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diff --git a/src/ssl/s3_enc.c b/src/ssl/s3_enc.c
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+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *g
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *g
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *g
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) fromg
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *g
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *g
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.g
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE. */
+
+#include <stdio.h>
+#include <assert.h>
+
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+#include <openssl/md5.h>
+#include <openssl/obj.h>
+
+#include "ssl_locl.h"
+
+
+static const uint8_t ssl3_pad_1[48] = {
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+ 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+};
+
+static const uint8_t ssl3_pad_2[48] = {
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
+ 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
+};
+
+static int ssl3_handshake_mac(SSL *s, int md_nid, const char *sender, int len,
+ uint8_t *p);
+
+int ssl3_prf(SSL *s, uint8_t *out, size_t out_len, const uint8_t *secret,
+ size_t secret_len, const char *label, size_t label_len,
+ const uint8_t *seed1, size_t seed1_len,
+ const uint8_t *seed2, size_t seed2_len) {
+ EVP_MD_CTX md5;
+ EVP_MD_CTX sha1;
+ uint8_t buf[16], smd[SHA_DIGEST_LENGTH];
+ uint8_t c = 'A';
+ size_t i, j, k;
+
+ k = 0;
+ EVP_MD_CTX_init(&md5);
+ EVP_MD_CTX_init(&sha1);
+ for (i = 0; i < out_len; i += MD5_DIGEST_LENGTH) {
+ k++;
+ if (k > sizeof(buf)) {
+ /* bug: 'buf' is too small for this ciphersuite */
+ OPENSSL_PUT_ERROR(SSL, ssl3_prf, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+
+ for (j = 0; j < k; j++) {
+ buf[j] = c;
+ }
+ c++;
+ if (!EVP_DigestInit_ex(&sha1, EVP_sha1(), NULL)) {
+ OPENSSL_PUT_ERROR(SSL, ssl3_prf, ERR_LIB_EVP);
+ return 0;
+ }
+ EVP_DigestUpdate(&sha1, buf, k);
+ EVP_DigestUpdate(&sha1, secret, secret_len);
+ /* |label| is ignored for SSLv3. */
+ if (seed1_len) {
+ EVP_DigestUpdate(&sha1, seed1, seed1_len);
+ }
+ if (seed2_len) {
+ EVP_DigestUpdate(&sha1, seed2, seed2_len);
+ }
+ EVP_DigestFinal_ex(&sha1, smd, NULL);
+
+ if (!EVP_DigestInit_ex(&md5, EVP_md5(), NULL)) {
+ OPENSSL_PUT_ERROR(SSL, ssl3_prf, ERR_LIB_EVP);
+ return 0;
+ }
+ EVP_DigestUpdate(&md5, secret, secret_len);
+ EVP_DigestUpdate(&md5, smd, SHA_DIGEST_LENGTH);
+ if (i + MD5_DIGEST_LENGTH > out_len) {
+ EVP_DigestFinal_ex(&md5, smd, NULL);
+ memcpy(out, smd, out_len - i);
+ } else {
+ EVP_DigestFinal_ex(&md5, out, NULL);
+ }
+
+ out += MD5_DIGEST_LENGTH;
+ }
+
+ OPENSSL_cleanse(smd, SHA_DIGEST_LENGTH);
+ EVP_MD_CTX_cleanup(&md5);
+ EVP_MD_CTX_cleanup(&sha1);
+
+ return 1;
+}
+
+void ssl3_cleanup_key_block(SSL *s) {
+ if (s->s3->tmp.key_block != NULL) {
+ OPENSSL_cleanse(s->s3->tmp.key_block, s->s3->tmp.key_block_length);
+ OPENSSL_free(s->s3->tmp.key_block);
+ s->s3->tmp.key_block = NULL;
+ }
+ s->s3->tmp.key_block_length = 0;
+}
+
+int ssl3_init_finished_mac(SSL *s) {
+ if (s->s3->handshake_buffer) {
+ BIO_free(s->s3->handshake_buffer);
+ }
+ if (s->s3->handshake_dgst) {
+ ssl3_free_digest_list(s);
+ }
+ s->s3->handshake_buffer = BIO_new(BIO_s_mem());
+ if (s->s3->handshake_buffer == NULL) {
+ return 0;
+ }
+ BIO_set_close(s->s3->handshake_buffer, BIO_CLOSE);
+
+ return 1;
+}
+
+void ssl3_free_digest_list(SSL *s) {
+ int i;
+ if (!s->s3->handshake_dgst) {
+ return;
+ }
+ for (i = 0; i < SSL_MAX_DIGEST; i++) {
+ if (s->s3->handshake_dgst[i]) {
+ EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]);
+ }
+ }
+ OPENSSL_free(s->s3->handshake_dgst);
+ s->s3->handshake_dgst = NULL;
+}
+
+void ssl3_finish_mac(SSL *s, const uint8_t *buf, int len) {
+ int i;
+
+ if (s->s3->handshake_buffer) {
+ BIO_write(s->s3->handshake_buffer, (void *)buf, len);
+ return;
+ }
+
+ for (i = 0; i < SSL_MAX_DIGEST; i++) {
+ if (s->s3->handshake_dgst[i] != NULL) {
+ EVP_DigestUpdate(s->s3->handshake_dgst[i], buf, len);
+ }
+ }
+}
+
+int ssl3_digest_cached_records(
+ SSL *s, enum should_free_handshake_buffer_t should_free_handshake_buffer) {
+ int i;
+ long mask;
+ const EVP_MD *md;
+ const uint8_t *hdata;
+ size_t hdatalen;
+
+ /* Allocate handshake_dgst array */
+ ssl3_free_digest_list(s);
+ s->s3->handshake_dgst = OPENSSL_malloc(SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *));
+ if (s->s3->handshake_dgst == NULL) {
+ OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ memset(s->s3->handshake_dgst, 0, SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *));
+ if (!BIO_mem_contents(s->s3->handshake_buffer, &hdata, &hdatalen)) {
+ OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records,
+ SSL_R_BAD_HANDSHAKE_LENGTH);
+ return 0;
+ }
+
+ /* Loop through bits of algorithm2 field and create MD_CTX-es */
+ for (i = 0; ssl_get_handshake_digest(i, &mask, &md); i++) {
+ if ((mask & ssl_get_algorithm2(s)) && md) {
+ s->s3->handshake_dgst[i] = EVP_MD_CTX_create();
+ if (s->s3->handshake_dgst[i] == NULL) {
+ OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, ERR_LIB_EVP);
+ return 0;
+ }
+ if (!EVP_DigestInit_ex(s->s3->handshake_dgst[i], md, NULL)) {
+ EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]);
+ s->s3->handshake_dgst[i] = NULL;
+ OPENSSL_PUT_ERROR(SSL, ssl3_digest_cached_records, ERR_LIB_EVP);
+ return 0;
+ }
+ EVP_DigestUpdate(s->s3->handshake_dgst[i], hdata, hdatalen);
+ } else {
+ s->s3->handshake_dgst[i] = NULL;
+ }
+ }
+
+ if (should_free_handshake_buffer == free_handshake_buffer) {
+ /* Free handshake_buffer BIO */
+ BIO_free(s->s3->handshake_buffer);
+ s->s3->handshake_buffer = NULL;
+ }
+
+ return 1;
+}
+
+int ssl3_cert_verify_mac(SSL *s, int md_nid, uint8_t *p) {
+ return ssl3_handshake_mac(s, md_nid, NULL, 0, p);
+}
+
+int ssl3_final_finish_mac(SSL *s, const char *sender, int len, uint8_t *p) {
+ int ret, sha1len;
+ ret = ssl3_handshake_mac(s, NID_md5, sender, len, p);
+ if (ret == 0) {
+ return 0;
+ }
+
+ p += ret;
+
+ sha1len = ssl3_handshake_mac(s, NID_sha1, sender, len, p);
+ if (sha1len == 0) {
+ return 0;
+ }
+
+ ret += sha1len;
+ return ret;
+}
+
+static int ssl3_handshake_mac(SSL *s, int md_nid, const char *sender, int len,
+ uint8_t *p) {
+ unsigned int ret;
+ int npad, n;
+ unsigned int i;
+ uint8_t md_buf[EVP_MAX_MD_SIZE];
+ EVP_MD_CTX ctx, *d = NULL;
+
+ if (s->s3->handshake_buffer &&
+ !ssl3_digest_cached_records(s, free_handshake_buffer)) {
+ return 0;
+ }
+
+ /* Search for digest of specified type in the handshake_dgst array. */
+ for (i = 0; i < SSL_MAX_DIGEST; i++) {
+ if (s->s3->handshake_dgst[i] &&
+ EVP_MD_CTX_type(s->s3->handshake_dgst[i]) == md_nid) {
+ d = s->s3->handshake_dgst[i];
+ break;
+ }
+ }
+
+ if (!d) {
+ OPENSSL_PUT_ERROR(SSL, ssl3_handshake_mac, SSL_R_NO_REQUIRED_DIGEST);
+ return 0;
+ }
+
+ EVP_MD_CTX_init(&ctx);
+ if (!EVP_MD_CTX_copy_ex(&ctx, d)) {
+ EVP_MD_CTX_cleanup(&ctx);
+ OPENSSL_PUT_ERROR(SSL, ssl3_generate_key_block, ERR_LIB_EVP);
+ return 0;
+ }
+
+ n = EVP_MD_CTX_size(&ctx);
+ if (n < 0) {
+ return 0;
+ }
+
+ npad = (48 / n) * n;
+ if (sender != NULL) {
+ EVP_DigestUpdate(&ctx, sender, len);
+ }
+ EVP_DigestUpdate(&ctx, s->session->master_key, s->session->master_key_length);
+ EVP_DigestUpdate(&ctx, ssl3_pad_1, npad);
+ EVP_DigestFinal_ex(&ctx, md_buf, &i);
+
+ if (!EVP_DigestInit_ex(&ctx, EVP_MD_CTX_md(&ctx), NULL)) {
+ EVP_MD_CTX_cleanup(&ctx);
+ OPENSSL_PUT_ERROR(SSL, ssl3_generate_key_block, ERR_LIB_EVP);
+ return 0;
+ }
+ EVP_DigestUpdate(&ctx, s->session->master_key, s->session->master_key_length);
+ EVP_DigestUpdate(&ctx, ssl3_pad_2, npad);
+ EVP_DigestUpdate(&ctx, md_buf, i);
+ EVP_DigestFinal_ex(&ctx, p, &ret);
+
+ EVP_MD_CTX_cleanup(&ctx);
+
+ return ret;
+}
+
+void ssl3_record_sequence_update(uint8_t *seq) {
+ int i;
+
+ for (i = 7; i >= 0; i--) {
+ ++seq[i];
+ if (seq[i] != 0) {
+ break;
+ }
+ }
+}
+
+int ssl3_alert_code(int code) {
+ switch (code) {
+ case SSL_AD_CLOSE_NOTIFY:
+ return SSL3_AD_CLOSE_NOTIFY;
+
+ case SSL_AD_UNEXPECTED_MESSAGE:
+ return SSL3_AD_UNEXPECTED_MESSAGE;
+
+ case SSL_AD_BAD_RECORD_MAC:
+ return SSL3_AD_BAD_RECORD_MAC;
+
+ case SSL_AD_DECRYPTION_FAILED:
+ return SSL3_AD_BAD_RECORD_MAC;
+
+ case SSL_AD_RECORD_OVERFLOW:
+ return SSL3_AD_BAD_RECORD_MAC;
+
+ case SSL_AD_DECOMPRESSION_FAILURE:
+ return SSL3_AD_DECOMPRESSION_FAILURE;
+
+ case SSL_AD_HANDSHAKE_FAILURE:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_NO_CERTIFICATE:
+ return SSL3_AD_NO_CERTIFICATE;
+
+ case SSL_AD_BAD_CERTIFICATE:
+ return SSL3_AD_BAD_CERTIFICATE;
+
+ case SSL_AD_UNSUPPORTED_CERTIFICATE:
+ return SSL3_AD_UNSUPPORTED_CERTIFICATE;
+
+ case SSL_AD_CERTIFICATE_REVOKED:
+ return SSL3_AD_CERTIFICATE_REVOKED;
+
+ case SSL_AD_CERTIFICATE_EXPIRED:
+ return SSL3_AD_CERTIFICATE_EXPIRED;
+
+ case SSL_AD_CERTIFICATE_UNKNOWN:
+ return SSL3_AD_CERTIFICATE_UNKNOWN;
+
+ case SSL_AD_ILLEGAL_PARAMETER:
+ return SSL3_AD_ILLEGAL_PARAMETER;
+
+ case SSL_AD_UNKNOWN_CA:
+ return SSL3_AD_BAD_CERTIFICATE;
+
+ case SSL_AD_ACCESS_DENIED:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_DECODE_ERROR:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_DECRYPT_ERROR:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_EXPORT_RESTRICTION:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_PROTOCOL_VERSION:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_INSUFFICIENT_SECURITY:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_INTERNAL_ERROR:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_USER_CANCELLED:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_NO_RENEGOTIATION:
+ return -1; /* Don't send it. */
+
+ case SSL_AD_UNSUPPORTED_EXTENSION:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_CERTIFICATE_UNOBTAINABLE:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_UNRECOGNIZED_NAME:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
+ return SSL3_AD_HANDSHAKE_FAILURE;
+
+ case SSL_AD_UNKNOWN_PSK_IDENTITY:
+ return TLS1_AD_UNKNOWN_PSK_IDENTITY;
+
+ case SSL_AD_INAPPROPRIATE_FALLBACK:
+ return SSL3_AD_INAPPROPRIATE_FALLBACK;
+
+ default:
+ return -1;
+ }
+}
generated by cgit v1.1 at 2024-08-07 05:13:07 +0000