Key management involves the entire key life-cycle: generation, exchange, storage, safeguarding, use, vetting, revocation, replacement and retirement.

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How does Spideroak manage encryption keys

I'm trying to understand the following from SpiderOak's engineering page (sorry I'm on a mobile phone so have no access to formatting functions like quote blocks): "SpiderOak uses a nested series of ...
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88 views

secure key management using smart card

I have a scenario where I want to encrypt the file data on client machine along with smart card authentication. I have followed a link that states that for smart cards, private key never leaves The ...
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39 views

RSA, SSLStream - KeyExchange

I'm using sslstream to communicate a client and a server, and i need to use RSA encryption, i have made some tests with a brute keyexchange, using sslStream.write(modulusPublicKey). And receiving like ...
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2answers
161 views

Security Modules - Hardware vs. Software

In terms of PCI requirements and compliance, is a software-based key management module like Gazzang zTrustee an acceptable solution to the PCI requirements that a (hardware) HSM solution like AWS ...
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43 views

Key Distribution using multicast

I am trying to come up with a solution for a system where i need to generate a key (Kn) from time to time and distribute it to a large number of servers in a private network. Since it has to be a ...
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1answer
147 views

how to verify file signature by client PGP

Currently working on verifying and signing a file via GNUPG, given that I've already signed a file, given the clients the .sig and public key, is there a way for a client to verify the file without ...
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29 views

Secure data with server and RSA? [duplicate]

the RSA system uses a private key to read the content encrypted with the public key. If I make a game for mobile, and want to save the data : I guess I cannot save the private key on the device. If ...
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2answers
160 views

Password management [duplicate]

I am work in small company. I am Java Developer and Sysadmin of remote servers. I have problem with store password from several servers. How to best way to manage passwords in company?
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4answers
95 views

Can I “hide” the private key, while still allowing it to be used?

Let's say you assign SSH keypairs to all users on your system; none of these "low trust" users have root privileges. You want the users to be able to use their keys in SSH connections, however, you ...
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2answers
158 views

How to securely store users' private keys? [closed]

I'm building an application that needs to store a public/private key pair generated by the user. What's the best way to do this? Encrypt the private key in the db with some application-generated ...
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1answer
75 views

Implementing a product key system?

Say I have a piece software that allows people to download a trial version that can then be unlocked. Would the following steps below be an effective way to implement a key system for unlocking the ...
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2answers
140 views

Is this adaptation of using a One Time Pad safe?

For example, lets say there are two people named, Bob, and Jim. Bob wants to send Jim a long secret message, and he decides to use a OTP to encrypt his message. Both Bob and Jim know a secret ...
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1answer
776 views

GPG advantages / disadvantages, is it useful or secure? [closed]

I thinking about GPG, is very widely used, but is secure? Why and where we using GPG? I found an article from 2002, but is very old.
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1answer
63 views

AES 256 bit key to plaintext conversion? [closed]

I'm a little rusty on cryptography, but I have successfully acquired a 256 bit key that is used for encryption and I want to know if it is possible to reverse it into its corresponding plain text ...