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Eddie
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26 votes
1 answer
13k views

How does ECDH arrive on a shared secret?

9 votes
1 answer
6k views

SHA1 no longer considered secure for SSL Certificates -- what about Cipher Suites?

7 votes
2 answers
9k views

TLS/SSL's usage of Non-Ephemeral DH vs DHE

7 votes
1 answer
11k views

HMAC Key Sizes for MD5, SHA1, SHA224|256|384|512

4 votes
1 answer
10k views

TLS Key Block calculation - What is a PRF?

3 votes
1 answer
4k views

What is the difference between a PRF and a PRF+?

3 votes
1 answer
2k views

What is the difference between: ecdsap, ecdsak, and ecdsab in the output of "openssl speed"? What do the letters P/K/B refer to?

3 votes
1 answer
223 views

In TLS 1.3, is the first Derived Secret always a constant value (in non-PSK handshakes)?

2 votes
0 answers
77 views

How are the `binder hash` and `finished` values calculated in the Resumed 0-RTT Handshake example in TLS 1.3?

2 votes
2 answers
2k views

Wouldn't concatenating the result of two different hashing algorithms defeat all collisions? [duplicate]

2 votes
1 answer
244 views

In TLS 1.3, is the Binder Key in a non-PSK derived key schedule always a consistent value?

2 votes
2 answers
6k views

What is the difference between a Stream cipher and a Symmetric Encryption algorithm?

2 votes
2 answers
2k views

What are the practical limitations of Asymmetric encryption vs Symmetric encryption? [duplicate]

2 votes
2 answers
4k views

How does a Hashing algorithm always result in a digest in a fixed size?

1 vote
1 answer
120 views

How do two parties put together the AUTH data in the SKEME protocol?

1 vote
2 answers
947 views

What is the functional role of CKY-I and CKY-R in ISAKMP (IKEv1)?

1 vote
1 answer
298 views

In TLS 1.3, what is the rational for using different handshake transcripts for Resumption Master Secret vs Application Traffic Secrets?

0 votes
1 answer
235 views

What MAC did SSLv3.0 use? How did it compare to HMAC in TLS 1.0 and above?