Information Security

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earned this badge 251 times.
If the public key can't be used for decrypting something encrypted by the private key, then how do digital signatures work?
Awarded Oct 7 at 3:57
With PBKDF2, what is an optimal Hash size in bytes? What about the size of the salt?
Awarded Aug 7 at 3:51
What role does clock synchronization play in SSL communcation
Awarded Jul 13 at 1:09
Password Managers: encrypted database vs hashing strategy
Awarded Jun 18 at 14:21
Authenticating a Proxy server over HTTPS
Awarded Apr 10 at 14:45
Is a VM only as secure as its host?
Awarded Mar 4 at 3:05
How does the digital signature verification process work?
Awarded Feb 5 at 16:05
Advantages and disadvantages of Stream versus Block Ciphers
Awarded Jan 28 at 1:20
Encryption and compression of Data
Awarded Jan 14 at 3:20
Preventing artificial latency or “Lag Hacking” in multiplayer games
Awarded Jan 12 at 5:30
Can I restrict a Certification Authority to signing certain domains only?
Awarded Jan 10 at 7:15
Is Rfc2898DeriveBytes using HMAC SHA1 still considered “secure enough” for hashing passwords?
Awarded Dec 5 '19 at 8:50
ECC in (Open)PGP
Awarded Oct 14 '19 at 11:05
Converting ECC Private key to PKCS#1 format
Awarded Oct 5 '19 at 19:30
Do SSL / X.509 certs cover all ports for a host?
Awarded Sep 29 '19 at 20:50
Is a passphrase-protected SSH private key susceptible to a dictionary attack?
Awarded Jul 30 '19 at 7:20
Is HTTP compression safe?
Awarded Jul 22 '19 at 13:10
What is the difference between SSL and X.509 Certificates?
Awarded Jul 15 '19 at 12:55
Why a symmetric key for HMAC?
Awarded Jul 9 '19 at 11:50
Is sha-1 hash always the same?
Awarded May 27 '19 at 13:25
Why are certificates limited in time?
Awarded May 21 '19 at 11:30
How X509 Certificates are used for Encryption
Awarded May 17 '19 at 11:10
How to apply a pepper correctly to bcrypt?
Awarded Apr 8 '19 at 21:20
https security - should password be hashed server-side or client-side?
Awarded Feb 20 '19 at 0:30
Calculating password entropy?
Awarded Jan 31 '19 at 9:50
What alternatives are there to the existing Certificate Authority system for SSL?
Awarded Jan 23 '19 at 10:35
Why encrypt data in memory?
Awarded Jan 5 '19 at 10:30
Password and Generated number - How does it work?
Awarded Dec 29 '18 at 0:20
Poodle - possible to protocol downgrade if SSLv3 is disabled but still have SSLv3 ciphers enabled?
Awarded Dec 28 '18 at 15:00
Why is GPG file encryption so much slower than other AES implementations?
Awarded Dec 23 '18 at 16:55
Recommended options for LUKS (cryptsetup)
Awarded Dec 5 '18 at 7:15
In SSL server handshake, does server also send CA certificate
Awarded Nov 8 '18 at 16:25
Why doesn't Linux randomize the address of the executable code segment?
Awarded Oct 29 '18 at 2:40
Is it compulsory to have https on e-commerce site?
Awarded Sep 11 '18 at 14:00
Can my company see what HTTPS sites I went to?
Awarded Aug 29 '18 at 6:05
SSL3 error when requesting connection using TLS 1.2
Awarded Jun 14 '18 at 14:25
What is the difference between ATA Secure Erase and Security Erase? How can I ensure they worked?
Awarded May 20 '18 at 11:12
Stack Overflows - Defeating Canaries, ASLR, DEP, NX
Awarded Apr 30 '18 at 16:16
Designing a cryptographic file-sharing protocol
Awarded Apr 24 '18 at 11:21
License key / Serial number generator and checker
Awarded Apr 20 '18 at 15:08
How big should salt be?
Awarded Apr 13 '18 at 12:37
Is it secure to transfer an RSA public key by email?
Awarded Apr 11 '18 at 20:42
When to use HMAC alongside AES?
Awarded Mar 27 '18 at 19:11
How is password stolen over non-SSL connection?
Awarded Mar 20 '18 at 21:46
Which properties of a X.509 certificate should be critical and which not?
Awarded Mar 16 '18 at 21:20
What are the differences between the arcfour, arcfour128 and arcfour256 ciphers in OpenSSH?
Awarded Mar 12 '18 at 11:35
Connect through two VPN clients
Awarded Mar 9 '18 at 15:02
Who is the creator of the CIA triad?
Awarded Feb 25 '18 at 1:57
What are the differences between MD5, SHA and RSA?
Awarded Feb 17 '18 at 20:00
SSL root certificate optional?
Awarded Jan 31 '18 at 2:49
Salted hashes vs HMAC?
Awarded Dec 19 '17 at 0:36
What is the difference between authenticity and non-repudiation?
Awarded Aug 22 '17 at 14:45
Which key usages are required by each key exchange method?
Awarded Aug 8 '17 at 15:10
Choosing a session ID algorithm for a client-server relationship
Awarded Jul 29 '17 at 21:41
Diffie-Hellman and its TLS/SSL usage
Awarded Jul 6 '17 at 23:50
What is the point of hashing passwords?
Awarded Jul 5 '17 at 11:39
Relationship between RSA, Diffie-Hellman Key Exchange, PKI and X.509?
Awarded Jul 1 '17 at 4:39
What specific padding weakness does OAEP address in RSA?
Awarded Jun 26 '17 at 14:03
How can I prove this site has a huge security weakness?
Awarded Jun 4 '17 at 18:28
Encrypting using AES-256, can I use 256 bits IV?
Awarded May 30 '17 at 18:22
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