OpenSSL is an open-source implementation of the SSL and TLS protocols.

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345 views

P12 - Extract public part (certificate) without knowing the p12 password

I would like to extract the public part of a revoked P12 which doesn't belong to me. I can't open it with KeyStore Explorer because I am prompted for the password, is it possible with OpenSSL ? The ...
4
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1answer
63 views

How to generate keystore for root signed certificate?

I need to create keystore and truststore with root signed certificates. I have these files (at this step they are identical for client and for server): client_cert.pem client_prv_key.pem ...
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1answer
85 views

TPM support with OpenSSL FIPS Object Module

How to use TPM chip along with OpenSSL FIPS Object Module without modifying OpenSSL FIPS Object Module (to avoid Private Label certification)? Should we add an engine interface in OpenSSL module as ...
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0answers
246 views

OpenSSL vs NSS from FIPS-140-2 and Suite B perspective?

Does anyone know of any work/papers/articles comparing the relative strengths and weaknesses of NSS and OpenSSL? EDIT: In case there aren't any existing documents/articles, I would certainly ...
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0answers
110 views

Nginx and HSM integration to hold private keys

We are using Nginx and storing private keys in file on server. We would like to move private keys to HSM, so that ssl keys are stored in HSM and never leaves HSM. All crypto operations required during ...
2
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0answers
111 views

OpenSSL: Allow CBC ciphers for TLS but prevent for SSL3

In my server application using OpenSSL, to prevent the poodle attack, I added an option to fully allow/prevent SSL3 protocol. SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2); //Prevent SSLv2 ...
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0answers
19 views

HPKP and Elliptic Curve certificates

There is quite some information on the web on how to extract the base 64 encoding of the SHA-256 fingerprint (which is needed for the Public Key Pinning header) for RSA certificates (e.g. by Mozilla). ...
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0answers
42 views

FIPS_mode_set failed: f06d065

I execute the following code in Netbeans and get the error : FIPS_mode_set failed: f06d065. How to enable FIPS mode and get the code running? #include <openssl/crypto.h> int main() { int mode ...
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0answers
146 views

Client Authentication with DH cert example using openssl command line

I want to perform client authentication with DH certificate from client side using openssl command line tool. when i am running server and client as below client is not taking certificate provided ...
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0answers
57 views

Proxpy- certificate issue

I am using proxpy, a proxy server written in Python. It comes with its certificates and after installing one of the certificates in Firefox, I got 'Connection is untrusted'. Any help in this regard ...
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0answers
117 views

FIPS Compliance with iOS app

Our company is working on getting FIPS validation for the iOS app and is in the initial phase. We have decided to use a private FIPS-certified libraries for using in the crypto modules. I have some ...
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0answers
1k views

Running openssl s_client with an aes encrypted key fails

I'm trying to verify a 2-way SSL connection using the openssl s_client command openssl s_client -connect localhost:8883 -CAfile ca.pem -cert client.crt -key client.key The openssl s_client fails ...
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0answers
479 views

Build only OpenSSL crypto?

I was wondering if it's at all possible to compile only the crypto functionality of OpenSSL that I want? In particular, is it possible to compile just SHA1, AES, and DH parts of OpenSSL? I followed ...
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0answers
100 views

Secure self-concealing symmetric encryption (non-verifiable decryption)?

From what I observed using standard encryption tools such as OpenSSH and GPG, the decryption only succeeds when the correct password/key is provided (or at most a few others, in case of collision). ...
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0answers
84 views

Open ldap start tls succesful even after CA is removed

I have one question related to how openldap and openssl handles the CA and server certificates. I have openldap client using openssl. My intention is to establish a ldaps connection to the ldap ...
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0answers
131 views

1.3.6.1.5.5.7.1.12 Logotype extension - how can it be generated from openssl command line

If you look at this subCA Certificate from Verisign http://www.tbs-certificats.com/FAQ/en/495.html?p=en/495.html It has the following field 1.3.6.1.5.5.7.1.12: ...
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0answers
746 views

OpenSSL: Bad Record MAC on TLS Heart Beat

I am trying to see the heartbleed bug in action with my OpenSSL server application. My server uses the OpenSSL library - openssl-1.0.1b I successfully connect with s_client (openssl-1.0.1b) to my ...
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0answers
16 views

How secure is a ODBC connection from MySQL(5.6) to MS Access

I have created a connection from a MySQL server (unpopulated) to Access using their ODBC driver but don't know anything about how secure this connection may or may not be. I do not have openSSL set up ...
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0answers
24 views

How to verify the usage of dhaparameters configuration from command-line?

Although Qualys will happily do it for Internet-reachable systems, some of ours are on private networks. I'd like to be able to verify them all remotely. Is there a "quick" recipe -- something based ...
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0answers
61 views

Does HTTPS protocol leak HTTP body length?

It seems that in a MITM attack, hackers may know the whole HTTPS packet size sent through the network (i.e. size of HTTP headers + HTTP body + overhead). Besides that, does the HTTPS protocol also ...
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0answers
137 views

Decrypt Private Key

I have a private key together with a certificate in a pem file. The part of the private key starts with: -----BEGIN ENCRYPTED PRIVATE KEY----- I have a passphrase for it. I need to bring it back ...
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0answers
45 views

Blackberry 10 supported SSL/TLS/DTLS versions?

I'd like to know the supported SSL, TLS and DTLS versions in Blackberry 10? From a developer's perspective that is, what native support does BB 10 offer me to secure my app's communication? I've been ...
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142 views

“gpg” vs “openssl rsautl” (asymmetric keys) for credentials storage

I'm working in a PHP project and need a better solution to store credentials to a client's database, and I'm thinking about encryption, I put to work both gpg and openssl using asymmetric keys, but ...
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0answers
165 views

I have patched openssl but QUALYS says I am still vulnerable to CVE-2014-0224

I am running a server with CentOS 6.5, patched to recent openssl updates via yum update ssl and with indications the current version indeed has the patch to the vulnerability. $ sudo rpm -q ...
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0answers
185 views

How to add basicConstraints extention to a self signed certificate

Using openssl to create a self signed certificate. The certificate needs to have the Basic Constraints value defined and showing in the cert but I can't seem to be finding the right location to modify ...
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0answers
149 views

Why is the public key extracted from the CSR different than the one extracted from the associated certificate?

I am playing around with pyopenssl. I am trying to extract the public key from a CSR and to check if it is the same than the one I find in the associated certificate. There is a small difference ...
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0answers
30 views

What could be the reason for “SSL: No Application Data included”

I am trying EAP-TLS privacy, upon receiving change_cipher_spec and finish, and the same handshake has another request for client_hello_requset as a encrypted message, and openssl able to decrypt it ...
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0answers
98 views

OpenSSL CVE-2014-3508 - what can be read?

Per the OpenSSL announcement for CVE-2014-3508, sensitive information can be read from the stack. The OBJ_obj2txt function in crypto/objects/obj_dat.c in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before ...
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0answers
20 views

Does openldap stores the ssl context in global variable after the first start_tls?

Does openldap stores the ssl conext which is passed to SSL_connect ?
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0answers
183 views

Openssl command line: How to get “Policy: X509v3 Any Policy” in a certificate I am generating through openssl

I am trying to generate a certificate through openssl which has the following line X509v3 Certificate Policies: Policy: X509v3 Any Policy But I end up getting X509v3 Certificate Policies: ...