Cryptography
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knaccc
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105 Answers

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3 votes
Accepted

Split prvate key without Private Key Holder knowing the key shards?

3 votes
Accepted

Verifying a prediction of the future

3 votes

Can a service provide a hash/encryption key to others that it itself cannot use?

2 votes
Accepted

How can I dentify the ECDHE group value used in a TLS session

2 votes

Deterministically produce an array of indexes based on input number

2 votes

Is there a way to calculate the global energy footprint of AES?

2 votes
Accepted

How to do a non-membership proof for a committed value?

2 votes
Accepted

Add a non-signer to an already-signed message

2 votes

ZKP: Prove that >18 while hiding age

2 votes

Can an arbitrary physical image be a key?

2 votes
Accepted

How to Prove Correct Decryption in ElGamal Cryptosystem

2 votes

Do you know protocols, where it is necessary to obtain several "independent" points on the same elliptic curve?

2 votes

Range proof for ElGamal ciphertext

2 votes
Accepted

How to encrypt data which never leave the client but can't be decrypted without the server?

2 votes
Accepted

Where is the definition of one-way trap-door function used in public key cryptography

2 votes
Accepted

Step-by-step conversion of Private Key in Hex to WIF (Wallet Import Format)

2 votes
Accepted

HKDF IKM length requirements?

2 votes
Accepted

The significance of rewinding a simulation in an ZK interactive proof

2 votes

Does an binary elliptic curve like sect571r1 support a bijective asymmetric operation pair on bytes? If so, is there a self-contained example?

2 votes

Where is hash to curve used?

2 votes
Accepted

In Ed25519, why not make both batch & unbatched verification follow the cofactored verification approach rather than unbatched using cofactorless?

2 votes

Can elliptic curve groups be used for commutative encryption?

2 votes

Proving same value in ciphertext and Pedersen commitment Using Sigma Zero Knowledge

2 votes

Is it safe to use ECDH shared secret as a simple authentication cookie?

2 votes

How does taking the difference between commitments verifies that the messages are correct?

2 votes
Accepted

Pedersen commitments equivalence

2 votes
Accepted

Deterministic EC key derivation with anonymity and proofs

1 vote

Choice of nonce for reproducible encryption

1 vote

How to prove that a Pedersen commitment has the same value as at least one of a set of other Pedersen commitments, without revealing which

1 vote
Accepted

Many-out-of-many proofs

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