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A 'peek' parameter has also been added to ssl3_read_bytes, which
does the actual work for ssl3_read_internal.
[Bodo Moeller]
*) Initialise "ex_data" member of RSA/DSA/DH structures prior to calling
the method-specific "init()" handler. Also clean up ex_data after
calling the method-specific "finish()" handler. Previously, this was
happening the other way round.
[Geoff Thorpe]
*) Increase BN_CTX_NUM (the number of BIGNUMs in a BN_CTX) to 16.
The previous value, 12, was not always sufficient for BN_mod_exp().
[Bodo Moeller]
*) Make sure that shared libraries get the internal name engine with
the full version number and not just 0. This should mark the
shared libraries as not backward compatible. Of course, this should
be changed again when we can guarantee backward binary compatibility.
[Richard Levitte]
*) Fix typo in get_cert_by_subject() in by_dir.c
[Jean-Marc Desperrier <jean-marc.desperrier@certplus.com>]
*) Rework the system to generate shared libraries:
- Make note of the expected extension for the shared libraries and
if there is a need for symbolic links from for example libcrypto.so.0
to libcrypto.so.0.9.7. There is extended info in Configure for
that.
- Make as few rebuilds of the shared libraries as possible.
- Still avoid linking the OpenSSL programs with the shared libraries.
- When installing, install the shared libraries separately from the
static ones.
[Richard Levitte]
*) Fix SSL_CTX_set_read_ahead macro to actually use its argument.
Copy SSL_CTX's read_ahead flag to SSL object directly in SSL_new
and not in SSL_clear because the latter is also used by the
accept/connect functions; previously, the settings made by
SSL_set_read_ahead would be lost during the handshake.
[Bodo Moeller; problems reported by Anders Gertz <gertz@epact.se>]
*) Correct util/mkdef.pl to be selective about disabled algorithms.
Previously, it would create entries for disableed algorithms no
matter what.
[Richard Levitte]
*) Added several new manual pages for SSL_* function.
[Lutz Jaenicke]
Changes between 0.9.5a and 0.9.6 [24 Sep 2000]
*) In ssl23_get_client_hello, generate an error message when faced
with an initial SSL 3.0/TLS record that is too small to contain the
first two bytes of the ClientHello message, i.e. client_version.
(Note that this is a pathologic case that probably has never happened
in real life.) The previous approach was to use the version number
should not depend on that one because it is not authenticated
by the Finished messages.
[Bodo Moeller]
*) More robust randomness gathering functions for Windows.
[Jeffrey Altman <jaltman@columbia.edu>]
*) For compatibility reasons if the flag X509_V_FLAG_ISSUER_CHECK is
not set then we don't setup the error code for issuer check errors
to avoid possibly overwriting other errors which the callback does
handle. If an application does set the flag then we assume it knows
what it is doing and can handle the new informational codes
appropriately.
[Steve Henson]
*) Fix for a nasty bug in ASN1_TYPE handling. ASN1_TYPE is used for
a general "ANY" type, as such it should be able to decode anything
including tagged types. However it didn't check the class so it would
wrongly interpret tagged types in the same way as their universal
counterpart and unknown types were just rejected. Changed so that the
tagged and unknown types are handled in the same way as a SEQUENCE:
that is the encoding is stored intact. There is also a new type
"V_ASN1_OTHER" which is used when the class is not universal, in this
case we have no idea what the actual type is so we just lump them all
together.
[Steve Henson]
*) On VMS, stdout may very well lead to a file that is written to
in a record-oriented fashion. That means that every write() will
write a separate record, which will be read separately by the
programs trying to read from it. This can be very confusing.
The solution is to put a BIO filter in the way that will buffer
text until a linefeed is reached, and then write everything a
line at a time, so every record written will be an actual line,
not chunks of lines and not (usually doesn't happen, but I've
seen it once) several lines in one record. BIO_f_linebuffer() is
the answer.
Currently, it's a VMS-only method, because that's where it has
been tested well enough.
[Richard Levitte]
*) Remove 'optimized' squaring variant in BN_mod_mul_montgomery,
(Note: The buggy variant was not enabled in OpenSSL 0.9.5a,
but it was in 0.9.6-beta[12].)
*) Disable the check for content being present when verifying detached
signatures in pk7_smime.c. Some versions of Netscape (wrongly)
include zero length content when signing messages.
[Steve Henson]
*) New BIO_shutdown_wr macro, which invokes the BIO_C_SHUTDOWN_WR
BIO_ctrl (for BIO pairs).
*) Add DSO method for VMS.
[Richard Levitte]
*) Bug fix: Montgomery multiplication could produce results with the
wrong sign.
[Ulf Möller]
*) Add RPM specification openssl.spec and modify it to build three
packages. The default package contains applications, application
documentation and run-time libraries. The devel package contains
include files, static libraries and function documentation. The
doc package contains the contents of the doc directory. The original
openssl.spec was provided by Damien Miller <djm@mindrot.org>.
[Richard Levitte]
*) Add a large number of documentation files for many SSL routines.
[Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE>]
*) Add a configuration entry for Sony News 4.
[NAKAJI Hiroyuki <nakaji@tutrp.tut.ac.jp>]
*) Don't set the two most significant bits to one when generating a
random number < q in the DSA library.
[Ulf Möller]
*) New SSL API mode 'SSL_MODE_AUTO_RETRY'. This disables the default
behaviour that SSL_read may result in SSL_ERROR_WANT_READ (even if
the underlying transport is blocking) if a handshake took place.
(The default behaviour is needed by applications such as s_client
and s_server that use select() to determine when to use SSL_read;
but for applications that know in advance when to expect data, it
just makes things more complicated.)
[Bodo Moeller]
*) Add RAND_egd_bytes(), which gives control over the number of bytes read
from EGD.
[Ben Laurie]
*) Add a few more EBCDIC conditionals that make `req' and `x509'
work better on such systems.
[Martin Kraemer <Martin.Kraemer@MchP.Siemens.De>]
*) Add two demo programs for PKCS12_parse() and PKCS12_create().
Update PKCS12_parse() so it copies the friendlyName and the
keyid to the certificates aux info.
[Steve Henson]
*) Fix bug in PKCS7_verify() which caused an infinite loop
if there was more than one signature.
[Sven Uszpelkat <su@celocom.de>]
*) Major change in util/mkdef.pl to include extra information
about each symbol, as well as presentig variables as well
as functions. This change means that there's n more need
to rebuild the .num files when some algorithms are excluded.
[Richard Levitte]
*) Allow the verify time to be set by an application,
rather than always using the current time.
[Steve Henson]
*) Phase 2 verify code reorganisation. The certificate
verify code now looks up an issuer certificate by a
number of criteria: subject name, authority key id
and key usage. It also verifies self signed certificates
by the same criteria. The main comparison function is
X509_check_issued() which performs these checks.
Lot of changes were necessary in order to support this
without completely rewriting the lookup code.
Authority and subject key identifier are now cached.
The LHASH 'certs' is X509_STORE has now been replaced
by a STACK_OF(X509_OBJECT). This is mainly because an
LHASH can't store or retrieve multiple objects with
the same hash value.
As a result various functions (which were all internal
use only) have changed to handle the new X509_STORE
structure. This will break anything that messed round
with X509_STORE internally.
The functions X509_STORE_add_cert() now checks for an
exact match, rather than just subject name.
The X509_STORE API doesn't directly support the retrieval
of multiple certificates matching a given criteria, however
this can be worked round by performing a lookup first
(which will fill the cache with candidate certificates)
and then examining the cache for matches. This is probably
the best we can do without throwing out X509_LOOKUP
entirely (maybe later...).
The X509_VERIFY_CTX structure has been enhanced considerably.
All certificate lookup operations now go via a get_issuer()
callback. Although this currently uses an X509_STORE it
can be replaced by custom lookups. This is a simple way
to bypass the X509_STORE hackery necessary to make this
work and makes it possible to use more efficient techniques
in future. A very simple version which uses a simple
STACK for its trusted certificate store is also provided
using X509_STORE_CTX_trusted_stack().
The verify_cb() and verify() callbacks now have equivalents
in the X509_STORE_CTX structure.
X509_STORE_CTX also has a 'flags' field which can be used
to customise the verify behaviour.
[Steve Henson]
*) Add new PKCS#7 signing option PKCS7_NOSMIMECAP which
excludes S/MIME capabilities.
[Steve Henson]
*) When a certificate request is read in keep a copy of the
original encoding of the signed data and use it when outputing
again. Signatures then use the original encoding rather than
a decoded, encoded version which may cause problems if the
request is improperly encoded.
[Steve Henson]
*) For consistency with other BIO_puts implementations, call
buffer_write(b, ...) directly in buffer_puts instead of calling
BIO_write(b, ...).
In BIO_puts, increment b->num_write as in BIO_write.
*) Fix BN_mul_word for the case where the word is 0. (We have to use
BN_zero, we may not return a BIGNUM with an array consisting of
words set to zero.)
[Bodo Moeller]
*) Avoid calling abort() from within the library when problems are
detected, except if preprocessor symbols have been defined
(such as REF_CHECK, BN_DEBUG etc.).
[Bodo Moeller]
*) New openssl application 'rsautl'. This utility can be
used for low level RSA operations. DER public key
BIO/fp routines also added.
[Steve Henson]
*) New Configure entry and patches for compiling on QNX 4.
[Andreas Schneider <andreas@ds3.etech.fh-hamburg.de>]
*) A demo state-machine implementation was sponsored by
Nuron (http://www.nuron.com/) and is now available in
demos/state_machine.
[Ben Laurie]
*) New options added to the 'dgst' utility for signature
generation and verification.
[Steve Henson]
*) Unrecognized PKCS#7 content types are now handled via a
catch all ASN1_TYPE structure. This allows unsupported
types to be stored as a "blob" and an application can
encode and decode it manually.
[Steve Henson]
*) Fix various signed/unsigned issues to make a_strex.c
compile under VC++.
[Oscar Jacobsson <oscar.jacobsson@celocom.com>]
*) ASN1 fixes. i2d_ASN1_OBJECT was not returning the correct
length if passed a buffer. ASN1_INTEGER_to_BN failed
if passed a NULL BN and its argument was negative.
[Steve Henson, pointed out by Sven Heiberg <sven@tartu.cyber.ee>]
*) Modification to PKCS#7 encoding routines to output definite
length encoding. Since currently the whole structures are in
memory there's not real point in using indefinite length
constructed encoding. However if OpenSSL is compiled with
the flag PKCS7_INDEFINITE_ENCODING the old form is used.
[Steve Henson]
*) Added BIO_vprintf() and BIO_vsnprintf().
[Richard Levitte]
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*) Added more prefixes to parse for in the the strings written
through a logging bio, to cover all the levels that are available
through syslog. The prefixes are now:
PANIC, EMERG, EMR => LOG_EMERG
ALERT, ALR => LOG_ALERT
CRIT, CRI => LOG_CRIT
ERROR, ERR => LOG_ERR
WARNING, WARN, WAR => LOG_WARNING
NOTICE, NOTE, NOT => LOG_NOTICE
INFO, INF => LOG_INFO
DEBUG, DBG => LOG_DEBUG
and as before, if none of those prefixes are present at the
beginning of the string, LOG_ERR is chosen.
On Win32, the LOG_* levels are mapped according to this:
LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR => EVENTLOG_ERROR_TYPE
LOG_WARNING => EVENTLOG_WARNING_TYPE
LOG_NOTICE, LOG_INFO, LOG_DEBUG => EVENTLOG_INFORMATION_TYPE
[Richard Levitte]
*) Made it possible to reconfigure with just the configuration
argument "reconf" or "reconfigure". The command line arguments
are stored in Makefile.ssl in the variable CONFIGURE_ARGS,
and are retrieved from there when reconfiguring.
[Richard Levitte]
Richard Levitte
committed
*) MD4 implemented.
[Assar Westerlund <assar@sics.se>, Richard Levitte]
Richard Levitte
committed
*) Add the arguments -CAfile and -CApath to the pkcs12 utility.
[Richard Levitte]
*) The obj_dat.pl script was messing up the sorting of object
names. The reason was that it compared the quoted version
of strings as a result "OCSP" > "OCSP Signing" because
" > SPACE. Changed script to store unquoted versions of
names and add quotes on output. It was also omitting some
names from the lookup table if they were given a default
value (that is if SN is missing it is given the same
value as LN and vice versa), these are now added on the
grounds that if an object has a name we should be able to
look it up. Finally added warning output when duplicate
short or long names are found.
[Steve Henson]
Dr. Stephen Henson
committed
*) Changes needed for Tandem NSK.
Dr. Stephen Henson
committed
*) Fix SSL 2.0 rollback checking: Due to an off-by-one error in
RSA_padding_check_SSLv23(), special padding was never detected
and thus the SSL 3.0/TLS 1.0 countermeasure against protocol
version rollback attacks was not effective.
In s23_clnt.c, don't use special rollback-attack detection padding
(RSA_SSLV23_PADDING) if SSL 2.0 is the only protocol enabled in the
client; similarly, in s23_srvr.c, don't do the rollback check if
SSL 2.0 is the only protocol enabled in the server.
[Bodo Moeller]
*) Make it possible to get hexdumps of unprintable data with 'openssl
asn1parse'. By implication, the functions ASN1_parse_dump() and
BIO_dump_indent() are added.
[Richard Levitte]
*) New functions ASN1_STRING_print_ex() and X509_NAME_print_ex()
these print out strings and name structures based on various
flags including RFC2253 support and proper handling of
multibyte characters. Added options to the 'x509' utility
to allow the various flags to be set.
[Steve Henson]
*) Various fixes to use ASN1_TIME instead of ASN1_UTCTIME.
Also change the functions X509_cmp_current_time() and
X509_gmtime_adj() work with an ASN1_TIME structure,
this will enable certificates using GeneralizedTime in validity
dates to be checked.
[Steve Henson]
*) Make the NEG_PUBKEY_BUG code (which tolerates invalid
negative public key encodings) on by default,
NO_NEG_PUBKEY_BUG can be set to disable it.
[Steve Henson]
*) New function c2i_ASN1_OBJECT() which acts on ASN1_OBJECT
content octets. An i2c_ASN1_OBJECT is unnecessary because
the encoding can be trivially obtained from the structure.
[Steve Henson]
*) crypto/err.c locking bugfix: Use write locks (CRYPTO_w_[un]lock),
not read locks (CRYPTO_r_[un]lock).
[Bodo Moeller]
*) A first attempt at creating official support for shared
libraries through configuration. I've kept it so the
default is static libraries only, and the OpenSSL programs
are always statically linked for now, but there are
preparations for dynamic linking in place.
This has been tested on Linux and Tru64.
[Richard Levitte]
*) Randomness polling function for Win9x, as described in:
Peter Gutmann, Software Generation of Practically Strong
Random Numbers.
[Ulf Möller]
*) Fix so PRNG is seeded in req if using an already existing
DSA key.
[Steve Henson]
*) New options to smime application. -inform and -outform
allow alternative formats for the S/MIME message including
PEM and DER. The -content option allows the content to be
specified separately. This should allow things like Netscape
form signing output easier to verify.
[Steve Henson]
*) Fix the ASN1 encoding of tags using the 'long form'.
[Steve Henson]
*) New ASN1 functions, i2c_* and c2i_* for INTEGER and BIT
STRING types. These convert content octets to and from the
underlying type. The actual tag and length octets are
already assumed to have been read in and checked. These
are needed because all other string types have virtually
identical handling apart from the tag. By having versions
of the ASN1 functions that just operate on content octets
IMPLICIT tagging can be handled properly. It also allows
the ASN1_ENUMERATED code to be cut down because ASN1_ENUMERATED
and ASN1_INTEGER are identical apart from the tag.
[Steve Henson]
*) Change the handling of OID objects as follows:
- New object identifiers are inserted in objects.txt, following
the syntax given in objects.README.
- objects.pl is used to process obj_mac.num and create a new
obj_mac.h.
- obj_dat.pl is used to create a new obj_dat.h, using the data in
obj_mac.h.
This is currently kind of a hack, and the perl code in objects.pl
isn't very elegant, but it works as I intended. The simplest way
to check that it worked correctly is to look in obj_dat.h and
check the array nid_objs and make sure the objects haven't moved
around (this is important!). Additions are OK, as well as
consistent name changes.
[Richard Levitte]
*) Add BSD-style MD5-based passwords to 'openssl passwd' (option '-1').
[Bodo Moeller]
*) Addition of the command line parameter '-rand file' to 'openssl req'.
The given file adds to whatever has already been seeded into the
random pool through the RANDFILE configuration file option or
environment variable, or the default random state file.
*) mkstack.pl now sorts each macro group into lexical order.
Previously the output order depended on the order the files
appeared in the directory, resulting in needless rewriting
of safestack.h .
[Steve Henson]
*) Patches to make OpenSSL compile under Win32 again. Mostly
work arounds for the VC++ problem that it treats func() as
func(void). Also stripped out the parts of mkdef.pl that
added extra typesafe functions: these no longer exist.
[Steve Henson]
*) Reorganisation of the stack code. The macros are now all
collected in safestack.h . Each macro is defined in terms of
a "stack macro" of the form SKM_<name>(type, a, b). The
DEBUG_SAFESTACK is now handled in terms of function casts,
this has the advantage of retaining type safety without the
use of additional functions. If DEBUG_SAFESTACK is not defined
then the non typesafe macros are used instead. Also modified the
mkstack.pl script to handle the new form. Needs testing to see
if which (if any) compilers it chokes and maybe make DEBUG_SAFESTACK
the default if no major problems. Similar behaviour for ASN1_SET_OF
and PKCS12_STACK_OF.
[Steve Henson]
*) When some versions of IIS use the 'NET' form of private key the
key derivation algorithm is different. Normally MD5(password) is
used as a 128 bit RC4 key. In the modified case
MD5(MD5(password) + "SGCKEYSALT") is used insted. Added some
new functions i2d_RSA_NET(), d2i_RSA_NET() etc which are the same
as the old Netscape_RSA functions except they have an additional
'sgckey' parameter which uses the modified algorithm. Also added
an -sgckey command line option to the rsa utility. Thanks to
Adrian Peck <bertie@ncipher.com> for posting details of the modified
algorithm to openssl-dev.
[Steve Henson]
*) The evp_local.h macros were using 'c.##kname' which resulted in
invalid expansion on some systems (SCO 5.0.5 for example).
Corrected to 'c.kname'.
[Phillip Porch <root@theporch.com>]
*) New X509_get1_email() and X509_REQ_get1_email() functions that return
a STACK of email addresses from a certificate or request, these look
in the subject name and the subject alternative name extensions and
omit any duplicate addresses.
[Steve Henson]
*) Re-implement BN_mod_exp2_mont using independent (and larger) windows.
This makes DSA verification about 2 % faster.
[Bodo Moeller]
*) Increase maximum window size in BN_mod_exp_... to 6 bits instead of 5
(meaning that now 2^5 values will be precomputed, which is only 4 KB
plus overhead for 1024 bit moduli).
This makes exponentiations about 0.5 % faster for 1024 bit
exponents (as measured by "openssl speed rsa2048").
[Bodo Moeller]
*) Rename memory handling macros to avoid conflicts with other
software:
Malloc => OPENSSL_malloc
Malloc_locked => OPENSSL_malloc_locked
Realloc => OPENSSL_realloc
Free => OPENSSL_free
[Richard Levitte]
*) New function BN_mod_exp_mont_word for small bases (roughly 15%
faster than BN_mod_exp_mont, i.e. 7% for a full DH exchange).
*) CygWin32 support.
[John Jarvie <jjarvie@newsguy.com>]
*) The type-safe stack code has been rejigged. It is now only compiled
in when OpenSSL is configured with the DEBUG_SAFESTACK option and
by default all type-specific stack functions are "#define"d back to
standard stack functions. This results in more streamlined output
but retains the type-safety checking possibilities of the original
approach.
[Geoff Thorpe]
*) The STACK code has been cleaned up, and certain type declarations
that didn't make a lot of sense have been brought in line. This has
also involved a cleanup of sorts in safestack.h to more correctly
map type-safe stack functions onto their plain stack counterparts.
This work has also resulted in a variety of "const"ifications of
lots of the code, especially "_cmp" operations which should normally
be prototyped with "const" parameters anyway.
[Geoff Thorpe]
*) When generating bytes for the first time in md_rand.c, 'stir the pool'
by seeding with STATE_SIZE dummy bytes (with zero entropy count).
(The PRNG state consists of two parts, the large pool 'state' and 'md',
where all of 'md' is used each time the PRNG is used, but 'state'
is used only indexed by a cyclic counter. As entropy may not be
well distributed from the beginning, 'md' is important as a
chaining variable. However, the output function chains only half
of 'md', i.e. 80 bits. ssleay_rand_add, on the other hand, chains
all of 'md', and seeding with STATE_SIZE dummy bytes will result
in all of 'state' being rewritten, with the new values depending
on virtually all of 'md'. This overcomes the 80 bit limitation.)
[Bodo Moeller]
*) In ssl/s2_clnt.c and ssl/s3_clnt.c, call ERR_clear_error() when
the handshake is continued after ssl_verify_cert_chain();
otherwise, if SSL_VERIFY_NONE is set, remaining error codes
can lead to 'unexplainable' connection aborts later.
[Bodo Moeller; problem tracked down by Lutz Jaenicke]
*) Major EVP API cipher revision.
Add hooks for extra EVP features. This allows various cipher
parameters to be set in the EVP interface. Support added for variable
key length ciphers via the EVP_CIPHER_CTX_set_key_length() function and
setting of RC2 and RC5 parameters.
Modify EVP_OpenInit() and EVP_SealInit() to cope with variable key length
ciphers.
Remove lots of duplicated code from the EVP library. For example *every*
cipher init() function handles the 'iv' in the same way according to the
cipher mode. They also all do nothing if the 'key' parameter is NULL and
for CFB and OFB modes they zero ctx->num.
Most of the routines have the same form and so can be declared in terms
of macros.
By shifting this to the top level EVP_CipherInit() it can be removed from
all individual ciphers. If the cipher wants to handle IVs or keys
differently it can set the EVP_CIPH_CUSTOM_IV or EVP_CIPH_ALWAYS_CALL_INIT
flags.
Change lots of functions like EVP_EncryptUpdate() to now return a
value: although software versions of the algorithms cannot fail
any installed hardware versions can.
*) Implement SSL_OP_TLS_ROLLBACK_BUG: In ssl3_get_client_key_exchange, if
this option is set, tolerate broken clients that send the negotiated
protocol version number instead of the requested protocol version
number.
[Bodo Moeller]
*) Call dh_tmp_cb (set by ..._TMP_DH_CB) with correct 'is_export' flag;
i.e. non-zero for export ciphersuites, zero otherwise.
Previous versions had this flag inverted, inconsistent with
rsa_tmp_cb (..._TMP_RSA_CB).
[Bodo Moeller; problem reported by Amit Chopra]
*) Add missing DSA library text string. Work around for some IIS
key files with invalid SEQUENCE encoding.
[Steve Henson]
*) Add a document (doc/standards.txt) that list all kinds of standards
and so on that are implemented in OpenSSL.
[Richard Levitte]
*) Enhance c_rehash script. Old version would mishandle certificates
with the same subject name hash and wouldn't handle CRLs at all.
Added -fingerprint option to crl utility, to support new c_rehash
features.
[Steve Henson]
*) Eliminate non-ANSI declarations in crypto.h and stack.h.
*) Fix for SSL server purpose checking. Server checking was
rejecting certificates which had extended key usage present
but no ssl client purpose.
[Steve Henson, reported by Rene Grosser <grosser@hisolutions.com>]
*) Make PKCS#12 code work with no password. The PKCS#12 spec
is a little unclear about how a blank password is handled.
Since the password in encoded as a BMPString with terminating
double NULL a zero length password would end up as just the
double NULL. However no password at all is different and is
handled differently in the PKCS#12 key generation code. NS
treats a blank password as zero length. MSIE treats it as no
password on export: but it will try both on import. We now do
the same: PKCS12_parse() tries zero length and no password if
the password is set to "" or NULL (NULL is now a valid password:
it wasn't before) as does the pkcs12 application.
[Steve Henson]
*) Bugfixes in apps/x509.c: Avoid a memory leak; and don't use
perror when PEM_read_bio_X509_REQ fails, the error message must
be obtained from the error queue.
[Bodo Moeller]
*) Avoid 'thread_hash' memory leak in crypto/err/err.c by freeing
it in ERR_remove_state if appropriate, and change ERR_get_state
accordingly to avoid race conditions (this is necessary because
thread_hash is no longer constant once set).
[Bodo Moeller]
Geoff Thorpe
committed
*) RSA_get_default_method() will now cause a default
RSA_METHOD to be chosen if one doesn't exist already.
Previously this was only set during a call to RSA_new()
or RSA_new_method(NULL) meaning it was possible for
RSA_get_default_method() to return NULL.
[Geoff Thorpe]
*) Added native name translation to the existing DSO code
that will convert (if the flag to do so is set) filenames
that are sufficiently small and have no path information
into a canonical native form. Eg. "blah" converted to
"libblah.so" or "blah.dll" etc.
[Geoff Thorpe]
*) New function ERR_error_string_n(e, buf, len) which is like
ERR_error_string(e, buf), but writes at most 'len' bytes
including the 0 terminator. For ERR_error_string_n, 'buf'
may not be NULL.
[Damien Miller <djm@mindrot.org>, Bodo Moeller]
*) CONF library reworked to become more general. A new CONF
configuration file reader "class" is implemented as well as a
new functions (NCONF_*, for "New CONF") to handle it. The now
old CONF_* functions are still there, but are reimplemented to
work in terms of the new functions. Also, a set of functions
to handle the internal storage of the configuration data is
provided to make it easier to write new configuration file
reader "classes" (I can definitely see something reading a
configuration file in XML format, for example), called _CONF_*,
or "the configuration storage API"...
The new configuration file reading functions are:
NCONF_new, NCONF_free, NCONF_load, NCONF_load_fp, NCONF_load_bio,
NCONF_get_section, NCONF_get_string, NCONF_get_numbre
NCONF_default, NCONF_WIN32
NCONF_dump_fp, NCONF_dump_bio
NCONF_default and NCONF_WIN32 are method (or "class") choosers,
NCONF_new creates a new CONF object. This works in the same way
as other interfaces in OpenSSL, like the BIO interface.
NCONF_dump_* dump the internal storage of the configuration file,
which is useful for debugging. All other functions take the same
arguments as the old CONF_* functions wth the exception of the
first that must be a `CONF *' instead of a `LHASH *'.
To make it easer to use the new classes with the old CONF_* functions,
the function CONF_set_default_method is provided.
[Richard Levitte]
*) Add '-tls1' option to 'openssl ciphers', which was already
mentioned in the documentation but had not been implemented.
(This option is not yet really useful because even the additional
experimental TLS 1.0 ciphers are currently treated as SSL 3.0 ciphers.)
[Bodo Moeller]
*) Initial DSO code added into libcrypto for letting OpenSSL (and
OpenSSL-based applications) load shared libraries and bind to
them in a portable way.
[Geoff Thorpe, with contributions from Richard Levitte]
Changes between 0.9.5 and 0.9.5a [1 Apr 2000]
*) Make sure _lrotl and _lrotr are only used with MSVC.
*) Use lock CRYPTO_LOCK_RAND correctly in ssleay_rand_status
(the default implementation of RAND_status).
*) Rename openssl x509 option '-crlext', which was added in 0.9.5,
to '-clrext' (= clear extensions), as intended and documented.
[Bodo Moeller; inconsistency pointed out by Michael Attili
<attili@amaxo.com>]
*) Fix for HMAC. It wasn't zeroing the rest of the block if the key length
was larger than the MD block size.
[Steve Henson, pointed out by Yost William <YostW@tce.com>]
*) Modernise PKCS12_parse() so it uses STACK_OF(X509) for its ca argument
fix a leak when the ca argument was passed as NULL. Stop X509_PUBKEY_set()
using the passed key: if the passed key was a private key the result
of X509_print(), for example, would be to print out all the private key
components.
[Steve Henson]
*) des_quad_cksum() byte order bug fix.
[Ulf Möller, using the problem description in krb4-0.9.7, where
the solution is attributed to Derrick J Brashear <shadow@DEMENTIA.ORG>]
*) Fix so V_ASN1_APP_CHOOSE works again: however its use is strongly
discouraged.
[Steve Henson, pointed out by Brian Korver <briank@cs.stanford.edu>]
*) For easily testing in shell scripts whether some command
'openssl XXX' exists, the new pseudo-command 'openssl no-XXX'
returns with exit code 0 iff no command of the given name is available.
'no-XXX' is printed in this case, 'XXX' otherwise. In both cases,
the output goes to stdout and nothing is printed to stderr.
Additional arguments are always ignored.
Since for each cipher there is a command of the same name,
the 'no-cipher' compilation switches can be tested this way.
('openssl no-XXX' is not able to detect pseudo-commands such
as 'quit', 'list-XXX-commands', or 'no-XXX' itself.)
[Bodo Moeller]
*) Update test suite so that 'make test' succeeds in 'no-rsa' configuration.
[Bodo Moeller]
*) For SSL_[CTX_]set_tmp_dh, don't create a DH key if SSL_OP_SINGLE_DH_USE
is set; it will be thrown away anyway because each handshake creates
its own key.
ssl_cert_dup, which is used by SSL_new, now copies DH keys in addition
to parameters -- in previous versions (since OpenSSL 0.9.3) the
'default key' from SSL_CTX_set_tmp_dh would always be lost, meanining
you effectivly got SSL_OP_SINGLE_DH_USE when using this macro.
[Bodo Moeller]
*) New s_client option -ign_eof: EOF at stdin is ignored, and
'Q' and 'R' lose their special meanings (quit/renegotiate).
This is part of what -quiet does; unlike -quiet, -ign_eof
does not suppress any output.
[Richard Levitte]
purpose X509_PURPOSE_ANY is "any purpose" which automatically
accepts a certificate or CA, this was the previous behaviour,
with all the associated security issues.
X509_TRUST_COMPAT is the old trust behaviour: only and
automatically trust self signed roots in certificate store. A
new trust setting X509_TRUST_DEFAULT is used to specify that
a purpose has no associated trust setting and it should instead
use the value in the default purpose.
[Steve Henson]
*) Fix the PKCS#8 DSA private key code so it decodes keys again
and fix a memory leak.
[Steve Henson]
*) In util/mkerr.pl (which implements 'make errors'), preserve
reason strings from the previous version of the .c file, as
the default to have only downcase letters (and digits) in
automatically generated reasons codes is not always appropriate.
[Bodo Moeller]
*) In ERR_load_ERR_strings(), build an ERR_LIB_SYS error reason table
using strerror. Previously, ERR_reason_error_string() returned
library names as reason strings for SYSerr; but SYSerr is a special
case where small numbers are errno values, not library numbers.
[Bodo Moeller]
*) Add '-dsaparam' option to 'openssl dhparam' application. This
converts DSA parameters into DH parameters. (When creating parameters,
DSA_generate_parameters is used.)
[Bodo Moeller]
*) Include 'length' (recommended exponent length) in C code generated
by 'openssl dhparam -C'.
[Bodo Moeller]
*) The second argument to set_label in perlasm was already being used
so couldn't be used as a "file scope" flag. Moved to third argument
which was free.
[Steve Henson]
*) In PEM_ASN1_write_bio and some other functions, use RAND_pseudo_bytes
instead of RAND_bytes for encryption IVs and salts.
[Bodo Moeller]
*) Include RAND_status() into RAND_METHOD instead of implementing
it only for md_rand.c Otherwise replacing the PRNG by calling
RAND_set_rand_method would be impossible.
[Bodo Moeller]
*) Don't let DSA_generate_key() enter an infinite loop if the random
number generation fails.
[Bodo Moeller]
*) New 'rand' application for creating pseudo-random output.
[Bodo Moeller]
*) Added configuration support for Linux/IA64
[Rolf Haberrecker <rolf@suse.de>]
*) Assembler module support for Mingw32.
[Ulf Möller]
*) Shared library support for HPUX (in shlib/).
[Lutz Jaenicke <Lutz.Jaenicke@aet.TU-Cottbus.DE> and Anonymous]
*) Shared library support for Solaris gcc.
[Lutz Behnke <behnke@trustcenter.de>]
*) PKCS7_encrypt() was adding text MIME headers twice because they
were added manually and by SMIME_crlf_copy().
[Steve Henson]
*) In bntest.c don't call BN_rand with zero bits argument.
[Steve Henson, pointed out by Andrew W. Gray <agray@iconsinc.com>]
*) BN_mul bugfix: In bn_mul_part_recursion() only the a>a[n] && b>b[n]
case was implemented. This caused BN_div_recp() to fail occasionally.
*) Add an optional second argument to the set_label() in the perl
assembly language builder. If this argument exists and is set
to 1 it signals that the assembler should use a symbol whose
scope is the entire file, not just the current function. This
is needed with MASM which uses the format label:: for this scope.
[Steve Henson, pointed out by Peter Runestig <peter@runestig.com>]
*) Change the ASN1 types so they are typedefs by default. Before
almost all types were #define'd to ASN1_STRING which was causing
STACK_OF() problems: you couldn't declare STACK_OF(ASN1_UTF8STRING)
for example.
[Steve Henson]
*) Change names of new functions to the new get1/get0 naming
convention: After 'get1', the caller owns a reference count
and has to call ..._free; 'get0' returns a pointer to some
data structure without incrementing reference counters.
(Some of the existing 'get' functions increment a reference
counter, some don't.)
Similarly, 'set1' and 'add1' functions increase reference
counters or duplicate objects.
*) Allow for the possibility of temp RSA key generation failure:
the code used to assume it always worked and crashed on failure.
[Steve Henson]
*) Fix potential buffer overrun problem in BIO_printf().
[Ulf Möller, using public domain code by Patrick Powell; problem
pointed out by David Sacerdote <das33@cornell.edu>]
*) Support EGD <http://www.lothar.com/tech/crypto/>. New functions
RAND_egd() and RAND_status(). In the command line application,
the EGD socket can be specified like a seed file using RANDFILE
or -rand.
[Ulf Möller]
*) Allow the string CERTIFICATE to be tolerated in PKCS#7 structures.
Some CAs (e.g. Verisign) distribute certificates in this form.
[Steve Henson]
*) Remove the SSL_ALLOW_ADH compile option and set the default cipher
list to exclude them. This means that no special compilation option
is needed to use anonymous DH: it just needs to be included in the
cipher list.
[Steve Henson]
*) Change the EVP_MD_CTX_type macro so its meaning consistent with
EVP_MD_type. The old functionality is available in a new macro called
EVP_MD_md(). Change code that uses it and update docs.
[Steve Henson]
*) ..._ctrl functions now have corresponding ..._callback_ctrl functions
where the 'void *' argument is replaced by a function pointer argument.
Previously 'void *' was abused to point to functions, which works on
many platforms, but is not correct. As these functions are usually
called by macros defined in OpenSSL header files, most source code
should work without changes.
*) <openssl/opensslconf.h> (which is created by Configure) now contains
sections with information on -D... compiler switches used for
compiling the library so that applications can see them. To enable
one of these sections, a pre-processor symbol OPENSSL_..._DEFINES
must be defined. E.g.,
#define OPENSSL_ALGORITHM_DEFINES
#include <openssl/opensslconf.h>
defines all pertinent NO_<algo> symbols, such as NO_IDEA, NO_RSA, etc.
*) Bugfix: Tolerate fragmentation and interleaving in the SSL 3/TLS
record layer.
[Bodo Moeller]
*) Change the 'other' type in certificate aux info to a STACK_OF
X509_ALGOR. Although not an AlgorithmIdentifier as such it has
the required ASN1 format: arbitrary types determined by an OID.
[Steve Henson]
*) Add some PEM_write_X509_REQ_NEW() functions and a command line
argument to 'req'. This is not because the function is newer or
better than others it just uses the work 'NEW' in the certificate
request header lines. Some software needs this.
[Steve Henson]
*) Reorganise password command line arguments: now passwords can be
obtained from various sources. Delete the PEM_cb function and make
it the default behaviour: i.e. if the callback is NULL and the
usrdata argument is not NULL interpret it as a null terminated pass
phrase. If usrdata and the callback are NULL then the pass phrase
is prompted for as usual.
[Steve Henson]
*) Add support for the Compaq Atalla crypto accelerator. If it is installed,
the support is automatically enabled. The resulting binaries will
autodetect the card and use it if present.
[Ben Laurie and Compaq Inc.]
*) Work around for Netscape hang bug. This sends certificate request
and server done in one record. Since this is perfectly legal in the
SSL/TLS protocol it isn't a "bug" option and is on by default. See
the bugs/SSLv3 entry for more info.
[Steve Henson]
*) HP-UX tune-up: new unified configs, HP C compiler bug workaround.
[Andy Polyakov]
*) Add -rand argument to smime and pkcs12 applications and read/write
of seed file.
[Steve Henson]
*) Add command line password options to the remaining applications.
[Steve Henson]
*) Bug fix for BN_div_recp() for numerators with an even number of
bits.
[Ulf Möller]
*) More tests in bntest.c, and changed test_bn output.
[Ulf Möller]
*) ./config recognizes MacOS X now.
[Andy Polyakov]
*) Bug fix for BN_div() when the first words of num and divsor are