fix ERR_add_error_vdata() for use with multiple args/calls
[openssl.git] / crypto / poly1305 / poly1305.c
index 2a766b3295529d2b35c13b6b87cff8af09165afa..b83a4fc1cacec7788318214e427c13dce386ccb4 100644 (file)
@@ -1,35 +1,20 @@
-/* ====================================================================
- * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
+/*
+ * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Rights for redistribution and usage in source and binary
- * forms are granted according to the OpenSSL license.
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
 #include <stdlib.h>
 #include <string.h>
+#include <openssl/crypto.h>
 
 #include "internal/poly1305.h"
+#include "poly1305_local.h"
 
-typedef void (*poly1305_blocks_f) (void *ctx, const unsigned char *inp,
-                                   size_t len, unsigned int padbit);
-typedef void (*poly1305_emit_f) (void *ctx, unsigned char mac[16],
-                                 const unsigned int nonce[4]);
-
-struct poly1305_context {
-    double opaque[24];  /* large enough to hold internal state, declared
-                         * 'double' to ensure at least 64-bit invariant
-                         * alignment across all platforms and
-                         * configurations */
-    unsigned int nonce[4];
-    unsigned char data[POLY1305_BLOCK_SIZE];
-    size_t num;
-    struct {
-        poly1305_blocks_f blocks;
-        poly1305_emit_f emit;
-    } func;
-};
-
-size_t Poly1305_ctx_size ()
+size_t Poly1305_ctx_size(void)
 {
     return sizeof(struct poly1305_context);
 }
@@ -94,7 +79,7 @@ typedef unsigned int u32;
  * POLY1305_BLOCK_SIZE and |padbit| to 0. In all other cases |padbit|
  * should be set to 1 to perform implicit padding with 128th bit.
  * poly1305_blocks does not actually check for this constraint though,
- * it's caller(*)'s resposibility to comply.
+ * it's caller(*)'s responsibility to comply.
  *
  * (*)  In the context "caller" is not application code, but higher
  *      level Poly1305_* from this very module, so that quirks are
@@ -110,12 +95,11 @@ poly1305_blocks(void *ctx, const unsigned char *inp, size_t len, u32 padbit);
          (a ^ ((a ^ b) | ((a - b) ^ b))) >> (sizeof(a) * 8 - 1) \
          )
 
-# if !defined(PEDANTIC) && \
-     (defined(__SIZEOF_INT128__) && __SIZEOF_INT128__==16) && \
+# if (defined(__SIZEOF_INT128__) && __SIZEOF_INT128__==16) && \
      (defined(__SIZEOF_LONG__) && __SIZEOF_LONG__==8)
 
 typedef unsigned long u64;
-typedef unsigned __int128 u128;
+typedef __uint128_t u128;
 
 typedef struct {
     u64 h[3];
@@ -185,9 +169,9 @@ poly1305_blocks(void *ctx, const unsigned char *inp, size_t len, u32 padbit)
         h0 = (u64)(d0 = (u128)h0 + U8TOU64(inp + 0));
         h1 = (u64)(d1 = (u128)h1 + (d0 >> 64) + U8TOU64(inp + 8));
         /*
-        * padbit can be zero only when original len was
-        * POLY1306_BLOCK_SIZE, but we don't check
-        */
+         * padbit can be zero only when original len was
+         * POLY1306_BLOCK_SIZE, but we don't check
+         */
         h2 += (u64)(d1 >> 64) + padbit;
 
         /* h *= r "%" p, where "%" stands for "partial remainder" */
@@ -195,7 +179,7 @@ poly1305_blocks(void *ctx, const unsigned char *inp, size_t len, u32 padbit)
              ((u128)h1 * s1);
         d1 = ((u128)h0 * r1) +
              ((u128)h1 * r0) +
-            (h2 * s1);
+             (h2 * s1);
         h2 = (h2 * r0);
 
         /* last reduction step: */
@@ -543,495 +527,5 @@ void Poly1305_Final(POLY1305 *ctx, unsigned char mac[16])
     poly1305_emit(ctx->opaque, mac, ctx->nonce);
 
     /* zero out the state */
-    memset(ctx, 0, sizeof(*ctx));
+    OPENSSL_cleanse(ctx, sizeof(*ctx));
 }
-
-#ifdef SELFTEST
-#include <stdio.h>
-
-struct poly1305_test {
-    const char *inputhex;
-    const char *keyhex;
-    const char *outhex;
-};
-
-static const struct poly1305_test poly1305_tests[] = {
-    /*
-     * RFC7539
-     */
-    {
-     "43727970746f6772617068696320466f72756d2052657365617263682047726f"
-     "7570",
-     "85d6be7857556d337f4452fe42d506a8""0103808afb0db2fd4abff6af4149f51b",
-     "a8061dc1305136c6c22b8baf0c0127a9"
-    },
-    /*
-     * test vectors from "The Poly1305-AES message-authentication code"
-     */
-    {
-     "f3f6",
-     "851fc40c3467ac0be05cc20404f3f700""580b3b0f9447bb1e69d095b5928b6dbc",
-     "f4c633c3044fc145f84f335cb81953de"
-    },
-    {
-     "",
-     "a0f3080000f46400d0c7e9076c834403""dd3fab2251f11ac759f0887129cc2ee7",
-     "dd3fab2251f11ac759f0887129cc2ee7"
-    },
-    {
-     "663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136",
-     "48443d0bb0d21109c89a100b5ce2c208""83149c69b561dd88298a1798b10716ef",
-     "0ee1c16bb73f0f4fd19881753c01cdbe"
-    },
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "5154ad0d2cb26e01274fc51148491f1b"
-    },
-    /*
-     * self-generated vectors exercise "significant" lengths, such that
-     * are handled by different code paths
-     */
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "812059a5da198637cac7c4a631bee466"
-    },
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "5b88d7f6228b11e2e28579a5c0c1f761"
-    },
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af"
-     "663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "bbb613b2b6d753ba07395b916aaece15"
-    },
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af"
-     "48443d0bb0d21109c89a100b5ce2c20883149c69b561dd88298a1798b10716ef"
-     "663cea190ffb83d89593f3f476b6bc24",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "c794d7057d1778c4bbee0a39b3d97342"
-    },
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af"
-     "48443d0bb0d21109c89a100b5ce2c20883149c69b561dd88298a1798b10716ef"
-     "663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "ffbcb9b371423152d7fca5ad042fbaa9"
-    },
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af"
-     "48443d0bb0d21109c89a100b5ce2c20883149c69b561dd88298a1798b10716ef"
-     "663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136"
-     "812059a5da198637cac7c4a631bee466",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "069ed6b8ef0f207b3e243bb1019fe632"
-    },
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af"
-     "48443d0bb0d21109c89a100b5ce2c20883149c69b561dd88298a1798b10716ef"
-     "663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136"
-     "812059a5da198637cac7c4a631bee4665b88d7f6228b11e2e28579a5c0c1f761",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "cca339d9a45fa2368c2c68b3a4179133"
-    },
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af"
-     "48443d0bb0d21109c89a100b5ce2c20883149c69b561dd88298a1798b10716ef"
-     "663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136"
-     "812059a5da198637cac7c4a631bee4665b88d7f6228b11e2e28579a5c0c1f761"
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af"
-     "48443d0bb0d21109c89a100b5ce2c20883149c69b561dd88298a1798b10716ef"
-     "663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "53f6e828a2f0fe0ee815bf0bd5841a34"
-    },
-    {
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af"
-     "48443d0bb0d21109c89a100b5ce2c20883149c69b561dd88298a1798b10716ef"
-     "663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136"
-     "812059a5da198637cac7c4a631bee4665b88d7f6228b11e2e28579a5c0c1f761"
-     "ab0812724a7f1e342742cbed374d94d136c6b8795d45b3819830f2c04491faf0"
-     "990c62e48b8018b2c3e4a0fa3134cb67fa83e158c994d961c4cb21095c1bf9af"
-     "48443d0bb0d21109c89a100b5ce2c20883149c69b561dd88298a1798b10716ef"
-     "663cea190ffb83d89593f3f476b6bc24d7e679107ea26adb8caf6652d0656136"
-     "812059a5da198637cac7c4a631bee4665b88d7f6228b11e2e28579a5c0c1f761",
-     "12976a08c4426d0ce8a82407c4f48207""80f8c20aa71202d1e29179cbcb555a57",
-     "b846d44e9bbd53cedffbfbb6b7fa4933"
-    },
-    /*
-     * 4th power of the key spills to 131th bit in SIMD key setup
-     */
-    {
-     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
-     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
-     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
-     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
-     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
-     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
-     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
-     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
-     "ad628107e8351d0f2c231a05dc4a4106""00000000000000000000000000000000",
-     "07145a4c02fe5fa32036de68fabe9066"
-    },
-    {
-    /*
-     * poly1305_ieee754.c failed this in final stage
-     */
-     "842364e156336c0998b933a6237726180d9e3fdcbde4cd5d17080fc3beb49614"
-     "d7122c037463ff104d73f19c12704628d417c4c54a3fe30d3c3d7714382d43b0"
-     "382a50a5dee54be844b076e8df88201a1cd43b90eb21643fa96f39b518aa8340"
-     "c942ff3c31baf7c9bdbf0f31ae3fa096bf8c63030609829fe72e179824890bc8"
-     "e08c315c1cce2a83144dbbff09f74e3efc770b54d0984a8f19b14719e6363564"
-     "1d6b1eedf63efbf080e1783d32445412114c20de0b837a0dfa33d6b82825fff4"
-     "4c9a70ea54ce47f07df698e6b03323b53079364a5fc3e9dd034392bdde86dccd"
-     "da94321c5e44060489336cb65bf3989c36f7282c2f5d2b882c171e74",
-     "95d5c005503e510d8cd0aa072c4a4d06""6eabc52d11653df47fbf63ab198bcc26",
-     "f248312e578d9d58f8b7bb4d19105431"
-    },
-    /*
-     * AVX2 in poly1305-x86.pl failed this with 176+32 split
-     */
-    {
-    "248ac31085b6c2adaaa38259a0d7192c5c35d1bb4ef39ad94c38d1c82479e2dd"
-    "2159a077024b0589bc8a20101b506f0a1ad0bbab76e83a83f1b94be6beae74e8"
-    "74cab692c5963a75436b776121ec9f62399a3e66b2d22707dae81933b6277f3c"
-    "8516bcbe26dbbd86f373103d7cf4cad1888c952118fbfbd0d7b4bedc4ae4936a"
-    "ff91157e7aa47c54442ea78d6ac251d324a0fbe49d89cc3521b66d16e9c66a37"
-    "09894e4eb0a4eedc4ae19468e66b81f2"
-    "71351b1d921ea551047abcc6b87a901fde7db79fa1818c11336dbc07244a40eb",
-    "000102030405060708090a0b0c0d0e0f""00000000000000000000000000000000",
-    "bc939bc5281480fa99c6d68c258ec42f"
-    },
-    /*
-     * test vectors from Google
-     */
-    {
-     "",
-     "c8afaac331ee372cd6082de134943b17""4710130e9f6fea8d72293850a667d86c",
-     "4710130e9f6fea8d72293850a667d86c",
-    },
-    {
-     "48656c6c6f20776f726c6421",
-     "746869732069732033322d6279746520""6b657920666f7220506f6c7931333035",
-     "a6f745008f81c916a20dcc74eef2b2f0"
-    },
-    {
-     "0000000000000000000000000000000000000000000000000000000000000000",
-     "746869732069732033322d6279746520""6b657920666f7220506f6c7931333035",
-     "49ec78090e481ec6c26b33b91ccc0307"
-    },
-    {
-     "89dab80b7717c1db5db437860a3f70218e93e1b8f461fb677f16f35f6f87e2a9"
-     "1c99bc3a47ace47640cc95c345be5ecca5a3523c35cc01893af0b64a62033427"
-     "0372ec12482d1b1e363561698a578b359803495bb4e2ef1930b17a5190b580f1"
-     "41300df30adbeca28f6427a8bc1a999fd51c554a017d095d8c3e3127daf9f595",
-     "2d773be37adb1e4d683bf0075e79c4ee""037918535a7f99ccb7040fb5f5f43aea",
-     "c85d15ed44c378d6b00e23064c7bcd51"
-    },
-    {
-     "000000000000000b1703030200000000"
-     "06db1f1f368d696a810a349c0c714c9a5e7850c2407d721acded95e018d7a852"
-     "66a6e1289cdb4aeb18da5ac8a2b0026d24a59ad485227f3eaedbb2e7e35e1c66"
-     "cd60f9abf716dcc9ac42682dd7dab287a7024c4eefc321cc0574e16793e37cec"
-     "03c5bda42b54c114a80b57af26416c7be742005e20855c73e21dc8e2edc9d435"
-     "cb6f6059280011c270b71570051c1c9b3052126620bc1e2730fa066c7a509d53"
-     "c60e5ae1b40aa6e39e49669228c90eecb4a50db32a50bc49e90b4f4b359a1dfd"
-     "11749cd3867fcf2fb7bb6cd4738f6a4ad6f7ca5058f7618845af9f020f6c3b96"
-     "7b8f4cd4a91e2813b507ae66f2d35c18284f7292186062e10fd5510d18775351"
-     "ef334e7634ab4743f5b68f49adcab384d3fd75f7390f4006ef2a295c8c7a076a"
-     "d54546cd25d2107fbe1436c840924aaebe5b370893cd63d1325b8616fc481088"
-     "6bc152c53221b6df373119393255ee72bcaa880174f1717f9184fa91646f17a2"
-     "4ac55d16bfddca9581a92eda479201f0edbf633600d6066d1ab36d5d2415d713"
-     "51bbcd608a25108d25641992c1f26c531cf9f90203bc4cc19f5927d834b0a471"
-     "16d3884bbb164b8ec883d1ac832e56b3918a98601a08d171881541d594db399c"
-     "6ae6151221745aec814c45b0b05b565436fd6f137aa10a0c0b643761dbd6f9a9"
-     "dcb99b1a6e690854ce0769cde39761d82fcdec15f0d92d7d8e94ade8eb83fbe0",
-     "99e5822dd4173c995e3dae0ddefb9774""3fde3b080134b39f76e9bf8d0e88d546",
-     "2637408fe13086ea73f971e3425e2820"
-    },
-    /*
-     * test vectors from Hanno Böck
-     */
-    {
-     "cccccccccccccccccccccccccccccccccccccccccccccccccc80cccccccccccc"
-     "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccecccccc"
-     "ccccccccccccccccccccccccccccccc5cccccccccccccccccccccccccccccccc"
-     "cccccccccce3cccccccccccccccccccccccccccccccccccccccccccccccccccc"
-     "ccccccccaccccccccccccccccccccce6cccccccccc000000afcccccccccccccc"
-     "ccccfffffff50000000000000000000000000000000000000000000000000000"
-     "00ffffffe7000000000000000000000000000000000000000000000000000000"
-     "0000000000000000000000000000000000000000000000000000719205a8521d"
-     "fc",
-     "7f1b0264000000000000000000000000""0000000000000000cccccccccccccccc",
-     "8559b876eceed66eb37798c0457baff9"
-    },
-    {
-     "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa0000000000"
-     "00000000800264",
-     "e0001600000000000000000000000000""0000aaaaaaaaaaaaaaaaaaaaaaaaaaaa",
-     "00bd1258978e205444c9aaaa82006fed"
-    },
-    {
-     "02fc",
-     "0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c""0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c",
-     "06120c0c0c0c0c0c0c0c0c0c0c0c0c0c"
-    },
-    {
-     "7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b"
-     "7b7b7b7b7b7b7a7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b"
-     "7b7b5c7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b"
-     "7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b6e7b007b7b7b7b7b7b7b7b7b"
-     "7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7a7b7b7b7b7b7b7b7b7b7b7b7b"
-     "7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b5c7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b"
-     "7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b7b"
-     "7b6e7b001300000000b300000000000000000000000000000000000000000000"
-     "f20000000000000000000000000000000000002000efff000900000000000000"
-     "0000000000100000000009000000640000000000000000000000001300000000"
-     "b300000000000000000000000000000000000000000000f20000000000000000"
-     "000000000000000000002000efff00090000000000000000007a000010000000"
-     "000900000064000000000000000000000000000000000000000000000000fc",
-     "00ff0000000000000000000000000000""00000000001e00000000000000007b7b",
-     "33205bbf9e9f8f7212ab9e2ab9b7e4a5"
-    },
-    {
-     "7777777777777777777777777777777777777777777777777777777777777777"
-     "7777777777777777777777777777777777777777777777777777777777777777"
-     "777777777777777777777777ffffffe9e9acacacacacacacacacacac0000acac"
-     "ec0100acacac2caca2acacacacacacacacacacac64f2",
-     "0000007f0000007f0100002000000000""0000cf77777777777777777777777777",
-     "02ee7c8c546ddeb1a467e4c3981158b9"
-    },
-    /*
-     * test vectors from Andrew Moon
-     */
-    {   /* nacl */
-     "8e993b9f48681273c29650ba32fc76ce48332ea7164d96a4476fb8c531a1186a"
-     "c0dfc17c98dce87b4da7f011ec48c97271d2c20f9b928fe2270d6fb863d51738"
-     "b48eeee314a7cc8ab932164548e526ae90224368517acfeabd6bb3732bc0e9da"
-     "99832b61ca01b6de56244a9e88d5f9b37973f622a43d14a6599b1f654cb45a74"
-     "e355a5",
-     "eea6a7251c1e72916d11c2cb214d3c25""2539121d8e234e652d651fa4c8cff880",
-     "f3ffc7703f9400e52a7dfb4b3d3305d9"
-    },
-    {   /* wrap 2^130-5 */
-     "ffffffffffffffffffffffffffffffff",
-     "02000000000000000000000000000000""00000000000000000000000000000000",
-     "03000000000000000000000000000000"
-    },
-    {   /* wrap 2^128 */
-     "02000000000000000000000000000000",
-     "02000000000000000000000000000000""ffffffffffffffffffffffffffffffff",
-     "03000000000000000000000000000000"
-    },
-    {   /* limb carry */
-     "fffffffffffffffffffffffffffffffff0ffffffffffffffffffffffffffffff"
-     "11000000000000000000000000000000",
-     "01000000000000000000000000000000""00000000000000000000000000000000",
-     "05000000000000000000000000000000"
-    },
-    {   /* 2^130-5 */
-     "fffffffffffffffffffffffffffffffffbfefefefefefefefefefefefefefefe"
-     "01010101010101010101010101010101",
-     "01000000000000000000000000000000""00000000000000000000000000000000",
-     "00000000000000000000000000000000"
-    },
-    {   /* 2^130-6 */
-     "fdffffffffffffffffffffffffffffff",
-     "02000000000000000000000000000000""00000000000000000000000000000000",
-     "faffffffffffffffffffffffffffffff"
-    },
-    {   /* 5*H+L reduction intermediate */
-     "e33594d7505e43b900000000000000003394d7505e4379cd0100000000000000"
-     "0000000000000000000000000000000001000000000000000000000000000000",
-     "01000000000000000400000000000000""00000000000000000000000000000000",
-     "14000000000000005500000000000000"
-    },
-    {   /* 5*H+L reduction final */
-     "e33594d7505e43b900000000000000003394d7505e4379cd0100000000000000"
-     "00000000000000000000000000000000",
-     "01000000000000000400000000000000""00000000000000000000000000000000",
-     "13000000000000000000000000000000"
-    }
-};
-
-static unsigned char hex_digit(char h)
-{
-    if (h >= '0' && h <= '9')
-        return h - '0';
-    else if (h >= 'a' && h <= 'f')
-        return h - 'a' + 10;
-    else if (h >= 'A' && h <= 'F')
-        return h - 'A' + 10;
-    else
-        abort();
-}
-
-static void hex_decode(unsigned char *out, const char *hex)
-{
-    size_t j = 0;
-
-    while (*hex != 0) {
-        unsigned char v = hex_digit(*hex++);
-        v <<= 4;
-        v |= hex_digit(*hex++);
-        out[j++] = v;
-    }
-}
-
-static void hexdump(unsigned char *a, size_t len)
-{
-    size_t i;
-
-    for (i = 0; i < len; i++)
-        printf("%02x", a[i]);
-}
-
-int main()
-{
-    static const unsigned num_tests =
-        sizeof(poly1305_tests) / sizeof(struct poly1305_test);
-    unsigned i;
-    unsigned char key[32], out[16], expected[16];
-    POLY1305 poly1305;
-
-    for (i = 0; i < num_tests; i++) {
-        const struct poly1305_test *test = &poly1305_tests[i];
-        unsigned char *in;
-        size_t inlen = strlen(test->inputhex);
-
-        if (strlen(test->keyhex) != sizeof(key) * 2 ||
-            strlen(test->outhex) != sizeof(out) * 2 || (inlen & 1) == 1)
-            return 1;
-
-        inlen /= 2;
-
-        hex_decode(key, test->keyhex);
-        hex_decode(expected, test->outhex);
-
-        in = malloc(inlen);
-
-        hex_decode(in, test->inputhex);
-
-        Poly1305_Init(&poly1305, key);
-        Poly1305_Update(&poly1305, in, inlen);
-        Poly1305_Final(&poly1305, out);
-
-        if (memcmp(out, expected, sizeof(expected)) != 0) {
-            printf("Poly1305 test #%d failed.\n", i);
-            printf("got:      ");
-            hexdump(out, sizeof(out));
-            printf("\nexpected: ");
-            hexdump(expected, sizeof(expected));
-            printf("\n");
-            return 1;
-        }
-
-        if (inlen > 16) {
-            Poly1305_Init(&poly1305, key);
-            Poly1305_Update(&poly1305, in, 1);
-            Poly1305_Update(&poly1305, in+1, inlen-1);
-            Poly1305_Final(&poly1305, out);
-
-            if (memcmp(out, expected, sizeof(expected)) != 0) {
-                printf("Poly1305 test #%d/1+(N-1) failed.\n", i);
-                printf("got:      ");
-                hexdump(out, sizeof(out));
-                printf("\nexpected: ");
-                hexdump(expected, sizeof(expected));
-                printf("\n");
-                return 1;
-            }
-        }
-
-        if (inlen > 32) {
-            size_t half = inlen / 2;
-
-            Poly1305_Init(&poly1305, key);
-            Poly1305_Update(&poly1305, in, half);
-            Poly1305_Update(&poly1305, in+half, inlen-half);
-            Poly1305_Final(&poly1305, out);
-
-            if (memcmp(out, expected, sizeof(expected)) != 0) {
-                printf("Poly1305 test #%d/2 failed.\n", i);
-                printf("got:      ");
-                hexdump(out, sizeof(out));
-                printf("\nexpected: ");
-                hexdump(expected, sizeof(expected));
-                printf("\n");
-                return 1;
-            }
-
-            for (half = 16; half < inlen; half += 16) {
-                Poly1305_Init(&poly1305, key);
-                Poly1305_Update(&poly1305, in, half);
-                Poly1305_Update(&poly1305, in+half, inlen-half);
-                Poly1305_Final(&poly1305, out);
-
-                if (memcmp(out, expected, sizeof(expected)) != 0) {
-                    printf("Poly1305 test #%d/%d+%d failed.\n",
-                                           i, half, inlen-half);
-                    printf("got:      ");
-                    hexdump(out, sizeof(out));
-                    printf("\nexpected: ");
-                    hexdump(expected, sizeof(expected));
-                    printf("\n");
-                    return 1;
-                }
-            }
-        }
-
-        free(in);
-    }
-
-    printf("PASS\n");
-
-# ifdef OPENSSL_CPUID_OBJ
-    {
-        unsigned char buf[8192];
-        unsigned long long stopwatch;
-        unsigned long long OPENSSL_rdtsc();
-
-        memset (buf,0x55,sizeof(buf));
-        memset (key,0xAA,sizeof(key));
-
-        Poly1305_Init(&poly1305, key);
-
-        for (i=0;i<100000;i++)
-           Poly1305_Update(&poly1305,buf,sizeof(buf));
-
-       stopwatch = OPENSSL_rdtsc();
-        for (i=0;i<10000;i++)
-           Poly1305_Update(&poly1305,buf,sizeof(buf));
-       stopwatch = OPENSSL_rdtsc() - stopwatch;
-
-       printf("%g\n",stopwatch/(double)(i*sizeof(buf)));
-
-        stopwatch = OPENSSL_rdtsc();
-        for (i=0;i<10000;i++) {
-            Poly1305_Init(&poly1305, key);
-            Poly1305_Update(&poly1305,buf,16);
-            Poly1305_Final(&poly1305,buf);
-        }
-        stopwatch = OPENSSL_rdtsc() - stopwatch;
-
-        printf("%g\n",stopwatch/(double)(i));
-    }
-# endif
-    return 0;
-}
-#endif