int
crypto_pwhash_str_verify(const char str[crypto_pwhash_STRBYTES],
const char * const passwd,
unsigned long long passwdlen)
{
if (strncmp(str, crypto_pwhash_argon2id_STRPREFIX,
sizeof crypto_pwhash_argon2id_STRPREFIX - 1) == 0) {
return crypto_pwhash_argon2id_str_verify(str, passwd, passwdlen);
}
if (strncmp(str, crypto_pwhash_argon2i_STRPREFIX,
sizeof crypto_pwhash_argon2i_STRPREFIX - 1) == 0) {
return crypto_pwhash_argon2i_str_verify(str, passwd, passwdlen);
}
errno = EINVAL;
return -1;
}
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_SALTBYTES);
str_out = (char *) sodium_malloc(crypto_pwhash_STRBYTES);
str_out2 = (char *) sodium_malloc(crypto_pwhash_STRBYTES);
memcpy(salt, ">A 16-bytes salt", crypto_pwhash_SALTBYTES);
if (crypto_pwhash_argon2i_str(str_out, passwd, strlen(passwd), OPSLIMIT,
MEMLIMIT) != 0) {
printf("pwhash_argon2i_str failure\n");
}
if (crypto_pwhash_argon2i_str(str_out2, passwd, strlen(passwd), OPSLIMIT,
MEMLIMIT) != 0) {
printf("pwhash_argon2i_str(2) failure\n");
}
if (strcmp(str_out, str_out2) == 0) {
printf("pwhash_argon2i_str() doesn't generate different salts\n");
}
if (crypto_pwhash_argon2i_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT) != 0) {
printf("needs_rehash() false positive\n");
}
if (crypto_pwhash_argon2i_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT / 2) != 1 ||
crypto_pwhash_argon2i_str_needs_rehash(str_out, OPSLIMIT / 2, MEMLIMIT) != 1 ||
crypto_pwhash_argon2i_str_needs_rehash(str_out, OPSLIMIT, MEMLIMIT * 2) != 1 ||
crypto_pwhash_argon2i_str_needs_rehash(str_out, OPSLIMIT * 2, MEMLIMIT) != 1) {
printf("needs_rehash() false negative\n");
}
if (crypto_pwhash_argon2i_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_str() doesn't properly pad with zeros\n");
}
if (crypto_pwhash_argon2i_str_verify(str_out, passwd, strlen(passwd)) != 0) {
printf("pwhash_str_verify(1) failure\n");
}
str_out[14]++;
if (crypto_pwhash_argon2i_str_verify(str_out, passwd, strlen(passwd)) != -1) {
printf("pwhash_str_verify(2) failure\n");
}
str_out[14]--;
assert(str_out[crypto_pwhash_STRBYTES - 1U] == 0);
if (crypto_pwhash_argon2i_str(str_out2, passwd, 0x100000000ULL, OPSLIMIT,
MEMLIMIT) != -1) {
printf("pwhash_str() with a large password should have failed\n");
}
if (crypto_pwhash_argon2i_str(str_out2, passwd, strlen(passwd), 1, MEMLIMIT) !=
-1) {
printf("pwhash_str() with a small opslimit should have failed\n");
}
if (crypto_pwhash_argon2i_str_verify("$argon2i$m=65536,t=2,p=1c29tZXNhbHQ"
"$9sTbSlTio3Biev89thdrlKKiCaYsjjYVJxGAL3swxpQ",
"password", 0x100000000ULL) != -1) {
printf("pwhash_str_verify(invalid(0)) failure\n");
}
if (crypto_pwhash_argon2i_str_verify("$argon2i$m=65536,t=2,p=1c29tZXNhbHQ"
"$9sTbSlTio3Biev89thdrlKKiCaYsjjYVJxGAL3swxpQ",
"password", strlen("password")) != -1) {
printf("pwhash_str_verify(invalid(1)) failure %d\n", errno);
}
if (crypto_pwhash_argon2i_str_verify("$argon2i$m=65536,t=2,p=1$c29tZXNhbHQ"
"9sTbSlTio3Biev89thdrlKKiCaYsjjYVJxGAL3swxpQ",
"password", strlen("password")) != -1) {
printf("pwhash_str_verify(invalid(2)) failure\n");
}
if (crypto_pwhash_str_verify("$argon2i$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("$argon2i$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("$argon2i$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("$argon2i$v=19$m=65536,t=2,p=1$c29tZXNhbHQ"
"$8iIuixkI73Js3G1uMbezQXD0b8LG4SXGsOwoQkdAQIM",
"password", strlen("password")) != -1) {
printf("pwhash_str_verify(invalid(6)) failure\n");
}
if (crypto_pwhash_str_verify(
"$argon2i$v=19$m=4096,t=3,p=2$b2RpZHVlamRpc29kaXNrdw"
"$TNnWIwlu1061JHrnCqIAmjs3huSxYIU+0jWipu7Kc9M",
"password", strlen("password")) != 0) {
printf("pwhash_str_verify(valid(7)) failure\n");
}
if (crypto_pwhash_str_verify(
"$argon2i$v=19$m=4096,t=3,p=2$b2RpZHVlamRpc29kaXNrdw"
"$TNnWIwlu1061JHrnCqIAmjs3huSxYIU+0jWipu7Kc9M",
"passwore", strlen("passwore")) != -1 || errno != EINVAL) {
printf("pwhash_str_verify(invalid(7)) failure\n");
}
if (crypto_pwhash_str_verify(
"$Argon2i$v=19$m=4096,t=3,p=2$b2RpZHVlamRpc29kaXNrdw"
"$TNnWIwlu1061JHrnCqIAmjs3huSxYIU+0jWipu7Kc9M",
"password", strlen("password")) != -1 || errno != EINVAL) {
printf("pwhash_str_verify(invalid(8)) failure\n");
}
if (crypto_pwhash_str_verify(
"$argon2i$v=1$m=4096,t=3,p=2$b2RpZHVlamRpc29kaXNrdw"
"$TNnWIwlu1061JHrnCqIAmjs3huSxYIU+0jWipu7Kc9M",
"password", strlen("password")) != -1 || errno != EINVAL) {
printf("pwhash_str_verify(invalid(9)) failure\n");
}
if (crypto_pwhash_str_verify(
"$argon2i$v=1$m=4096,t=3,p=2$b2RpZHVla~=mRpc29kaXNrdw"
"$TNnWIwlu1061JHrnCqIAmjs3huSxYIU+0jWipu7Kc9M",
"password", strlen("password")) != -1 || errno != EINVAL) {
printf("pwhash_str_verify(invalid(10)) failure\n");
}
if (crypto_pwhash_str_verify(
"$argon2i$v=1$m=4096,t=3,p=2$b2RpZHVlamRpc29kaXNrdw"
"$TNnWIwlu1061JHrnCqIAmjs3huSxYI~=U+0jWipu7Kc9M",
"password", strlen("password")) != -1 || errno != EINVAL) {
printf("pwhash_str_verify(invalid(11)) failure\n");
}
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(str_out + 1,
OPSLIMIT, MEMLIMIT) == -1);
assert(crypto_pwhash_argon2id_str_needs_rehash(str_out, 0, 0) == -1);
assert(crypto_pwhash_argon2id_str_needs_rehash("", OPSLIMIT, MEMLIMIT) == -1);
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("", OPSLIMIT, MEMLIMIT) == -1);
assert(crypto_pwhash_argon2id_str_needs_rehash(str_out + 1,
OPSLIMIT, MEMLIMIT) == -1);
sodium_free(salt);
sodium_free(str_out);
sodium_free(str_out2);
}
