data cryptography - Definition. Was ist data cryptography
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Was (wer) ist data cryptography - definition

CRYPTOGRAPHIC PROOF OF A MESSAGE SENDER'S IDENTITY
Nonrepudiation; Non-Repudiation; Non-repudiability; Data availability (cryptography)

Post-quantum cryptography         
CRYPTOGRAPHY THAT IS SECURE AGAINST QUANTUM COMPUTERS
PQCrypto; PQcrypto; Pqcrypto; Post-quantum; Post-Quantum; Post-Quantum Cryptography; Post quantum cryptography; Post Quantum Cryptography; Post quantum; Post Quantum; Quantum Safe Cryptography; Quantum Resistant Cryptography; Post-quantum encryption; Algorithms for post-quantum cryptography; Quantum resistant cryptography; Quantum-resistant cryptography; Quantum safe cryptography; Quantum-safe cryptography; Quantum proof cryptography; Quantum-proof cryptography; Draft:Delaram Kahrobaei
In cryptography, post-quantum cryptography (sometimes referred to as quantum-proof, quantum-safe or quantum-resistant) refers to cryptographic algorithms (usually public-key algorithms) that are thought to be secure against a cryptanalytic attack by a quantum computer. The problem with currently popular algorithms is that their security relies on one of three hard mathematical problems: the integer factorization problem, the discrete logarithm problem or the elliptic-curve discrete logarithm problem.
Public-key cryptography         
  • digitally signed]] with Alice's private key, but the message itself is not encrypted.
1) Alice signs a message with her private key.
2) Using Alice's public key, Bob can verify that Alice sent the message and that the message has not been modified.
  • In an asymmetric key encryption scheme, anyone can encrypt messages using a public key, but only the holder of the paired private key can decrypt such a message. The security of the system depends on the secrecy of the private key, which must not become known to any other.
  • symmetric cipher]] which will be, in essentially all cases, much faster.
CRYPTOSYSTEM THAT USES BOTH PUBLIC AND PRIVATE KEYS
Private key; Asymmetric key algorithm; Public key algorithm; Public key; Public key cryptography; Asymmetric key cryptography; Public key encyption; Public key crytography; Asymmetric key; Asymmetric key encryption algorithm; Public key encryption; Public-key encryption; Public-key; Asymmetric key encryption; Asymmetric cryptography; Non-secret encryption; Asymmetric key algorithms; Asymmetric encryption; Keypair cryptography; Public Key Cryptography; Private key encryption; Public-key cryptosystem; Public key cryptosystem; Assymetric key cryptography; PubKey; Asymmetric-key cryptography; Asynchronous encryption; Public/private key cryptography; Asymmetric-key algorithm; Key pair; Keypair; Key Pair; Asymmetric crypto; Public encryption key; Asymmetric cryptosystem; Asymmetric cypher; Asymmetric cipher; Asymmetric algorithm; Asymmetric Algorithms; Public Key Encryption; Private Key Encryption; Secret-key; Key pairs; Asymmetric-key cryptosystem; Public key pair; Public-key encrytption; Asymmetrical encryption; Private keys; Applications of public-key cryptography
Public-key cryptography, or asymmetric cryptography, is a cryptographic system that uses pairs of keys. Each pair consists of a public key (which may be known to others) and a private key (which may not be known by anyone except the owner).
Data (computing)         
  • Various types of data which can be visualized through a computer device
QUANTITIES, CHARACTERS, OR SYMBOLS ON WHICH OPERATIONS ARE PERFORMED BY A COMPUTER
Computer data; Type representation; Data (computing)
In computing, data (treated as singular, plural, or as a mass noun) is any sequence of one or more symbols. Datum is a single symbol of data.

Wikipedia

Non-repudiation

In law, non-repudiation is a situation where a statement's author cannot successfully dispute its authorship or the validity of an associated contract. The term is often seen in a legal setting when the authenticity of a signature is being challenged. In such an instance, the authenticity is being "repudiated".

For example, Mallory buys a cell phone for $100, writes a paper cheque as payment, and signs the cheque with a pen. Later, she finds that she can't afford it, and claims that the cheque is a forgery. The signature guarantees that only Mallory could have signed the cheque, and so Mallory's bank must pay the cheque. This is non-repudiation; Mallory cannot repudiate the cheque. In practice, pen-and-paper signatures aren't hard to forge, but digital signatures can be very hard to break.