RE: How to include intermediate in pkcs12?

2014-04-24 Thread Edward Ned Harvey (openssl)
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Dave Thompson - the truststore if -CAfile and/or -CApath specified IF NEEDED Thank you very much for your awesome detailed answer. This answers a lot of questions, but I am left with a new one: I

RE: SSL Root CA and Intermediate CA Certs.

2014-04-24 Thread Edward Ned Harvey (openssl)
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Michael Wojcik For someone who does want more background in cryptography, I'd recommend Schneier's /Applied Cryptography/ over /Cryptography Engineering/. The latter is for people implementing

RE: How to include intermediate in pkcs12?

2014-04-24 Thread Edward Ned Harvey (openssl)
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Tom Francis openssl pkcs12 -export -out mypkcs12.pfx -inkey my.private.key -in mycert.crt -certfile intermediate.crt -CAfile ca.crt (Correct?) So ... I just tried this, and confirmed,

RE: SSL Root CA and Intermediate CA Certs.

2014-04-23 Thread Edward Ned Harvey (openssl)
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Kaushal Shriyan I am new to SSL/TLS Certificates. Please help me understand what is the difference between ROOT CA Certs and Intermediate Certs or Chain Certs. I will appreciate if i can refer to

How to include intermediate in pkcs12?

2014-04-22 Thread Edward Ned Harvey (openssl)
A bunch of things on the internet say to do -cafile intermediate.pem -cafile root.pem or -certfile intermediate.pem -certfile root.pem and they explicitly say that calling these command-line options more than once is ok and will result in both the certs being included in the final pkcs12...

Recommended for .Net?

2014-04-21 Thread Edward Ned Harvey (openssl)
At work, we develop software in .NET, currently using the built-in SslStream class, and I'm considering abandoning it. Is Openssl recommended for SSL/TLS communications in .NET? And if so, should I just download the win binaries from http://slproweb.com/products/Win32OpenSSL.html ? I'm

Master Key / Multiple Users

2012-05-08 Thread Edward Ned Harvey
Suppose you have a single resource to be encrypted, and it should be accessible by multiple users. Is there a way to encrypt something such that multiple keys would work? I can't seem to find any such solution... How do things like FileVault implement a Master Key, and multiple users? It

RE: Please tell me about encryption API of OpenSSL 1.0.1

2012-04-23 Thread Edward Ned Harvey
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of MauMau But folks here gave me suggestions that different IVs should be used for each 4KB block. I think I should do that, and I'd like to follow those precious advice. (However, I'm wondering if

RE: Please tell me about encryption API of OpenSSL 1.0.1

2012-04-18 Thread Edward Ned Harvey
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Jeffrey Walton On Tue, Apr 17, 2012 at 9:47 PM, Edward Ned Harvey open...@nedharvey.com wrote: From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Ken

RE: Please tell me about encryption API of OpenSSL 1.0.1

2012-04-17 Thread Edward Ned Harvey
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Edward Ned Harvey attacker doesn't know is your key and your plaintext. There is only one solution. You must use a second key. Use your first key to encrypt the second key (so an attacker can

RE: Please tell me about encryption API of OpenSSL 1.0.1

2012-04-17 Thread Edward Ned Harvey
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Ken Goldman The standard answer: If this is a real security project, hire an expert. If you design your own crypto algorithm, you will get it wrong. If this is just for fun, to learn about

RE: Please tell me about encryption API of OpenSSL 1.0.1

2012-04-17 Thread Edward Ned Harvey
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Ken Goldman The standard answer: If this is a real security project, hire an expert. If you design your own crypto algorithm, you will get it wrong. Or, if you're pretty confident you know how a

RE: Please tell me about encryption API of OpenSSL 1.0.1

2012-04-16 Thread Edward Ned Harvey
From: Edward Ned Harvey I can't think of anything wrong with using the block number as the IV, and then use ECB. Oh yeah. I can think of something wrong with that. If an attacker knows the block number, and they have some intelligent guess about the plaintext, then they might be able

RE: Please Clarify.Intermediate certificate verification ?

2012-03-06 Thread Edward Ned Harvey
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Mr.Rout 1) what is intermediate certificate validation ? When you generate a CSR, the CA can sign it directly, or they can sign it via an intermediate. I'm not quite sure what's the point of the

RE: Can I use an exsisting csr file?

2012-02-24 Thread Edward Ned Harvey
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of jim.armstrong openssl version -a returns OpenSSL 0.9.8g - Platform: debian-i386-i686/cmov There's an existing csr file on the server. Can I use this csr file or do I need to generate a new one?

RE: Resources for certificates using OpenSSL (newbie)

2012-02-24 Thread Edward Ned Harvey
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of Michael S. Zick You must be new to mailing lists also. Start your own thread, they are cheap here, don't hijack another topic. Mike, How do you call that a thread hijack? New subject, new thread

RE: weak key check?

2012-02-18 Thread Edward Ned Harvey
From: owner-openssl-us...@openssl.org [mailto:owner-openssl- us...@openssl.org] On Behalf Of anthony berglas Taking a different slant, is it possible to provide the Entropy using a pass phrase.  So a given pass phrase will always generate the same key pair.  This means that for simple