Top "Dsa" questions

What is the difference between DSA and RSA?

It appears they are both encryption algorithms that require public and private keys. Why would I pick one versus the …

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How do you use an identity file with rsync?

How do you use an identity file with rsync? This is the syntax I think I should be using with …

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What's the difference between id_rsa.pub and id_dsa.pub?

Is one more secure than the other?

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Is there a standardized fixed-length encoding for EC public keys?

I was wondering if there was (and I hope there is) a standard for public key size for ECDH (Elliptic …

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Modular Exponentiation in Java

I need a way to calculate: (g^u * y^v) mod p in Java. I've found this algorithm for calculating (…

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java.security.spec.InvalidKeySpecException and Inappropriate key specification error in java program

As a part of project implementation,I have done: 1. Generete DSA keys 2. Encrypt the private key using AES 3. Save into …

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ssh2_auth_pubkey_file authentication always fails

I'm trying to connect to another machine using PHP's ssh2 functions. I know the ssh keys have been created with …

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How to generate an 2048-bit DSA key pair for Java?

I tried the following methods to generate a DSA private (and public) key with a 2048-bit key length: Via keytool …

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C# A random BigInt generator

I'm about to implement the DSA algorithm, but there is a problem: choose "p", a prime number with L bits, …

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How can I generate a valid ECDSA EC key pair?

I am trying to generate ECDSA key pair using SpongyCastle in Android. This is the code: static { Security.insertProviderAt(new …

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