On Friday 02 November 2007 12:13, Joel Christner wrote:
Please pardon the newbie question. I was curious if anyone had any links
or references that they could point me to for more details on how to use
blowfish.h with C? I've gone through the man pages but was hoping for
something more
On Saturday 28 July 2007 01:49, Pink Princess wrote:
*** glibc detected *** /home/noura/workspace/256OpenSSL/apps/openssl:
double free or corruption (!prev): 0x0820d170 ***
This is the most likely problem - you are free()ing memory that has already
been free()d. Maybe you are free()ing memory
On Monday 15 May 2006 17:44 pm, you wrote:
Hi all,
I have a quick question. Suppose i am doing RSA crypto. I cant seem to
figure out how i can choose a particular private key/public key. The
only api that seems to be provided is rsa_generate_key and the man
page says use the given api to
On Sunday 14 May 2006 18:54 pm, sefi wrote:
If anyone knows a way how to load a certificate from a file and obtain
it's X509* I would be glad.
PEM_read_bio_X509()
Brad
pgp9HIS1bW880.pgp
Description: PGP signature
On Thursday 11 May 2006 23:38 pm, John Pattern wrote:
I want to generate a simple OCSP request. What are the steps I must
follow using OpenSSL? Thank you for your help.
There is an openssl tool to do so - see:
http://www.openssl.org/docs/apps/ocsp.html
There is some detail, and a test server at
On Friday 21 April 2006 06:23 am, Fran Fabrizio wrote:
You have attempted to establish a connection to imap.cis.uab.edu.
However, the security certificate presented belongs to imap.cis.uab.edu.
Is that exactly how it is written? If so, you might have signed the
certificate with a FQDN (ending
On Sunday 16 April 2006 22:28 pm, Hagai Yaffe wrote:
I am using OpenSSL version 0.9.7d for cryptographic needs of my
application, among other uses I am using MD5 to implement RADIUS client.
I would like to use the FIPS compliant version of OpenSSL but MD5 is not
one of the certified
I'm trying to do detached CMS signatures and verification using the
PKCS7_sign() and PKCS7_verify() functions. It appears to work OK, except that
my test case for a zero length array fails to verify() - looks like the
signature is OK though.
The documentation suggests that PKCS7_verify() isn't
On Thursday 13 April 2006 22:26 pm, Dr. Stephen Henson wrote:
On Thu, Apr 13, 2006, Brad Hards wrote:
I'm trying to do detached CMS signatures and verification using the
PKCS7_sign() and PKCS7_verify() functions. It appears to work OK, except
that my test case for a zero length array fails
Has anyone tried the PKITS suite:
http://csrc.nist.gov/pki/testing/x509paths.html
against OpenSSL?
I'm planning to use some of those tests, and it would help if I knew what
tests are known to fail.
Brad
pgpnrbtMc9Fjw.pgp
Description: PGP signature
In openssl-0.9.7g/crypto/asn1/t_509.c, there is this function:
int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
{
unsigned char *s;
int i, n;
if (BIO_puts(bp,Signature Algorithm: ) = 0) return 0;
if (i2a_ASN1_OBJECT(bp, sigalg-algorithm)
I'm trying to determine the length (in bits) for my DSA and DH keys. I'm
happily using RSA_size() for RSA keys, and I assumed that DSA_size and
DH_size would do equivalent operations (based on the man page for
BN_size_bits, which states 'If you want to know the key size of such a key,
either
On Wed, 1 Jun 2005 23:31 pm, [EMAIL PROTECTED] wrote:
Hello all,
I develeopped a server which seems to work quite fine. When I use
Valgrind to check for problems, it returns me thousands of problems wich
seems to be caused by the OpenSSL librairie!
follows some of the returns:
There is no
On Sun, 5 Jun 2005 21:20 pm, Nils Larsch wrote:
Is there a way to determine the keylength for DSA keys and DH keys?
in case of a EVP_PKEY object EVP_PKEY_bits, otherwise
As it turns out, I do have a EVP_PKEY, so this is just what I needed.
BN_num_bits(dsa-p). But as the NOTES section in the
On Sun, 5 Jun 2005 22:03 pm, Brad Hards wrote:
On Sun, 5 Jun 2005 21:20 pm, Nils Larsch wrote:
Is there a way to determine the keylength for DSA keys and DH keys?
in case of a EVP_PKEY object EVP_PKEY_bits, otherwise
As it turns out, I do have a EVP_PKEY, so this is just what I needed
On Mon, 16 May 2005 02:04 am, Nils Larsch wrote:
a lot of these warnings are caused by the fact that openssl uses
uninitialized memory when creating random numbers etc. . They should
be harmless but you may try to build openssl with the -DPURIFY to
reduce the number of warnings
Thanks Nils -
I'm coming across a lot of valgrind warnings for the BN code. Eg:
==20718== Conditional jump or move depends on uninitialised value(s)
==20718==at 0x4E34666D: bn_mul_recursive (bn_mul.c:111)
==20718==by 0x4E3475D2: BN_mul (bn_mul.c:708)
==20718==by 0x4E34D1CC: BN_mod_mul_montgomery
On Mon, 14 Mar 2005 07:27 pm, Ted Mittelstaedt wrote:
Hmm - well this doesen't look to me like a request for permission, merely
a request for opinion of whether or not you need to request permission.
Sorry, that wasn't the intent.
So, in answer to that, no. You must request permission to do
I am working on an cryptographic abstraction layer for Qt, imaginatively
called the Qt Cryptographic Architecture (QCA). One of the back-end plugins
that is in development links to OpenSSL. Right now, the directory name is
qca-openssl. When it gets released, each backend will probably be
On Tue, 25 Jan 2005 06:50 am, Michael D'Errico wrote:
Michael D'Errico wrote:
How often should a server generate new DH parameters?
Is this a dumb question? Sorry if it is.
1. 36 hours isn't much time to wait for a response.
2. You broke threading, rather than starting a new thread.
3. It
On Fri, 14 Jan 2005 21:10 pm, Eduardo Pérez wrote:
Do you know if it's possible to use SSL (or some other protocol) over
UDP running totally in user space.
Not possible to use SSL. Some other protocol is potentially possible, but you
haven't told us what you are trying to accomplish, so it hard
On Thu, 23 Dec 2004 04:13 am, Amy Wong wrote:
I really appreciate if you can show me where to get the Open SSL in window
platform (or if there is any documentation out there).
I recently bought the OpenSSL book from O'Reilly -
http://www.oreilly.com/catalog/openssl/
Not fully up to date with
On Wed, 24 Nov 2004 02:34 am, Elie Lalo wrote:
I know that OpenSSL has the following HMAC(EVP_sha1 (), ) which
supports 160 bits. But does OpenSSL support HMAC-128 as well? If yes, could
you please tell me where/how I can get information about it.
You should be able to use whatever MAC
In a larger application (Qt Cryptographic Architecture), I'm trying to
wrap some OpenSSL crypto primitives in C++. However I'm having
a problem with EVP_DecryptUpdate(). I've done up a quick'n'dirty
test case, see below. Now for EVP_EncryptUpdate, this gives me
16. But for EVP_DecryptUpdate(), it
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