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/*
* cifra - embedded cryptography library
* Written in 2014 by Joseph Birr-Pixton <jpixton@gmail.com>
*
* To the extent possible under law, the author(s) have dedicated all
* copyright and related and neighboring rights to this software to the
* public domain worldwide. This software is distributed without any
* warranty.
*
* You should have received a copy of the CC0 Public Domain Dedication
* along with this software. If not, see
* <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#include "poly1305.h"
#include "testutil.h"
#include "handy.h"
#include "cutest.h"
static void check(const char *rstr, const char *sstr,
const char *msgstr, const char *tagstr)
{
uint8_t r[16], s[16], tag[16];
uint8_t msg[132], out[16];
unhex(r, sizeof r, rstr);
unhex(s, sizeof s, sstr);
size_t nmsg = unhex(msg, sizeof msg, msgstr);
unhex(tag, sizeof tag, tagstr);
cf_poly1305 ctx;
cf_poly1305_init(&ctx, r, s);
cf_poly1305_update(&ctx, msg, nmsg);
cf_poly1305_finish(&ctx, out);
TEST_CHECK(memcmp(out, tag, 16) == 0);
}
static void test_poly1305(void)
{
check("eea6a7251c1e72916d11c2cb214d3c25",
"2539121d8e234e652d651fa4c8cff880",
"8e993b9f48681273c29650ba32fc76ce48332ea7164d96a4476fb8c531a1186ac0dfc17c98dce87b4da7f011ec48c97271d2c20f9b928fe2270d6fb863d51738b48eeee314a7cc8ab932164548e526ae90224368517acfeabd6bb3732bc0e9da99832b61ca01b6de56244a9e88d5f9b37973f622a43d14a6599b1f654cb45a74e355a5",
"f3ffc7703f9400e52a7dfb4b3d3305d9");
check("851fc40c3467ac0be05cc20404f3f700",
"580b3b0f9447bb1e69d095b5928b6dbc",
"f3f6",
"f4c633c3044fc145f84f335cb81953de");
check("a0f3080000f46400d0c7e9076c834403",
"dd3fab2251f11ac759f0887129cc2ee7",
"",
"dd3fab2251f11ac759f0887129cc2ee7");
check("48443d0bb0d21109c89a100b5ce2c208",
"83149c69b561dd88298a1798b10716ef",
"663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136",
"0ee1c16bb73f0f4fd19881753c01cdbe");
check("12976a08c4426d0ce8a82407c4f48207",
"80f8c20aa71202d1e29179cbcb555a57",
"ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9",
"5154ad0d2cb26e01274fc51148491f1b");
/* extras from RFC7539 */
check("02000000000000000000000000000000",
"00000000000000000000000000000000",
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
"03000000000000000000000000000000");
check("02000000000000000000000000000000",
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
"02000000000000000000000000000000",
"03000000000000000000000000000000");
check("01000000000000000000000000000000",
"00000000000000000000000000000000",
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF11000000000000000000000000000000",
"05000000000000000000000000000000");
check("01000000000000000000000000000000",
"00000000000000000000000000000000",
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFEFEFEFEFEFEFEFEFEFEFEFEFEFEFE01010101010101010101010101010101",
"00000000000000000000000000000000");
check("02000000000000000000000000000000",
"00000000000000000000000000000000",
"FDFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
"FAFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
check("01000000000000000400000000000000",
"00000000000000000000000000000000",
"E33594D7505E43B900000000000000003394D7505E4379CD01000000000000000000000000000000000000000000000001000000000000000000000000000000",
"14000000000000005500000000000000");
check("01000000000000000400000000000000",
"00000000000000000000000000000000",
"E33594D7505E43B900000000000000003394D7505E4379CD010000000000000000000000000000000000000000000000",
"13000000000000000000000000000000");
}
TEST_LIST = {
{ "poly1305", test_poly1305 },
{ 0 }
};
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