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

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How to properly transition from standard PGP keys to using subkeys?

When I initially set up PGP, PGPTools didn't prompt me to create separate subkeys, as explained in the article "Creating the Perfect PGP Keypair". Now that I've learned a bit more about PGP, I'd like ...
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57 views

Key Management/storage system

In my firm we have a couple of thousand hardware devices, installed externally, that all send back data to a central server. They send back data about every hour. Each of these hardware devices ...
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55 views

Public Key Transfer between two Applications

I have a Service written in c# which uses asymmetric Encryption to Encrypt Data, and a client application which Decrypts the Encrypted data received from the service. How can I do the following ...
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1answer
168 views

Why should I persist OAuth 2 access tokens along with refresh token

That's something I've came across in a couple articles about OAuth 2: when it comes to persisting refresh tokens to database some authors prefer to store access token as well, or at least mention it ...
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1answer
40 views

User IDs containing URIs

When adding a User ID to your OpenPGP key, you are typically asked (for example by GnuPG) to provide a name, a comment, and an email address (where each part is optional). This format (Name (Comment) ...
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1answer
189 views

Current industry standard key management solution for web app on linux host

The scenario: Data is sent to an application server and you want to selectively encrypt some data before sending it to a DB server for storage. All servers run some linux distro. This is a relatively ...
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1answer
19 views

secure private key storage

in recent light of badusb storing private keys on a usb flash drive is not the best way what about writing private keys to a cd? what i am worried about is whenever i plug my private key storage ...
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1answer
115 views

Can any App Store app access all of my passwords?

Whilst researching another question, I've noticed that on OS X 10.9.4 there are many instances of Library/Keychains/login.keychain from ~ within the Data folder of what looks like apps from Apple App ...
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1answer
84 views

How can I generate some public and private keys on both sides with low overhead?

We have an Authority Center (CA) generating some public and private keys for each client (more than one pair for each client). One method for sending keys to client is sharing a secret key between CA ...
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0answers
13 views

How does firefox sync password recovery work?

According to Mozilla Sync-new-security-model, Firefox servers are not able to decrypt your sync data without your password. So I figured that, the browser generates a key from your password, encrypts ...
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0answers
66 views

Which keys does a bank typically exchange with a card scheme?

I'm trying to understand the different EMV-related keys that are shared between a bank who issues EMV cards and a card scheme, such as Visa or MasterCard. I understand the bank would typically ...
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0answers
19 views

Clear EFS Cache at Set Interval

My boss wants to set up encrypted file shares using EFS on Windows Server 2012 R2 Boxes accessed by Windows 8.1 clients. I've been able to set the default DRA, issue certificates in test cases and so ...
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0answers
37 views

NISTIR 7966 (Security of Automated Access Management Using Secure Shell) - is there anything new?

Tatu Ylönen (the creator of SSH protocol) and two others authored a report recently, offering their views on SSH key management. I have read the report, and am struggling to identify whether it is ...
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0answers
29 views

AWS IAM User vs STS

I'm trying to better understand the potential of AWS Secure Token Service, and looking for thoughts on how best to solve a particular problem. Let's say I have a bunch of IAM users that are currently ...
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0answers
71 views

Using SSH Private keys in Production environment

I have a need to scp a bunch of files from a production box to my development environment. I am a developer and have limited read access to the production machines. Instead of entering password for ...
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0answers
110 views

SSH using pre-existing session (symmetric) keys

Is there at present a way to open a SSH connection using pre-existing symmetric session keys? In other words, if I create a list of symmetric keys can I send that list to the recipient on a CD or USB ...
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0answers
131 views

Storing private messages in a database

I am creating a portal where users can send private messages (PMs) for a very large audience. So I want to encrypt the messages and store them in the database. But I do not want to ask the users for ...
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0answers
210 views

What is the preferred way of using AWS (specifically S3) from mobile apps?

Adding the AWS access key and secret key directly in app code is definitely not a good approach, primarily because the app resides on the users device (unlike server side code), and can be reverse ...
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0answers
332 views

How to securely delete an OpenVPN connection profile

I store my OpenVPN profile (keys) in an encrypted drive but I run OpenVPN inside an OS that is not encrypted. When I finish my OpenVPN session and disconnect, the connection profiles are still there ...
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0answers
245 views

Import securely RSA private key through PKCS#11

I have a cryptographic device that supports the following mechanisms: How I could securely import RSA private key into it? Because there is no support for wrap/unwrap using symmetric key is there ...
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0answers
154 views

“Keyset does not exist” when using SignData function with RSA

"Keyset does not exist". I know that there are tons of question about this error, but mine is totally different. I'm not gona use the key from windows certificate store, but load the public key & ...
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0answers
102 views

What are some good design practices for cross-platform certificate storage?

Question from the Bouncy Castle development list: At present we use the Windows certificate store as: var store = new X509Store(StoreName.My, StoreLocation.LocalMachine); ...
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53 views

Expiration / enforce change of passphrase for private ssh keys

Out of curiosity, and also to check whether this is doable at all: Is there any way using standard tools to assign an expiry date [only] to the passphrase of an ssh private key, or to enforce the ...
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60 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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66 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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0answers
34 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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42 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 ...