 0) {
               printf("[tv2] pwhash failure: [%u]\n", (unsigned int) i);
               continue;
           }
           sodium_bin2hex(out_hex, sizeof out_hex, out, tests[i].outlen);
           printf("%s\n", out_hex);
       } while (++i < (sizeof tests) / (sizeof tests[0]));
   
       if (crypto_pwhash_argon2id(out, sizeof out, "password", strlen("password"), salt, 3,
                                  1ULL << 12, 0) != -1) {
           printf("[tv2] pwhash should have failed (0)\n");
       }
       if (crypto_pwhash_argon2id(out, sizeof out, "password", strlen("password"), salt, 3,
                                  1, crypto_pwhash_argon2id_alg_argon2id13()) != -1) {
           printf("[tv2] pwhash should have failed (1)\n");
       }
       if (crypto_pwhash_argon2id(out, sizeof out, "password", strlen("password"), salt, 3,
                                  1ULL << 12, crypto_pwhash_argon2id_alg_argon2id13()) != -1) {
           printf("[tv2] pwhash should have failed (2)\n");
       }
       if (crypto_pwhash_argon2id(out, sizeof out, "password", strlen("password"), salt, 2,
                                  1ULL << 12, crypto_pwhash_argon2id_alg_argon2id13()) != -1) {
           printf("[tv2] pwhash should have failed (3)\n");
       }
       if (crypto_pwhash_argon2id(out, 15, "password", strlen("password"), salt, 3,
                                  1ULL << 12, crypto_pwhash_argon2id_alg_argon2id13()) != -1) {
           printf("[tv2] pwhash with a short output length should have failed\n");
       }
       if (crypto_pwhash_argon2id(out, sizeof out, "password", 0x100000000ULL, salt, 3,
                                  1ULL << 12, crypto_pwhash_argon2id_alg_argon2id13()) != -1) {
           printf("[tv2] pwhash with a long password length should have failed\n");
       }
       assert(crypto_pwhash_argon2id(out, sizeof out, "password", strlen("password"), salt,
                                     OPSLIMIT, MEMLIMIT, crypto_pwhash_alg_argon2i13()) == -1);
   }
   
   static void
   tv3(void)
   {
       static struct {
           const char *passwd;
           const char *out;
       } tests[] = {
           { "",
             "$argon2id$v=19$m=4096,t=0,p=1$X1NhbHQAAAAAAAAAAAAAAA$bWh++MKN1OiFHKgIWTLvIi1iHicmHH7+Fv3K88ifFfI" },
           { "",
             "$argon2id$v=19$m=2048,t=4,p=1$SWkxaUhpY21ISDcrRnYzSw$Mbg/Eck1kpZir5T9io7C64cpffdTBaORgyriLQFgQj8" },
           { "",
             "$argon2id$v=19$m=4882,t=2,p=1$bA81arsiXysd3WbTRzmEOw$Nm8QBM+7RH1DXo9rvp5cwKEOOOfD2g6JuxlXihoNcpE" },
           { "^T5H$JYt39n%K*j:W]!1s?vg!:jGi]Ax?..l7[p0v:1jHTpla9;]bUN;?bWyCbtqg ",
             "$argon2id$v=19$m=4096,t=0,p=1$PkEgMTYtYnl0ZXMgc2FsdA$ltB/ue1kPtBMBGfsysMpPigE6hiNEKZ9vs8vLNVDQGA" },
           { "^T5H$JYt39n%K*j:W]!1s?vg!:jGi]Ax?..l7[p0v:1jHTpla9;]bUN;?bWyCbtqg ",
             "$argon2id$v=19$m=4096,t=19,p=1$PkEgMTYtYnl0ZXMgc2FsdA$ltB/ue1kPtBMBGfsysMpPigE6hiNEKZ9vs8vLNVDQGA" },
           { "K3S=KyH#)36_?]LxeR8QNKw6X=gFbxai$C%29V*",
             "$argon2id$v=19$m=4096,t=1,p=3$PkEgcHJldHR5IGxvbmcgc2FsdA$HUqx5Z1b/ZypnUrvvJ5UC2Q+T6Q1WwASK/Kr9dRbGA0" }
       };
       char   *out;
       char   *passwd;
       size_t  i = 0U;
       int     ret;
   
       do {
           out = (char *) sodium_malloc(strlen(tests[i].out) + 1U);
           assert(out != NULL);
           memcpy(out, tests[i].out, strlen(tests[i].out) + 1U);
           passwd = (char *) sodium_malloc(strlen(tests[i].passwd) + 1U);
           assert(passwd != NULL);
           memcpy(passwd, tests[i].passwd, strlen(tests[i].passwd) + 1U);
           ret = crypto_pwhash_str_verify(out, passwd, strlen(passwd));
           sodium_free(out);
           sodium_free(passwd);
           if (ret != 0) {
               printf("[tv3] pwhash_argon2id_str failure (maybe intentional): [%u]\n",
                      (unsigned int) i);
           }
       } while (++i < (sizeof tests) / (sizeof tests[0]));
   }
   
   static void
   str_tests(void)
   {
       char       *str_out;
       char       *str_out2;
       char       *salt;
       const char *passwd = "Correct Horse Battery Staple";
   
       salt     = (char *) sodium_malloc(crypto_pwhash_argon2id_SALTBYTES);
       str_out  = (char *) sodium_malloc(crypto_pwhash_argon2id_STRBYTES);
       str_out2 = (char *) sodium_malloc(crypto_pwhash_argon2id_STRBYTES);
       memcpy(salt, ">A 16-bytes salt", crypto_pwhash_argon2id_SALTBYTES);
       if (crypto_pwhash_str(str_out, passwd, strlen(passwd), OPSLIMIT,
                             MEMLIMIT) != 0) {
           printf("pwhash_str failure\n");
       }
       if (crypto_pwhash_str(str_out2, passwd, strlen(passwd), OPSLIMIT,
                             MEMLIMIT) != 0) {
           printf("pwhash_str(2) failure\n");
       }
       if (strcmp(str_out, str_out2) == 0) {
           printf("pwhash_str() doesn't generate different salts\n");
       }
       if (crypto_pwhash_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT) != 0 ||
           crypto_pwhash_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT) != 0) {
           printf("needs_rehash() false positive\n");
       }
       if (crypto_pwhash_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT / 2) != 1 ||
           crypto_pwhash_str_needs_rehash(str_out, OPSLIMIT - 1, MEMLIMIT) != 1 ||
           crypto_pwhash_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT * 2) != 1 ||
           crypto_pwhash_str_needs_rehash(str_out, OPSLIMIT + 1, MEMLIMIT) != 1) {
           printf("needs_rehash() false negative (0)\n");
       }
       if (crypto_pwhash_argon2id_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT / 2) != 1 ||
           crypto_pwhash_argon2id_str_needs_rehash(str_out, OPSLIMIT - 1, MEMLIMIT) != 1 ||
           crypto_pwhash_argon2id_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT * 2) != 1 ||
           crypto_pwhash_argon2id_str_needs_rehash(str_out, OPSLIMIT + 1, MEMLIMIT) != 1) {
           printf("needs_rehash() false negative (1)\n");
       }
       if (crypto_pwhash_argon2i_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT / 2) != -1 ||
           crypto_pwhash_argon2i_str_needs_rehash(str_out, OPSLIMIT - 1, MEMLIMIT) != -1 ||
           crypto_pwhash_argon2i_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT * 2) != -1 ||
           crypto_pwhash_argon2i_str_needs_rehash(str_out, OPSLIMIT + 1, MEMLIMIT) != -1) {
           printf("needs_rehash() false negative (2)\n");
       }
       if (crypto_pwhash_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT / 2) != 1) {
           printf("pwhash_str_needs_rehash() didn't handle argon2id\n");
       }
       if (crypto_pwhash_str_needs_rehash(str_out + 1, OPSLIMIT, MEMLIMIT) != -1 ||
           crypto_pwhash_argon2id_str_needs_rehash(str_out + 1, OPSLIMIT, MEMLIMIT) != -1) {
           printf("needs_rehash() didn't fail with an invalid hash string\n");
       }
       if (sodium_is_zero((const unsigned char *) str_out + strlen(str_out),
                          crypto_pwhash_STRBYTES - strlen(str_out)) != 1 ||
           sodium_is_zero((const unsigned char *) str_out2 + strlen(str_out2),
                          crypto_pwhash_STRBYTES - strlen(str_out2)) != 1) {
           printf("pwhash_argon2id_str() doesn't properly pad with zeros\n");
       }
       if (crypto_pwhash_argon2id_str_verify(str_out, passwd, strlen(passwd)) != 0) {
           printf("pwhash_argon2id_str_verify(1) failure\n");
       }
       if (crypto_pwhash_str_verify(str_out, passwd, strlen(passwd)) != 0) {
           printf("pwhash_str_verify(1') failure\n");
       }
       str_out[14]++;
       if (crypto_pwhash_str_verify(str_out, passwd, strlen(passwd)) != -1) {
           printf("pwhash_argon2id_str_verify(2) failure\n");
       }
       str_out[14]--;
       assert(str_out[crypto_pwhash_argon2id_STRBYTES - 1U] == 0);
   
       if (crypto_pwhash_str(str_out2, passwd, 0x100000000ULL, OPSLIMIT,
                             MEMLIMIT) != -1) {
           printf("pwhash_str() with a large password should have failed\n");
       }
       if (crypto_pwhash_str(str_out2, passwd, strlen(passwd), 1, MEMLIMIT) != 0) {
           printf("pwhash_str() with a small opslimit should not have failed\n");
       }
       if (crypto_pwhash_str(str_out2, passwd, strlen(passwd), 0, MEMLIMIT) != -1) {
           printf("pwhash_argon2id_str() with a null opslimit should have failed\n");
       }
       if (crypto_pwhash_str_verify("$argon2id$m=65536,t=2,p=1c29tZXNhbHQ"
                                    "$9sTbSlTio3Biev89thdrlKKiCaYsjjYVJxGAL3swxpQ",
                                    "password", 0x100000000ULL) != -1) {
           printf("pwhash_str_verify(invalid(0)) failure\n");
       }
       if (crypto_pwhash_str_verify("$argon2id$m=65536,t=2,p=1c29tZXNhbHQ"
                                    "$9sTbSlTio3Biev89thdrlKKiCaYsjjYVJxGAL3swxpQ",
                                    "password", strlen("password")) != -1) {
           printf("pwhash_str_verify(invalid(1)) failure %d\n", errno);
       }
       if (crypto_pwhash_str_verify("$argon2id$m=65536,t=2,p=1$c29tZXNhbHQ"
                                    "9sTbSlTio3Biev89thdrlKKiCaYsjjYVJxGAL3swxpQ",
                                    "password", strlen("password")) != -1) {
           printf("pwhash_str_verify(invalid(2)) failure\n");
       }
       if (crypto_pwhash_str_verify("$argon2id$m=65536,t=2,p=1$c29tZXNhbHQ"
                                    "$b2G3seW+uPzerwQQC+/E1K50CLLO7YXy0JRcaTuswRo",
                                    "password", strlen("password")) != -1) {
           printf("pwhash_str_verify(invalid(3)) failure\n");
       }
       if (crypto_pwhash_str_verify("$argon2id$v=19$m=65536,t=2,p=1c29tZXNhbHQ"
                                    "$wWKIMhR9lyDFvRz9YTZweHKfbftvj+qf+YFY4NeBbtA",
                                    "password", strlen("password")) != -1) {
           printf("pwhash_str_verify(invalid(4)) failure\n");
       }
       if (crypto_pwhash_str_verify("$argon2id$v=19$m=65536,t=2,p=1$c29tZXNhbHQ"
                                    "wWKIMhR9lyDFvRz9YTZweHKfbftvj+qf+YFY4NeBbtA",
                                    "password", strlen("password")) != -1) {
           printf("pwhash_str_verify(invalid(5)) failure\n");
       }
       if (crypto_pwhash_str_verify("$argon2id$v=19$m=65536,t=2,p=1$c29tZXNhbHQ"
                                    "$8iIuixkI73Js3G1uMbezQXD0b8LG4SXGsOwoQkdAQIM",
                                    "password", strlen("password")) != -1) {
           printf("pwhash_str_verify(invalid(6)) failure\n");
       }
       if (crypto_pwhash_str_verify("$argon2id$v=19$m=256,t=3,p=1$MDEyMzQ1Njc"
                                    "$G5ajKFCoUzaXRLdz7UJb5wGkb2Xt+X5/GQjUYtS2+TE",
                                    "password", strlen("password")) != 0) {
           printf("pwhash_str_verify(valid(7)) failure\n");
       }
       if (crypto_pwhash_str_verify("$argon2id$v=19$m=256,t=3,p=1$MDEyMzQ1Njc"
                                    "$G5ajKFCoUzaXRLdz7UJb5wGkb2Xt+X5/GQjUYtS2+TE",
                                    "passwore", strlen("passwore")) != -1 || errno != EINVAL) {
           printf("pwhash_str_verify(invalid(7)) failure\n");
       }
       if (crypto_pwhash_str_verify("$Argon2id$v=19$m=256,t=3,p=1$MDEyMzQ1Njc"
                                    "$G5ajKFCoUzaXRLdz7UJb5wGkb2Xt+X5/GQjUYtS2+TE",
                                    "password", strlen("password")) != -1 || errno != EINVAL) {
           printf("pwhash_str_verify(invalid(8)) failure\n");
       }
       if (crypto_pwhash_str_verify("$argon2id$v=19$m=256,t=3,p=2$MDEyMzQ1Njc"
                                    "$G5ajKFCoUzaXRLdz7UJb5wGkb2Xt+X5/GQjUYtS2+TE",
                                    "password", strlen("password")) != -1 || errno != EINVAL) {
           printf("pwhash_str_verify(invalid(9)) failure\n");
       }
       assert(crypto_pwhash_str_alg(str_out, "test", 4, OPSLIMIT, MEMLIMIT,
                                    crypto_pwhash_ALG_ARGON2ID13) == 0);
       assert(crypto_pwhash_argon2id_str_verify(str_out, "test", 4) == 0);
       assert(crypto_pwhash_argon2id_str_needs_rehash(str_out,
                                                      OPSLIMIT, MEMLIMIT) == 0);
       assert(crypto_pwhash_argon2id_str_needs_rehash(str_out,
                                                      OPSLIMIT / 2, MEMLIMIT) == 1);
       assert(crypto_pwhash_argon2id_str_needs_rehash(str_out,
                                                      OPSLIMIT, MEMLIMIT / 2) == 1);
       assert(crypto_pwhash_argon2id_str_needs_rehash(str_out, 0, 0) == 1);
       assert(crypto_pwhash_argon2i_str_needs_rehash(str_out, 0, 0) == -1);
       assert(crypto_pwhash_argon2id_str_needs_rehash(str_out + 1,
                                                      OPSLIMIT, MEMLIMIT) == -1);
       assert(crypto_pwhash_argon2i_str_needs_rehash(str_out, 0, 0) == -1);
       assert(crypto_pwhash_argon2i_str_needs_rehash("", OPSLIMIT, MEMLIMIT) == -1);
       assert(crypto_pwhash_str_alg(str_out, "test", 4, OPSLIMIT, MEMLIMIT,
                                    crypto_pwhash_ALG_ARGON2I13) == 0);
       assert(crypto_pwhash_argon2i_str_verify(str_out, "test", 4) == 0);
       assert(crypto_pwhash_argon2i_str_needs_rehash(str_out,
                                                     OPSLIMIT, MEMLIMIT) == 0);
       assert(crypto_pwhash_argon2i_str_needs_rehash(str_out,
                                                     OPSLIMIT / 2, MEMLIMIT) == 1);
       assert(crypto_pwhash_argon2i_str_needs_rehash(str_out,
                                                     OPSLIMIT, MEMLIMIT / 2) == 1);
       assert(crypto_pwhash_argon2i_str_needs_rehash(str_out, 0, 0) == 1);
       assert(crypto_pwhash_argon2id_str_needs_rehash(str_out, 0, 0) == -1);
       assert(crypto_pwhash_argon2i_str_needs_rehash("", OPSLIMIT, MEMLIMIT) == -1);
       assert(crypto_pwhash_argon2i_str_needs_rehash(str_out + 1,
                                                     OPSLIMIT, MEMLIMIT) == -1);
       sodium_free(salt);
       sodium_free(str_out);
       sodium_free(str_out2);
   }
   
   int
   main(void)
   {
       tv();
       tv2();
       tv3();
       str_tests();
   
       assert(crypto_pwhash_bytes_min() > 0U);
       assert(crypto_pwhash_bytes_max() > crypto_pwhash_bytes_min());
       assert(crypto_pwhash_passwd_max() > crypto_pwhash_passwd_min());
       assert(crypto_pwhash_saltbytes() > 0U);
       assert(crypto_pwhash_strbytes() > 1U);
       assert(crypto_pwhash_strbytes() > strlen(crypto_pwhash_strprefix()));
   
       assert(crypto_pwhash_opslimit_min() > 0U);
       assert(crypto_pwhash_opslimit_max() > 0U);
       assert(crypto_pwhash_memlimit_min() > 0U);
       assert(crypto_pwhash_memlimit_max() > 0U);
       assert(crypto_pwhash_opslimit_interactive() > 0U);
       assert(crypto_pwhash_memlimit_interactive() > 0U);
       assert(crypto_pwhash_opslimit_moderate() > 0U);
       assert(crypto_pwhash_memlimit_moderate() > 0U);
       assert(crypto_pwhash_opslimit_sensitive() > 0U);
       assert(crypto_pwhash_memlimit_sensitive() > 0U);
       assert(strcmp(crypto_pwhash_primitive(), "argon2i") == 0);
   
       assert(crypto_pwhash_bytes_min() == crypto_pwhash_BYTES_MIN);
       assert(crypto_pwhash_bytes_max() == crypto_pwhash_BYTES_MAX);
       assert(crypto_pwhash_passwd_min() == crypto_pwhash_PASSWD_MIN);
       assert(crypto_pwhash_passwd_max() == crypto_pwhash_PASSWD_MAX);
       assert(crypto_pwhash_saltbytes() == crypto_pwhash_SALTBYTES);
       assert(crypto_pwhash_strbytes() == crypto_pwhash_STRBYTES);
   
       assert(crypto_pwhash_opslimit_min() == crypto_pwhash_OPSLIMIT_MIN);
       assert(crypto_pwhash_opslimit_max() == crypto_pwhash_OPSLIMIT_MAX);
       assert(crypto_pwhash_memlimit_min() == crypto_pwhash_MEMLIMIT_MIN);
       assert(crypto_pwhash_memlimit_max() == crypto_pwhash_MEMLIMIT_MAX);
       assert(crypto_pwhash_opslimit_interactive() ==
              crypto_pwhash_OPSLIMIT_INTERACTIVE);
       assert(crypto_pwhash_memlimit_interactive() ==
              crypto_pwhash_MEMLIMIT_INTERACTIVE);
       assert(crypto_pwhash_opslimit_moderate() ==
              crypto_pwhash_OPSLIMIT_MODERATE);
       assert(crypto_pwhash_memlimit_moderate() ==
              crypto_pwhash_MEMLIMIT_MODERATE);
       assert(crypto_pwhash_opslimit_sensitive() ==
              crypto_pwhash_OPSLIMIT_SENSITIVE);
       assert(crypto_pwhash_memlimit_sensitive() ==
              crypto_pwhash_MEMLIMIT_SENSITIVE);
   
       assert(crypto_pwhash_argon2id_bytes_min() == crypto_pwhash_bytes_min());
       assert(crypto_pwhash_argon2id_bytes_max() == crypto_pwhash_bytes_max());
       assert(crypto_pwhash_argon2id_passwd_min() == crypto_pwhash_passwd_min());
       assert(crypto_pwhash_argon2id_passwd_max() == crypto_pwhash_passwd_max());
       assert(crypto_pwhash_argon2id_saltbytes() == crypto_pwhash_saltbytes());
       assert(crypto_pwhash_argon2id_strbytes() == crypto_pwhash_strbytes());
       assert(strcmp(crypto_pwhash_argon2id_strprefix(),
                     crypto_pwhash_strprefix()) == 0);
       assert(crypto_pwhash_argon2id_opslimit_min() ==
              crypto_pwhash_opslimit_min());
       assert(crypto_pwhash_argon2id_opslimit_max() ==
              crypto_pwhash_opslimit_max());
       assert(crypto_pwhash_argon2id_memlimit_min() ==
              crypto_pwhash_memlimit_min());
       assert(crypto_pwhash_argon2id_memlimit_max() ==
              crypto_pwhash_memlimit_max());
       assert(crypto_pwhash_argon2id_opslimit_interactive() ==
              crypto_pwhash_opslimit_interactive());
       assert(crypto_pwhash_argon2id_opslimit_moderate() ==
              crypto_pwhash_opslimit_moderate());
       assert(crypto_pwhash_argon2id_opslimit_sensitive() ==
              crypto_pwhash_opslimit_sensitive());
       assert(crypto_pwhash_argon2id_memlimit_interactive() ==
              crypto_pwhash_memlimit_interactive());
       assert(crypto_pwhash_argon2id_memlimit_moderate() ==
              crypto_pwhash_memlimit_moderate());
       assert(crypto_pwhash_argon2id_memlimit_sensitive() ==
              crypto_pwhash_memlimit_sensitive());
       assert(crypto_pwhash_alg_argon2id13() ==
              crypto_pwhash_argon2id_alg_argon2id13());
       assert(crypto_pwhash_alg_argon2i13() == crypto_pwhash_ALG_ARGON2I13);
       assert(crypto_pwhash_alg_argon2i13() != crypto_pwhash_alg_default());
       assert(crypto_pwhash_alg_argon2id13() == crypto_pwhash_ALG_ARGON2ID13);
       assert(crypto_pwhash_alg_argon2id13() != crypto_pwhash_alg_argon2i13());
       assert(crypto_pwhash_alg_argon2id13() == crypto_pwhash_alg_default());
   
       assert(crypto_pwhash_argon2id(NULL, 0, NULL, 0, NULL,
                                     crypto_pwhash_argon2id_OPSLIMIT_INTERACTIVE,
                                     crypto_pwhash_argon2id_MEMLIMIT_INTERACTIVE,
                                     0) == -1);
       assert(crypto_pwhash_argon2id(NULL, 0, NULL, 0, NULL,
                                    crypto_pwhash_argon2id_OPSLIMIT_INTERACTIVE,
                                    crypto_pwhash_argon2id_MEMLIMIT_INTERACTIVE,
                                    crypto_pwhash_ALG_ARGON2I13) == -1);
       assert(crypto_pwhash_argon2i(NULL, 0, NULL, 0, NULL,
                                    crypto_pwhash_argon2id_OPSLIMIT_INTERACTIVE,
                                    crypto_pwhash_argon2id_MEMLIMIT_INTERACTIVE,
                                    0) == -1);
       assert(crypto_pwhash_argon2i(NULL, 0, NULL, 0, NULL,
                                    crypto_pwhash_argon2id_OPSLIMIT_INTERACTIVE,
                                    crypto_pwhash_argon2id_MEMLIMIT_INTERACTIVE,
                                    crypto_pwhash_ALG_ARGON2ID13) == -1);
   
       printf("OK\n");
   
       return 0;
   }

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