Newest 'cryptography' Questions - Stack Overflow [PDF]

... and digital signatures. Cryptography questions not directly related to software development are better asked at cryp

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Tagged Questions Cryptography covers, among other things, encryption, hashing and digital signatures. Cryptography questions not directly related to software development are better asked at crypto.stackexchange.com. learn more… top users synonyms (2) cryptography jobs

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1 KEY = AES + PBKDF2 + HMAC My algorithm template this: ... Mkey = '123' // from Master Key KdfKey = SHA512(Mkey) // from PBKDF2 password KdfSalt = SHA256(AesIV + KdfKey) // from PBKDF2 salt Pbkdf2 = PBKDF2(KdfKey, KdfSalt, 64 +... encryption cryptography aes hmac pbkdf2

asked 3 hours ago CorbySoft 1 1

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answers

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Getting wrong result from SHA256 than what is expected I am trying to derive a bitcoin address from a known public key. When hashing the public key with CryptoJS.SHA256 I don't get the expected result CryptoJS.SHA256("... javascript cryptography bitcoin sha256 cryptojs

asked 4 hours ago user1113569 724 2 6 6

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What does it mean to XOR two variables? Reading the Ledger Wallet 1 : Common Technical Specifications, I encounter the statement: S1 and S2 [16 byte components] are XORed to produce a 16 bytes 3DES-2 session key Are they saying "an ... cryptography bitcoin xor ethereum 3des

asked 8 hours ago Internet User 1

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answer

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How to import Java X509 public key into .NET C#? I have a Java PublicKey (on Android), which I call getEncoded() on. I am then able to export this byte array to a .NET environment, but when I try to: new X509Certificate2(bytes) it will throw an ... java c# cryptography x509certificate2

asked 15 hours ago HelloWorld 534 5 18

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Unity Android ProtectedData.Protect doesn't work I have added -r:System.Security.dll, all the references are setup right, so everything works within Windows Editor. However, whenever I try to use ProtectedData.Protect in Android, this exception is ... c#

android unity3d cryptography monodevelop

asked 18 hours ago Wenk Hsueh 28 6

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How to calculator the ROI of Masternode I will show the Roi of each masternodes. I used the API provided from coinmarketcap.com. Many API provides the info such as price and market cap as well. But it seems that it doesn't support the ROI. ... json api security cryptography httpresponse

asked yesterday Eric Lee 30 4

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40 views

AES Encryption interchangeable through PowerShell and Python [on hold] My goal of this script is to be able to AES-CBC encrypt a 240 bit or longer string in PowerShell. My issue is with the TransformBlock() module in Powershell. The Powershell code below lacks the ... powershell encryption cryptography aes

asked yesterday electroman 1 1

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18 views

Encryption protocol for TCP Socket communication [on hold] The title of the question may look like repetitive, but the scenario is different here. I am developing a system where multiple TCP clients will be connected to a TCP server and will exchange data. I ... sockets encryption https tcp cryptography

asked yesterday shubhadeep banerjee 1 1

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answer

35 views

Why the nonce is difficult to find in Bitcoin? I read many articles explain the Bitcoin POW, but every article seems copy form each other. they just indicate find a nonce start from 1, but I still confused why find a nonce number is so difficult? ... encryption cryptography bitcoin blockchain

asked yesterday Martylin 157 1

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Wallet vs public/private keys I am just learning about cryptocurrency. I am just a bit confused why one even needs a wallet if you have both your public and private key. cryptography currency bitcoin

asked yesterday cykopath 250 3 20

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Does javax.crypto.KeyGenerator uses /random or /urandom to generate keys? Consider the following snippet where I use AES-256 to generate keys to encrypt - the thread which runs the following snippet gets blocked. I'm suspecting whether this could be due to the problem that ... java random cryptography virtual-machine entropy

asked yesterday lsof 826

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Create our own CryptoCurrency using Blockchain? [on hold] Is there any GitHub link which we can create our own cryptocurrency using Blockchain technology? Thanks. cryptography blockchain

asked yesterday kiran malvi 53 7

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28 views

Website Cryptoloot bitcoin mining Javascript [on hold] Today we have found this tag into our website: It's kind of new for us. Each one of your advices are welcome. Could you please help us. cryptography website

asked 2 days ago Manuel GONZALEZ 8 3

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22 views

Transaction failed on ether delta while buying KIN Can any one help me what happen to this txhash 0xb79a840dc0cbfc10c1f850ffce05c34d04bd507bc0b0772625e63cd2798d9bd7. Why it got failed on etherdelta cryptography

asked 2 days ago Rakesh sharma 2 3

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answers

21 views

Extract session key from encrypted message (envelope) I have a hard time to extract session key (symmetric key) from encrypted message envelope (Bouncy Castle encrypted). I have read that documentation where states only that with a field of the type ... encryption cryptography bouncycastle session-keys

asked Jan 4 at 16:43 JackTheKnife 809 3 18

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