Cryptography
Profile Activity
Meta user
Network profile
David Schwartz
Summary Answers Questions Tags Badges Bookmarks Bounties Reputation All actions

54 Answers

Votes Activity Newest
58
Is modern encryption needlessly complicated?
Sep 2 '11 at 6:25
40
Is Convergent Encryption really secure?
Sep 20 '11 at 9:01
25
Why programming languages don't provide simple encryption methods?
Jan 3 '12 at 7:46
23
Prevent double-spending with decentralized digital currencies without all transactions being public?
Aug 25 '11 at 17:02
13
Would it be secure to use random numbers from random.org in a cryptographic solution?
Jan 10 '12 at 22:46
13
How to require two keyholders to decrypt a document?
Oct 24 '11 at 18:09
12
Hashing or encrypting twice to increase security?
Sep 25 '11 at 12:15
12
Two mutually untrusted parties want to exchange data: how to ensure each one gets the data it needs?
Jan 12 '12 at 5:29
10
Cryptographic GUID?
Aug 9 '12 at 23:51
10
How can one sign with NTRU?
Apr 18 '12 at 21:34
10
Is there a secret sharing scheme which allows sharing of a secret (one-out-of-n)
Nov 1 '11 at 18:23
9
What does a “cycle” mean in cryptography benchmarks?
Jan 15 '13 at 13:57
8
Encryption scheme for social-network-like data sharing data via untrusted server?
Sep 30 '11 at 14:33
7
Elliptic Curve Cryptography Encryption Results
Sep 1 '13 at 3:39
6
Why does PBKDF2 xor the iterations of the hash function together?
Aug 14 '11 at 18:19
5
Is the One Time Pad (OTP) considered a cryptographic hash function?
Jan 15 '13 at 2:24
5
How can I validate a hashed password if all I have is another hash?
Jun 27 '12 at 20:44
5
How is de-synchronisation of HOTP solved?
Dec 17 '11 at 20:05
5
How does asymmetric encryption work?
Aug 26 '11 at 10:15
5
How secure is the Bitcoin protocol?
Aug 24 '11 at 9:02
5
How can SSL secure a two-way communication with only one key-pair?
Aug 14 '11 at 21:00
4
How can a key pair be derived from an arbitrary hash?
Apr 27 '13 at 8:22
4
Storage of Private Keys
Aug 27 '12 at 5:25
4
What differentiates a password hash from a cryptographic hash besides speed?
Jul 11 '12 at 6:08
4
How can I create a fixed length output in my hash function?
Nov 23 '11 at 18:32
3
Are one-time pads crackable in theory?
Jun 12 '17 at 7:45
3
Why do we assume un-security of communication channel on every cryptography system
Feb 21 '13 at 4:14
3
Is signing a hash instead of the full data considered secure?
Feb 13 '13 at 5:12
3
What is the effect of the different AES key lengths?
Aug 23 '12 at 16:11
3
Approach towards anonymous e-voting
Aug 8 '12 at 3:14
1
2