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

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Would usage of jCryption 3.0 + SSL have mitigated the Heartbleed vulnerability?

I came across a project called jCryption 3.0, which encrypts data between the client and server, without using SSL. If a website's JavaScript had used jCryption 3.0 to encrypt login form fields before ...
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131 views

Display browser requested cipher suites from OpenSSL

I installed OpenSSL locally and used s_server command to start a server by using self signed certificate created by OpenSSL as well. The command I used to start a https server is OpenSSL> s_server ...
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351 views

Generating ECDSA certificate and private key in one step

Similar to how it can be easily done for RSA: openssl req -x509 -nodes -newkey rsa:2048 -rand /dev/urandom -keyout example.key -out example.crt -days 365 I'd like to generate a ECDSA cert/key in ...
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1answer
57 views

Is it possible to inject information into a clients TLS session cache?

Hypothetically speaking, could an attacker run a targeted attack on a network that would inject information into a victim's cache of recent TLS connections? Specifically, the master-key and sessionID ...
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29 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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OpenTSA and PKCS11

We are planning to implement the time-stamping service(RFC 3161) using OpenTSA wanted to know If OpenTSA supports PKCS-11 (Cryptoki) to talk to HSMs? BTW: I did not find documentation or much ...
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178 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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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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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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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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Ruby OpenSSL vs Linux openssl

I have a difficulty reconciling Ruby's OpenSSL library with the standard Linux command line openssl. What I'm trying to do here is encrypt the string mysecretstring with the password foobar but first ...
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How to control which OPENSSL_cleanse version to be linked? Assembly or C?

I found that in openssl code, there is a function OPENSSL_cleanse to clear the memory, and there are two versions, one is implemented by assembly and one is implemented by C. By default, other ...
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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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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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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: ...
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Is OpenSSL 0.9.8h affected by CVE-2014-0195?

I have spent time on finding out if OpenSSL 098h is affected by the CVE-2014-0195 ..but it seems I will have to understand the entire file d1_both.c to answer this question. 1) Preliminary look at ...
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490 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 ...