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Answer score of 10 or more. This badge can be awarded multiple times.

earned this badge 750 times.
Recipient non-repudiation in secure e-mail transport
Awarded Jul 19 at 12:45
Encrypting user data using password and forgot my password
Awarded Jul 12 at 0:50
If the public key can't be used for decrypting something encrypted by the private key, then how do digital signatures work?
Awarded Jul 9 at 13:35
SSL Session resumption and IDs
Awarded May 31 at 16:10
Does truncating the cryptographic hash make it impossible to crack?
Awarded May 27 at 12:25
Apart from the lack of native Oultook support, why should one prefer S/MIME over PGP/MIME for email?
Awarded May 12 at 7:40
How do we determine the SSL/TLS version of an HTTP request?
Awarded May 6 at 16:55
Are there any dangers in exposing git sha1 commit hashes?
Awarded Apr 26 at 21:50
What is the risk of leaking IMEI / IMSI numbers over a network
Awarded Apr 5 at 14:55
OpenSSL TLS 1.1 Cipher Suites
Awarded Apr 4 at 9:25
Does using ssl matter if I am connected using a VPN?
Awarded Apr 3 at 16:10
Are powerline ethernet adapters inherently secure?
Awarded Mar 25 at 15:15
Can a wildcard SSL certificate be issued for a second level domain?
Awarded Feb 25 at 21:30
Understanding SSL certificate signing
Awarded Feb 12 at 20:35
Should I know my users passwords so I can check they can logon?
Awarded Feb 8 at 8:25
OAuth2 with client credentials v/s other auth mechanisms
Awarded Jan 18 at 21:35
Isn't using pbkdf2 + scrypt + bcrypt best?
Awarded Jan 12 at 16:45
What Partial Homomorphic Encryption implementations exist and how do I leverage them?
Awarded Dec 25 '18 at 11:40
help understanding client certificate verification
Awarded Nov 6 '18 at 11:55
How do poor-quality initialization vectors affect the security of CBC mode?
Awarded Oct 31 '18 at 14:20
Is there a maximum allowed key size in the USA?
Awarded Oct 5 '18 at 6:05
Brute forcing ssh keys
Awarded Sep 25 '18 at 15:45
Is there any Linux distro or kernel patch that wipes a process memory space after the process exits?
Awarded Sep 22 '18 at 13:05
Is it more secure to overwrite the value char[] in a String
Awarded Aug 9 '18 at 17:35
How has TLS renegotiation been fixed?
Awarded Jun 21 '18 at 19:13
Is it possible to make one processor look like another?
Awarded Jun 18 '18 at 15:29
256 Bit Key into AES 128 same output as 256 Bit Key into AES 256
Awarded Jun 18 '18 at 1:12
HOTP with as HMAC hashing algoritme a hash from the SHA-2 family
Awarded May 27 '18 at 19:23
what is the difference between a mac and a digital signiture
Awarded May 23 '18 at 5:47
Creating botnet C&C server. What architecture should I use? IRC? HTTP?
Awarded May 22 '18 at 12:16
RSA public key and private key lengths
Awarded May 14 '18 at 19:47
Should SHA-1 be used with RSA-OAEP?
Awarded Apr 20 '18 at 19:05
Do you need more than 128-bit entropy?
Awarded Apr 18 '18 at 20:11
Multiple VPN clients in parallel
Awarded Apr 18 '18 at 16:36
Enhanced Key Usage vs. Extended Key Usage
Awarded Apr 18 '18 at 16:24
Gold Standard for password hashing
Awarded Apr 6 '18 at 14:12
SSL certificates and cipher suites correspondence
Awarded Apr 4 '18 at 20:04
I don't see how “-salt” in the openssl command line tool enhances security at all
Awarded Apr 4 '18 at 15:22
When do I use NIST AES key wrapping?
Awarded Apr 4 '18 at 12:33
Clarification on how rainbow tables work
Awarded Mar 19 '18 at 14:21
Is ccrypt 'AES 256' file encryption fundamentally flawed
Awarded Mar 3 '18 at 19:37
Does reboot clear RAM?
Awarded Mar 1 '18 at 8:59
More secure curve than Curve25519
Awarded Feb 22 '18 at 21:12
What are the differences between ssh generated keys(ssh-keygen) and OpenSSL keys (PEM)and what is more secure for ssh remote login?
Awarded Feb 11 '18 at 18:21
When using symmetric key encryption, do we need to sign?
Awarded Feb 4 '18 at 12:38
Is it possible to “protect” against MITM attacks over HTTP?
Awarded Feb 4 '18 at 1:36
SQL Injection with pass MD5
Awarded Jan 25 '18 at 3:16
Are there any guidelines for passwords that need to be read out loud?
Awarded Jan 17 '18 at 17:37
ECDSA: Why do ssh-keygen and Java generated public keys have different sizes?
Awarded Jan 8 '18 at 21:34
Simple way to encrypt files on Linux and decrypt on Windows?
Awarded Jan 8 '18 at 17:18
Is it okay to sign a PGP key without an IRL meeting?
Awarded Jan 6 '18 at 10:43
What are the implications of adding a self signed certificate to the Windows Trusted Root Certification Authorities store?
Awarded Dec 18 '17 at 10:23
File security when encrypting files directly with the openssl command / and what about SHA1 hashing password first?
Awarded Dec 18 '17 at 7:41
GPG File size with multiple recipients?
Awarded Dec 3 '17 at 4:55
What statistics can be used to identify pseudorandom data?
Awarded Nov 23 '17 at 11:07
Is asymmetric encryption vulnerable to man-in-the-middle attacks?
Awarded Nov 2 '17 at 8:36
Is BSD more secure than GNU/Linux?
Awarded Oct 29 '17 at 7:08
Why is a CA certificate required for EAP-TLS clients?
Awarded Oct 25 '17 at 17:17
Is it possible to force a new SSL session
Awarded Oct 24 '17 at 23:51
Is it possible to increase the cost of BCrypt or PBKDF2 when its already calculated and without the original password?
Awarded Oct 24 '17 at 7:49
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