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Ralf S. Engelschall
committed
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Changes between 0.9.6 and 0.9.7 [xx XXX 2000]
*) Add a 'copy_extensions' option to the 'ca' utility. This copies
extensions from a certificate request to the certificate.
[Steve Henson]
*) Allow multiple 'certopt' and 'nameopt' options to be separated
by commas. Add 'namopt' and 'certopt' options to the 'ca' config
file: this allows the display of the certificate about to be
signed to be customised, to allow certain fields to be included
or excluded and extension details. The old system didn't display
multicharacter strings properly, omitted fields not in the policy
and couldn't display additional details such as extensions.
[Steve Henson]
*) Fix memory leaks in err.c: free err_data string if necessary;
don't write to the wrong index in ERR_set_error_data.
*) Function EC_POINTs_mul for simultaneous scalar multiplication
of an arbitrary number of elliptic curve points, optionally
including the generator defined for the EC_GROUP.
EC_POINT_mul is a simple wrapper function for the typical case
that the point list has just one item (besides the optional
generator).
[Bodo Moeller]
*) First EC_METHODs for curves over GF(p):
EC_GFp_simple_method() uses the basic BN_mod_mul and BN_mod_sqr
operations and provides various method functions that can also
operate with faster implementations of modular arithmetic.
EC_GFp_mont_method() reuses most functions that are part of
EC_GFp_simple_method, but uses Montgomery arithmetic.
[Bodo Moeller; point addition and point doubling
implementation directly derived from source code provided by
Lenka Fibikova <fibikova@exp-math.uni-essen.de>]
*) Framework for elliptic curves (crypto/ec/ec.h, crypto/ec/ec_lcl.h,
crypto/ec/ec_lib.c):
Curves are EC_GROUP objects (with an optional group generator)
based on EC_METHODs that are built into the library.
Points are EC_POINT objects based on EC_GROUP objects.
Most of the framework would be able to handle curves over arbitrary
finite fields, but as there are no obvious types for fields other
than GF(p), some functions are limited to that for now.
[Bodo Moeller]
*) Add the -HTTP option to s_server. It is similar to -WWW, but requires
that the file contains a complete HTTP response.
[Richard Levitte]
*) Add the ec directory to mkdef.pl and mkfiles.pl. In mkdef.pl
change the def and num file printf format specifier from "%-40sXXX"
to "%-39s XXX". The latter will always guarantee a space after the
field while the former will cause them to run together if the field
is 40 of more characters long.
[Steve Henson]
*) Constify the cipher and digest 'method' functions and structures
and modify related functions to take constant EVP_MD and EVP_CIPHER
pointers.
[Steve Henson]
*) Implement ssl23_peek (analogous to ssl23_read), which previously
did not exist.
[Bodo Moeller]
*) Replace rdtsc with _emit statements for VC++ version 5.
[Jeremy Cooper <jeremy@baymoo.org>]
*) Hide BN_CTX structure details in bn_lcl.h instead of publishing them
in <openssl/bn.h>. Also further increase BN_CTX_NUM to 32.
*) Modify EVP_Digest*() routines so they now return values. Although the
internal software routines can never fail additional hardware versions
might.
[Steve Henson]
*) Clean up crypto/err/err.h and change some error codes to avoid conflicts:
Previously ERR_R_FATAL was too small and coincided with ERR_LIB_PKCS7
(= ERR_R_PKCS7_LIB); it is now 64 instead of 32.
ASN1 error codes
ERR_R_NESTED_ASN1_ERROR
...
ERR_R_MISSING_ASN1_EOS
were 4 .. 9, conflicting with
ERR_LIB_RSA (= ERR_R_RSA_LIB)
...
ERR_LIB_PEM (= ERR_R_PEM_LIB).
They are now 58 .. 63 (i.e., just below ERR_R_FATAL).
Add new error code 'ERR_R_INTERNAL_ERROR'.
[Bodo Moeller]
*) Don't overuse locks in crypto/err/err.c: For data retrieval, CRYPTO_r_lock
suffices.
[Bodo Moeller]
*) New option '-subj arg' for 'openssl req' and 'openssl ca'. This
sets the subject name for a new request or supersedes the
subject name in a given request. Formats that can be parsed are
'CN=Some Name, OU=myOU, C=IT'
and
'CN=Some Name/OU=myOU/C=IT'.
Add options '-batch' and '-verbose' to 'openssl req'.
[Massimiliano Pala <madwolf@hackmasters.net>]
*) Make it possible to reuse SSLv2 sessions.
[Richard Levitte]
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*) Introduce the possibility to access global variables through
functions on platform were that's the best way to handle exporting
global variables in shared libraries. To enable this functionality,
one must configure with "EXPORT_VAR_AS_FN" or defined the C macro
"OPENSSL_EXPORT_VAR_AS_FUNCTION" in crypto/opensslconf.h (the latter
is normally done by Configure or something similar).
To implement a global variable, use the macro OPENSSL_IMPLEMENT_GLOBAL
in the source file (foo.c) like this:
OPENSSL_IMPLEMENT_GLOBAL(int,foo)=1;
OPENSSL_IMPLEMENT_GLOBAL(double,bar);
To declare a global variable, use the macros OPENSSL_DECLARE_GLOBAL
and OPENSSL_GLOBAL_REF in the header file (foo.h) like this:
OPENSSL_DECLARE_GLOBAL(int,foo);
#define foo OPENSSL_GLOBAL_REF(foo)
OPENSSL_DECLARE_GLOBAL(double,bar);
#define bar OPENSSL_GLOBAL_REF(bar)
The #defines are very important, and therefore so is including the
header file everywere where the defined globals are used.
The macro OPENSSL_EXPORT_VAR_AS_FUNCTION also affects the definition
of ASN.1 items, but that structure is a bt different.
The largest change is in util/mkdef.pl which has been enhanced with
better and easier to understand logic to choose which symbols should
go into the Windows .def files as well as a number of fixes and code
cleanup (among others, algorithm keywords are now sorted
lexicographically to avoid constant rewrites).
[Richard Levitte]
*) In copy_email() check for >= 0 as a return value for
X509_NAME_get_index_by_NID() since 0 is a valid index.
[Steve Henson reported by Massimiliano Pala <madwolf@opensca.org>]
*) In BN_div() keep a copy of the sign of 'num' before writing the
result to 'rm' because if rm==num the value will be overwritten
and produce the wrong result if 'num' is negative: this caused
problems with BN_mod() and BN_nnmod().
[Steve Henson]
*) Function OCSP_request_verify(). This checks the signature on an
OCSP request and verifies the signer certificate. The signer
certificate is just checked for a generic purpose and OCSP request
trust settings.
[Steve Henson]
*) Add OCSP_check_validity() function to check the validity of OCSP
responses. OCSP responses are prepared in real time and may only
be a few seconds old. Simply checking that the current time lies
between thisUpdate and nextUpdate max reject otherwise valid responses
caused by either OCSP responder or client clock innacuracy. Instead
we allow thisUpdate and nextUpdate to fall within a certain period of
the current time. The age of the response can also optionally be
checked. Two new options -validity_period and -status_age added to
ocsp utility.
[Steve Henson]
*) If signature or public key algorithm is unrecognized print out its
OID rather that just UNKOWN.
[Steve Henson]
*) Avoid coredump with unsupported or invalid public keys by checking if
X509_get_pubkey() fails in PKCS7_verify(). Fix memory leak when
PKCS7_verify() fails with non detached data.
[Steve Henson]
*) Change OCSP_cert_to_id() to tolerate a NULL subject certificate and
OCSP_cert_id_new() a NULL serialNumber. This allows a partial certificate
ID to be generated from the issuer certificate alone which can then be
passed to OCSP_id_issuer_cmp().
[Steve Henson]
*) New compilation option ASN1_ITEM_FUNCTIONS. This causes the new
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