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

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1answer
288 views

Key distribution advice

I have been thinking for days about that problem! The application is based on a student system management. I am implementing database encryption on a column level and The encryption occurs at the ...
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3answers
217 views

Implement server serial key for server software

Me and my friend want to sell game server-side software, but we want some sort of control, over use of that software. For example, we want some sort of serial key system, so only verified/paid ...
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0answers
134 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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2answers
102 views

Should I create one key pair per customer as Service Provider in SAML?

This is more or less the reverse of what's asked in this question. I recently added SSO with SAML to a SaaS Web application making said application the Service Provider (SP). This is done so ...
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1answer
88 views

Safely encrypting data received through HTTPS

I am receiving sensitive data over an HTTPS connection and need to store this on disk, encrypted so no one can tamper with it, but for reading later on. Each user in the system has a password. The ...
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0answers
29 views

Distribution of key by server

I have read that in asymmetric cryptography, a system admin can generate key pairs on the server. After that, the users will be given the generated key pairs and this is an efficient way of doing this ...
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1answer
44 views

JKS is readable without providing a password

I'm at that stage in application development where I'm forced to tinker with openssl and keytool again. I was surprised to find that I could list and export certs from a JKS key store without ...
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0answers
14 views

Why do PGP Keys have expiration dates? [duplicate]

I read a tutorial to get started with PGP and so far I understand the importance and the difference between encryption, decryption, signing, and verifying. However, I don't understand why a key has ...
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0answers
83 views

How should I organize my keys?

Suppose I have a set of computers with variegate level of trust (for example): I fully trust my own desktop pc at home I trust a bit also my smartphone, but I know it could be stolen I trust a bit ...
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0answers
98 views

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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2answers
333 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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1answer
262 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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0answers
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
166 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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votes
4answers
157 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 ...
-1
votes
1answer
35 views

Best way to store client side Encryption keys

I have different client applications running on different OS (iOS, Android, Windows Desktop, Windows Phone, Mac, Windows Store -All Native Apps-) I have to decrypt (AES-128) some files (thousands of ...
-1
votes
2answers
222 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 ...
-1
votes
1answer
127 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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votes
2answers
147 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 ...
-2
votes
1answer
915 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.
-4
votes
1answer
175 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 ...