static void generate_testvectors(const char *type) {
#define TEST_OUTLEN 32
#define TEST_PWDLEN 32
#define TEST_SALTLEN 16
#define TEST_SECRETLEN 8
#define TEST_ADLEN 12
argon2_context context;
unsigned char out[TEST_OUTLEN];
unsigned char pwd[TEST_PWDLEN];
unsigned char salt[TEST_SALTLEN];
unsigned char secret[TEST_SECRETLEN];
unsigned char ad[TEST_ADLEN];
const allocate_fptr myown_allocator = NULL;
const deallocate_fptr myown_deallocator = NULL;
unsigned t_cost = 3;
unsigned m_cost = 32;
unsigned lanes = 4;
memset(pwd, 1, TEST_OUTLEN);
memset(salt, 2, TEST_SALTLEN);
memset(secret, 3, TEST_SECRETLEN);
memset(ad, 4, TEST_ADLEN);
context.out = out;
context.outlen = TEST_OUTLEN;
context.pwd = pwd;
context.pwdlen = TEST_PWDLEN;
context.salt = salt;
context.saltlen = TEST_SALTLEN;
context.secret = secret;
context.secretlen = TEST_SECRETLEN;
context.ad = ad;
context.adlen = TEST_ADLEN;
context.t_cost = t_cost;
context.m_cost = m_cost;
context.lanes = lanes;
context.threads = lanes;
context.allocate_cbk = myown_allocator;
context.free_cbk = myown_deallocator;
context.flags = 0;
#undef TEST_OUTLEN
#undef TEST_PWDLEN
#undef TEST_SALTLEN
#undef TEST_SECRETLEN
#undef TEST_ADLEN
if (!strcmp(type, "d")) {
argon2d_ctx(&context);
} else if (!strcmp(type, "i")) {
argon2i_ctx(&context);
} else
fatal("wrong Argon2 type");
}
u3_noun
u3qe_argon2( // configuration params,
u3_atom out, u3_atom type, u3_atom version,
u3_atom threads, u3_atom mem_cost, u3_atom time_cost,
u3_atom wik, u3_atom key, u3_atom wix, u3_atom extra,
// input params
u3_atom wid, u3_atom dat, u3_atom wis, u3_atom sat )
{
c3_assert( _(u3a_is_cat(out)) && _(u3a_is_cat(type)) &&
_(u3a_is_cat(version)) && _(u3a_is_cat(threads)) &&
_(u3a_is_cat(mem_cost)) && _(u3a_is_cat(time_cost)) &&
_(u3a_is_cat(wik)) && _(u3a_is_cat(wix)) &&
_(u3a_is_cat(wid)) && _(u3a_is_cat(wis)) );
// flip endianness for argon2
key = u3qc_rev(3, wik, key);
extra = u3qc_rev(3, wix, extra);
dat = u3qc_rev(3, wid, dat);
sat = u3qc_rev(3, wis, sat);
// atoms to byte arrays
c3_y bytes_key[wik];
u3r_bytes(0, wik, bytes_key, key);
c3_y bytes_extra[wix];
u3r_bytes(0, wix, bytes_extra, extra);
c3_y bytes_dat[wid];
u3r_bytes(0, wid, bytes_dat, dat);
c3_y bytes_sat[wis];
u3r_bytes(0, wis, bytes_sat, sat);
c3_y outhash[out];
argon2_context context = {
outhash, // output array, at least [digest length] in size
out, // digest length
bytes_dat, // password array
wid, // password length
bytes_sat, // salt array
wis, // salt length
bytes_key, wik, // optional secret data
bytes_extra, wix, // optional associated data
time_cost, mem_cost, threads, threads, // performance cost configuration
version, // algorithm version
argon2_alloc, // custom memory allocation function
argon2_free, // custom memory deallocation function
ARGON2_DEFAULT_FLAGS // by default only internal memory is cleared
};
int argon_res;
switch ( type ) {
default:
fprintf(stderr, "\nunjetted argon2 variant %i\n", type);
u3m_bail(c3__exit);
break;
//
case c3__d:
argon_res = argon2d_ctx(&context);
break;
//
case c3__i:
argon_res = argon2i_ctx(&context);
break;
//
case c3__id:
argon_res = argon2id_ctx(&context);
break;
//
case c3__u:
argon_res = argon2u_ctx(&context);
break;
}
if ( ARGON2_OK != argon_res ) {
fprintf(stderr, "\nargon2 error: %s\n", argon2_error_message(argon_res));
u3m_bail(c3__exit);
}
u3z(key); u3z(extra); u3z(dat); u3z(sat);
return u3kc_rev(3, out, u3i_bytes(out, outhash));
}