Use the ASN.1 decoder's SC_ASN1_BIT_FIELD decoder to properly decode
into a machine word. As _bitstring_extension is used only for the OID
2.5.29.15 by all callers, which is at most 9 bits wide, this is a
reasonable thing to do.
* Includes adding support for parsing extensions from a certificate.
* Move lebytes2ushort() to related functions in internals.h
* Adds Simple TLV related functions
if no extensions are found, val was uninitialized.
If multiple extensions, val was not freed for non interestinf extensions.
COmments dind not have valid OID values.
On branch piv-keyusage
Changes to be committed:
modified: pkcs15-cert.c
# VTA: closes#905
The code attempted to handle extensions assuming extensions were ordered. The
only extension it handled was crl's, but the handling was wrong and I didn't
find any actual use of the crl code. I've changed it to cache all the extensions
and then provided accessors functions to read a specific extension. I needed this
to read the key Usage, but the extension fetching code can work with any extension
(though the caller will need to parse the result. I also added code that parses DN
and returns a specifically requested DN component. I needed this to get the Common
Name for the certificate Subject. This gives the token a 'unique' name rather than
some generic name (like CAC-I or CAC-II). Both of these can be used to enhance the
piv support as well.
rebased by VTA
Closes#852
sc_pkcs15_pubkey_from_spki_sequence() takes the ASN1 'subjectPublicKeyInfo' data
sc_pkcs15_pubkey_from_spki_fields() takes the ASN1 'subjectPublicKeyInfo' data without outter SEQUENCE tag
To hold the raw certificate blob in 'sc_pkcs15_cert' data use the 'sc_pkcs15_der' data type.
also:
; in 'pkcs15-cert.c' use short call of the debug messages;
; in 'destroy-object' pkcs15 framework handler take into account the multi-application cards:
-- when binding card use the application info;
-- when finalizing profile use the application ID.
to pkcs15-pubkey.c and call the new sc_pkcs15_pubkey_from_spki.
Add sc_pkcs15_pubkey_from_spki_filename to allow a file to
contain the subjectPubkeyInfo, which will be used the the PIV
driver when EC is implemented. The format of the file, is the
same as an X509 certificate subjectPublicKeyInfo and what
OpenSSL calls an EVP_PKEY, which includes the algorithm,
any parameters and the public key.
git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@4874 c6295689-39f2-0310-b995-f0e70906c6a9
sc_pkcs15_cert now has pointer to sc_pkcs15_pubkey, allowing it to
be removed and used separatly.
sc_pkcs15_pubkey now has pointer to sc_algorithm_id to faclitate
addition of other key algorithms and their parameters.
Various code changes to free these structures and references
to the structures have been changed.
git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@4805 c6295689-39f2-0310-b995-f0e70906c6a9
From http://en.wikipedia.org/wiki/Malloc#Casting_and_type_safety
" Casting and type safety
malloc returns a void pointer (void *), which indicates that it is a
pointer to a region of unknown data type. One may "cast" (see type
conversion) this pointer to a specific type, as in
int *ptr = (int*)malloc(10 * sizeof (int));
When using C, this is considered bad practice; it is redundant under the
C standard. Moreover, putting in a cast may mask failure to include the
header stdlib.h, in which the prototype for malloc is found. In the
absence of a prototype for malloc, the C compiler will assume that
malloc returns an int, and will issue a warning in a context such as the
above, provided the error is not masked by a cast. On certain
architectures and data models (such as LP64 on 64 bit systems, where
long and pointers are 64 bit and int is 32 bit), this error can actually
result in undefined behavior, as the implicitly declared malloc returns
a 32 bit value whereas the actually defined function returns a 64 bit
value. Depending on calling conventions and memory layout, this may
result in stack smashing.
The returned pointer need not be explicitly cast to a more specific
pointer type, since ANSI C defines an implicit conversion between the
void pointer type and other pointers to objects. An explicit cast of
malloc's return value is sometimes performed because malloc originally
returned a char *, but this cast is unnecessary in standard C
code.[4][5] Omitting the cast, however, creates an incompatibility with
C++, which does require it.
The lack of a specific pointer type returned from malloc is type-unsafe
behaviour: malloc allocates based on byte count but not on type. This
distinguishes it from the C++ new operator that returns a pointer whose
type relies on the operand. (see C Type Safety). "
See also
http://www.opensc-project.org/pipermail/opensc-devel/2010-August/014586.html
git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@4636 c6295689-39f2-0310-b995-f0e70906c6a9
* reduce to a few, supported functions.
* change all functions to take the debug level as parameter.
* use symbolic names for the debug levels.
* fix tools to pass "verbose"/"opt_debug" as ctx->debug.
git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@4118 c6295689-39f2-0310-b995-f0e70906c6a9
building PC/SC, OpenCT or USBToken support,
use ifdef's directly in source.
- Because of above, add HAVE_PCSCLITE for winconfig.h
- Remove unnecessary includes for log.h, opensc.h and
errors.h in libopensc sources, they're already taken
care by internal.h.
git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@1406 c6295689-39f2-0310-b995-f0e70906c6a9