Public key cryptography describes all cryptographic algorithms which have a pair of keys, one key that performs encryption and one key that performs decryption. One of these keys is made available publicly, allowing anyone to send messages that only the holder of the private key can read. You should ...

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What is cross-certification [closed]

What does cross-certification mean? Can I program my app to accept all certificates that are cross-certified by a certain CA? How common practice is this?
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Elliptic curve Cryptography [duplicate]

Possible Duplicate: Can we use elliptic curve cryptography in wireless sensors? How to map message character to point lies on Elliptic Curve? how to ecc used in wireless sensor networks? ...
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Why is proof-by-reduction needed (for Elgamal proof of security, for example)?

The textbook proof for Elgamal encryption basically reduces to the Decisional Diffie-Hellman assumption (DDH). Elgamal: $Gen(.): x \xleftarrow{R} \mathbb{Z}_p$; $Enc(m,g^x): r \xleftarrow{R} ...
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ECC Cryptography

I want to know th basic understanding of ECC algorithm for cryptography.But I am not aware of the algorithm so please any one give me the basic understanding of the algorithm.
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Where to store the private key and the public key in a communication protocol

I want to create a simple secured connection protocol over TCP/IP. I just want to connect from my mobile device to a server securely. Firstly I thought to use an SSL connection, but I changed my ...
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RSA decryption from ciphertext using private key [closed]

I am sniffing a client side application traffic and I found some encrypted data. I am not able to decrypt it. Information which I have is Public Key: ...

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