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

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2answers
332 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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2answers
129 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 ...
3
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1answer
34 views

Merge a second OpenPGP key pair into user id of other key

I have OpenPGP key pairs for two of my email addresses. When I created them, I did not know that it was possible to just add another user id to the first key pair. Then I found out it is possible from ...
2
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1answer
79 views

Can TPM Storage Keys be Created Outside TPM?

I am interested in 'adding' preexisting keys to a TPM's storage hierarchy. An example of a desired key hierarchy can be shown as: (SRK)----->(User Storage Key)-------> User Working Key 1 ...
2
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1answer
478 views

Protecting decryption key on server

What is the most suitable way to encrypt and decrypt sensitive data on a public cloud server disk without storing the decryption key on the server in plaintext? REQUIREMENTS In our SaaS web/mobile ...
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1answer
136 views

Any way to revoke old key pair?

There is a many-year-old 1024 DSA key in the public keyservers under my name. There is a 2048 ELG-E subkey for it. I didn't create these keys, they were created for me by a former employer without my ...
2
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0answers
76 views

Vault Secret server best practices

Recently Hashicorp released a secret management solution called Vault. Which is a free and open source general secret storage, acting as a vault for passwords, encryption keys, and hash salts. I am ...
2
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0answers
115 views

How is Tresorit client-side encryption key stored and managed?

I am using Tresorit on Mac OS X and iPhone. When I am using it there is always applied client-side encryption before posting the file to cloud. The key used for encryption is AES-256 and CFB mode of ...
2
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0answers
142 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 ...
2
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0answers
131 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
21 views

Checklist for Data Communication Review in ERP Solution

I am looking out for a checklist for data communication review within ERP application. I understand some of the checks would be related to digital signature, TLS/SSL use, Key Life Cycle management ...
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0answers
41 views

Manual IPsec and session key(s)

I am evaluating IPsec. I have determined it is best for my case to not use AH (will use PSK for authentication). One issue I have is that at the start there will be no connectivity, so IKE will not ...
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0answers
26 views

how IKE (Internet Key Exchange) protocol reacts to the replay attack?

I mean how IKE in any mode (quick,aggressive, main) responds to an attacker that tries to replay one or more messages?
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0answers
33 views

CCM instead of key wrap

Is there any instance of NIST or other encryption standards using AES-CCM to encrypt/authenticate key data? I would like to use CCM over a keywrap function, but cannot find any precedent for this in ...
1
vote
0answers
68 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
96 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
222 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 ...
1
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0answers
51 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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0answers
193 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
306 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
564 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 ...
1
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0answers
377 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
194 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
116 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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0answers
13 views

What is the goal of sign a key in BrowserID certificate?

I'm learning about the Mozilla Auth. it has an implementation of SRP protocol in https://github.com/mozilla/fxa-auth-server/blob/master/docs/overview.md and his client; example is ...
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0answers
14 views

Online Personalisation of Terminal-HSM key management

In Germany, there is a widely used key management called Online Personalisation of Terminal-HSM (OPT, Online-Personalisierung von Terminal-HSM). I would like to get details about it and to compare it ...
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0answers
216 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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0answers
30 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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0answers
88 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 ...