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diff --git a/web/server/h2o/libh2o/deps/picotls/deps/cifra/src/aes.c b/web/server/h2o/libh2o/deps/picotls/deps/cifra/src/aes.c
deleted file mode 100644
index 545588e57..000000000
--- a/web/server/h2o/libh2o/deps/picotls/deps/cifra/src/aes.c
+++ /dev/null
@@ -1,419 +0,0 @@
-/*
- * 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 <string.h>
-#include <stdlib.h>
-
-#include "cf_config.h"
-#include "aes.h"
-#include "handy.h"
-#include "bitops.h"
-#include "tassert.h"
-
-static const uint8_t S[256] =
-{
- 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe,
- 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4,
- 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7,
- 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3,
- 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09,
- 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3,
- 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe,
- 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
- 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92,
- 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c,
- 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19,
- 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14,
- 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2,
- 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5,
- 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25,
- 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
- 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86,
- 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e,
- 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42,
- 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
-};
-
-static const uint8_t Rcon[11] =
-{
- 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36
-};
-
-#ifdef INLINE_FUNCS
-static inline uint32_t word4(uint8_t b0, uint8_t b1, uint8_t b2, uint8_t b3)
-{
- return b0 << 24 | b1 << 16 | b2 << 8 | b3;
-}
-
-static inline uint8_t byte(uint32_t w, unsigned x)
-{
- /* nb. bytes are numbered 0 (leftmost, top)
- * to 3 (rightmost). */
- x = 3 - x;
- return (w >> (x * 8)) & 0xff;
-}
-
-static uint32_t round_constant(uint32_t i)
-{
- return Rcon[i] << 24;
-}
-
-static uint32_t rot_word(uint32_t w)
-{
- /* Takes
- * word [a0,a1,a2,a3]
- * returns
- * word [a1,a2,a3,a0]
- *
- */
- return rotl32(w, 8);
-}
-#endif
-
-#define word4(a, b, c, d) (((uint32_t)(a) << 24) | ((uint32_t)(b) << 16) | ((uint32_t)(c) << 8) | (d))
-#define byte(w, x) ((w >> ((3 - (x)) << 3)) & 0xff)
-#define round_constant(i) ((uint32_t)(Rcon[i]) << 24)
-#define rot_word(w) rotl32((w), 8)
-
-static uint32_t sub_word(uint32_t w, const uint8_t *sbox)
-{
- uint8_t a = byte(w, 0),
- b = byte(w, 1),
- c = byte(w, 2),
- d = byte(w, 3);
-#if CF_CACHE_SIDE_CHANNEL_PROTECTION
- select_u8x4(&a, &b, &c, &d, sbox, 256);
-#else
- a = sbox[a];
- b = sbox[b];
- c = sbox[c];
- d = sbox[d];
-#endif
- return word4(a, b, c, d);
-}
-
-static void aes_schedule(cf_aes_context *ctx, const uint8_t *key, size_t nkey)
-{
- size_t i,
- nb = AES_BLOCKSZ / 4,
- nk = nkey / 4,
- n = nb * (ctx->rounds + 1);
- uint32_t *w = ctx->ks;
-
- /* First words are just the key. */
- for (i = 0; i < nk; i++)
- {
- w[i] = read32_be(key + i * 4);
- }
-
- uint32_t i_div_nk = 1;
- uint32_t i_mod_nk = 0;
-
- for (; i < n; i++, i_mod_nk++)
- {
- uint32_t temp = w[i - 1];
-
- if (i_mod_nk == nk)
- {
- i_div_nk++;
- i_mod_nk = 0;
- }
-
- if (i_mod_nk == 0)
- temp = sub_word(rot_word(temp), S) ^ round_constant(i_div_nk);
- else if (nk > 6 && i_mod_nk == 4)
- temp = sub_word(temp, S);
-
- w[i] = w[i - nk] ^ temp;
- }
-}
-
-void cf_aes_init(cf_aes_context *ctx, const uint8_t *key, size_t nkey)
-{
- memset(ctx, 0, sizeof *ctx);
-
- switch (nkey)
- {
-#if CF_AES_MAXROUNDS >= AES128_ROUNDS
- case 16:
- ctx->rounds = AES128_ROUNDS;
- aes_schedule(ctx, key, nkey);
- break;
-#endif
-
-#if CF_AES_MAXROUNDS >= AES192_ROUNDS
- case 24:
- ctx->rounds = AES192_ROUNDS;
- aes_schedule(ctx, key, nkey);
- break;
-#endif
-
-#if CF_AES_MAXROUNDS >= AES256_ROUNDS
- case 32:
- ctx->rounds = AES256_ROUNDS;
- aes_schedule(ctx, key, nkey);
- break;
-#endif
-
- default:
- abort();
- }
-}
-
-static void add_round_key(uint32_t state[4], const uint32_t rk[4])
-{
- state[0] ^= rk[0];
- state[1] ^= rk[1];
- state[2] ^= rk[2];
- state[3] ^= rk[3];
-}
-
-static void sub_block(uint32_t state[4])
-{
- state[0] = sub_word(state[0], S);
- state[1] = sub_word(state[1], S);
- state[2] = sub_word(state[2], S);
- state[3] = sub_word(state[3], S);
-}
-
-static void shift_rows(uint32_t state[4])
-{
- uint32_t u, v, x, y;
-
- u = word4(byte(state[0], 0),
- byte(state[1], 1),
- byte(state[2], 2),
- byte(state[3], 3));
-
- v = word4(byte(state[1], 0),
- byte(state[2], 1),
- byte(state[3], 2),
- byte(state[0], 3));
-
- x = word4(byte(state[2], 0),
- byte(state[3], 1),
- byte(state[0], 2),
- byte(state[1], 3));
-
- y = word4(byte(state[3], 0),
- byte(state[0], 1),
- byte(state[1], 2),
- byte(state[2], 3));
-
- state[0] = u;
- state[1] = v;
- state[2] = x;
- state[3] = y;
-}
-
-static uint32_t gf_poly_mul2(uint32_t x)
-{
- return
- ((x & 0x7f7f7f7f) << 1) ^
- (((x & 0x80808080) >> 7) * 0x1b);
-}
-
-static uint32_t mix_column(uint32_t x)
-{
- uint32_t x2 = gf_poly_mul2(x);
- return x2 ^ rotr32(x ^ x2, 24) ^ rotr32(x, 16) ^ rotr32(x, 8);
-}
-
-static void mix_columns(uint32_t state[4])
-{
- state[0] = mix_column(state[0]);
- state[1] = mix_column(state[1]);
- state[2] = mix_column(state[2]);
- state[3] = mix_column(state[3]);
-}
-
-void cf_aes_encrypt(const cf_aes_context *ctx,
- const uint8_t in[AES_BLOCKSZ],
- uint8_t out[AES_BLOCKSZ])
-{
- assert(ctx->rounds == AES128_ROUNDS ||
- ctx->rounds == AES192_ROUNDS ||
- ctx->rounds == AES256_ROUNDS);
-
- uint32_t state[4] = {
- read32_be(in + 0),
- read32_be(in + 4),
- read32_be(in + 8),
- read32_be(in + 12)
- };
-
- const uint32_t *round_keys = ctx->ks;
- add_round_key(state, round_keys);
- round_keys += 4;
-
- uint32_t round;
- for (round = 1; round < ctx->rounds; round++)
- {
- sub_block(state);
- shift_rows(state);
- mix_columns(state);
- add_round_key(state, round_keys);
- round_keys += 4;
- }
-
- sub_block(state);
- shift_rows(state);
- add_round_key(state, round_keys);
-
- write32_be(state[0], out + 0);
- write32_be(state[1], out + 4);
- write32_be(state[2], out + 8);
- write32_be(state[3], out + 12);
-}
-
-#if CF_AES_ENCRYPT_ONLY == 0
-static const uint8_t S_inv[256] =
-{
- 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81,
- 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e,
- 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23,
- 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, 0x08, 0x2e, 0xa1, 0x66,
- 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, 0x72,
- 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65,
- 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46,
- 0x57, 0xa7, 0x8d, 0x9d, 0x84, 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a,
- 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca,
- 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91,
- 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6,
- 0x73, 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8,
- 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f,
- 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2,
- 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, 0x1f, 0xdd, 0xa8,
- 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
- 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93,
- 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb,
- 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6,
- 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
-};
-
-static void inv_sub_block(uint32_t state[4])
-{
- state[0] = sub_word(state[0], S_inv);
- state[1] = sub_word(state[1], S_inv);
- state[2] = sub_word(state[2], S_inv);
- state[3] = sub_word(state[3], S_inv);
-}
-
-static void inv_shift_rows(uint32_t state[4])
-{
- uint32_t u, v, x, y;
-
- u = word4(byte(state[0], 0),
- byte(state[3], 1),
- byte(state[2], 2),
- byte(state[1], 3));
-
- v = word4(byte(state[1], 0),
- byte(state[0], 1),
- byte(state[3], 2),
- byte(state[2], 3));
-
- x = word4(byte(state[2], 0),
- byte(state[1], 1),
- byte(state[0], 2),
- byte(state[3], 3));
-
- y = word4(byte(state[3], 0),
- byte(state[2], 1),
- byte(state[1], 2),
- byte(state[0], 3));
-
- state[0] = u;
- state[1] = v;
- state[2] = x;
- state[3] = y;
-}
-
-static uint32_t inv_mix_column(uint32_t x)
-{
- uint32_t x2 = gf_poly_mul2(x),
- x4 = gf_poly_mul2(x2),
- x9 = x ^ gf_poly_mul2(x4),
- x11 = x2 ^ x9,
- x13 = x4 ^ x9;
-
- return x ^ x2 ^ x13 ^ rotr32(x11, 24) ^ rotr32(x13, 16) ^ rotr32(x9, 8);
-}
-
-static void inv_mix_columns(uint32_t state[4])
-{
- state[0] = inv_mix_column(state[0]);
- state[1] = inv_mix_column(state[1]);
- state[2] = inv_mix_column(state[2]);
- state[3] = inv_mix_column(state[3]);
-}
-
-void cf_aes_decrypt(const cf_aes_context *ctx,
- const uint8_t in[AES_BLOCKSZ],
- uint8_t out[AES_BLOCKSZ])
-{
- assert(ctx->rounds == AES128_ROUNDS ||
- ctx->rounds == AES192_ROUNDS ||
- ctx->rounds == AES256_ROUNDS);
-
- uint32_t state[4] = {
- read32_be(in + 0),
- read32_be(in + 4),
- read32_be(in + 8),
- read32_be(in + 12)
- };
-
- const uint32_t *round_keys = &ctx->ks[ctx->rounds << 2];
- add_round_key(state, round_keys);
- round_keys -= 4;
-
- uint32_t round;
- for (round = ctx->rounds - 1; round != 0; round--)
- {
- inv_shift_rows(state);
- inv_sub_block(state);
- add_round_key(state, round_keys);
- inv_mix_columns(state);
- round_keys -= 4;
- }
-
- inv_shift_rows(state);
- inv_sub_block(state);
- add_round_key(state, round_keys);
-
- write32_be(state[0], out + 0);
- write32_be(state[1], out + 4);
- write32_be(state[2], out + 8);
- write32_be(state[3], out + 12);
-}
-#else
-void cf_aes_decrypt(const cf_aes_context *ctx,
- const uint8_t in[AES_BLOCKSZ],
- uint8_t out[AES_BLOCKSZ])
-{
- abort();
-}
-#endif
-
-void cf_aes_finish(cf_aes_context *ctx)
-{
- mem_clean(ctx, sizeof *ctx);
-}
-
-const cf_prp cf_aes = {
- .blocksz = AES_BLOCKSZ,
- .encrypt = (cf_prp_block) cf_aes_encrypt,
- .decrypt = (cf_prp_block) cf_aes_decrypt
-};
-