In cryptography, a key is a piece of information that determines the functional output of a cryptographic algorithm or cipher. Without a key, the algorithm would produce no useful result. In encryption, a key specifies the particular transformation of plaintext into ciphertext, or vice versa during decryption. Keys are also used in other cryptographic algorithms, such as digital signature schemes and message authentication codes.
All stories in Key (cryptography)
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How to turn your iPhone into a Google security key
Here's how you can take advantage of the latest Google update to turn your iPhone or iPad into a security key to keep your ...
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Craig Wright claims he's received keys to 'Satoshi' Bitcoin stash worth $8.6B
The bonded courier holding the private keys to Craig Wright's Bitcoin stash has allegedly arrived, according to Craig Wright. ...
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North Korean hacker group Lazarus is using Telegram to steal cryptocurrency
A hacking group believed to be from North Korea is reportedly stepping up its game to continue its cryptocurrency stealing ...
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Facebook’s a mess, but it doesn’t mean backdoors are the answer
Despite my run-ins with the Islamic State, I believe backdoors aren't the answer. What we need is a pre-agreed, cryptographically ...
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Hackers can jack ShapeShift's crypto wallets in 15 minutes, Kraken warns
ShapeShift's KeepKey cryptocurrency wallet is reportedly vulnerable to a 'voltage glitching,' which could see hackers steal ...
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Google's Titan Security Keys can be hijacked remotely, replace yours now
Google is recalling Bluetooth versions of its Titan Security Key after it found a vulnerability that allows attackers in ...
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Fusion's $6.4M cryptocurrency theft could be an inside job, firm says
Fusion has revealed the private keys for its swap wallet were stolen, which led to the siphoning of $6.4 million worth of ...
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The sad and peculiar case of Satowallet’s alleged $1M cryptocurrency exit scam
Users of cryptocurrency wallet Satowallet have been unable to access their funds for quite some time, and now the CEO has ...
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Silly scammers attempt Bitcoin ATM fraud with homemade ‘out-of-order’ signs
Cryptocurrency scammers in Canada are trying their luck with what seems to be the stupidest Bitcoin ATM con ever thought ...
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Liquidators of dead shitcoin factory Cryptopia must reconcile 900,000 user accounts one-by-one
The liquidator overseeing the slow death of New Zealand-based shitcoin factory Cryptopia has issued its latest update and ...
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Tech journalist breaks first rule of holding cryptocurrency, loses $30,000
It's never funny when someone is robbed of their cryptocurrency. It's especially bad when the victim seemingly can't get ...
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Ugh finally, Samsung adds support for Bitcoin in Blockchain KeyStore
It looks like Samsung has finally got its house in order after it added support for Bitcoin in its Blockchain KeyStore wallet. ...
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MyDashWallet was compromised for 2 MONTHS — users, move your cryptocurrency
Hackers have targeted DASH cryptocurrency users, after web wallet MyDashWallet was found compromised for two whole months. ...
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5 bite-size Bitcoin factoids to beef up your cryptocurrency knowledge
The cryptocurrency is a technological feat and while its inner workings are often difficult to understand, there are a few ...
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Binance hacked for over $40M worth of Bitcoin
Binance suffered a "large scale security breach" yesterday evening. The hackers were able to transfer 7,000 Bitcoin (over ...
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Satoshi's Treasure to add side quests on top of $1 million Bitcoin prize
One Satoshi's Treasure player has taken it upon himself to help others work together to claim the keys to $1 million worth ...
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Ethereum bandit makes off with $6.1M after bypassing weak private keys
There’s a blockchain bandit on the loose – and they’ve already thieved over $6.1 million worth of Ethereum.
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Satoshi's Treasure hacker claims first keys to $1M Bitcoin prize in minutes
The first clues to find keys to $1 million worth of Bitcoin have been released, and instead of visiting San Francisco or ...
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Cryptocurrency exchange WEX/BTC-e tied to Bitcoin ransomware hackers, report
PricewaterhouseCoopers has made a connection between the SamSam ransomware hackers and infamous cryptocurrency exchange WEX ...
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Google's head of account security has fix for cryptocurrency SIM-swapping
In light of the SIM-swapping epidemic, we spoke with Google's head of account security about what cryptocurrency investors ...
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This is the future of authentication, according to security experts
Passwords may not have been much of an annoyance back in the 1960s, when they were first believed to have been introduced ...
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We should teach human rights law to software engineers
Technology dominates a large amount of our lives and software engineers should be taught about human rights laws to avoid ...
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The future of authentication
Passwords may not have been much of an annoyance back in the 1960s, when they were first believed to have been introduced ...
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MasterCard wants to make electronic payments anonymous… with blockchain
According to a recent patent application, the payment infrastructure provider, MasterCard, wants to anonymize "electronic ...
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$3M worth of cryptocurrency seized from Bulgarian criminals
Three individuals in Bulgaria have been arrested and charged after obtaining over $3 million (5 million lev) through illegal ...
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John McAfee’s 'unhackable' cryptocurrency wallet has been hacked (again)
A team of security researchers has a solid claim to $10,000, after meeting the three requirements of Bitfi's second bug bounty ...
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Binance's first official acquisition is a mobile cryptocurrency wallet
Binance announced it has acquired a mobile wallet solution in an effort to improve “the centralized architecture” of ...
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How cryptography enables online shopping, cloud tech, and the blockchain
What do the Gallic Wars and online shopping have in common? The answer, believe it or not, is cryptography. Cryptography ...
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Here’s why Bitcoin’s blockchain has blocks that go over the 1MB limit
Blocks have been mining on Bitcoin's blockchain that are over 2MB, despite having a limit of 1MB. Here's why this happens. ...
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PSA: MyEtherWallet compromised in hack, urges users to move tokens now
Popular Ethereum interface and defacto token wallet MyEtherWallet (MEW) has been caught up yet another goddamn hack, this ...
