Commit Graph

249 Commits

Author SHA1 Message Date
Paul Bakker
37824581b7 - Added Changelog for bugfix in mpi_cmp_mpi() 2012-03-22 14:10:22 +00:00
Paul Bakker
89e80c9a43 - Added base Galois/Counter mode (GCM) for AES 2012-03-20 13:50:09 +00:00
Paul Bakker
bdb912db69 - Added preliminary ASN.1 buffer writing support
- Added preliminary X509 Certificate Request writing support
 - Added key_app_writer example application
 - Added cert_req example application
2012-02-13 23:11:30 +00:00
Paul Bakker
048d04ef4b - AES code only check for Padlock once 2012-02-12 17:31:04 +00:00
Paul Bakker
1504af585c - Removed redundant POLARSSL_DEBUG_MSG define 2012-02-11 16:17:43 +00:00
Paul Bakker
a8cd239d6b - Added support for wildcard certificates
- Added support for multi-domain certificates through the X509 Subject Alternative Name extension
2012-02-11 16:09:32 +00:00
Paul Bakker
fab5c829e7 - Added support for NULL cipher (POLARSSL_CIPHER_NULL_CIPHER) and weak ciphersuites (POLARSSL_ENABLE_WEAK_CIPHERSUITES). They are disabled by default! 2012-02-06 16:45:10 +00:00
Paul Bakker
99955bf86a - Final changes for 1.1.1 release 2012-01-23 09:31:41 +00:00
Paul Bakker
2ec0a56649 - Fixed issue with Intel compiler on 64-bit platforms 2012-01-21 05:41:23 +00:00
Paul Bakker
b15b851d6d - Check for failed malloc() in ssl_set_hostname() and x509_get_entries() (Closes ticket #47, found by Hugo Leisink) 2012-01-13 13:44:06 +00:00
Paul Bakker
08a508838c - Updated release date 2011-12-22 09:43:57 +00:00
Paul Bakker
a42b3e916d - Fixed top line for version 2011-12-11 11:48:51 +00:00
Paul Bakker
69e095cc15 - Changed the behaviour of x509parse_parse_crt for permissive parsing. Now returns the number of 'failed certificates' instead of having a switch to enable it.
- As a consequence all error code that were positive were changed. A lot of MALLOC_FAILED and FILE_IO_ERROR error codes added for different modules.
 - Programs and tests were adapted accordingly
2011-12-10 21:55:01 +00:00
Paul Bakker
c50132d4fa - Updated version of PolarSSL to 1.1.0 2011-12-05 14:38:36 +00:00
Paul Bakker
c8ffbe7706 - Corrected removal of leading '00:' in printing serial numbers in certificates and CRLs 2011-12-05 14:22:49 +00:00
Paul Bakker
4f5ae803fa - Fixed MS Visual C++ name clash with int64 in sha4.h 2011-12-04 22:10:28 +00:00
Paul Bakker
508ad5ab6d - Moved all examples programs to use the new entropy and CTR_DRBG 2011-12-04 17:09:26 +00:00
Paul Bakker
6c0ceb3f9a - Added permissive certificate parsing to x509parse_crt() and x509parse_crtfile(). With permissive parsing the parsing does not stop on encountering a parse-error 2011-12-04 12:24:18 +00:00
Paul Bakker
6083fd252d - Added a generic entropy accumulator that provides support for adding custom entropy sources and added some generic and platform dependent entropy sources 2011-12-03 21:45:14 +00:00
Paul Bakker
a3d195c41f - Changed the used random function pointer to more flexible format. Renamed havege_rand() to havege_random() to prevent mistakes. Lots of changes as a consequence in library code and programs 2011-11-27 21:07:34 +00:00
Paul Bakker
0e04d0e9a3 - Added CTR_DRBG based on AES-256-CTR (NIST SP 800-90) random generator 2011-11-27 14:46:59 +00:00
Paul Bakker
4463740fe4 - Improved build support for s390x and sparc64 in bignum.h 2011-11-26 09:23:07 +00:00
Paul Bakker
03c7c25243 - * If certificate serial is longer than 32 octets, serial number is now appended with '....' after first 28 octets 2011-11-25 12:37:37 +00:00
Paul Bakker
fe3256e54b - Introduced POLARSSL_MPI_MAX_SIZE and POLARSSL_MPI_MAX_BITS for MPI size management (Closes ticket #44) 2011-11-25 12:11:43 +00:00
Paul Bakker
b6d5f08051 - Added POLARSSL_MPI_WINDOW_SIZE definition to allow easier time to memory trade-off 2011-11-25 11:52:11 +00:00
Paul Bakker
2e6d5328d5 - Added credits! 2011-11-18 14:34:17 +00:00
Paul Bakker
cce9d77745 - Lots of minimal changes to better support WINCE as a build target 2011-11-18 14:26:47 +00:00
Paul Bakker
5e18aed436 - Changed the defined key-length of DES ciphers in cipher.h to include the parity bits, to prevent mistakes in copying data. (Closes ticket #33) 2011-11-15 15:38:45 +00:00
Paul Bakker
1fe7d9baf9 - Fixed incorrect behaviour in case of RSASSA-PSS with a salt length smaller than the hash length. (Closes ticket #41) 2011-11-15 15:26:03 +00:00
Paul Bakker
cebdf17159 - Allowed X509 key usage parsing to accept 4 byte values instead of the standard 1 byte version sometimes used by Microsoft. (Closes ticket #38) 2011-11-11 15:01:31 +00:00
Paul Bakker
03a30d34dc - Added latest fix to ChangeLog 2011-11-11 10:55:02 +00:00
Paul Bakker
efc302964c - Extracted ASN.1 parsing code from the X.509 parsing code. Added new module. 2011-11-10 14:43:23 +00:00
Paul Bakker
b5a11ab80b - Added a separate CRL entry extension parsing function 2011-10-12 09:58:41 +00:00
Paul Bakker
fbc09f3cb6 - Added an EXPLICIT tag number parameter to x509_get_ext() 2011-10-12 09:56:41 +00:00
Paul Bakker
3329d1f805 - Fixed a bug where the CRL parser expected an EXPLICIT ASN.1 tag before version numbers 2011-10-12 09:55:01 +00:00
Paul Bakker
c4909d95f1 - Inceased maximum size of ASN1 length reads to 32-bits 2011-10-12 09:52:22 +00:00
Paul Bakker
fa1c592860 - Fixed faulty HMAC-MD2 implementation (Fixes ticket #37) 2011-10-06 14:18:49 +00:00
Paul Bakker
d246ed30bd - Fixed rsa_encrypt and rsa_decrypt example programs to use public key for encryption and private key for decryption (Fixes ticket #34) 2011-10-06 13:18:27 +00:00
Paul Bakker
ca6f3e24a4 - Clarified use of AES and Camellia in CFB and CTR modes 2011-10-06 13:11:08 +00:00
Paul Bakker
490ecc8c3e - Added ssl_set_max_version() to set the client's maximum sent version number 2011-10-06 13:04:09 +00:00
Paul Bakker
7eb013face - Added ssl_session_reset() to allow re-use of already set non-connection specific context information 2011-10-06 12:37:39 +00:00
Paul Bakker
7bc05ff4a6 - Added rsa_encrypt and rsa_decrypt example programs 2011-08-09 10:30:36 +00:00
Paul Bakker
968bc9831b - Preparations for v1.0.0 release of PolarSSL 2011-07-27 17:03:00 +00:00
Paul Bakker
42e5981c26 - Updated to reflect changes in error codes in the generic cipher and message digest layers 2011-06-09 15:55:41 +00:00
Paul Bakker
343a870daa - Expanded generic cipher layer with support for CTR and CFB128 modes of operation. 2011-06-09 14:27:58 +00:00
Paul Bakker
887bd502d2 - Undid fix for ssl_write that introduced a true bug when buffers are running full. 2011-06-08 13:10:54 +00:00
Paul Bakker
828acb2234 - Updated for release 0.99-pre5 2011-05-27 09:25:42 +00:00
Paul Bakker
1496d38028 - Added the ssl_mail_client example application 2011-05-23 12:07:29 +00:00
Paul Bakker
2f5947e1f6 - Added mpi_get_bit() and mpi_set_bit() individual bit setter/getter functions. 2011-05-18 15:47:11 +00:00
Paul Bakker
831a755d9e - Changed behaviour of net_recv(), ssl_fetch_input() and ssl_read(). net_recv() now returns 0 on EOF instead of POLARSSL_ERR_NET_CONN_RESET. ssl_fetch_input() returns POLARSSL_ERR_SSL_CONN_EOF on an EOF from its f_recv() function. ssl_read() returns 0 if a POLARSSL_ERR_SSL_CONN_EOF is received after the handshake.
- Network functions now return POLARSSL_ERR_NET_WANT_READ or POLARSSL_ERR_NET_WANT_WRITE instead of the ambiguous POLARSSL_ERR_NET_TRY_AGAIN
2011-05-18 13:32:51 +00:00
Paul Bakker
9d781407bc - A error_strerror function() has been added to translate between error codes and their description.
- The error codes have been remapped and combining error codes is now done with a PLUS instead of an OR as error codes used are negative.
 - Descriptions to all error codes have been added.
 - Generation script for error.c has been created to automatically generate error.c from the available error definitions in the headers.
2011-05-09 16:17:09 +00:00
Paul Bakker
6c591fab72 - mpi_init() and mpi_free() only accept a single argument and do not accept variable arguments anymore. This prevents unexpected memory corruption in a number of use cases. 2011-05-05 11:49:20 +00:00
Paul Bakker
335db3f121 - Functions requiring File System functions can now be disables by undefining POLARSSL_FS_IO 2011-04-25 15:28:35 +00:00
Paul Bakker
a755ca1bbe - Renamed t_s_int, t_int and t_dbl to respectively t_sint, t_uint and t_udbl for clarity 2011-04-24 09:11:17 +00:00
Paul Bakker
23986e5d5d - Major type rewrite of int to size_t for most variables and arguments used for buffer lengths and loops 2011-04-24 08:57:21 +00:00
Paul Bakker
b6ecaf5276 - Added additional (configurable) cipher block modes. AES-CTR, Camellia-CTR, XTEA-CBC 2011-04-19 14:29:23 +00:00
Paul Bakker
3efa575ff2 - Ready for release 0.99-pre4 2011-04-01 12:23:26 +00:00
Paul Bakker
287781a965 - Added mpi_fill_random() for centralized filling of big numbers with random data (Fixed ticket #10) 2011-03-26 13:18:49 +00:00
Paul Bakker
98675496e1 - Added information about changed behaviour of x509parse_key() 2011-03-26 13:17:12 +00:00
Paul Bakker
e77db2e119 - Added bugfix info for previous checkin 2011-03-25 14:01:32 +00:00
Paul Bakker
1fd00bfe82 - Fixed bug in ssl_write() when flushing old data (Fixes ticket #18) 2011-03-14 20:50:15 +00:00
Paul Bakker
be4e7dca08 - Debug print of MPI now removes leading zero octets and displays actual bit size of the value 2011-03-14 20:41:31 +00:00
Paul Bakker
9dcc32236b - Added support for PKCS#1 v2.1 encoding and thus support for the RSAES-OAEP and RSASSA-PSS operations (enabled by POLARSSL_PKCS1_V21) 2011-03-08 14:16:06 +00:00
Paul Bakker
345a6fee91 - Replaced function that fixes man-in-the-middle attack
- Added message to indicate inclusion of man-in-the-middle attack (Reported by Larry Highsmith, Subreption LLC)
 - Released version 0.99-pre3
2011-02-28 21:20:02 +00:00
Paul Bakker
1946e42dd4 - Made ready for 0.99-pre2 release 2011-02-25 09:39:39 +00:00
Paul Bakker
e2a39cc0fa - Do not bail out if no client certificate specified. Try to negotiate anonymous connection (Fixes ticket #12) 2011-02-20 13:49:27 +00:00
Paul Bakker
400ff6f0fd - Corrected parsing of UTCTime dates before 1990 and after 1950
- Support more exotic OID's when parsing certificates
 - Support more exotic name representations when parsing certificates
 - Replaced the expired test certificates
2011-02-20 10:40:16 +00:00
Paul Bakker
a9507c063b - Added crl_app program to allow easy reading and printing of X509 CRLs from file 2011-02-12 15:27:28 +00:00
Paul Bakker
96743fc5f5 - Parsing of PEM files moved to separate module (Fixes ticket #13). Also possible to remove PEM support for systems only using DER encoding
- Parsing PEM private keys encrypted with DES and AES are now supported (Fixes ticket #5)
 - Added tests for encrypted keyfiles
2011-02-12 14:30:57 +00:00
Paul Bakker
9fc4659b30 - Preparing for Release of 0.99 prerelease 1 2011-01-30 16:59:02 +00:00
Paul Bakker
e3166ce040 - Renamed ciphers member of ssl_context and cipher member of ssl_session to ciphersuites and ciphersuite respectively. This clarifies the difference with the generic cipher layer and is better naming altogether
- Adapted in the rest of using code as well
2011-01-27 17:40:50 +00:00
Paul Bakker
20a7808d13 - Addec crypt_and_hash example program of the generic hash and cipher layers 2011-01-21 09:32:12 +00:00
Paul Bakker
43b7e35b25 - Support for PKCS#11 through the use of the pkcs11-helper library 2011-01-18 15:27:19 +00:00
Paul Bakker
b619499eb3 - x509parse_time_expired() checks time now in addition to the existing date check 2011-01-16 21:40:22 +00:00
Paul Bakker
72f6266f02 - Improved information provided about current Hashing, Cipher and Suite capabilities 2011-01-16 21:27:44 +00:00
Paul Bakker
76fd75a3de - Improved certificate validation and validation against the available CRLs 2011-01-16 21:12:10 +00:00
Paul Bakker
43ca69c38a - Added function for stringified SSL/TLS version 2011-01-15 17:35:19 +00:00
Paul Bakker
1f87fb6896 - Support for DES weak keys and parity bits added 2011-01-15 17:32:24 +00:00
Paul Bakker
74111d30b7 - Improved X509 certificate parsing to include extended certificate fields, such as Key Usage 2011-01-15 16:57:55 +00:00
Paul Bakker
b63b0afc05 - Added verification callback in certificate verification chain in order to allow external blacklisting 2011-01-13 17:54:59 +00:00
Paul Bakker
1b57b06751 - Added reading of DHM context from memory and file 2011-01-06 15:48:19 +00:00
Paul Bakker
8123e9d8f1 - Added generic cipher wrapper for integration with OpenVPN (donated by Fox-IT) 2011-01-06 15:37:30 +00:00
Paul Bakker
1737385e04 - Added generic message digest wrapper for integration with OpenVPN (donated by Fox-IT) 2011-01-06 14:20:01 +00:00
Paul Bakker
37ca75d6f2 - Added Doxygen source code documentation parts (donated by Fox-IT) 2011-01-06 12:28:03 +00:00
Paul Bakker
99ed6788b2 - Changed line endings and encodings to unix and utf-8 2011-01-05 14:48:42 +00:00
Paul Bakker
5c10b54fb2 - Added release date for 0.14.0 2010-08-16 12:01:43 +00:00
Paul Bakker
21eb2802fe - Changed origins of random function and pointer in rsa_pkcs1_encrypt, rsa_init, rsa_gen_key.
Moved to parameters of function instead of context pointers as within ssl_cli, context pointer cannot be set easily.
2010-08-16 11:10:02 +00:00
Paul Bakker
2e11f7d966 - Added support for TLS v1.1
- Renamed some SSL defines to prevent future naming confusion
2010-07-25 14:24:53 +00:00
Paul Bakker
a0f082c574 - Rewrite ChangeLog 2010-07-18 10:14:07 +00:00
Paul Bakker
b572adf5e6 - Removed dependency on rand() in rsa_pkcs1_encrypt(). Now using random fuction provided to context
- Expanded ssl_client2 arguments for more flexibility
 - rsa_check_private() now supports PKCS1v2 keys as well
 - Fixed deadlock in rsa_pkcs1_encrypt() on failing random generator
2010-07-18 08:29:32 +00:00
Paul Bakker
4c14a258fe - Fixed out of source build for tests with CMake 2010-06-18 22:54:05 +00:00
Paul Bakker
690b93d91a - Made Makefile cleaner 2010-06-18 16:42:26 +00:00
Paul Bakker
77a43580da - Added support for the SSL_EDH_RSA_AES_128_SHA and SSL_EDH_RSA_CAMELLIA_128_SHA ciphersuites 2010-06-15 21:32:46 +00:00
Paul Bakker
699fbbcf29 - Added missing const fixes 2010-03-24 07:15:41 +00:00
Paul Bakker
aed271ed03 - Fixed ChangeLog 2010-03-24 06:55:38 +00:00
Paul Bakker
09d87fcd99 - Added release date for 0.13.0 2010-03-21 16:23:50 +00:00
Paul Bakker
7d3b661bfe - Added reset functionality for HMAC context. Speed-up for some use-cases. 2010-03-21 16:23:13 +00:00
Paul Bakker
baad6504d4 - Changed ARC4 to use seperate input/output buffer 2010-03-21 15:42:15 +00:00
Paul Bakker
f3ccc68100 - Fixed cipher interface for encrypt/decrypt functions 2010-03-18 21:21:02 +00:00
Paul Bakker
4fc45522f1 - Added cert_app application 2010-03-18 20:11:58 +00:00
Paul Bakker
9f335d5bc1 - Added attribution for fix from FrankDeB 2010-03-17 18:19:37 +00:00
Paul Bakker
27d661657b - Added x509_get_sig_alg() to allow easy future X509 signature algorithm determination expansion 2010-03-17 06:56:01 +00:00
Paul Bakker
41d13f4af8 - Found algorithmic bug in mpi_is_prime() 2010-03-16 21:26:36 +00:00
Paul Bakker
4ed999c4b2 - Added fixes for compiler warnings on a Mac 2010-03-16 21:16:16 +00:00
Paul Bakker
ff60ee6c2a - Added const-correctness to main codebase 2010-03-16 21:09:09 +00:00
Paul Bakker
9120018f3d - Added support for GeneralizedTime in X509 certificates 2010-02-18 21:26:15 +00:00
Paul Bakker
9caf2d2d38 - Added option parsing for ssl_client2 to select host and port 2010-02-18 19:37:19 +00:00
Paul Bakker
1f76115340 - Fixed bug resulting in failure to send the last certificate in the chain in ssl_write_certificate() and ssl_write_certificate_request() 2010-02-18 18:16:31 +00:00
Paul Bakker
5d8d64e1a6 - Fixed texts 2009-10-04 15:15:34 +00:00
Paul Bakker
fe1aea7877 - Fixed typo in MD4 define 2009-10-03 20:09:14 +00:00
Paul Bakker
1271d9df55 - Updated to reflect changes of 'depends_on' in testing 2009-10-03 20:05:57 +00:00
Paul Bakker
972f8e77cf - Updated ChangeLog for release 0.12.0 2009-07-28 20:27:03 +00:00
Paul Bakker
3391b12ce3 - Fixed error codes. Negative when needed (SSL error codes). Non-negative if error-codes are OR'ed to other error codes (ASN1, Base64, MPI, DHM). The rest is negative by default. 2009-07-28 20:11:54 +00:00
Paul Bakker
b3bb6c0c66 - Fixed include location of endian.h and name clash on Apples (found by Martin van Hensbergen) 2009-07-27 21:09:47 +00:00
Paul Bakker
2b222c830b - Changed interface for AES and Camellia setkey functions to indicate invalid key lengths. 2009-07-27 21:03:45 +00:00
Paul Bakker
854963cee3 - Fixed include location of endian.h on FreeBSD (found by Gabriel) 2009-07-19 20:50:11 +00:00
Paul Bakker
38e2b482ff - Fixed typo in name of POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE. 2009-07-19 20:41:06 +00:00
Paul Bakker
fc22c441bc - Renamed RSA_RAW to SIG_RSA_RAW for consistency in the code. 2009-07-19 20:36:27 +00:00
Paul Bakker
f1fec19797 - Updated ChangeLog to reflect change in error codes 2009-07-19 20:29:42 +00:00
Paul Bakker
596d504da2 - Updated ChangeLog for old fix of Camellia and XTEA for 64-bit Windows systems 2009-07-11 21:06:01 +00:00
Paul Bakker
6e61ea1320 - Updated ChangeLog 2009-07-11 20:44:12 +00:00
Paul Bakker
2fd71f0757 - Fixed HMAC-MD2 by modifying md2_starts(), so that the required HMAC ipad and opad variables are not cleared! 2009-07-11 20:40:58 +00:00
Paul Bakker
765687985a - Fixed formatting of ChangeLog 2009-07-11 18:39:36 +00:00
Paul Bakker
1a9382ea80 - Prevented use of long long in bignum if POLARSSL_HAVE_LONGLONG not defined (found by Giles Bathgate). 2009-07-11 16:35:32 +00:00
Paul Bakker
37940d9ff6 - Added test coverage for X509parse
- Fixed segfault in rsa_check_privkey() and rsa_check_pubkey() and added test
2009-07-10 22:38:58 +00:00
Paul Bakker
367dae44b2 - Added CMake makefiles as alternative to regular Makefiles.
- Added preliminary Code Coverage tests for AES, ARC4, Base64, MPI, SHA-family, MD-family and  HMAC-SHA-family.
2009-06-28 21:50:27 +00:00
Paul Bakker
48eab260e9 - Corrected is_prime() results for 0, 1 and 2 (found by code coverage tests) 2009-06-25 21:25:49 +00:00
Paul Bakker
ce40a6d21d - Fixed incorrect handling of negative first input value in mpi_mod_mpi() and mpi_mod_int(). Resulting change also affects mpi_write_string() (found by code coverage tests). 2009-06-23 19:46:08 +00:00
Paul Bakker
1ef7a53fa2 - Fixed incorrect handling of negative first input value in mpi_sub_abs() (found by code coverage tests). 2009-06-20 10:50:55 +00:00
Paul Bakker
f7ca7b99dd - Fixed incorrect handling of one single negative input value in mpi_add_abs() (found by code coverage tests). 2009-06-20 10:31:06 +00:00
Paul Bakker
05feca6f7c - Fixed incorrect handling of negative strings in mpi_read_string() (found by code coverage tests). 2009-06-20 08:22:43 +00:00
Paul Bakker
a86cd2dfcd - Updated ChangeLog for rsa.c change 2009-05-17 10:27:03 +00:00
Paul Bakker
fdca45fded - Fixed ChangeLog 2009-05-03 16:06:43 +00:00
Paul Bakker
b44f3be436 - Updated ChangeLog to include XTEA and Camellia support on 64-bit platforms. 2009-05-03 13:12:27 +00:00
Paul Bakker
40ea7de46d - Added CRL revocation support to x509parse_verify()
- Fixed an off-by-one allocation in ssl_set_hostname()
 - Added CRL support to SSL/TLS code
2009-05-03 10:18:48 +00:00
Paul Bakker
34a9056f39 - POLARSSL_HAVE_ASM also used in padlock and timing code. 2009-04-19 21:17:09 +00:00
Paul Bakker
1d4f30ca4d - Made net_htons() endian-clean for big endian. 2009-04-19 18:55:16 +00:00
Paul Bakker
2b245ebd9f - Moved file loading to load_file 2009-04-19 18:44:26 +00:00
Paul Bakker
6335fafd74 - Added x509parse_crt() fix 2009-03-28 18:54:06 +00:00
Paul Bakker
ebb2bebbe2 - Added genprime fix 2009-03-28 17:52:44 +00:00
Paul Bakker
4593aeadaf - Added support for RFC4055 SHA2 and SHA4 signature algorithms for
use with PKCS#1 v1.5 signing and verification.
 - Added extra certificates to test-ca and test code to further test
   functionality of SHA2 and SHA4 signing and verification.
 - Updated other program files accordingly
2009-02-09 22:32:35 +00:00
Paul Bakker
4e0d7ca233 - Fixed a bug in mpi_gcd() that prevented correct funtioning when both input numbers are even. 2009-01-29 22:24:33 +00:00
Paul Bakker
71cd2c6fbd - Updated version from 0.10 to 0.10.0 2009-01-15 19:45:54 +00:00
Paul Bakker
f1306186d0 - Updated Changelog 2009-01-12 21:50:17 +00:00
Paul Bakker
72989ffcaf - Updated ChangeLog 2009-01-11 20:26:11 +00:00
Paul Bakker
38119b18d6 - Added first version of Camellia 2009-01-10 23:31:23 +00:00
Paul Bakker
7a7c78fd02 - Added XTEA Algorithm (Not used in SSL) 2009-01-04 18:15:48 +00:00
Paul Bakker
b749d68f9c - Updates to PolarSSL
- Added ignores
2009-01-04 16:08:55 +00:00
Paul Bakker
5121ce5bdb - Renamed include directory to polarssl 2009-01-03 21:22:43 +00:00