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30
ElGamal with elliptic curves
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19
How long would it take to brute force an AES-128 key?
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16
If we can find prime numbers larger than 17 milion digits, why can't we find all 1024bit primes?
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14
RSA least significant bit oracle attack
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11
Why don’t all AES encryption tools produce the same key from the same password?
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9
Value of new symmetric key algorithm
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9
How secure is XOR-CBC?
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9
Why are asymmetric cryptography keys more vulnerable to brute force attack than symmetric ones?
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9
Pros and Cons of Block Cipher's Mode of Operations?
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9
What is “witness encryption”?
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9
Why is the discrete logarithm problem assumed to be hard?
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9
What is a Non-Interactive Zero Knowledge Proof?
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8
Paillier encryption: Many private keys for a public key
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8
What is matrix branching program?
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8
Is there a format preserving cryptographically secure hash?
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8
Why does SHA-1 have 80 rounds?
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8
How to encrypt plain message with RSA
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8
Is 128-bit security still considered strong in 2020, within the context of both ECC Asym & Sym ciphers
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7
Is the 1st Encrypted Block Less Secure Than Subsequent Ones?
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7
What are some disadvantages of homomorphic encryption schemes?
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7
Using a SHA512 hash to encrypt data
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7
What's a cryptographic primitive, really?
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7
How is it decided if $G_1$ and $G_2$ are two “additive” or “multiplicative” cyclic groups?
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7
Asymmetry between public key and private key: digital signatures use the private key for “encryption”?
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7
Improving Caesar Cipher security
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6
Does information theoretical security definition imply DDH, RSA, QR does not hold?
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6
Can multiple hashing weaken the password?
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6
What if the p and q used in keys generation of Pailler cryptosystem are composite?
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6
Security of Deterministic Encryption Scheme
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6
Can e = 2 be used in unpadded RSA?
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